Use a Strategy pattern for different types of output#3

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Merged
rickwporter merged 1 commit into from
Mar 27, 2026
Merged

Use a Strategy pattern for different types of output #3

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32 changes: 32 additions & 0 deletions src/main/java/rickwporter/prettytable/CsvTableRender.java
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

@Override
public String render(PrettyTable table, boolean removedRedundant) {
try {
StringBuilder result = new StringBuilder();
CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
CSVPrinter printer = new CSVPrinter(result, format);
if (!table.getHeaders().isEmpty()) {
printer.printRecord(table.getHeaders());
}
for (List<? extends Object> row : table.getRows()) {
List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
printer.printRecord(current);
}
printer.close();
return result.toString();
} catch (IOException ex) {
// nothing to do here
}
return null;
}
}
90 changes: 90 additions & 0 deletions src/main/java/rickwporter/prettytable/HtmlTableRender.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
private static final String HTML_TABLE_TAG = "table";
private static final String HTML_HEADER_TAG = "thead";
private static final String HTML_BODY_TAG = "tbody";
private static final String HTML_ROW_TAG = "tr";
private static final String HTML_CELL_BODY_TAG = "td";
private static final String HTML_CELL_HEADER_TAG = "th";

String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
if (hAligns.isEmpty()) {
return "";
}
return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
}

String htmlRow(
List<? extends Object> row,
String initIndent,
String indent,
String cellTag,
List<HorizontalAlign> hAligns
) {
String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
for (int column = 0; column < row.size(); column++) {
Object obj = row.get(column);
String cellFormat = htmlColumnFormat(column, hAligns);
result += String.format(
"%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
);
}
result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
return result;
}

@Override
public String render(PrettyTable table, boolean removeRedundant) {
StringBuilder result = new StringBuilder();
String indent = " ";
List<HorizontalAlign> hAligns = table.getHorizAligns();

result.append(String.format("<%s>\n", HTML_TABLE_TAG));
if (!table.getHeaders().isEmpty()) {
result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
}

result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
List<String> lastRow = new ArrayList<>();
for (List<Object> row : table.getRows()) {
List<String> currentRow = row.stream()
.map(c -> {
if (c instanceof PrettyTable) {
PrettyTable t = (PrettyTable) c;
if (t.getDefaultOutput() == OutputFormat.HTML) {
String out = "\n" + t.toHtml(true);
out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
return out.substring(0, out.lastIndexOf(indent));
}
return t.toString().replace("\n", "<br/>");
}
return c.toString();
})
.collect(Collectors.toList());
List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
if (removeRedundant) {
for (int i = 0; i < lastRow.size(); i++) {
if (!lastRow.get(i).equals(currentRow.get(i))) {
break;
}
currentRow.set(i, "");
}
lastRow = fullRow;
}
result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
}
result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
result.append(String.format("</%s>\n", HTML_TABLE_TAG));
return result.toString();
}
}
89 changes: 89 additions & 0 deletions src/main/java/rickwporter/prettytable/JsonTableRender.java
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
String jsonEncode(Object object) {
if (object instanceof Integer) {
return object.toString();
}
try {
Integer value = Integer.parseInt(object.toString());
return value.toString();
} catch (NumberFormatException ex) {
// nothing to do here, just double-quote as below
}
return String.format(
"\"%s\"",
object.toString()
.replace("\r", "\\r")
.replace("\n", "\\n")
.replace("\"", "\\\"")
);
}

String jsonValue(Object cellObj, String initIndent, String indent) {
if (cellObj instanceof PrettyTable) {
PrettyTable t = (PrettyTable) cellObj;
if (t.getDefaultOutput() == OutputFormat.JSON) {
String out = t.toJson().replace("\n", "\n" + initIndent);
return out.substring(0, out.lastIndexOf("\n" + initIndent));
}
}
return jsonEncode(cellObj);
}

String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
List<String> rowValues = new ArrayList<>();
for (int cIdx = 0; cIdx < row.size(); cIdx++) {
String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
if (!headers.isEmpty()) {
rowValues.add(
String.format("%s%s\"%s\": %s",
initIndent,
indent,
headers.get(cIdx),
value)
);
} else {
rowValues.add(
String.format("%s%s%s", initIndent, indent, value)
);
}
}
return StringUtils.join(rowValues, ",\n");
}

@Override
public String render(PrettyTable table, boolean removeRedundant) {
StringBuilder result = new StringBuilder();
String indent = " ";
result.append("[\n");
String entryPrefix = "";
List<String> headers = table.getHeaders();
if (!headers.isEmpty()) {
result.append(String.format("%s[\n", indent));
List<String> headerValues = headers.stream()
.map(h -> String.format("%s%s\"%s\"", indent, indent, h))
.collect(Collectors.toList());
result.append(StringUtils.join(headerValues, ",\n") + "\n");
result.append(String.format("%s]", indent));
entryPrefix = ",\n";
}
String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
for (List<Object> row : table.getRows()) {
result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
result.append(jsonRow(row, indent, indent, headers) + "\n");
result.append(String.format("%s%s", indent, entryEnd));
entryPrefix = ",\n";
}
result.append("\n]\n");
return result.toString();
}
}
Loading
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Use a Strategy pattern for different types of output#3

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to your account

 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use a Strategy pattern for different types of output#3

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
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to your account

 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Use a Strategy pattern for different types of output#3

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 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

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Original file line numberDiff line numberDiff line change
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package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Use a Strategy pattern for different types of output#3

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privacy statement. We’ll occasionally send you account related emails.

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to your account

 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Use a Strategy pattern for different types of output#3

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
Show file tree
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Use a Strategy pattern for different types of output#3

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 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
Use a Strategy pattern for different types of output#3

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rickwporter
merged 1 commit into

from

Mar 27, 2026
 Merged


Use a Strategy pattern for different types of output
#3
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32 changes: 32 additions & 0 deletions
src/main/java/rickwporter/prettytable/CsvTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
package rickwporter.prettytable;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;

class CsvTableRender implements TableRenderInterface {

 @Override
 public String render(PrettyTable table, boolean removedRedundant) {
 try {
 StringBuilder result = new StringBuilder();
 CSVFormat format = CSVFormat.DEFAULT.builder().setRecordSeparator("\n").build();
 CSVPrinter printer = new CSVPrinter(result, format);
 if (!table.getHeaders().isEmpty()) {
 printer.printRecord(table.getHeaders());
 }
 for (List<? extends Object> row : table.getRows()) {
 List<String> current = row.stream().map(c -> c.toString()).collect(Collectors.toList());
 printer.printRecord(current);
 }
 printer.close();
 return result.toString();
 } catch (IOException ex) {
 // nothing to do here
 }
 return null;
 }
}

90 changes: 90 additions & 0 deletions
src/main/java/rickwporter/prettytable/HtmlTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,90 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import rickwporter.prettytable.PrettyTable.HorizontalAlign;
import rickwporter.prettytable.PrettyTable.OutputFormat;

class HtmlTableRender implements TableRenderInterface {
 private static final String HTML_TABLE_TAG = "table";
 private static final String HTML_HEADER_TAG = "thead";
 private static final String HTML_BODY_TAG = "tbody";
 private static final String HTML_ROW_TAG = "tr";
 private static final String HTML_CELL_BODY_TAG = "td";
 private static final String HTML_CELL_HEADER_TAG = "th";

 String htmlColumnFormat(Integer column, List<HorizontalAlign> hAligns) {
 if (hAligns.isEmpty()) {
 return "";
 }
 return " style=\"" + hAligns.get(column).getHtmlStyle() + "\"";
 }

 String htmlRow(
 List<? extends Object> row,
 String initIndent,
 String indent,
 String cellTag,
 List<HorizontalAlign> hAligns
 ) {
 String result = String.format("%s<%s>\n", initIndent, HTML_ROW_TAG);
 for (int column = 0; column < row.size(); column++) {
 Object obj = row.get(column);
 String cellFormat = htmlColumnFormat(column, hAligns);
 result += String.format(
 "%s%s<%s%s>%s</%s>\n", initIndent, indent, cellTag, cellFormat, obj.toString(), cellTag
 );
 }
 result += String.format("%s</%s>\n", initIndent, HTML_ROW_TAG);
 return result;
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 List<HorizontalAlign> hAligns = table.getHorizAligns();

 result.append(String.format("<%s>\n", HTML_TABLE_TAG));
 if (!table.getHeaders().isEmpty()) {
 result.append(String.format("%s<%s>\n", indent, HTML_HEADER_TAG));
 result.append(htmlRow(table.getHeaders(), indent + indent, indent, HTML_CELL_HEADER_TAG, hAligns));
 result.append(String.format("%s</%s>\n", indent, HTML_HEADER_TAG));
 }

 result.append(String.format("%s<%s>\n", indent, HTML_BODY_TAG));
 List<String> lastRow = new ArrayList<>();
 for (List<Object> row : table.getRows()) {
 List<String> currentRow = row.stream()
 .map(c -> {
 if (c instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) c;
 if (t.getDefaultOutput() == OutputFormat.HTML) {
 String out = "\n" + t.toHtml(true);
 out = out.replaceAll("\n", "\n" + indent + indent + indent + indent);
 return out.substring(0, out.lastIndexOf(indent));
 }
 return t.toString().replace("\n", "<br/>");
 }
 return c.toString();
 })
 .collect(Collectors.toList());
 List<String> fullRow = new ArrayList<String>(currentRow); // make a copy before manipulating
 if (removeRedundant) {
 for (int i = 0; i < lastRow.size(); i++) {
 if (!lastRow.get(i).equals(currentRow.get(i))) {
 break;
 }
 currentRow.set(i, "");
 }
 lastRow = fullRow;
 }
 result.append(htmlRow(currentRow, indent + indent, indent, HTML_CELL_BODY_TAG, hAligns));
 }
 result.append(String.format("%s</%s>\n", indent, HTML_BODY_TAG));
 result.append(String.format("</%s>\n", HTML_TABLE_TAG));
 return result.toString();
 }
}

89 changes: 89 additions & 0 deletions
src/main/java/rickwporter/prettytable/JsonTableRender.java

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,89 @@
package rickwporter.prettytable;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;

import rickwporter.prettytable.PrettyTable.OutputFormat;

class JsonTableRender implements TableRenderInterface {
 String jsonEncode(Object object) {
 if (object instanceof Integer) {
 return object.toString();
 }
 try {
 Integer value = Integer.parseInt(object.toString());
 return value.toString();
 } catch (NumberFormatException ex) {
 // nothing to do here, just double-quote as below
 }
 return String.format(
 "\"%s\"",
 object.toString()
 .replace("\r", "\\r")
 .replace("\n", "\\n")
 .replace("\"", "\\\"")
 );
 }

 String jsonValue(Object cellObj, String initIndent, String indent) {
 if (cellObj instanceof PrettyTable) {
 PrettyTable t = (PrettyTable) cellObj;
 if (t.getDefaultOutput() == OutputFormat.JSON) {
 String out = t.toJson().replace("\n", "\n" + initIndent);
 return out.substring(0, out.lastIndexOf("\n" + initIndent));
 }
 }
 return jsonEncode(cellObj);
 }

 String jsonRow(List<Object> row, String initIndent, String indent, List<String> headers) {
 List<String> rowValues = new ArrayList<>();
 for (int cIdx = 0; cIdx < row.size(); cIdx++) {
 String value = this.jsonValue(row.get(cIdx), initIndent + indent, indent);
 if (!headers.isEmpty()) {
 rowValues.add(
 String.format("%s%s\"%s\": %s",
 initIndent,
 indent,
 headers.get(cIdx),
 value)
 );
 } else {
 rowValues.add(
 String.format("%s%s%s", initIndent, indent, value)
 );
 }
 }
 return StringUtils.join(rowValues, ",\n");
 }

 @Override
 public String render(PrettyTable table, boolean removeRedundant) {
 StringBuilder result = new StringBuilder();
 String indent = " ";
 result.append("[\n");
 String entryPrefix = "";
 List<String> headers = table.getHeaders();
 if (!headers.isEmpty()) {
 result.append(String.format("%s[\n", indent));
 List<String> headerValues = headers.stream()
 .map(h -> String.format("%s%s\"%s\"", indent, indent, h))
 .collect(Collectors.toList());
 result.append(StringUtils.join(headerValues, ",\n") + "\n");
 result.append(String.format("%s]", indent));
 entryPrefix = ",\n";
 }
 String entryStart = table.getHeaders().isEmpty() ? "[" : "{";
 String entryEnd = table.getHeaders().isEmpty() ? "]" : "}";
 for (List<Object> row : table.getRows()) {
 result.append(String.format("%s%s%s\n", entryPrefix, indent, entryStart));
 result.append(jsonRow(row, indent, indent, headers) + "\n");
 result.append(String.format("%s%s", indent, entryEnd));
 entryPrefix = ",\n";
 }
 result.append("\n]\n");
 return result.toString();
 }
}
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