Going Merry

a legacy Java system build migration toolbox, support ant to maven, find lost dep in nexus...

Refactor Tool -> Coca

Online Example for Call Analysis: https://modernizing.github.io/merry/demo

Online Screenshots:

Feature lists:

Available Commands:
boom generate pom.xml from build.xml
call show call graph for packages
checksum checksum file md5
dupsearch build maven pom from all jars file
fix fix jar naming issue
help Help about any command
manifest manifest query & map tools
map generate map.csv from jar
pom generate pom file from jar file
version version

Usage

1. install

go get -u github.com/phodal/merry

2. generate pom.xml from build.xml

merry boom

3. search package lost in nexus

merry dupsearch

4. map file example

format: {origin},{GroupId},{ArtifactId},{VersionId}

origin,groupid,artifactId,version
org.springframework.transaction,org.springframework,transaction.org.springframework.transaction,2.5.6.SEC01
javax.servlet,javax.servlet,javax.servlet,2.4.0
edu.emory.mathcs.backport.java.util,edu.emory.mathcs.backport,com.springsource.edu.emory.mathcs.backport,3.1.0
edu.emory.mathcs.backport.java.util.concurrent,edu.emory.mathcs.backport,com.springsource.edu.emory.mathcs.backport,3.1.0
edu.emory.mathcs.backport.java.util.concurrent.atomic,edu.emory.mathcs.backport,com.springsource.edu.emory.mathcs.backport,3.1.0
edu.emory.mathcs.backport.java.util.concurrent.helpers,edu.emory.mathcs.backport,com.springsource.edu.emory.mathcs.backport,3.1.0
edu.emory.mathcs.backport.java.util.concurrent.locks,edu.emory.mathcs.backport,com.springsource.edu.emory.mathcs.backport,3.1.0
org.apache.commons.dbcp,org.apache.commons,com.springsource.org.apache.commons.dbcp,1.2.2.osgi
org.apache.commons.logging,commons-logging,commons-logging,1.1.1
org.slf4j,org.slf4j,org.slf4j,1.5.1

Manifest

Usage:
merry manifest [flags]
Flags:
-e, --excludeSource is with exclude source file
-x, --extract extract manifest file from jar
-f, --filter string filter
-h, --help helpfor manifest
-m, --merge is merge package
-p, --path string path (default ".")
-s, --scan scan manifest file to graphviz
-v, --version show manifest version info of jar

examples:

merry manifest -s -x -f org.eclipse.equinox -p ~/sdk/equinox-SDK-4.15/plugins

Generate Pom from jars

merry pom -p _fixtures/demo -m _fixtures/map/map.csv

Call Graph by Manifest.MF

Flags:
-h, --help helpfor call
-m, --map string map file
-p, --path string path (default ".")
-s, --server with server

full steps:

merry manifest -s -p ~/sdk/apache-karaf-4.2.9/lib/boot -x
merry map -p ~/sdk/apache-karaf-4.2.9/lib/boot
merry call -p ~/sdk/apache-karaf-4.2.9/lib/boot -m map.csv

results:

show only one line with strict

strict digraph G {
a -> b [ label = "foo" ];
a -> b [ label = "bar" ];
}

Call Server

cmd: merry call -s

merry will read manifest-map.json and start to http://localhost:3000:

example: https://phodal.github.io/merry/demo

Todo

Todo:

• Ant to Maven
  • dependencies convert
  • Checksum File
  • Unzip file
  • Parse Manifest
• Dup Search. search all jars and find not in nexus package
• POM generate dep graph
  • basic graph
  • go server
  • visual with circle Hierarchical Edge Bundling
• jar auto rename
  • use POM rename jar
• custom version
  • configurable
  • from jar to map.csv

License

@ 2020 A Phodal Huang's Idea. This code is distributed under the MPL license. See LICENSE in this directory.