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Tech: Building a Jar file with Apache Ant

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Sean Leary edited this page Sep 19, 2016 · 1 revision

If you want to easily create a Jar file after you clone the repository, it can be done with Apache Ant using the following build.xml file:

<?xml version="1.0"?>
<project name="JSON-java" default="dist" basedir=".">
   <property name="jar" value="JSON-java.jar"/>

   <target name="build">
      <javac srcdir="." destdir="." includes="*.java" deprecation="yes" includeantruntime="false">
         <compilerarg value="-Xlint:unchecked"/>
      </javac>
   </target>

   <target name="dist" depends="build">
      <jar destfile="${jar}">
         <fileset dir="." includes="**/*.class"/>
      </jar>
   </target>
</project>

After cloning, save the content above on a file called build.xml and just type:

$ ant

And there you go, you have a new JSON-java.jar file (the name can be changed on the name property) with the correct package directory structure, like this:

$ jar tf JSON-java.jar 
META-INF/
META-INF/MANIFEST.MF
org/
org/json/
org/json/CDL.class
org/json/Cookie.class
org/json/CookieList.class
org/json/HTTP.class
org/json/HTTPTokener.class
org/json/JSONArray.class
org/json/JSONException.class
org/json/JSONML.class
org/json/JSONObject$1.class
org/json/JSONObject$Null.class
org/json/JSONObject.class
org/json/JSONPointer$Builder.class
org/json/JSONPointer.class
org/json/JSONPointerException.class
org/json/JSONString.class
org/json/JSONStringer.class
org/json/JSONTokener.class
org/json/JSONWriter.class
org/json/Property.class
org/json/XML.class
org/json/XMLTokener.class
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