Added extensions directory with the jython extension to start

git-svn-id: http://google-refine.googlecode.com/svn/trunk@958 7d457c2a-affb-35e4-300a-418c747d4874

extensions/jython/.classpath

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
+	<classpathentry kind="lib" path="module/MOD-INF/lib/jython-2.5.1.jar"/>
+	<classpathentry combineaccessrules="false" kind="src" path="/gridworks"/>
+	<classpathentry kind="output" path="module/MOD-INF/classes"/>
+</classpath>

extensions/jython/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>gridworks jython</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

extensions/jython/build.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--+
+    |
+    |  Gridworks Extension Jython Build File    
+    |                
+    +-->
+    
+<project name="gridworks-jython" default="build" basedir=".">
+
+    <property environment="env"/>
+
+    <condition property="version" value="trunk">
+        <not><isset property="version"/></not>
+    </condition>
+
+    <condition property="revision" value="rXXXX">
+        <not><isset property="revision"/></not>
+    </condition>
+
+    <condition property="full_version" value="0.0.0.0">
+        <not><isset property="full_version"/></not>
+    </condition>
+
+    <condition property="dist.dir" value="dist">
+        <not><isset property="dist.dir"/></not>
+    </condition>
+
+    <property name="fullname" value="gridworks-jython-${version}-${revision}" />
+    
+    <property name="gridworks.dir" value="${basedir}/../../main" />
+    <property name="gridworks.modinf.dir" value="${gridworks.dir}/webapp/modules/core/MOD-INF" />
+    <property name="gridworks.classes.dir" value="${gridworks.modinf.dir}/classes" />
+    <property name="gridworks.lib.dir" value="${gridworks.dir}/lib" />
+    
+    <property name="src.dir" value="${basedir}/src" />
+    <property name="module.dir" value="${basedir}/module" />
+    <property name="modinf.dir" value="${module.dir}/MOD-INF" />
+    <property name="lib.dir" value="${modinf.dir}/lib" />
+    <property name="classes.dir" value="${modinf.dir}/classes" />
+
+    <path id="class.path">
+        <fileset dir="${lib.dir}">
+            <include name="**/*.jar" />
+        </fileset>
+        <fileset dir="${gridworks.lib.dir}">
+            <include name="**/*.jar" />
+        </fileset>
+    </path>
+            
+    <target name="build_java">
+        <mkdir dir="${classes.dir}" />
+        <javac destdir="${classes.dir}" debug="true" includeAntRuntime="no">
+            <src path="${src.dir}"/>
+            <classpath refid="class.path" />
+        </javac>
+    </target>
+
+    <target name="build" depends="build_java"/>
+
+    <target name="clean">
+        <delete dir="${classes.dir}" />
+    </target>
+</project>

extensions/jython/module/MOD-INF/controller.js

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+function init() {
+    Packages.java.lang.System.err.println("Initializing jython extension");
+    
+    Packages.com.metaweb.gridworks.expr.MetaParser.registerLanguageParser(
+        "jython",
+        "Jython",
+        Packages.com.metaweb.gridworks.jython.JythonEvaluable.createParser(),
+        "return value"
+    );
+}