Add sample applet build file.
This commit is contained in:
James Roseborough
116
build-applet.xml
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116
build-applet.xml
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<?xml version="1.0"?>
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<project name="sample" default="main" basedir=".">
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<property file="version.properties"/>
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<!-- find libs -->
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<import file="build-libs.xml"/>
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<!-- main java class -->
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<property name="java.dir" value="examples/jse"/>
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<property name="java.name" value="SampleApplet"/>
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<!-- main script -->
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<property name="script.dir" value="examples/lua"/>
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<property name="script.name" value="swingapplet"/>
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<property name="image.name" value="logo.gif"/>
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<!-- location of luaj jar -->
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<property name="libs.dir" value="lib"/>
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<property name="luaj.jar" value="${libs.dir}/luaj-jse-${version}.jar"/>
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<!-- location of build results -->
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<property name="build.dir" value="build/applet"/>
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<target name="clean">
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<delete failonerror="false" dir="${build.dir}"/>
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</target>
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<target name="dirs">
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<mkdir dir="build/applet/classes"/>
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</target>
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<target name="classes" depends="dirs">
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<copy todir="${build.dir}">
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<fileset dir="${script.dir}" includes="${script.name}.lua,${image.name}"/>
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</copy>
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<javac destdir="${build.dir}/classes" source="1.4" target="1.4"
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classpath="${luaj.jar}" srcdir="${java.dir}" includes="${java.name}.java"/>
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</target>
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<target name="manifest" depends="dirs">
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<manifest file="${build.dir}/MANIFEST.MF">
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<attribute name="Permissions" value="sandbox"/>
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<attribute name="Main-class" value="${java.name}"/>
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</manifest>
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</target>
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<target name="jar" depends="classes,manifest">
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<jar destfile="${build.dir}/${script.name}.jar"
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manifest="${build.dir}/MANIFEST.MF">
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<fileset dir="${build.dir}" includes="*.lua"/>
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<fileset dir="${build.dir}/classes"/>
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<zipfileset
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src="${luaj.jar}"
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excludes="**/script/*,**/luajc/**,**/parser/**,**/ast/**,lua*"/>
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</jar>
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</target>
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<target name="obf" depends="jar,proguard-lib">
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<taskdef resource="proguard/ant/task.properties" classpath="lib/proguard.jar" />
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<copy file="${build.dir}/${script.name}.jar"
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tofile="${build.dir}/${script.name}-unobfuscated.jar"/>
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<proguard>
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-injars ${build.dir}/${script.name}-unobfuscated.jar
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-outjars ${build.dir}/${script.name}.jar
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-libraryjars ${java.home}/lib/rt.jar
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-overloadaggressively
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-repackageclasses ''
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-allowaccessmodification
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-printmapping ${build.dir}/mapping.txt
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-keep public class * extends java.applet.Applet
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-target 1.4
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</proguard>
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</target>
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<target name="sign" depends="jar">
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<signjar jar="${build.dir}/${script.name}.jar"
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alias="${sign.alias}"
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storepass="${sign.storepass}"
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keypass="${sign.keypass}"
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keystore="${sign.keystore}" />
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</target>
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<target name="html" depends="dirs">
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<echoxml file="build/applet/LuajSampleApplet.html">
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<html>
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<head><title>Luaj Sample Applet</title></head>
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<body>
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<h1>Luaj Sample Applet</h1>
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Requires browser that supports applets.
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${script.name}
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<applet archive='${script.name}.jar'
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code='${java.name}.class'
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width='640'
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height='480' >
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<param name='luaj.script' value='${script.name}.lua'/>
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<param name="java_version" value="1.4+"/>
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</applet>
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</body>
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</html>
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</echoxml>
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</target>
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<target name="run" depends="jar,html">
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<exec executable="open" spawn="true">
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<arg value="-a Firefox"/>
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<arg path="build/applet/LuajSampleApplet.html"/>
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</exec>
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</target>
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<target name="all" depends="clean,sign,html,run"/>
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<target name="main" depends="sign,html"/>
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</project>
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@@ -1,8 +1,11 @@
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import java.applet.Applet;
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import java.awt.Graphics;
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import java.io.InputStream;
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import java.net.URL;
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import org.luaj.vm2.Globals;
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import org.luaj.vm2.LuaValue;
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import org.luaj.vm2.lib.ResourceFinder;
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import org.luaj.vm2.lib.jse.CoerceJavaToLua;
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import org.luaj.vm2.lib.jse.JsePlatform;
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@@ -35,7 +38,7 @@ import org.luaj.vm2.lib.jse.JsePlatform;
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* @see LuaValue
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* @see Applet
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*/
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public class SampleApplet extends Applet {
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public class SampleApplet extends Applet implements ResourceFinder {
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private static final long serialVersionUID = 1L;
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Globals globals;
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@@ -57,7 +60,12 @@ public class SampleApplet extends Applet {
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System.out.println("Loading " + script);
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// Construct globals to use.
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globals = JsePlatform.debugGlobals();
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globals = JsePlatform.standardGlobals();
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// Use custom resource finder.
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globals.FINDER = this;
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// Look up and save the handy pcall method.
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pcall = globals.get("pcall");
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// Load and execute the script, supplying this Applet as the only
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@@ -94,4 +102,29 @@ public class SampleApplet extends Applet {
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coerced == g ? graphics : (graphics = CoerceJavaToLua
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.coerce(coerced = g)));
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}
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// ResourceFinder implementation.
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public InputStream findResource(String filename) {
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InputStream stream = findAsResource(filename);
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if (stream != null) return stream;
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stream = findAsDocument(filename);
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if (stream != null) return stream;
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System.err.println("Failed to find resource " + filename);
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return null;
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}
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private InputStream findAsResource(String filename) {
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System.out.println("Looking for jar resource /"+filename);
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return getClass().getResourceAsStream("/"+filename);
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}
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private InputStream findAsDocument(String filename) {
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try {
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final URL base = getDocumentBase();
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System.out.println("Looking in document base "+base);
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return new URL(base, filename).openStream();
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} catch (Exception e) {
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return null;
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}
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}
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}
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@@ -81,8 +81,13 @@ public class PackageLib extends TwoArgFunction {
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/** The default value to use for package.path. This can be set with the system property
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* <code>"luaj.package.path"</code>, and is <code>"?.lua"</code> by default. */
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public static String DEFAULT_LUA_PATH = System.getProperty("luaj.package.path");
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public static String DEFAULT_LUA_PATH;
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static {
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try {
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DEFAULT_LUA_PATH = System.getProperty("luaj.package.path");
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} catch (Exception e) {
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System.out.println(e.toString());
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}
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if (DEFAULT_LUA_PATH == null)
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DEFAULT_LUA_PATH = "?.lua";
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}
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