Como incluir bibliotecas externas no arquivo Ant build.xml?
No meu código-fonte Java, quero usar diferentes classes dos arquivos java (.jar) armazenados no diretório "lib" do meu aplicativo. Mas se eu executar "ant run", sempre recebo a mensagem "java.lang.NoClassDefFoundError". Eu tentei várias coisas para consertar, mas nada funcionou ... Talvez alguém aqui possa me ajudar?
Este é meubuild.properties Arquivo:
app.name=MyApplication
app.version=1.0
main.class=mypackage.MyMain
build.dir=build
classes.dir=${build.dir}/classes
jar.dir=${build.dir}/jar
dist.dir=dist
src.dir=src
test.dir=test
lib.dir=lib
Este é meubuild.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<project name="My Project" default="run" basedir=".">
<description>My description.</description>
<property file="build.properties" />
<path id="classpath">
<fileset dir="${lib.dir}" includes="*.jar"/>
</path>
<!-- Initialization -->
<target name="init" description="Prepare needed directories.">
<mkdir dir="${build.dir}" />
<mkdir dir="${classes.dir}" />
<mkdir dir="${jar.dir}" />
<mkdir dir="${dist.dir}" />
<mkdir dir="${lib.dir}" />
</target>
<!-- Cleanup -->
<target name="clean" description="Remove all files created by the build/test process.">
<delete dir="${classes.dir}" />
<delete dir="${dist.dir}" />
</target>
<!-- Compile application -->
<target name="compile">
<mkdir dir="${classes.dir}"/>
<javac srcdir="${src.dir}"
destdir="${classes.dir}"
debug="yes"
includeantruntime="false">
<!-- <classpath refid="classpath" /> -->
</javac>
</target>
<!-- Java Archive -->
<target name="jar" depends="compile">
<!--<delete file="${jar.dir}/${app.name}-${app.version}.jar"/>-->
<delete dir="${jar.dir}"/>
<mkdir dir="${jar.dir}"/>
<jar destfile="${jar.dir}/${app.name}-${app.version}.jar" basedir="${classes.dir}">
<manifest>
<attribute name="Class-Path" value="${lib.dir}"/>
<attribute name="Main-Class" value="${main.class}"/>
</manifest>
</jar>
</target>
<!-- Run application -->
<target name="run" depends="jar">
<java jar="${jar.dir}/${app.name}-${app.version}.jar"
fork="true">
</java>
<!--
<java fork="true" classname="${main.class}">
<classpath>
<path refid="classpath"/>
<path location="${jar.dir}/${app.name}-${app.version}.jar"/>
</classpath>
</java>
-->
</target>
</project>
Seria bom se alguém pudesse ajudar.
Felicidades!
Benny