build.xml

<project name="BitCoin-Arbitrage" default="" basedir=".">
    <property name="bca.src" value="src" />
    <property name="bca.dist" value="dist" />
    <property name="bca.lib" value="lib" />
    <property name="bca.config" value="config" />
    <property name="bca.logProps" value="${bca.config}/log.properties" />
    <property name="bca.mainClass" value="org.bca.Main" />
    
    <path id="bca.classpath">
        <pathelement location="${bca.dist}" />
        <fileset dir="${bca.lib}">
            <include name="*.jar" />
        </fileset>
    </path>

    <target name="clean" depends="">
        <delete dir="${bca.dist}" />
    </target>

    <target name="prepare" depends="clean">
        <mkdir dir="${bca.dist}" />
    </target>

    <target name="build" depends="prepare">
        <javac
            srcdir="${bca.src}"
            destdir="${bca.dist}"
            classpathref="bca.classpath"
            debug="on"
            includeantruntime="false" 
         />
    </target>

    <macrodef name="runjava">
        <attribute name="classname" description="classname of the build to run" />
        <attribute name="classpath" description="classpath of the build to run" />
        <attribute name="run-arg1" default="" description="java run args" />
        <attribute name="log-props" default="" description="path to the logging.properties file" />
        
        <sequential>
            <java classname="@{classname}" classpathref="@{classpath}">
                <sysproperty key="java.util.logging.config.file" value="@{log-props}" />
                <arg value="@{run-arg1}" />
            </java>
        </sequential>
    </macrodef> 

    <target name="build-run" depends="build">
        <antcall target="run" />
    </target>

    <target name="run">
        <runjava 
            classname="${bca.mainClass}"
            classpath="bca.classpath"
            log-props="${bca.logProps}"
        /> 
    </target>
</project>