build.xml

<?xml version="1.0" encoding="utf-8"?>

<project name="onTime">


    
    <!-- Setup some basic reusable properties -->
    <target name="-load.properties">
        <property name="build.dir" value="app/build"/>
        <property name="build.htmldir" value="templates/build"/>
        <!--Build version information -->
        <property name="build.major" value="1"/>
        <property name="build.minor" value="0"/>

        <property name="src.css.dir" value="app/css"/>
        <!-- <property name="compilation" value="SIMPLE_OPTIMIZATIONS"/> -->
        <property name="compilation" value="WHITESPACE_ONLY"/>
        <echo>Load Properties Complete</echo>
    </target>




    <!-- Reset Build Directory -->
    <target name="-init" depends="-load.properties"
        description="To record some of the information of the build step">
        
        <tstamp>
            <format property="TODAY" pattern="EEE, d MMM yyyy HH:mm:ss Z"/>
        </tstamp>

        <delete dir="${build.dir}"/>
        <mkdir dir="${build.dir}"/>

        <delete dir="${build.htmldir}"/>
        <mkdir dir="${build.htmldir}"/>

        <echo file="${build.dir}/tstamp.txt">Build Date: ${TODAY}&#xa;Build Version: ${build.major}.${build.minor}</echo>

        <copy file="templates/app.html" todir="${build.htmldir}"/>
        <copy file="compiler.jar" todir="${build.dir}"/>

        <echo>Init Complete</echo>
    </target>



    <!-- Concatenate Javascript files -->
    <target name="-js.concatenate" depends="-init">
        
        <concat destfile="${build.dir}/app.js">
            <filelist dir="app/js" files="app.js" />
            <fileset dir="app/js" includes="*.js" excludes="app.js" />
            <fileset dir="app/js/controllers" includes="*.js" />
            <fileset dir="app/js/directives" includes="*.js" />
            <fileset dir="app/js/services" includes="*.js" />
        </concat>

        <replace file="${build.dir}/app.js" token="'use strict';" value=""/>

        <echo>Javascript Concatenation Complete</echo>
    </target>

    
    <!--Concatenate CSS files-->
    <target name="-css.concatenate" depends="-init" 
        description="Concatenates specified CSS files">
        <concat destfile="${build.dir}/styles.css">
            <filelist dir="${src.css.dir}">
                <file name="cosmostrap.min.css"/>
                <file name="bootstrap-responsive.min.css"/>
                <file name="app.css"/>
                <file name="mobile.css"/>
          </filelist>
        </concat>
        <echo>Finished</echo>
    </target>


    <!-- Minify the Single Javascript File -->
    <target name="-js.minify" depends="-js.concatenate">
        <exec dir="${build.dir}" executable="java">
            <arg line="-jar compiler.jar" />
            <arg line="--compilation_level=${compilation}" />
            <arg line="--js=app.js" />
            <arg line="--js_output_file=app.min.js" />
        </exec>
    </target>

    <!-- Minify the Single CSS File -->
    <target name="-css.minify" depends="-css.concatenate">
        
    </target>


    <!-- Create the build html file -->
    <!-- <target name="-html.replace" depends="-js.concatenate,-css.concatenate"> -->
    <target name="-html.replace" depends="-js.concatenate">
        <!-- Replace Old Script Tags With Single Minified File-->
        <replaceregexp file="${build.htmldir}/app.html" 
                        match="&lt;!-- CONCATENATE AND MINIFY FOR BUILD --&gt;.+&lt;!-- END CONCATENATE --&gt;"
                        replace="&lt;script src='/app/build/app.min.js'&gt;&lt;/script&gt;"
                        flags="s"
                        />

        <!-- Replace Old CSS Tags With Single Minified File -->
        <replaceregexp file="${build.htmldir}/app.html" 
                match="&lt;!-- CONCATENATE AND MINIFY CSS FOR BUILD --&gt;.+&lt;!-- END CONCATENATE --&gt;"
                replace="&lt;link rel='stylesheet' href='/app/build/styles.css' /&gt;"
                flags="s"
                />
    </target>

    <!--Build-->
    <target name="prod" 
        description="Builds project files for production use"
        depends="
            -load.properties, 
            -init,
            -js.concatenate,
            -js.minify,
            -html.replace">
    </target>


</project>