I have a problem with properties.
here is content of my build.xml file:
<?xml version="1.0" ?>
<project name="default" default="package">
<target name="init">
<mkdir dir="build/classes" />
<mkdir dir="dist" />
</target>
<property file="${basedir}/localproperties"/>
<property name="javac.debug" value="off"/>
<target name="compile" depends="init" description="Compiles JAVA files">
<echo message="Debug: ${javac.debug}"/>
<javac srcdir="src"
destdir="build/classes"
classpathref="compile.classpath"
debug="${javac.debug}"/>
</target>
<path id="compile.classpath">
<fileset dir="lib" includes="*.jar"/>
</path>
</project>
and here is content of my localproperties file:
javac.debug = on
please note that I have saved localproperties as .xml file and put it into the same directory as build.xml
the problem is that it does not work as the output I get is:
Debug: off
clearly it should be:
Debug: on
please advise.
It should be:
<property file="${basedir}/localproperties.xml"/>
There is no extension assumed by the property task. As long as the content follows the key-value convention, it can be any file extension. But it would be confusing to save as .xml. Just save it as localproperties.properties, or simply local.properties.
Related
I got a requirement to loop through some XML files, replace the environment specific values in it and create new set of XML files. The environment specific values are to be taken from property file. I am able to loop through a directory to read all the files and replace some specific value using xmltask as below.
<target name="updateConfig" description="update the configuration" depends="init">
<xmltask todir="${ConfigDestDirectory}" report="false" failwithoutmatch="true">
<fileset dir="${ConfigSourceDirectory}">
<include name="*.xml"/>
</fileset>
<replace path="/:application/:NVPairs/:NameValuePair[:name='Connections/HTTP/HostName']/:value/text()" withXml="localhost"/>
</xmltask>
<echo>Replaced Successfully</echo>
</target>
But I would like to read through a property file and get the path/value from it.
I tried using property selector,property,var as different options for this case and manage to get the path but not the value. Below are the snippet of property file and the target that I am using.
#DEV.properties
HostName.xpath=/:application/:NVPairs/:NameValuePair[:name='Connections/HTTP/HostName']/:value/text()
HostName.value=localhost
<project name="TestBuild" default="ReadPropertyFile" basedir=".">
<target name="init">
<property file="DEV.properties"/>
<taskdef name="xmltask" classname="com.oopsconsultancy.xmltask.ant.XmlTask" classpath="${xmltaskPath}"/>
<taskdef resource="net/sf/antcontrib/antlib.xml" classpath="${antcontribPath}"/>
<taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
</target>
<target name="ReadPropertyFile" description="update the configuration" depends="init">
<property file="DEV.properties" prefix="x"/>
<propertyselector property="propertyList" delimiter="," select="\0" match="([^\.]*)\.xpath" casesensitive="true" distinct="true"/>
<for list="${propertyList}" param="sequence">
<sequential>
<propertyregex property="destproperty" input="#{sequence}" regexp="([^\.]*)\." select="\1" />
<property name="tempname" value="${destproperty}.value" />
<var name="localprop" value="${tempname}"/>
<echo> #{sequence} </echo>
<echo> ${x.#{sequence}} </echo>
<echo>destproperty --> ${destproperty}</echo>
<echo>tempname --> ${tempname}</echo>
<echo> localprop --> ${localprop}</echo>
<echo>${x.${localprop}} </echo> <!--This is not working -->
</sequential>
</for>
</target>
It would be really helpful if you guys can throw some light.
Thanks,
Venkat
Would this work better ?
I think you got yourself confused with the "x." prefix.
<project name="TestBuild" default="ReadPropertyFile" basedir=".">
<target name="init">
<property file="DEV.properties"/>
<taskdef name="xmltask" classname="com.oopsconsultancy.xmltask.ant.XmlTask" classpath="${xmltaskPath}"/>
<taskdef resource="net/sf/antcontrib/antlib.xml" classpath="${antcontribPath}"/>
<taskdef resource="net/sf/antcontrib/antcontrib.properties"/>
</target>
<target name="ReadPropertyFile" description="update the configuration" depends="init">
<property file="DEV.properties" prefix="x"/>
<local name="propertyList"/>
<propertyselector property="propertyList" delimiter="," select="\1" match="x\.([^\.]*)\.xpath" casesensitive="true" distinct="true"/>
<for list="${propertyList}" param="sequence">
<sequential>
<echo> #{sequence} </echo>
<echo> #{sequence}.xpath = ${x.#{sequence}.xpath} </echo>
<echo> #{sequence}.value = ${x.#{sequence}.value} </echo>
</sequential>
</for>
</target>
</project>
Below is the Ant script i am trying in GAE project but when i look into the war file i see two class for each java file.
Just a fyi, WAR file created i open in winrar but even when i extract it winrar keeps on asking me to either replace existing file message. Not sure how even same file name & extension is present in one folder. Also i checked the "dist" & "classes" folder i does not have duplicate file.
<?xml version="1.0" ?>
<project name="AntExample1" default="war">
<path id="compile.classpath">
<fileset dir="war/WEB-INF/lib">
<include name="*.jar"/>
</fileset>
</path>
<target name="init">
<mkdir dir="build/classes"/>
<mkdir dir="dist" />
</target>
<target name="compile" depends="init" >
<javac destdir="build/classes" debug="true" srcdir="src">
<classpath refid="compile.classpath"/>
</javac>
</target>
<target name="war" depends="compile">
<war destfile="dist/AntExample.war" webxml="war/WEB-INF/web.xml">
<fileset dir="war"/>
<lib dir="war/WEB-INF/lib"/>
<classes dir="build/classes"/>
</war>
</target>
<target name="clean">
<delete dir="dist" />
<delete dir="build" />
</target>
</project>
I have a a jar right now that uses external dependencies. I'm trying to create a jar that packages all the external dependencies inside, and will just give me one jar. I saw this question asked multiple times, but I still can't figure it out. I'm using Ant, and copied some of the examples I saw on here. I'm using zipgroupfileset to reference the external(now internal) jars. As soon as I added the zipgroupfileset I got a runtime error that said my Runner class could not be found.
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- WARNING: Eclipse auto-generated file.
Any modifications will be overwritten.
To include a user specific buildfile here, simply create one in the same
directory with the processing instruction <?eclipse.ant.import?>
as the first entry and export the buildfile again. -->
<project basedir="." default="build" name="ExcelDemo">
<property environment="env"/>
<property name="ECLIPSE_HOME" value="../../../../Program Files (x86)/eclipse"/>
<property name="debuglevel" value="source,lines,vars"/>
<property name="target" value="1.6"/>
<property name="source" value="1.6"/>
<property name="external-lib-dir" value="lib\poi-3.9" />
<property name="external-lib-dir2" value="lib\poi-3.9\lib" />
<property name="external-lib-dir3" value="lib\poi-3.9\ooxml-lib" />
<path id="ExcelDemo.classpath">
<pathelement location="bin"/>
</path>
<target name="init">
<mkdir dir="bin"/>
<copy includeemptydirs="false" todir="bin">
<fileset dir="src" excludes="**/*.launch, **/*.java"/>
</copy>
</target>
<target name="clean">
<delete dir="bin"/>
</target>
<target depends="clean" name="cleanall"/>
<target depends="build-subprojects,build-project" name="build"/>
<target name="build-subprojects"/>
<target depends="init" name="build-project">
<echo message="${ant.project.name}: ${ant.file}"/>
<javac debug="true" debuglevel="${debuglevel}" destdir="bin" source="${source}" target="${target}">
<src path="src"/>
<classpath refid="ExcelDemo.classpath"/>
</javac>
</target>
<target description="Build all projects which reference this project. Useful to propagate changes." name="build-refprojects">
<ant antfile="${ExcelSensitize.location}/build.xml" inheritAll="false" target="clean"/>
<ant antfile="${ExcelSensitize.location}/build.xml" inheritAll="false" target="build">
<propertyset>
<propertyref name="build.compiler"/>
</propertyset>
</ant>
</target>
<target description="copy Eclipse compiler jars to ant lib directory" name="init-eclipse-compiler">
<copy todir="${ant.library.dir}">
<fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
</copy>
<unzip dest="${ant.library.dir}">
<patternset includes="jdtCompilerAdapter.jar"/>
<fileset dir="${ECLIPSE_HOME}/plugins" includes="org.eclipse.jdt.core_*.jar"/>
</unzip>
</target>
<target description="compile project with Eclipse compiler" name="build-eclipse-compiler">
<property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/>
<antcall target="build"/>
</target>
<target name="RunnerClass">
<java classname="runner.RunnerClass" failonerror="true" fork="yes">
<classpath refid="ExcelDemo.classpath"/>
</java>
</target>
<target name="jar" description="Create a jar for this project">
<manifestclasspath property="lib.list" jarfile="Test.jar">
<classpath refid="ExcelDemo.classpath" />
</manifestclasspath>
<jar jarfile="Test.jar" includes="*.class" basedir="bin">
<zipgroupfileset dir="${external-lib-dir}" includes="*.jar"/>
<zipgroupfileset dir="${external-lib-dir2}" includes="*.jar"/>
<zipgroupfileset dir="${external-lib-dir3}" includes="*.jar"/>
<manifest>
<attribute name="Class-Path" value="${lib.list}" />
<attribute name="Main-Class" value="runner.RunnerClass" />
</manifest>
</jar>
</target>
</project>
To make things simpler:
Create a separate sources jar for compilation. Then, have a separate compiled jar without the sources.
Don't include the third party jars. Instead, use Ivy with Ant. Ant will automatically download the required jars. In fact, I've see sources that just include the ivy.jar, so Ivy will automatically be configured when you unjar the sources. You type in ant, and everything just builds.
As an alternative, you can look at Maven which is how many projects are now packaged. In fact, if your jar is an open source project, you can probably host it on the OSS Maven repository. This way, no one even needs to manually download your compiled jar. If they want it, they configure their Maven project to do it for them.
i think the problem is that you use basedir="bin" in the your jar task. then path of your zipgroupfileset convert to bin/${external-lib-dir}
<?xml version="1.0" ?>
<project name="javaGui" default="execute">
<target name="init" depends="clean">
<mkdir dir="build/classes" />
<mkdir dir="dist" />
</target>
<target name="compile" depends="init">
<javac srcdir="src" destdir="build/classes" />
</target>
<target name="execute" depends="compile">
<java classname="Swing" classpath="build/classes" />
<jar destfile="dist/final.jar" basedir="build/classes" />
</target>
<target name="clean">
<delete dir="build" />
<delete dir="dist" />
</target>
This is ant script to generate jar file.problem is those code will generate jar but when i click on that jar it is not opening means it not showing any GUI.
im new to this please let me know what is going wrong.
javaGUI is project and Swing is class name
jar file will not open in GUI. You need to run jar file from console.
Go to dist directory -> run this command:
$ java -jar final.jar [optional parameters]
For more details : see this reference
UPDATE
Instead of giving ant from target execute, try this :
<target name="jar">
<mkdir dir="build/jar"/>
<jar destfile="build/jar/HelloWorld.jar" basedir="build/classes">
<manifest>
<attribute name="Main-Class" value="Swing"/>
</manifest>
</jar>
</target>
<target name="run">
<java jar="build/jar/HelloWorld.jar" fork="true"/>
</target>
I have 2 ant build scripts named "build" and "tarne"
Build:
<?xml version="1.0" ?>
<project name="build" default="zip">
<property name="project.name" value="projectName"/>
<property name="version" value="default_version_value"/>
<taskdef resource="net/sf/antcontrib/antcontrib.properties">
<classpath>
<pathelement location="lib/build/ant-contrib.jar"/>
</classpath>
</taskdef>
<var name="version2" value="default_version_value"/>
<property name="tmp" value="tmp"/>
<property name="build.dir" location="${tmp}/component/${project.name}"/>
<property name="java.classes" location="${tmp}/component/${project.name}/classes"/>
<property name="weblayout.dir" location="${tmp}/weblayout/resources/${project.name}"/>
<path id="compile.classpath">
<fileset dir="lib" includes="**/*.jar" />
<fileset dir="lib/build" includes="*.zip" />
</path>
<target name="clean">
<delete dir="${tmp}" />
</target>
<target name="init" depends="clean">
<mkdir dir="${java.classes}" />
</target>
<target name="compile" depends="init">
<javac srcdir="src" source="1.5" target="1.5" encoding="utf-8" includes="**/*.java" destdir="${java.classes}" classpathref="compile.classpath" />
</target>
<target name="copy-resources" depends="compile">
//Lots of copying here
</target>
<target name="read.version" description="Parses the hda file for your version number">
<property file="${project.name}.hda" prefix="hda"/>
<propertyregex property="version" input="${hda.version}" regexp="\." replace="-" global="true" override="true"/>
<var name="version2" value="${version}"/>
<echo>${version}</echo>
<echo>${version2}</echo>
</target>
<target name="zip" depends="copy-resources, read.version" description="Package component">
<zip destfile="${project.name}-${version}.zip" basedir="${tmp}" />
<delete dir="${tmp}" />
</target>
</project>
Tarne:
<?xml version="1.0" ?>
<project default="tarne">
<include file="build.xml"/>
<property name="project.name" value="build.project.name"/>
<target name="tarne">
<antcall target="build.read.version" inheritRefs="true"></antcall>
<property name="version" value="build.version"/>
<property name="version2" value="build.version2"/>
<echo>${version}</echo>
<echo>${version2}</echo>
</target>
</project>
And the output I get when I run tarne.xml is:
Buildfile: tarne.xml
tarne:
build.read.version:
[echo] v1-0-1
[echo] v1-0-1
[echo] default_version_value
[echo] default_version_value
Where the first 2 lines (v1-0-1) are from inside the read.version target of build.xml and the next 2 lines are from tarne.xml. The general idea is that I should be able to access the version number in my tarne.xml build script.
Any ideas on what's going wrong?
Antcall does not support what you intend to do:
http://ant.apache.org/manual/Tasks/antcall.html :
The called target(s) are run in a new project; be aware that this means properties, references, etc. set by called targets will not persist back to the calling project.
you could try:
<target name="tarne" depends="build.read.version">
</target>
which would keep the new values.
Try
<property name="version" value="${build.version}"/>
<property name="version2" value="${build.version2}"/>