Merge two Java source files using Ant - ant

I want to merge two different files using Ant. How do I do it?
Ex a.java and B.java
<target name="merge">
<property prefix="app.properties" file="input1.txt" />
<property prefix="app.properties" file="input2.txt" />
<echoproperties destfile="output.txt">
<propertyset>
<propertyref prefix="app.properties"/>
<mapper type="glob" from="app.properties.*" to=""/>
</propertyset>
</echoproperties>
</target>
this is not working correctly

Use the concat task
<concat destfile="output.txt">
<fileset file="input1.txt" />
<fileset file="input2.txt" />
</concat>

Related

Find the number of occurrences of a particular character like comma in a string using ant script?

<project>
<target name="test">
<property name="src.dir" value="src" />
<property name="search4" value=","/>
<fileset id="existing" dir="${src.dir}/src">
<patternset id="files">
<include name="*.txt"/>
</patternset>
</fileset>
<resourcecount property="count">
<fileset id="matches" dir="../src">
<patternset refid="files" />
<contains text="${search4}" />
</fileset>
</resourcecount>
<echo message="Found '${search4}' in files : '${count}'"/>
</target>
</project>
I used this, but this only prints the first occurrence. I would like to print the total count.
For eg - abc,xyz,pg--> The number of occurrences of commas(,) is 2.
Here's one way. Copies the file to another file, with a filter to remove all non-commas, then gets the size of the output, which is the number of commas in the input file.
<delete file="out.txt" />
<copy file="in.txt" tofile="out.txt">
<filterchain>
<striplinebreaks />
<replaceregex pattern="[^,]" replace="" flags="gm" />
</filterchain>
</copy>
<length file="out.txt" property="out.size" />
<echo message="Commas found: ${out.size}" />
On your follow up question: how to restrict this to just the first line of the file: add this before the "striplinebreaks" line:
<headfilter lines="1" />
That will count commas in just the first line of the file.

how to use<MacroDef> for recourcecount of all file in folder with different extension

While going through the scenario what i got is that folder collection of different extension file i have use resource count for all extension if i have 3 different extension file than try to get resource count of all file differ with extension
Eg:
<resourcecount property="firstfile">
<fileset dir="${basedir}">
<include name="*.xml" />
</fileset>
</resourcecount>
<echo message="There are ${firstfile} xml in This Folder ${basedir}" />
<resourcecount property="SecondFile">
<fileset dir="${basedir}">
<include name="*.jar" />
</fileset>
</resourcecount>
<echo message="There are ${SecondFile} xml in This Folder ${basedir}" />
How can i use the macrodef for this condition which help in count all file with it
You can do this in many ways, including using plugins, such as ant-contrib, or using ant language extensions. But all of them are overkill compared to this simple build script:
<target name="count">
<countresources type="xml" />
<countresources type="java" />
<countresources type="cpp" />
</target>
<macrodef name="countresources">
<attribute name="type" />
<sequential>
<resourcecount property="#{type}.count">
<fileset dir="${basedir}">
<include name="*.#{type}" />
</fileset>
</resourcecount>
<echo message="There are ${#{type}.count} #{type} files in folder ${basedir}" />
</sequential>
</macrodef>
Hope this helps.

ANT script to compile all (css) LESS files in a dir and subdirs with RHINO

I want do compile all *.less scripts in a specific folder and it subdirs with less-rhino-1.1.3.js.
There is an example on github for doing this for a specific file, which works perfect. But I want to do the same for a complete folder. I tried a lot, here is my last try.
It doesn't work, propertyregex seems not to be standard ANT, I don't want to use such things. I am not even sure if this code would work.
<project name="test" default="main" basedir="../../">
<property name="css.dir" location="public/css"/>
<property name="tool.less" location="bin/less/less-rhino-1.1.3.js"/>
<property name="tool.rhino" location="bin/tools/rhino/js.jar"/>
<macrodef name="lessjs">
<attribute name="input" />
<attribute name="output" />
<sequential>
<java jar="${tool.rhino}" fork="true" output="#{output}">
<arg path="${tool.less}"/>
<arg path="#{input}"/>
</java>
<echo>Lessjs: generated #{output}</echo>
</sequential>
</macrodef>
<target name="main">
<echo>compiling less css</echo>
<fileset dir="${css.dir}" id="myfile">
<filename name="**/*.less" />
</fileset>
<property name="lessfilename" refid="myfile"/>
<propertyregex property="cssfilename"
input="${lessfile}"
regexp="^(.*)\.less$"
replace="^\1\.css$"
casesensitive="true" />
<lessjs input="lessfile" output="cssfilename"/>
</target>
</project>
You could use the <fileset> to include all the less files need to be compiled. Later, you could use<mapper> to mark the corresponding detination css file.
<project name="test" default="main" basedir="../../">
<property name="css.dir" location="public/css"/>
<property name="tool.less" location="bin/less/less-rhino-1.1.3.js"/>
<property name="tool.rhino" location="bin/tools/rhino/js.jar"/>
<target name="less" description="Convert LESS to CSS then concatenate and Minify any stylesheets">
<echo message="Converting LESS to CSS..."/>
<!-- Clear the former compiled css files -->
<delete includeemptydirs="true">
<fileset dir="${css.dir}" includes="*.css, **/*.css" defaultexcludes="false"/>
</delete>
<apply dir="${css.dir}" executable="java" parallel="false" failonerror="true">
<!-- Give the input bundle of less files-->
<fileset dir="${css.dir}">
<include name="*.less"/>
</fileset>
<arg value="-jar" />
<arg path="${tool.rhino}" />
<arg path="${tool.less}" />
<srcfile/>
<!-- Output the compiled css file with corresponding name -->
<mapper type="glob" from="*.less" to="${css.dir}/*.css"/>
<targetfile/>
</apply>
</target>
</project>
I was able to piece together a working solution with the help of a couple of SO answers:
ANT script to compile all (css) LESS files in a dir and subdirs with RHINO
How to correctly execute lessc-rhino-1.6.3.js from command line
I had to download LESS 1.7.5 from GitHub and modify the Ant target to look like this. The -f argument and LESS JavaScript was key:
<property name="css.dir" value="WebContent/css"/>
<property name="less.dir" value="less"/>
<property name="tool.rhino.jar" value="test-lib/rhino-1.7R4.jar"/>
<property name="tool.rhino.lessc" value="test-lib/lessc-rhino-1.7.5.js"/>
<property name="tool.rhino.less" value="test-lib/less-rhino-1.7.5.js"/>
<target name="compile-less" description="compile css using LESS">
<apply dir="${css.dir}" executable="java" parallel="false" failonerror="true">
<fileset dir="${less.dir}">
<include name="styles.less"/>
</fileset>
<arg value="-jar"/>
<arg path="${tool.rhino.jar}"/>
<arg value="-f"/>
<arg path="${tool.rhino.less}"/>
<arg path="${tool.rhino.lessc}"/>
<srcfile/>
<mapper type="glob" from="*.less" to="${css.dir}/*.css"/>
<targetfile/>
</apply>
</target>
If anyone else is coming to this question recently, as I did, they may find that the less-rhino-1.1.3.js file given in the other answers does not work with the latest version of Rhino (which for me, as of now, is 1.7R4 from MDN). But the 1.4.0 version does, which can be obtained from Github here. So the relevant snippet from my build.xml, using these later versions, is shown. Note that I'm only compiling a single .less file to a single .css file, so no iteration or mappers are used (but obviously you can get those from the other answers). Other tweaks I made were to provide the output file as the final arg to less instead of capturing output from the Ant forked process, and to remove the dependency on ant-contrib stuff (not needed for the simple one-file case).
<property name="tool.rhino" value="build/lesscss/rhino1_7R4/js.jar" />
<property name="tool.less" value="build/lesscss/less-rhino-1.4.0.js" />
<property name="single-input-lesscss-file" value="/path/to/my/style.less" />
<property name="single-output-css-file" value="/output/my/style.css" />
<target name="compileLessCss" description="Compile the single less file to css">
<sequential>
<java jar="${tool.rhino}" fork="true">
<arg path="${tool.less}" />
<arg path="${single-input-lesscss-file}" />
<arg path="${single-output-css-file}" />
</java>
</sequential>
</target>
If maven is an option for you, you could try wro4j-maven-plugin or wro4j-runner (which is a command line utility).
Using one of these, all you have do is to create an resource model descriptor (wro.xml):
<groups xmlns="http://www.isdc.ro/wro">
<group name="g1">
<css>/path/to/*.less</css>
</group>
</groups>
The rest will be handled by the wro4j library. No need to carry about how rhino works or other details.
Disclaimer: I'm working on wro4j project
I had the same issue. I developed a solution using ant-contrib. It expects all of your .less files to be in one flat directory and to be moved to another flat directory. It will change the file extension to .css in the process.
<property name="tool.rhino" value="/rhino/js.jar" />
<property name="tool.less" value="src/js/less-rhino-1.1.3.js" />
<property name="tool.ant-contrib" value="/ant-contrib/ant-contrib-1.0b3-1.0b3.jar" />
<property name="less-files-dir" value="src/css/" />
<property name="css-files-dir" value="build/css/" />
<target name="compilecss" depends="setup-ant-contrib-taskdef, get-less-files-in-dir" description="DO THIS THING">
<for list="${less-files-to-convert}" param="file-name" trim="true" delimiter=",">
<sequential>
<propertyregex property="file-name-without-extension"
input="#{file-name}"
regexp="(.*)\..*"
select="\1"
override="yes" />
<java jar="${tool.rhino}" fork="true" output="${css-files-dir}${file-name-without-extension}.css">
<arg path="${tool.less}" />
<arg path="${less-files-dir}#{file-name}" />
</java>
<echo>Lessjs: generated ${css-files-dir}${file-name-without-extension}.css</echo>
</sequential>
</for>
</target>
<target name="check-for-ant-contrib">
<condition property="ant-contrib-available">
<and>
<available file="${tool.ant-contrib}"/>
</and>
</condition>
<fail unless="ant-contrib-available" message="Ant-Contrib is not available."/>
</target>
<target name="setup-ant-contrib-taskdef" depends="check-for-ant-contrib">
<taskdef resource="net/sf/antcontrib/antlib.xml">
<classpath>
<path location="${tool.ant-contrib}" />
</classpath>
</taskdef>
</target>
<target name="get-less-files-in-dir">
<var name="files-list" value="" />
<for param="file">
<path>
<fileset dir="${less-files-dir}" includes="**/*.less" />
</path>
<sequential>
<propertyregex property="file-name-and-relative-path"
input="#{file}"
regexp=".*\\(.*)"
select="\1"
override="yes" />
<echo>file name: ${file-name-and-relative-path}</echo>
<if>
<equals arg1="${files-list}" arg2="" />
<then>
<var name="files-list" value="${file-name-and-relative-path}" />
</then>
<else>
<var name="files-list" value="${files-list},${file-name-and-relative-path}" />
</else>
</if>
</sequential>
</for>
<property name="less-files-to-convert" value="${files-list}" />
<echo>files to convert: ${less-files-to-convert}</echo>
</target>
I was unable to get this to run using a JDK 1.6 since the javascript stuff has been incorporated to the JDK. The JDK does have a jrunscript executable in the distribution but when I try to run the less-rhino.js file it fails to recognize any readFile() function. Has anyone looked into that. Otherwise I may be giving the lesscss-engine a shot and enhancing it to understand filesets.

Combine filesets using Ant

I have 2 different filesets defined in Ant as follows:
<fileset id="fileset1" dir="${classes.dir}">
</fileset>
<zipfileset id="fileset2" src="myArchive.zip" includes="**/*.class">
</zipfileset>
I want to create a third fileset which is the union of both the above filesets
<fileset id="merged">
</fileset>
Can someone tell me how to do this ? Is it even possible to do something like that ?
Thanks in advance!
One way to do this is with Ant resource collections, in particular a union.
<fileset id="fileset1" dir="${classes.dir}" />
<zipfileset id="fileset2" src="myArchive.zip" includes="**/*.class" />
<union id="onion">
<resources refid="fileset1" />
<resources refid="fileset2" />
</union>
Then you can refer to the 'onion' anywhere you might use a fileset, e.g.
<copy todir="dest">
<resources refid="onion" />
</copy>
I recommend using generic resources elements rather than filesets for maximum flexibility.
Try this: I think it should work, since <fileset> is an implicit <patternset>.
<fileset id="fileset1" dir="${classes.dir}">
</fileset>
<zipfileset id="fileset2" src="myArchive.zip" includes="**/*.class">
</zipfileset>
EDIT: odd. This perhaps?
<patternset id="merged">
<patternset refid="fileset1" />
<patternset refid="fileset2" />
</patternset>
problem with fileset is, that it requires a directory as a base upon it applies the patternset. Which means you have to find a common base directory that is shared by all filesets.
A <pathconvert> Task can take filesets via refid. You can put several filesets (e.g. from various build targets to assemble a compound set in a root/main target for a modular build environment):
<project name="root" basedir="." xmlns:if="ant:if" xmlns:unless="ant:unless">
<!--
it's important to take the xmlns:features in your project head
otherwhise this code won't work
-->
<target name="init">
<!-- set some common prerequisites -->
<property name="prerequisite.property.xyz" value="xyz" />
</target>
<target name="targetA" depends="init">
<fileset dir="${common.basedir}${file.separator}${targetA.subdir}" id="targetA.fileset">
<include name="**/*.html" />
</fileset>
<property name="targetA.fileset.exists" value="true" />
</target>
<target name="targetB" depends="init">
<fileset dir="${common.basedir}${file.separator}${targetB.subdir}" id="targetB.fileset">
<include name="**/*.java" />
</fileset>
<property name="targetB.fileset.exists" value="true" />
</target>
<target name="targetC" depends="init">
<fileset dir="${common.basedir}${file.separator}${targetC.subdir}" id="targetC.fileset">
<include name="**/*.class" />
</fileset>
<property name="targetC.fileset.exists" value="true" />
</target>
<target name="root" depends="init">
<pathconvert property="all.files.as.commaseparated.path" pathsep="," dirsep="/">
<fileset refid="targetA.fileset" if:true="${targetA.fileset.exists}" />
<fileset refid="targetB.fileset" if:true="${targetB.fileset.exists}" />
<fileset refid="targetC.fileset" if:true="${targetC.fileset.exists}" />
<map from="${common.basedir}/" to="" />
</pathconvert>
<!-- assemble new fileset from paths as comma separated property string -->
<fileset id="new.refid" dir="${common.basedir}" includes="${all.files.as.commaseparated.path}" />
</target>
</project>
This can be called via command line like:
ant targetA targetB targetC root
or
ant targetA root
Be aware that root is always the last target being called.

Multiple renaming using ant script

Let me explain the scenario:
D:\project\src\one.txt
D:\project\src\two.txt
D:\project\src\three.txt
D:\project\src\four.txt
The above files should be copied as :
D:\project\dst\one.xls
D:\project\dst\two.xls
D:\project\dst\three.xls
D:\project\dst\four.xls
I need to change the extension without using the mapper and move task. I need to rename as above using a for loop with fte:filecopy function inside. Is this possible ???
For anyone arriving here without the negative requirement afflicting the OP, the much simpler answer is to use a mapper.
<project default="move_files">
<target name="move_files">
<copy todir="dst">
<fileset dir="src">
<include name="*.txt"/>
</fileset>
<globmapper from="*.txt" to="*.xls"/>
</copy>
</target>
</project>
This works for me :
<?xml version="1.0"?>
<project name="so-copy-rename" default="build2">
<property name="ant-contrib-jar" value="${user.home}/.ant/lib/ant-contrib-1.0b3.jar"/>
<target name="setup" unless="ant-contrib.present">
<echo>Getting ant-contrib</echo>
<mkdir dir="${user.home}/.ant/lib"/>
<!--
Note: change this to a locally hosted maven repository manager such as nexus http://nexus.sonatype.org/
-->
<get dest="${ant-contrib-jar}"
src="http://repo1.maven.org/maven2/ant-contrib/ant-contrib/1.0b3/ant-contrib-1.0b3.jar"/>
</target>
<target name="taskdefs">
<taskdef resource="net/sf/antcontrib/antlib.xml">
<classpath>
<pathelement location="${ant-contrib-jar}"/>
</classpath>
</taskdef>
</target>
<target name="build" depends="taskdefs">
<property name="srcdir" value="src"/>
<property name="targetdir" value="target"/>
<property name="files" value="file1,file2,file3,file4"/>
<mkdir dir="${targetdir}"/>
<foreach list="${files}" target="copy-rename" param="srcfile" trim="true">
<param name="srcdir" value="${srcdir}" />
<param name="targetdir" value="${targetdir}" />
</foreach>
</target>
<target name="copy-rename">
<var name="src-suffix" value="txt"/>
<var name="tgt-suffix" value="xls"/>
<copy file="${srcdir}/${srcfile}.${src-suffix}" tofile="${targetdir}/${srcfile}.${tgt-suffix}" />
</target>
<target name="build2" depends="taskdefs">
<property name="srcdir" value="src"/>
<property name="targetdir" value="target"/>
<mkdir dir="${targetdir}"/>
<foreach target="copy-rename2" param="srcfile">
<path id="srcfilepath">
<fileset dir="${srcdir}" casesensitive="yes">
<include name="*.txt"/>
</fileset>
</path>
<param name="targetdir" value="${targetdir}" />
</foreach>
</target>
<target name="copy-rename2">
<var name="basefile" value="" unset="true"/>
<basename property="basefile" file="${srcfile}" suffix=".txt"/>
<var name="tgt-suffix" value="xls"/>
<copy file="${srcfile}" tofile="${targetdir}/${basefile}.${tgt-suffix}" />
</target>
</project>
Can you slice it the other way and perform the renaming inside the fte:filecopy command? Looking at the IBM documentation, you can specify tasks to be carried out at the source or destination agents either before or after the copy, using presrc, postdst etc. This task could be an Ant task that does the renaming?

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