| Ant paths | Ant paths 2005-05-03 - By Ben Gill
Hi,
The only reason I am even including Spring.jar - is because Spring API
supports loading of files using the ant style **/*.xml paths... (which is
really useful especially for my custom task..)
But in theory, I should not need to include spring.jar for this support - as
the logic to map these paths to File resoures must be in the ant core API
somewhere...
The question is, where are the classes that do this mapping (between path +
file(s)), are they public, and do they have the interfaces I need?
I currently call:
org.springframework.core.io.support.PathMatchingResourcePatternResolver p =
new
org.springframework.core.io.support.PathMatchingResourcePatternResolver();
org.springframework.core.io.Resource[] resources =
p.getResources(antStylePath);
if (resources != null) {
info("Loaded [" + resources.length + "] resources from
file");
for (int resourceNum=0; resourceNum < resources.length;
resourceNum++) {
org.springframework.core.io.Resource resource =
resources[resourceNum];
String fileName =
resource.getFile().getAbsolutePath();
debug("Processing file [" + fileName + "]");
Any help on this would be appreciated - it may save me having to include the
1.2MB spring.jar file with the distribution..
Ben
I am sure there is probably a core Ant class I could use for this support -
the code must be in there somewhere!
But including spring works anyhow..
>From: Peter Reilly <peterreilly@(protected)>
>Reply-To: "Ant Users List" <user@(protected)>
>To: Ant Users List <user@(protected)>
>Subject: Re: Custom Ant Task with 3rd party library dependency
>Date: Tue, 03 May 2005 17:03:31 +0100
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>
>In your resource you should not set the classpath. Doing so will
>override the classpath given in the build file and cause ant to be
>confused.
>So just use:
> <antlib>
> <taskdef name="renamepackages"
>classname="org.appfuse.ant.RenamePackages"/>
></antlib>
>
>
>For example:
>src/testing/UseSpring.java:
>package testing;
>import org.springframework.beans.PropertyValue;
>import org.apache.tools.ant.Task;
>
>public class UseSpring extends Task {
> private PropertyValue pv = new PropertyValue("hello",
"world");
> public void execute() {
> log("pv is " + pv);
> }
>}
>src/testing/antlib.xml:
><antlib>
> <taskdef name="usespring"
classname="testing.UseSpring"/>
></antlib>
>
>build.xml:
><project name="testspring" default="use">
> <target name="jar">
> <mkdir dir="classes"/>
> <javac srcdir="src" destdir="classes"
>classpath="lib/spring.jar"/>
> <copy todir="classes">
> <fileset dir="src" includes="**/*.xml"/>
> </copy>
> <jar destfile="usespring.jar">
> <fileset dir="classes"/>
> </jar>
> </target>
>
> <target name="use" depends="jar">
> <typedef resource="testing/antlib.xml"
>classpath="usespring.jar:lib/spring.jar"/>
> <usespring/>
> </target>
></project>
>
>
>Outputs:
>Searching for build.xml ...
>Buildfile: /home/preilly/learning/a/spring/build.xml
>
>jar:
> [mkdir] Created dir: /home/preilly/learning/a/spring/classes
> [javac] Compiling 1 source file to
>/home/preilly/learning/a/spring/classes
> [copy] Copying 1 file to
>/home/preilly/learning/a/spring/classes
> [jar] Building jar:
>/home/preilly/learning/a/spring/usespring.jar
>
>use:
>[usespring] pv is PropertyValue: name='hello'; value=[world]
>
>Peter
>
>Ben Gill wrote:
>
>>Hi ,
>>
>>Yes I have tried that (well a variety of this type of thing) and it
>>is not working for me...
>>
>>In my 'main' build.xml file I do this:
>>
>><typedef resource="org/appfuse/ant/appfuse-contrib.xml"
>> classpath="spring.jar;rename-packages-1.0.jar"
>> uri="appfuse:/org.appfuse.ant"/>
>>
>>Then, in my appfuse-contrib.xml file I do:
>>
>><?xml version="1.0"?>
>><antlib>
>>
>> <taskdef name="renamepackages"
>> classname="org.appfuse.ant.RenamePackages"
>> classpath="spring.jar"
>> onerror="fail"/>
>>
>></antlib>
>>
>>But whatever I try setting either classpath to (or even if I use
>>inline classpath, or classpathref), my custom ant task cannot find
>>the spring classes..
>>
>>Is it possible what I am trying to do? Eric's article + other
>>postings I have read seem to suggest, the only two ways of using
>>3rd party classes from wthin a custom task is to ether a) kick off
>>a new JVM task or b) put the jars in the System classpath (ie.
>>ANT_HOME/lib)..
>>
>>Can anyone confirm either way??
>>
>>
>>
>>
>>
>>&gt;From: Ivan Ivanov
&lt;rambiusparkisanius@(protected)&gt;
>>&gt;Reply-To: &quot;Ant Users List&quot;
>>&lt;user@(protected)&gt;
>>&gt;To: Ant Users List &lt;user@(protected)&gt;
>>&gt;Subject: Re: Custom Ant Task with 3rd party library
dependency
>>&gt;Date: Tue, 3 May 2005 07:01:41 -0700 (PDT)
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>>&gt;
>>&gt;Hello Ben,
>>&gt;
>>&gt;Have you tried with to &lt;taskdef&gt; your custom
task with
>>&gt;classpath nested tag:
>>&gt;&lt;taskdef
classname=&quot;org.myorg.MyTask&quot;&gt;
>>&gt; &lt;classpath&gt;
>>&gt; &lt;!-- location to your jars here --&gt;
>>&gt; &lt;/classpath&gt;
>>&gt;&lt;/taskdef&gt;
>>&gt;
>>&gt;HTH Ivan
>>&gt;--- Ben Gill &lt;ben_d_gill@(protected)&gt; wrote:
>>&gt; &gt; Hi,
>>&gt; &gt;
>>&gt; &gt; My custom Ant task relies on the Spring jar files,
>>&gt; &gt; but whatever I try, I get
>>&gt; &gt; a class not found exception..
>>&gt; &gt;
>>&gt; &gt; I read a lot of posts on this and saw Eric's
article
>>&gt; &gt; here:
>>&gt; &gt;
>>&gt; &gt;
>>&gt;http://www.fawcette.com/javapro/2003_02/magazine/features
/ehatcher/
>>&gt; &gt;
>>&gt; &gt; But I cannot believe I have to spawn off a JVM to
>>&gt; &gt; pick up the spring jar's
>>&gt; &gt; do I?
>>&gt; &gt;
>>&gt; &gt; and I really dont want to force any user that uses
>>&gt; &gt; my task to copy the jar's
>>&gt; &gt; into their $ANT_HOME/lib...
>>&gt; &gt;
>>&gt; &gt; Has anyone got a nice, tidy way of making 3rd
party
>>&gt; &gt; jar files available to a
>>&gt; &gt; custom task?
>>&gt; &gt;
>>&gt; &gt; Thanks
>>&gt; &gt;
>>&gt; &gt;
>>&gt; &gt;
>>&gt; &gt;
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>>&gt;
>>&gt;
>>&gt;
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