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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 29052] - getProject() method returns null when called from Custom Tasks
Date Tue, 18 May 2004 07:00:38 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=29052

getProject() method returns null when called from Custom Tasks

jan@materne.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME



------- Additional Comments From jan@materne.de  2004-05-18 07:00 -------
I have tested your code against Ant 1.4.0, 1.5.4, 1.6.1 and CVS and it works 
well on all:

JustBuild.java
--------------
import org.apache.tools.ant.Task;
import org.apache.tools.ant.Project;

public class JustBuild extends Task {
    private String myVersion;

    public void setVersion(String version) {
        myVersion = version;
    }

    public void execute() {
        System.out.println("In execute");

        myVersion = getProject().getProperty("version");
        if (myVersion == null) {
            System.out.println("myVersion is null");
        } else {
            System.out.println(" myVersion: " + myVersion.toString());
            int dot = myVersion.lastIndexOf(".");
            System.out.println(" got dot: " + String.valueOf(dot));
            String buildnum = myVersion.substring(dot+1);
            System.out.println(" got buildnum: " + buildnum);
            System.out.println(" project is :");
            System.out.println(" project: "+ getProject().toString());
            getProject().setProperty("buildnum", buildnum);
        }
    }
}


build.xml
---------
<project default="run">
    <target name="compile">
        <javac srcdir="."/>
    </target>

    <target name="run" depends="compile">
        <taskdef name="justbuild" classname="JustBuild" classpath="."/>
        <echo>Ant-Version: ${ant.version}</echo>
        <justbuild/>
    </target>
</project>


output:
-------
C:\TEMP\xxx>ant -version
Ant version 1.4 compiled on September 3 2001
C:\TEMP\xxx>ant
Buildfile: build.xml

compile:
    [javac] Compiling 1 source file

run:
     [echo] Ant-Version: Ant version 1.4 compiled on September 3 2001
[justbuild] In execute
[justbuild] myVersion is null

BUILD SUCCESSFUL

Total time: 1 second
C:\TEMP\xxx>set ant_home=c:\seu\ant154

C:\TEMP\xxx>ant
Buildfile: build.xml

compile:

run:
     [echo] Ant-Version: Apache Ant version 1.5.4 compiled on August 12 2003
[justbuild] In execute
[justbuild] myVersion is null

BUILD SUCCESSFUL
Total time: 1 second
C:\TEMP\xxx>set ant_home=c:\seu\ant161

C:\TEMP\xxx>ant
Buildfile: build.xml

compile:

run:
     [echo] Ant-Version: Apache Ant version 1.6.1 compiled on February 12 2004
[justbuild] In execute
[justbuild] myVersion is null

BUILD SUCCESSFUL
Total time: 2 seconds
C:\TEMP\xxx>set ant_home=c:\seu\ant17.5

C:\TEMP\xxx>ant
Buildfile: build.xml

compile:

run:
     [echo] Ant-Version: Apache Ant version 1.7alpha compiled on May 10 2004
[justbuild] In execute
[justbuild] myVersion is null

BUILD SUCCESSFUL
Total time: 1 second

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