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Message-ID: <51A779854605D41192C000508B8BC11C148EFC@hbmpdc.stark-verlag.de>
From: Software AG <sag@stark-verlag.de>
To: 'Ant Users List' <ant-user@jakarta.apache.org>
Subject: AW: Fileset tag
Date: Mon, 7 Oct 2002 11:42:29 +0200 
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Hi, Cyriaque.

Just now I created my own ant task, and it uses nested fileset =
elements.
It is very easy with the Netbeans IDE, since there you get a good =
template
to start with.

Attached you find the source, this is the ant script to use it (you'll =
have
to modify it):

    <target name=3D"test" depends=3D"init">
     <taskdef name=3D"IFMOD" classname=3D"chaudhuri.antext.IfModified"
classpath=3D"C:\daten\sag\work\chaudhuri\hcl"/>
    =20
     <IFMOD comparedto=3D"${testwebapps}/wbt/webeq.jar" =
runtask=3D"jar-webeq">
        <fileset dir=3D"${WEBEQ_SOURCE}">
          <include name=3D"**/*.*"/>
          <exclude name=3D"**/.nbattrs"/>
          <exclude name=3D"**/*.cmd"/>
          <exclude name=3D"**/*.pl"/>
          <exclude name=3D"**/*.xml"/>
          <exclude name=3D"**/*.java"/>
          <exclude name=3D"docs/**/*.*"/>
        </fileset>
     </IFMOD>
    </target>

> -----Urspr=FCngliche Nachricht-----
> Von: Cyriaque Dupoirieux [mailto:cyriaque.dupoirieux@pcotech.fr]
> Gesendet: Montag, 7. Oktober 2002 11:16
> An: Liste Ant
> Betreff: Fileset tag
>=20
>=20
> Hello,
>=20
>     Do you have an example of task source that enables the use of the =

> nested tag <fileset> ?
>   =20
> Thanks,
> Cyriaque,
>=20
> --=20
> Cyriaque Dupoirieux <mailto:Cyriaque.Dupoirieux@pcotech.fr>
> PCO Technologies
> Burolines - 2 ter rue Marcel Doret
> 31700 Blagnac
> T=E9l : 05.34.60.44.13 - Fax : 05.34.60.44.10
>=20
>=20


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	filename="IfModified.java"

/*=0A=
 * IfModified.java=0A=
 *=0A=
 * Created on 7. Oktober 2002, 11:09=0A=
 * $Id$=0A=
 */=0A=
=0A=
package chaudhuri.antext;=0A=
=0A=
// IMPORTANT! You may need to mount ant.jar before this class will=0A=
// compile. So mount the JAR modules/ext/ant-1.4.1.jar (NOT =
modules/ant.jar)=0A=
// from your IDE installation directory in your Filesystems before=0A=
// continuing to ensure that it is in your classpath.=0A=
=0A=
import org.apache.tools.ant.*;=0A=
import org.apache.tools.ant.types.*;=0A=
=0A=
/**=0A=
 * @author sag=0A=
 * @version $Revision$=0A=
 */=0A=
public class IfModified extends Task {=0A=
    =0A=
    /** Verzeichnis/Datei, mit deren Datum verglichen wird */=0A=
    private java.io.File comparedto;=0A=
    =0A=
    /** Target, das eventuell ausgef=FChrt werden soll */=0A=
    private String runtask;=0A=
    =0A=
    /** Liste der Files, die gepr=FCft werden */=0A=
    private java.util.List filesets =3D new java.util.LinkedList(); // =
List<FileSet>=0A=
    =0A=
    /** Sets the file which date is the reference=0A=
     * Note: f will automatically be absolute (resolved from project =
basedir).=0A=
     * <pre>=0A=
     * &gt;customtask myfile=3D"foo.txt"/&lt;=0A=
     * </pre>=0A=
     */=0A=
    public void setComparedTo(java.io.File f) {=0A=
        comparedto =3D f;=0A=
    }=0A=
    =0A=
    /** F=FCgt ein Fileset hinzu */=0A=
    public void addFileset(FileSet fs) {=0A=
        filesets.add(fs);=0A=
    }=0A=
    =0A=
    /** Setzt das auszuf=FChrende Target */=0A=
    public void setRunTask(String runtask) {=0A=
        this.runtask =3D runtask;=0A=
    }=0A=
    =0A=
    /* For a simple option:=0A=
    private boolean opt;=0A=
    public void setOpt(boolean b) {=0A=
        opt =3D b;=0A=
    }=0A=
    // <customtask opt=3D"true"/>=0A=
     */=0A=
    =0A=
    /* For a simple property based on a string:=0A=
    private String myprop;=0A=
    public void setMyprop(String s) {=0A=
        myprop =3D s;=0A=
    }=0A=
    // <customtask myprop=3D"some text here"/>=0A=
     */=0A=
    =0A=
    =0A=
    /* Custom nested elements:=0A=
    public static class Nestme {=0A=
        String val; // accessible from execute()=0A=
        public void setVal(String s) {=0A=
            val =3D s;=0A=
        }=0A=
    }=0A=
    private List nestmes =3D new LinkedList(); // List<Nestme>=0A=
    public Nestme createNestme() {=0A=
        Nestme n =3D new Nestme();=0A=
        nestmes.add(n);=0A=
        return n;=0A=
    }=0A=
    // Or:=0A=
    public void addNestme(Nestme n) {=0A=
        nestmes.add(n);=0A=
    }=0A=
    // <customtask>=0A=
    //     <nestme val=3D"something"/>=0A=
    // </customtask>=0A=
     */=0A=
    =0A=
    /** To add embedded filesets:=0A=
     * private List filesets =3D new LinkedList(); // List<FileSet>=0A=
     * public void addFileset(FileSet fs) {=0A=
     * filesets.add(fs);=0A=
     * }=0A=
     * // <customtask>=0A=
     * //     <fileset dir=3D"foo">=0A=
     * //         <include name=3D"*.txt"/>=0A=
     * //     </fileset>=0A=
     * // </customtask>=0A=
     * // In execute() you can do:=0A=
     * Iterator it =3D filesets.iterator();=0A=
     * while (it.hasNext()) {=0A=
     * FileSet fs =3D (FileSet)it.next();=0A=
     * DirectoryScanner ds =3D fs.getDirectoryScanner(project);=0A=
     * File basedir =3D ds.getBasedir();=0A=
     * String[] files =3D ds.getIncludedFiles();=0A=
     * // process them...=0A=
     * }=0A=
     */=0A=
    =0A=
    /* For nested text:=0A=
    private StringBuffer text;=0A=
    public void addText(String t) {=0A=
        t =3D t.trim();=0A=
        if (text =3D=3D null) {=0A=
            text =3D new StringBuffer(t);=0A=
        } else {=0A=
            text.append(t);=0A=
        }=0A=
    }=0A=
    // <customtask>=0A=
    //     Some text...=0A=
    // </customtask>=0A=
     */=0A=
    =0A=
    /* Some sort of path (like classpath or similar):=0A=
    private Path path;=0A=
    public void setPath(Path p) {=0A=
        if (path =3D=3D null) {=0A=
            path =3D p;=0A=
        } else {=0A=
            path.append(p);=0A=
        }=0A=
    }=0A=
    public Path createPath () {=0A=
        if (path =3D=3D null) {=0A=
            path =3D new Path(project);=0A=
        }=0A=
        return path.createPath();=0A=
    }=0A=
    public void setPathRef(Reference r) {=0A=
        createPath().setRefid(r);=0A=
    }=0A=
    // <customtask path=3D"foo:bar"/>=0A=
    // <customtask>=0A=
    //     <path>=0A=
    //         <pathelement location=3D"foo"/>=0A=
    //     </path>=0A=
    // </customtask>=0A=
    // Etc.=0A=
     */=0A=
    =0A=
    /* One of a fixed set of choices:=0A=
    public static class FooBieBletch extends EnumeratedAttribute {=0A=
        public String[] getValues() {=0A=
            return new String[] {"foo", "bie", "bletch"};=0A=
        }=0A=
    }=0A=
    private String mode =3D "foo";=0A=
    public void setMode(FooBieBletch m) {=0A=
        mode =3D m.getValue();=0A=
    }=0A=
    // <customtask mode=3D"bletch"/>=0A=
     */=0A=
    =0A=
    public void execute() throws BuildException {=0A=
        log("$Id$");=0A=
        =0A=
        if(runtask=3D=3Dnull)=0A=
            throw new BuildException("Attribute runtask must be =
set.");=0A=
        if(comparedto=3D=3Dnull)=0A=
            throw new BuildException("Attribute compareto must be =
set.");=0A=
        if(!comparedto.exists())=0A=
            throw new BuildException("Reference file '"+comparedto+"' =
does not exist.");=0A=
        =0A=
        long lastmodified =3D comparedto.lastModified();=0A=
        log("Refence file last modified "+new =
java.util.Date(lastmodified), Project.MSG_VERBOSE);=0A=
        =0A=
        boolean uptodate =3D true;=0A=
        =0A=
        java.util.Iterator it =3D filesets.iterator();=0A=
        while (it.hasNext()) {=0A=
            FileSet fs =3D (FileSet)it.next();=0A=
            DirectoryScanner ds =3D fs.getDirectoryScanner(project);=0A=
            java.io.File basedir =3D ds.getBasedir();=0A=
            String[] files =3D ds.getIncludedFiles();=0A=
            // process them...=0A=
            int i=3D0;=0A=
            while((i<files.length) && uptodate) {=0A=
                java.io.File f =3D new java.io.File(basedir, =
files[i]);=0A=
                if(f.lastModified() > lastmodified)=0A=
                    uptodate =3D false;=0A=
                log("Comparing '"+f+"' -> uptodate=3D"+uptodate, =
Project.MSG_VERBOSE);=0A=
                i++;=0A=
            }=0A=
        }=0A=
        =0A=
        if(!uptodate) {=0A=
            log(comparedto.toString()+" is not up to date, running =
"+runtask);=0A=
            project.executeTarget(runtask);=0A=
        }=0A=
        // To log something:=0A=
        // log("Some message");=0A=
        // log("Serious message", Project.MSG_WARN);=0A=
        // log("Minor message", Project.MSG_VERBOSE);=0A=
        =0A=
        // To signal an error:=0A=
        // throw new BuildException("Problem", location);=0A=
        // throw new BuildException(someThrowable, location);=0A=
        // throw new BuildException("Problem", someThrowable, =
location);=0A=
        =0A=
        // You can call other tasks too:=0A=
        // Zip zip =3D (Zip)project.createTask("zip");=0A=
        // zip.setZipfile(zipFile);=0A=
        // FileSet fs =3D new FileSet();=0A=
        // fs.setDir(baseDir);=0A=
        // zip.addFileset(fs);=0A=
        // zip.init();=0A=
        // zip.setLocation(location);=0A=
        // zip.execute();=0A=
    }=0A=
    =0A=
}=0A=
/*=0A=
 * $Log$=0A=
 */

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