I see re <book:filesize>; it is an example of
extension more than of usage. This clears up my
question. :) Nice to be able to look at the examples
ahead of time...
-Matt
--- Steve Loughran <[EMAIL PROTECTED]> wrote:
> Matt Benson wrote:
> >> this test works on the command line:
> >>
> >> <target name="testPath" depends="define">
> >> <book:filesize property="size">
> >> <path path="${java.class.path}"/>
> >> </book:filesize>
> >> <echo> classpath size=${size}</echo>
> >> </target>
> >>
> >> but when run from antunit, it fails cos
> >> java.class.path isnt set.
> >
> > Steve, I was noticing this filesize task you've
> got in
> > the "book" ns... I assume this relates to an
> example
> > that will go in the forthcoming revision to the
> > Manning book. How does <book:filesize> differ
> from
> > the 1.6.3+ <length> task?
>
> hey, go check out antbook.cvs.sourceforge.net and
> see for yourself.
>
>
> For reference, it only does file resources. I
> iterate and cast
>
> public void execute() throws BuildException {
> if (property == null) {
> throw new BuildException("No
> property");
> }
> long size = 0;
> int count = 0;
> Iterator element = resources.iterator();
> while (element.hasNext()) {
> Resource resource = (Resource)
> element.next();
> if (!(resource instanceof
> FileResource)) {
> throw new BuildException("Not a
> file: " + resource);
> }
> log(resource.getName(),
> Project.MSG_VERBOSE);
> FileResource fileResource =
> (FileResource) resource;
> File file = fileResource.getFile();
> if (!file.exists()) {
> throw new BuildException("Not
> found: " + file);
> }
> size += file.length();
> count++;
> }
> if (count == 0) {
> log("No files sized up",
> Project.MSG_WARN);
> }
> getProject().setNewProperty(property,
> Long.toString(size));
> }
>
> It just shows how to go from a file to a fileset to
> resources.
>
> the other interesting task does classpath setup and
> delegates to java
>
> /**
> * [EMAIL PROTECTED]
> * @throws org.apache.tools.ant.BuildException
> * if something goes wrong with the
> build.
> */
> public void execute() {
> Java java=new Java();
> java.bindToOwner(this);
> java.init();
> java.setClasspath(classpath);
> java.setClassname(classname);
> java.setFailonerror(true);
> java.setFork(true);
> Iterator element = resources.iterator();
> while (element.hasNext()) {
> Resource resource = (Resource)
> element.next();
>
> java.createArg().setValue(resource.toString());
> }
> java.execute();
> }
>
> Its a resource-enabled equivalent of <apply>,
> effectively. And you can
> see why I like toString() to be meaningful.
>
> -steve
>
>
>
>
>
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