/*
* Copyright 2002-2005 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.optional.extension.resolvers;
import java.io.File;
import java.io.IOException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Ant;
import org.apache.tools.ant.taskdefs.optional.extension.Extension;
import org.apache.tools.ant.taskdefs.optional.extension.ExtensionResolver;
/**
* Resolver that just returns s specified location.
*
*/
public class AntResolver implements ExtensionResolver {
private File antfile;
private File destfile;
private String target;
/**
* Sets the ant file
* @param antfile the ant file to set
*/
public void setAntfile(final File antfile) {
this.antfile = antfile;
}
/**
* Sets the destination file
* @param destfile the destination file
*/
public void setDestfile(final File destfile) {
this.destfile = destfile;
}
/**
* Sets the target
* @param target the target
*/
public void setTarget(final String target) {
this.target = target;
}
/**
* Returns the resolved file
* @param extension the extension
* @param project the project
* @return the file resolved
* @throws BuildException if the file cannot be resolved
*/
public File resolve(final Extension extension,
final Project project) throws BuildException {
validate();
final Ant ant = (Ant) project.createTask("ant");
ant.setInheritAll(false);
ant.setAntfile(antfile.getName());
try {
final File dir =
antfile.getParentFile().getCanonicalFile();
ant.setDir(dir);
} catch (final IOException ioe) {
throw new BuildException(ioe.getMessage(), ioe);
}
if (null != target) {
ant.setTarget(target);
}
ant.execute();
return destfile;
}
/*
* Validates URL
*/
private void validate() {
if (null == antfile) {
final String message = "Must specify Buildfile";
throw new BuildException(message);
}
if (null == destfile) {
final String message = "Must specify destination file";
throw new BuildException(message);
}
}
/**
* Returns a string representation
* @return the string representation
*/
public String toString() {
return "Ant[" + antfile + "==>" + destfile + "]";
}
}