/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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;
import java.io.IOException;
import java.net.URL;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.ResourceCollection;
import org.apache.tools.ant.types.resources.URLProvider;
import org.apache.tools.ant.types.resources.Union;
import org.apache.tools.ant.util.FileUtils;
/**
* Not a real task but used during tests.
*
* Closes the resources associated with an URL. In particular this is
* going to close the jars associated with a jar:file: URL - and it
* does so in a way that the Java VM still thinks it is open, so use
* it at your own risk.
*/
public class CloseResources extends Task {
private Union resources = new Union();
public void add(ResourceCollection rc) {
resources.add(rc);
}
public void execute() {
for (Resource r : resources) {
URLProvider up = r.as(URLProvider.class);
if (up != null) {
URL u = up.getURL();
try {
FileUtils.close(u.openConnection());
} catch (IOException ex) {
// ignore
}
}
}
}
}