/**
* 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.geronimo.jasper.deployment;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import org.apache.geronimo.common.DeploymentException;
import org.apache.geronimo.deployment.Deployable;
import org.apache.geronimo.deployment.DeployableBundle;
import org.apache.geronimo.j2ee.deployment.WebModule;
import org.apache.xbean.osgi.bundle.util.BundleResourceFinder;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceReference;
import org.osgi.service.packageadmin.PackageAdmin;
public class BundleTldScanner {
/**
* Scan the module being deployed for JAR files or TLD files in the WEB-INF directory
*
* @param webModule module being deployed
* @return list of the URL(s) for the TLD files in the module
* @throws DeploymentException if module cannot be scanned
*/
public List<URL> scanModule(WebModule webModule) throws DeploymentException {
Deployable deployable = webModule.getDeployable();
if (!(deployable instanceof DeployableBundle)) {
throw new IllegalArgumentException("Expected DeployableBundle");
}
Bundle bundle = ((DeployableBundle) deployable).getBundle();
List<URL> modURLs = new ArrayList<URL>();
Enumeration e = bundle.findEntries("WEB-INF/", "*.tld", true);
if (e != null) {
while (e.hasMoreElements()) {
modURLs.add((URL) e.nextElement());
}
}
ServiceReference reference = bundle.getBundleContext().getServiceReference(PackageAdmin.class.getName());
PackageAdmin packageAdmin = (PackageAdmin) bundle.getBundleContext().getService(reference);
BundleResourceFinder resourceFinder = new BundleResourceFinder(packageAdmin, bundle, "META-INF/", ".tld");
modURLs.addAll(resourceFinder.find());
bundle.getBundleContext().ungetService(reference);
return modURLs;
}
}