/*
* Copyright 2011 eBay 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.raptorjs.resources.osgi;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import org.osgi.framework.Bundle;
import org.raptorjs.resources.Resource;
import org.raptorjs.resources.SearchPathEntry;
import org.raptorjs.resources.URLResource;
import org.raptorjs.resources.ResourceManager.ResourceCallback;
public class BundleSearchPathEntry extends SearchPathEntry {
private Bundle bundle = null;
private String basePath = null;
public BundleSearchPathEntry(Bundle bundle, String basePath) {
this.bundle = bundle;
this.basePath = basePath;
}
@Override
public Resource findResource(String path) {
if (this.bundle.getState() != Bundle.ACTIVE) return null;
String fullPath = ("/".equals(this.basePath) ? "" : this.basePath) + path;
URL resourceURL = this.bundle.getResource(fullPath);
if (resourceURL != null) {
return this.createBundleResource(path, fullPath, resourceURL);
}
return null;
}
@Override
public void forEachResource(String path, ResourceCallback callback) {
String fullPath = this.basePath + path;
Enumeration<URL> urls;
try {
urls = this.bundle.getResources(fullPath);
} catch (IOException e) {
throw new RuntimeException(e);
}
if (urls != null) {
while (urls.hasMoreElements()) {
URL url = urls.nextElement();
Resource resource = new URLResource(path, this, fullPath, url, true);
callback.resourceFound(resource);
}
}
}
@Override
public String toString() {
return "BundleSearchPathEntry [bundle=" + bundle.getSymbolicName() + " (" + bundle.getBundleId() + ")" + ", basePath="
+ basePath + "]";
}
protected Resource createBundleResource(String path, String fullPath, URL url) {
return new BundleResource(path, this, this.bundle, fullPath, url);
}
public Bundle getBundle() {
return bundle;
}
public String getBasePath() {
return basePath;
}
}