/*
* © Copyright GBS Inc 2011
*
* 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.openntf.xsp.starter.util;
import java.net.URL;
import java.util.Enumeration;
import javax.faces.context.FacesContext;
import org.osgi.framework.Bundle;
public class LibraryUtils {
// methods copied mostly from ExtLibUtil to avoid dependency
public static Object resolveVariable(FacesContext facesContext, String name) {
Object value = facesContext.getApplication().getVariableResolver().resolveVariable(facesContext, name);
return value;
}
public static URL getResourceURL(Bundle bundle, String path) {
int fileNameIndex = path.lastIndexOf('/');
String fileName = path.substring(fileNameIndex + 1);
path = path.substring(0, fileNameIndex + 1);
// see http://www.osgi.org/javadoc/r4v42/org/osgi/framework/Bundle.html
// #findEntries%28java.lang.String,%20java.lang.String,%20boolean%29
Enumeration<?> urls = bundle.findEntries(path, fileName, false/* recursive */);
if (null != urls && urls.hasMoreElements()) {
URL url = (URL) urls.nextElement();
if (null != url) {
return url;
}
}
return null; // no match, 404 not found.
}
}