/*
* 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.sling.atom.taglib.internal;
import javax.servlet.jsp.JspException;
import org.apache.abdera.Abdera;
import org.apache.abdera.ext.media.MediaExtensionFactory;
import org.apache.abdera.ext.opensearch.model.OpenSearchExtensionFactory;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.parser.stax.FOMFactory;
public abstract class AbderaActivator {
private static Abdera ABDERA;
private static final Object LOCK = new Object();
public static Abdera getAbdera() throws JspException {
synchronized ( LOCK ) {
if ( ABDERA == null ) {
final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
final ClassLoader osgiClassloader = AbderaActivator.class.getClassLoader();
Thread.currentThread().setContextClassLoader(osgiClassloader);
try {
final Abdera a = new Abdera();
final Factory f = a.getFactory();
if (f instanceof FOMFactory) {
FOMFactory ff = (FOMFactory) f;
ff.registerExtension(new MediaExtensionFactory());
ff.registerExtension(new OpenSearchExtensionFactory());
}
ABDERA = a;
} finally {
Thread.currentThread().setContextClassLoader(classLoader);
}
}
}
return ABDERA;
}
}