| /** |
| * 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.camel.component.atom; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.apache.abdera.Abdera; |
| import org.apache.abdera.model.Document; |
| import org.apache.abdera.model.Feed; |
| import org.apache.abdera.parser.ParseException; |
| import org.apache.abdera.parser.Parser; |
| |
| /** |
| * Atom utilities. |
| */ |
| public final class AtomUtils { |
| |
| private AtomUtils() { |
| // Helper class |
| } |
| |
| /** |
| * Gets the Atom parser. |
| */ |
| public static Parser getAtomParser() { |
| return Abdera.getInstance().getParser(); |
| } |
| |
| /** |
| * Parses the given uri and returns the response as a atom feed document. |
| * |
| * @param uri the uri for the atom feed. |
| * @return the document |
| * @throws IOException is thrown if error reading from the uri |
| * @throws ParseException is thrown if the parsing failed |
| */ |
| public static Document<Feed> parseDocument(String uri) throws IOException, ParseException { |
| InputStream in = new URL(uri).openStream(); |
| Parser parser = getAtomParser(); |
| // set the thread context loader with the ParserClassLoader |
| ClassLoader old = Thread.currentThread().getContextClassLoader(); |
| try { |
| Thread.currentThread().setContextClassLoader(parser.getClass().getClassLoader()); |
| return parser.parse(in); |
| } finally { |
| Thread.currentThread().setContextClassLoader(old); |
| } |
| |
| } |
| |
| } |