| /* |
| * 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.karaf.eik.core.features; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.jdom.Document; |
| import org.jdom.Element; |
| import org.jdom.JDOMException; |
| import org.jdom.input.SAXBuilder; |
| import org.jdom.output.Format; |
| import org.jdom.output.XMLOutputter; |
| |
| public class XmlFeaturesRepository implements FeaturesRepository { |
| |
| private final Document document; |
| |
| private final Features features; |
| |
| private final String repositoryName; |
| |
| public XmlFeaturesRepository(final String repositoryName, final InputStream inputStream) throws IOException { |
| if (repositoryName == null) { |
| throw new NullPointerException("repositoryName"); |
| } |
| |
| if (inputStream == null) { |
| throw new NullPointerException("inputStream"); |
| } |
| |
| try { |
| document = new SAXBuilder().build(inputStream); |
| |
| final Element rootElement = document.getRootElement(); |
| if (rootElement == null) { |
| // This is bad! |
| } |
| |
| this.features = new Features(rootElement, this); |
| this.repositoryName = repositoryName; |
| } catch (final JDOMException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj == null) { |
| return false; |
| } |
| |
| if (!(obj instanceof XmlFeaturesRepository)) { |
| return false; |
| } |
| |
| final XmlFeaturesRepository other = (XmlFeaturesRepository) obj; |
| if (features == null) { |
| if (other.features != null) { |
| return false; |
| } |
| } else if (!features.equals(other.features)) { |
| return false; |
| } |
| |
| if (repositoryName == null) { |
| if (other.repositoryName != null) { |
| return false; |
| } |
| } else if (!repositoryName.equals(other.repositoryName)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public Features getFeatures() { |
| return features; |
| } |
| |
| @Override |
| public String getName() { |
| return repositoryName; |
| } |
| |
| @Override |
| public List<Repository> getRepositories() { |
| return Collections.unmodifiableList(features.getRepositories()); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + (features == null ? 0 : features.hashCode()); |
| result = prime * result + (repositoryName == null ? 0 : repositoryName.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return repositoryName; |
| } |
| |
| @Override |
| public void write(final OutputStream out) throws IOException { |
| final XMLOutputter xmlOutputter = new XMLOutputter(Format.getPrettyFormat()); |
| xmlOutputter.output(document, out); |
| } |
| |
| } |