org.apache.karaf.tooling.features.model.Repository Maven / Gradle / Ivy
/**
*
* 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.tooling.features.model;
import java.io.ByteArrayInputStream;
import java.net.URI;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
public class Repository {
private URI uri;
private List features;
private List repositories;
private Integer defaultStartLevel;
public Repository(URI uri, Integer defaultStartLevel) {
this.uri = uri;
this.defaultStartLevel = defaultStartLevel;
}
public URI getURI() {
return uri;
}
public Feature[] getFeatures() {
if (features == null) {
loadFeatures();
}
return features.toArray(new Feature[features.size()]);
}
public String[] getDefinedRepositories() {
if (repositories == null) {
loadRepositories();
}
return repositories.toArray(new String[repositories.size()]);
}
private void loadRepositories() {
try {
repositories = new ArrayList();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc = factory.newDocumentBuilder().parse(uri.toURL().openStream());
NodeList nodes = doc.getDocumentElement().getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
org.w3c.dom.Node node = nodes.item(i);
if (!(node instanceof Element) || !"repository".equals(node.getNodeName())) {
continue;
}
Element e = (Element) nodes.item(i);
repositories.add(e.getTextContent().trim());
}
} catch (Exception e) {
throw new RuntimeException("Error loading feature descriptors from " + this.uri, e);
}
}
private void loadFeatures() {
try {
features = new ArrayList();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
Document doc = factory.newDocumentBuilder().parse(uri.toURL().openStream());
NodeList nodes = doc.getDocumentElement().getChildNodes();
for (int i = 0; i < nodes.getLength(); i++) {
org.w3c.dom.Node node = nodes.item(i);
if (!(node instanceof Element) || !"feature".equals(node.getNodeName())) {
continue;
}
Element e = (Element) nodes.item(i);
String name = e.getAttribute("name");
String version = e.getAttribute("version");
Feature f = new Feature(name);
f.setVersion(version);
NodeList featureNodes = e.getElementsByTagName("feature");
for (int j = 0; j < featureNodes.getLength(); j++) {
Element b = (Element) featureNodes.item(j);
if (b.getAttribute("version") != null
&& b.getAttribute("version").length() > 0) {
f.addDependency(b.getTextContent() + "/" + b.getAttribute("version"));
} else {
f.addDependency(b.getTextContent());
}
}
NodeList configNodes = e.getElementsByTagName("config");
for (int j = 0; j < configNodes.getLength(); j++) {
Element c = (Element) configNodes.item(j);
String cfgName = c.getAttribute("name");
String data = c.getTextContent();
String append = c.getAttribute("append");
Properties properties = new Properties();
properties.load(new ByteArrayInputStream(data.getBytes()));
Map hashtable = new Hashtable();
for (Object key : properties.keySet()) {
String n = key.toString();
hashtable.put(n, properties.getProperty(n));
}
f.addConfig(new ConfigRef(cfgName, hashtable, append));
}
NodeList configFileNodes = e.getElementsByTagName("configfile");
for (int j = 0; j < configFileNodes.getLength(); j++) {
Element c = (Element) configFileNodes.item(j);
f.addConfigFile(new ArtifactRef(c.getTextContent()));
}
NodeList bundleNodes = e.getElementsByTagName("bundle");
for (int j = 0; j < bundleNodes.getLength(); j++) {
Element b = (Element) bundleNodes.item(j);
Integer startLevel = getInt(b, "start-level", defaultStartLevel);
f.addBundle(new BundleRef(b.getTextContent(), startLevel));
}
features.add(f);
}
} catch (Exception e) {
throw new RuntimeException("Error loading features for " + this.uri, e);
}
}
private Integer getInt(Element el, String key, Integer defaultValue) {
Integer value;
try {
value = Integer.parseInt(el.getAttribute(key));
} catch (Exception e1) {
value = null;
}
return (value == null || value == 0) ? defaultValue : value;
}
}