org.apache.karaf.features.internal.service.FeatureRepoFinder 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.features.internal.service;
import java.net.URI;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;
import org.osgi.framework.Constants;
import org.osgi.service.cm.ConfigurationException;
import org.osgi.service.cm.ManagedService;
public class FeatureRepoFinder implements ManagedService {
public static final String FEATURES_REPOS_PID = "org.apache.karaf.features.repos";
final Map nameToArtifactMap = new HashMap<>();
public static Dictionary getServiceProperties() {
Dictionary props = new Hashtable<>();
props.put(Constants.SERVICE_PID, FeatureRepoFinder.FEATURES_REPOS_PID);
return props;
}
public synchronized String[] getNames() {
Set strings = nameToArtifactMap.keySet();
return strings.toArray(new String[strings.size()]);
}
public synchronized URI getUriFor(String name, String version) {
String artifactUri = nameToArtifactMap.get(name);
if (artifactUri == null) {
return null;
}
if (version != null) {
artifactUri = FeatureRepoFinder.replaceVersion(artifactUri, version);
}
return URI.create(artifactUri);
}
@SuppressWarnings("rawtypes")
public synchronized void updated(Dictionary properties) throws ConfigurationException {
if (properties != null) {
nameToArtifactMap.clear();
Enumeration keys = properties.keys();
while (keys.hasMoreElements()) {
String key = (String)keys.nextElement();
if (!isSystemKey(key)) {
nameToArtifactMap.put(key, (String)properties.get(key));
}
}
}
}
private boolean isSystemKey(String key) {
return "felix.fileinstall.filename".equals(key) || "service.pid".equals(key);
}
/**
* Replace the version in the URL with the provided one.
* Only processes mvn urls like mvn:groupId/artifactId/version...
*
* @param url
* @param version
* @return
*/
private static String replaceVersion(String url, String version) {
if (url.startsWith("mvn:")) {
int firstSlash = url.indexOf('/');
int secondSlash = url.indexOf('/', firstSlash + 1);
String before = url.substring(0, secondSlash);
int thirdSlash = url.indexOf('/', secondSlash + 1);
String after = url.substring(thirdSlash + 1);
return before + "/" + version + "/" + after;
}
return url;
}
}