org.apache.karaf.tooling.url.CustomBundleURLStreamHandlerFactory 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.url;
import java.io.IOException;
import java.lang.reflect.Field;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.util.Hashtable;
import org.ops4j.pax.url.mvn.MavenResolver;
import org.ops4j.pax.url.mvn.MavenResolvers;
import org.ops4j.pax.url.mvn.ServiceConstants;
import org.ops4j.pax.url.mvn.internal.AetherBasedResolver;
import org.ops4j.pax.url.mvn.internal.Connection;
import org.ops4j.pax.url.mvn.internal.config.MavenConfigurationImpl;
import shaded.org.ops4j.util.property.PropertiesPropertyResolver;
public class CustomBundleURLStreamHandlerFactory implements URLStreamHandlerFactory {
private static final String MVN_URI_PREFIX = "mvn";
private static final String WRAP_URI_PREFIX = "wrap";
private static final String FEATURE_URI_PREFIX = "feature";
private static final String SPRING_URI_PREFIX = "spring";
private static final String BLUEPRINT_URI_PREFIX = "blueprint";
private static final String WAR_URI_PREFIX = "war";
private final MavenResolver mavenResolver;
public CustomBundleURLStreamHandlerFactory() {
this(null);
}
public CustomBundleURLStreamHandlerFactory(MavenResolver mavenResolver) {
this.mavenResolver = mavenResolver;
}
public URLStreamHandler createURLStreamHandler(String protocol) {
if (protocol.equals(MVN_URI_PREFIX)) {
return new URLStreamHandler() {
@Override
protected URLConnection openConnection(URL u) throws IOException {
MavenResolver resolver = mavenResolver;
if (resolver == null) {
PropertiesPropertyResolver propertyResolver = new PropertiesPropertyResolver(System.getProperties());
final MavenConfigurationImpl config = new MavenConfigurationImpl(propertyResolver, ServiceConstants.PID);
resolver = new AetherBasedResolver(config);
}
return new Connection(u, resolver);
}
};
} else if (protocol.equals(WRAP_URI_PREFIX)){
return new org.ops4j.pax.url.wrap.Handler();
} else if (protocol.equals(FEATURE_URI_PREFIX)){
return new FeatureURLHandler();
} else if (protocol.equals(SPRING_URI_PREFIX)){
return new SpringURLHandler();
} else if (protocol.equals(BLUEPRINT_URI_PREFIX)){
return new BlueprintURLHandler();
} else if (protocol.equals(WAR_URI_PREFIX)) {
return new WarURLHandler();
} else {
return null;
}
}
public static void install() {
install(null);
}
public static void install(MavenResolver mavenResolver) {
uninstall();
URL.setURLStreamHandlerFactory(new CustomBundleURLStreamHandlerFactory(mavenResolver));
}
public static void uninstall() {
try {
Field handlersField = URL.class.getDeclaredField("handlers");
Field factoryField = URL.class.getDeclaredField("factory");
factoryField.setAccessible(true);
factoryField.set(null, null);
handlersField.setAccessible(true);
handlersField.set(null, new Hashtable());
} catch (Throwable t) {
t.printStackTrace();
}
}
}