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/*
* Copyright (c) OSGi Alliance (2002, 2013). All Rights Reserved.
*
* Licensed 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.osgi.service.url;
import java.net.InetAddress;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
import org.osgi.annotation.versioning.ConsumerType;
/**
* Abstract implementation of the {@code URLStreamHandlerService} interface. All
* the methods simply invoke the corresponding methods on
* {@code java.net.URLStreamHandler} except for {@code parseURL} and
* {@code setURL}, which use the {@code URLStreamHandlerSetter} parameter.
* Subclasses of this abstract class should not need to override the
* {@code setURL} and {@code parseURL(URLStreamHandlerSetter,...)} methods.
*
* @ThreadSafe
* @author $Id$
*/
@ConsumerType
public abstract class AbstractURLStreamHandlerService extends URLStreamHandler implements URLStreamHandlerService {
/**
* @see "java.net.URLStreamHandler.openConnection"
*/
@Override
public abstract URLConnection openConnection(URL u) throws java.io.IOException;
/**
* The {@code URLStreamHandlerSetter} object passed to the parseURL method.
*/
protected volatile URLStreamHandlerSetter realHandler;
/**
* Parse a URL using the {@code URLStreamHandlerSetter} object. This method
* sets the {@code realHandler} field with the specified
* {@code URLStreamHandlerSetter} object and then calls
* {@code parseURL(URL,String,int,int)}.
*
* @param realHandler The object on which the {@code setURL} method must be
* invoked for the specified URL.
* @see "java.net.URLStreamHandler.parseURL"
*/
public void parseURL(@SuppressWarnings("hiding") URLStreamHandlerSetter realHandler, URL u, String spec, int start, int limit) {
this.realHandler = realHandler;
parseURL(u, spec, start, limit);
}
/**
* This method calls {@code super.toExternalForm}.
*
* @see "java.net.URLStreamHandler.toExternalForm"
*/
@Override
public String toExternalForm(URL u) {
return super.toExternalForm(u);
}
/**
* This method calls {@code super.equals(URL,URL)}.
*
* @see "java.net.URLStreamHandler.equals(URL,URL)"
*/
@Override
public boolean equals(URL u1, URL u2) {
return super.equals(u1, u2);
}
/**
* This method calls {@code super.getDefaultPort}.
*
* @see "java.net.URLStreamHandler.getDefaultPort"
*/
@Override
public int getDefaultPort() {
return super.getDefaultPort();
}
/**
* This method calls {@code super.getHostAddress}.
*
* @see "java.net.URLStreamHandler.getHostAddress"
*/
@Override
public InetAddress getHostAddress(URL u) {
return super.getHostAddress(u);
}
/**
* This method calls {@code super.hashCode(URL)}.
*
* @see "java.net.URLStreamHandler.hashCode(URL)"
*/
@Override
public int hashCode(URL u) {
return super.hashCode(u);
}
/**
* This method calls {@code super.hostsEqual}.
*
* @see "java.net.URLStreamHandler.hostsEqual"
*/
@Override
public boolean hostsEqual(URL u1, URL u2) {
return super.hostsEqual(u1, u2);
}
/**
* This method calls {@code super.sameFile}.
*
* @see "java.net.URLStreamHandler.sameFile"
*/
@Override
public boolean sameFile(URL u1, URL u2) {
return super.sameFile(u1, u2);
}
/**
* This method calls
* {@code realHandler.setURL(URL,String,String,int,String,String)}.
*
* @see "java.net.URLStreamHandler.setURL(URL,String,String,int,String,String)"
* @deprecated This method is only for compatibility with handlers written
* for JDK 1.1.
*/
@SuppressWarnings("javadoc")
protected void setURL(URL u, String proto, String host, int port, String file, String ref) {
realHandler.setURL(u, proto, host, port, file, ref);
}
/**
* This method calls
* {@code realHandler.setURL(URL,String,String,int,String,String,String,String)}
* .
*
* @see "java.net.URLStreamHandler.setURL(URL,String,String,int,String,String,String,String)"
*/
@Override
protected void setURL(URL u, String proto, String host, int port, String auth, String user, String path, String query, String ref) {
realHandler.setURL(u, proto, host, port, auth, user, path, query, ref);
}
}
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