/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.jersey.core.spi.factory;
import com.sun.jersey.api.uri.UriBuilderImpl;
import com.sun.jersey.spi.HeaderDelegateProvider;
import com.sun.jersey.spi.service.ServiceFinder;
import java.net.URI;
import java.util.Date;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
import javax.ws.rs.core.CacheControl;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.EntityTag;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.NewCookie;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.Variant.VariantListBuilder;
import javax.ws.rs.ext.RuntimeDelegate;
/**
* An abstract implementation of {@link RuntimeDelegate} that
* provides support common to the client and server.
*
* @author Paul.Sandoz@Sun.Com
*/
public abstract class AbstractRuntimeDelegate extends RuntimeDelegate {
final private Set<HeaderDelegateProvider> hps =
new HashSet<HeaderDelegateProvider>();
final private Map<Class<?>, HeaderDelegate> map =
new WeakHashMap<Class<?>, HeaderDelegate>();
public AbstractRuntimeDelegate() {
for (HeaderDelegateProvider p : ServiceFinder.find(HeaderDelegateProvider.class, true))
hps.add(p);
/**
* Construct a map for quick look up of known header classes
*/
map.put(EntityTag.class, _createHeaderDelegate(EntityTag.class));
map.put(MediaType.class, _createHeaderDelegate(MediaType.class));
map.put(CacheControl.class, _createHeaderDelegate(CacheControl.class));
map.put(NewCookie.class, _createHeaderDelegate(NewCookie.class));
map.put(Cookie.class, _createHeaderDelegate(Cookie.class));
map.put(URI.class, _createHeaderDelegate(URI.class));
map.put(Date.class, _createHeaderDelegate(Date.class));
map.put(String.class, _createHeaderDelegate(String.class));
}
@Override
public VariantListBuilder createVariantListBuilder() {
return new VariantListBuilderImpl();
}
@Override
public ResponseBuilder createResponseBuilder() {
return new ResponseBuilderImpl();
}
@Override
public UriBuilder createUriBuilder() {
return new UriBuilderImpl();
}
@Override
public <T> HeaderDelegate<T> createHeaderDelegate(Class<T> type) {
if (type == null)
throw new IllegalArgumentException("type parameter cannot be null");
HeaderDelegate h = map.get(type);
if (h != null) return h;
return _createHeaderDelegate(type);
}
private <T> HeaderDelegate<T> _createHeaderDelegate(Class<T> type) {
for (HeaderDelegateProvider hp: hps)
if (hp.supports(type))
return hp;
return null;
}
}