/*
* 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.jetspeed.capabilities.impl;
import java.util.Map;
import java.util.Iterator;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.jetspeed.capabilities.Capabilities;
import org.apache.jetspeed.capabilities.CapabilityMap;
import org.apache.jetspeed.capabilities.MediaType;
import org.apache.jetspeed.capabilities.Client;
import org.apache.jetspeed.pipeline.PipelineException;
import org.apache.jetspeed.pipeline.valve.AbstractValve;
import org.apache.jetspeed.pipeline.valve.ValveContext;
import org.apache.jetspeed.request.RequestContext;
/**
* Invokes the capability customizer in the request pipeline
*
* @author <a href="mailto:woonsan@apache.org">Woonsan Ko</a>
* @version $Id: CapabilityCustomizerValveImpl.java 517719 2007-03-13 15:05:48Z ate $
*/
public class CapabilityCustomizerValveImpl extends AbstractValve
{
private static final Log log = LogFactory.getLog(CapabilityCustomizerValveImpl.class);
private Capabilities capabilities;
private Map clientToMediaTypeMap;
public CapabilityCustomizerValveImpl( Capabilities capabilities, Map clientToMediaTypeMap )
{
this.capabilities = capabilities;
this.clientToMediaTypeMap = clientToMediaTypeMap;
}
/**
* Initialize the valve before using in a pipeline.
*/
public void initialize() throws PipelineException
{
}
public void invoke( RequestContext request, ValveContext context ) throws PipelineException
{
CapabilityMap cm = request.getCapabilityMap();
if (cm != null && this.clientToMediaTypeMap != null)
{
Client client = cm.getClient();
String mediaTypeName = (String) this.clientToMediaTypeMap.get(client.getName());
if (mediaTypeName != null)
{
MediaType mediaType = this.capabilities.getMediaType(mediaTypeName);
cm.setPreferredMediaType(mediaType);
request.setMediaType(mediaTypeName);
}
}
// Pass control to the next Valve in the Pipeline
context.invokeNext(request);
}
public String toString()
{
return "CapabilityCustomizerValveImpl";
}
}