components/camel-restlet/src/main/java/org/apache/camel/component/restlet/RestletHeaderFilterStrategy.java

/**
 * 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.camel.component.restlet;

import org.apache.camel.Exchange;
import org.apache.camel.impl.DefaultHeaderFilterStrategy;

/**
 * Default header filtering strategy for Restlet
 * 
 * @version 
 */
public class RestletHeaderFilterStrategy extends DefaultHeaderFilterStrategy {

    public RestletHeaderFilterStrategy() {
        // No IN filters and copy all headers from Restlet to Camel
        
        // OUT filters (from Camel headers to Restlet headers)
        // filter headers used internally by this component
        getOutFilter().add(RestletConstants.RESTLET_LOGIN);
        getOutFilter().add(RestletConstants.RESTLET_PASSWORD);
        
        // The "CamelAcceptContentType" header is not added to the outgoing HTTP 
        // headers but it will be going out as "Accept.
        getOutFilter().add(Exchange.ACCEPT_CONTENT_TYPE);
        
        // As we don't set the transfer_encoding protocol header for the restlet service
        // we need to remove the transfer_encoding which could let the client wait forever
        getOutFilter().add(Exchange.TRANSFER_ENCODING);
        setCaseInsensitive(true);
    }

}