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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF2.1 features. A JSF2.1 implementation is required to use this version of the Tomahawk library.

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/*
 * 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.myfaces.renderkit.html.util;

import java.io.IOException;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * A class which can interpret the URI generated by a corresponding ResourceHandler
 * implementation, locate that resource and write it to the servlet response stream.
 *
 * @author Mathias Broekelmann (latest modification by $Author: skitching $)
 * @version $Revision: 673833 $ $Date: 2008-07-03 16:58:05 -0500 (Thu, 03 Jul 2008) $
 */
public interface ResourceLoader
{
    /**
     * Define an exception for reporting when a client requests a resource, but
     * then closes its socket before we finish sending it. In this case, the normal
     * behaviour is to not report an error; there is nothing wrong on this end. 
     */
    public static class ClosedSocketException extends IOException
    {
    }

    /**
     * Called by AddResource to render external resource data 
     * @param context TODO
     * @param request the request 
     * @param response the response to write the resource content to
     * @param resourceUri contains the uri part after the uri which 
     * is used to identify the resource loader
     * 
     * @throws IOException
     */
    public void serveResource(ServletContext context, HttpServletRequest request,
            HttpServletResponse response, String resourceUri) throws IOException;
}