/*
 * 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.test.mock;

import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;

import javax.faces.context.ResponseStream;
import javax.faces.context.ResponseWriter;
import javax.faces.render.RenderKit;
import javax.faces.render.Renderer;
import javax.faces.render.ResponseStateManager;

/**
 * <p>Mock implementation of <code>RenderKit</code>.</p>
 *
 * $Id$
 */

public class MockRenderKit extends RenderKit {


    // ------------------------------------------------------------ Constructors


    /**
     * <p>Return a default instance.</p>
     */
    public MockRenderKit() {
    }


    // ----------------------------------------------------- Mock Object Methods


    // ------------------------------------------------------ Instance Variables


    /**
     * <p>The set of renderers registered here.</p>
     */
    private Map renderers = new HashMap();


    // ------------------------------------------------------- RenderKit Methods


    /** {@inheritDoc} */
    public void addRenderer(String family, String rendererType,
                            Renderer renderer) {

        if ((family == null) || (rendererType == null) || (renderer == null)) {
            throw new NullPointerException();
        }
        renderers.put(family + "|" + rendererType, renderer);

    }


    /** {@inheritDoc} */
    public Renderer getRenderer(String family, String rendererType) {

        if ((family == null) || (rendererType == null)) {
            throw new NullPointerException();
        }
        return (Renderer) renderers.get(family + "|" + rendererType);

    }


    /** {@inheritDoc} */
    public ResponseWriter createResponseWriter(Writer writer,
                                               String contentTypeList,
                                               String characterEncoding) {

       return new MockResponseWriter(writer, contentTypeList, characterEncoding);

    }


    /** {@inheritDoc} */
    public ResponseStream createResponseStream(OutputStream out) {

        final OutputStream stream = out;
        return new ResponseStream() {

            public void close() throws IOException {
                stream.close();
            }

            public void flush() throws IOException {
                stream.flush();
            }

            public void write(byte[] b) throws IOException {
                stream.write(b);
            }

            public void write(byte[] b, int off, int len) throws IOException {
                stream.write(b, off, len);
            }

            public void write(int b) throws IOException {
                stream.write(b);
            }

        };


    }


    /** {@inheritDoc} */
    public ResponseStateManager getResponseStateManager() {

        throw new UnsupportedOperationException();

    }


}