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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.xmlrpc.common;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;


/** Implementation of {@link ServerStreamConnection} for
 * use by the
 * {@link org.apache.xmlrpc.client.XmlRpcLocalStreamTransport}.
 */
public class LocalStreamConnection {
    private class LocalServerStreamConnection implements ServerStreamConnection {
        public InputStream newInputStream() throws IOException {
            return request;
        }

        public OutputStream newOutputStream() throws IOException {
            return response;
        }

        public void close() throws IOException {
            if (response != null) {
                response.close();
            }
        }
    }

    private final InputStream request;
	private final XmlRpcStreamRequestConfig config;
	private final ByteArrayOutputStream response = new ByteArrayOutputStream();
    private final ServerStreamConnection serverStreamConnection;

	/** Creates a new instance with the given request stream.
	 */
	public LocalStreamConnection(XmlRpcStreamRequestConfig pConfig, 
			InputStream pRequest) {
		config = pConfig;
		request = pRequest;
        serverStreamConnection = new LocalServerStreamConnection();
	}

	/** Returns the request stream.
	 */
	public InputStream getRequest() {
		return request;
	}

	/** Returns the request configuration.
	 */
	public XmlRpcStreamRequestConfig getConfig() {
		return config;
	}

	/** Returns an output stream, to which the response
	 * may be written.
	 */
	public ByteArrayOutputStream getResponse() {
		return response;
	}

    /** Returns the servers connection.
     */
    public ServerStreamConnection getServerStreamConnection() {
        return serverStreamConnection;
    }
}