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The RabbitMQ Java client library allows Java applications to interface with RabbitMQ.
// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Original Code is RabbitMQ.
//
// The Initial Developer of the Original Code is GoPivotal, Inc.
// Copyright (c) 2007-2013 GoPivotal, Inc. All rights reserved.
//
package com.rabbitmq.client;
import java.io.IOException;
/**
* Subclass of RpcServer which accepts UTF-8 string requests.
*/
public class StringRpcServer extends RpcServer {
public StringRpcServer(Channel channel) throws IOException
{ super(channel); }
public StringRpcServer(Channel channel, String queueName) throws IOException
{ super(channel, queueName); }
public static String STRING_ENCODING = "UTF-8";
/**
* Overridden to do UTF-8 processing, and delegate to
* handleStringCall. If UTF-8 is not understood by this JVM, falls
* back to the platform default.
*/
public byte[] handleCall(byte[] requestBody, AMQP.BasicProperties replyProperties)
{
String request;
try {
request = new String(requestBody, STRING_ENCODING);
} catch (IOException _) {
request = new String(requestBody);
}
String reply = handleStringCall(request, replyProperties);
try {
return reply.getBytes(STRING_ENCODING);
} catch (IOException _) {
return reply.getBytes();
}
}
/**
* Delegates to handleStringCall(String).
*/
public String handleStringCall(String request, AMQP.BasicProperties replyProperties)
{
return handleStringCall(request);
}
/**
* Default implementation - override in subclasses. Returns the empty string.
*/
public String handleStringCall(String request)
{
return "";
}
/**
* Overridden to do UTF-8 processing, and delegate to
* handleStringCast. If requestBody cannot be interpreted as UTF-8
* tries the platform default.
*/
public void handleCast(byte[] requestBody)
{
try {
handleStringCast(new String(requestBody, STRING_ENCODING));
} catch (IOException _) {
handleStringCast(new String(requestBody));
}
}
/**
* Default implementation - override in subclasses. Does nothing.
*/
public void handleStringCast(String requestBody) {
// Do nothing.
}
}