diff options
Diffstat (limited to 'qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/services/MessageTokenizer.java')
| -rw-r--r-- | qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/services/MessageTokenizer.java | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/services/MessageTokenizer.java b/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/services/MessageTokenizer.java deleted file mode 100644 index 9275255517..0000000000 --- a/qpid/java/management/client/src/main/java/org/apache/qpid/management/domain/services/MessageTokenizer.java +++ /dev/null @@ -1,152 +0,0 @@ -/*
-*
- * 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.qpid.management.domain.services;
-
-import java.io.IOException;
-import java.util.Enumeration;
-import java.util.Iterator;
-import java.util.LinkedList;
-
-import org.apache.qpid.api.Message;
-import org.apache.qpid.management.Messages;
-import org.apache.qpid.management.Protocol;
-import org.apache.qpid.nclient.util.ByteBufferMessage;
-import org.apache.qpid.transport.codec.BBDecoder;
-import org.apache.qpid.transport.util.Logger;
-
-/**
- * The message tokenizer class allows a multi message listener to break a
- * message into tokens where each token is itself a valid AMQP message.
- *
- * @author Andrea Gazzarini
- * @see QPID-1368
- */
-class MessageTokenizer implements Enumeration<Message>
-{
- private final static Logger LOGGER = Logger.get(MessageTokenizer.class);
-
- static byte [] MAGIC_NUMBER_BYTES;
-
- private LinkedList<Message> _messages = new LinkedList<Message>();
- private Iterator<Message> _iterator;
-
- static
- {
- try
- {
- MAGIC_NUMBER_BYTES = Protocol.MAGIC_NUMBER.getBytes("UTF-8");
- } catch(Exception exception)
- {
- throw new ExceptionInInitializerError(exception);
- }
- }
-
- /**
- * Builds a new Message tokenizer with the given message.
- * Note that if the given message is not a "compound" message this tokenizer will producer only one token;
- * That is, the token is a message equals to the given message.
- *
- * @param compoundMessage the compound message
- * @throws IOException when it's not possible to read the given message content.
- */
- MessageTokenizer(Message compoundMessage) throws IOException
- {
- build(compoundMessage);
- }
-
- public boolean hasMoreElements()
- {
- return _iterator.hasNext();
- }
-
- public Message nextElement()
- {
- return _iterator.next();
- }
-
- /**
- * Retruns the number of the tokens produced by this tokenizer.
- *
- * @return the number of the tokens produced by this tokenizer.
- */
- public int countTokens()
- {
- return _messages.size();
- }
-
- // Internal methods used for splitting the multi message byte array.
- int indexOf(byte[] source, int startIndex)
- {
- int currentSourceIndex;
- int currentExampleIndex;
-
- if (startIndex + 3 > source.length)
- return -1;
-
- for (currentSourceIndex = startIndex; currentSourceIndex <= source.length - 3; currentSourceIndex++)
- {
- for (currentExampleIndex = 0; currentExampleIndex < 3; currentExampleIndex++)
- {
- if (source[currentSourceIndex + currentExampleIndex] != MAGIC_NUMBER_BYTES[currentExampleIndex])
- break;
- }
-
- if (currentExampleIndex == 3)
- return currentSourceIndex;
- }
- return -1;
- }
-
- // Internal method used for building the tokens.
- private void build(Message compoundMessage) throws IOException
- {
- int startIndex = 0;
- int indexOfMagicNumber = 0;
-
- BBDecoder decoder = new BBDecoder();
- decoder.init(compoundMessage.readData());
- byte [] source = decoder.readReaminingBytes();
-
- int howManyTokens = 1;
-
- while ((indexOfMagicNumber = indexOf(source, startIndex+1)) != -1)
- {
- addMessageToken(source, startIndex, (indexOfMagicNumber-startIndex));
- startIndex = indexOfMagicNumber;
- howManyTokens++;
- }
- addMessageToken(source, startIndex, (source.length-startIndex));
- _iterator = _messages.iterator();
-
- LOGGER.debug(Messages.QMAN_200031_COMPOUND_MESSAGE_CONTAINS,howManyTokens);
- };
-
- // Builds & adds a new "message" token
- private void addMessageToken(byte [] source,int startIndex,int length) throws IOException
- {
- byte [] messageData = new byte[length];
- System.arraycopy(source, startIndex, messageData, 0, messageData.length);
- Message message = new ByteBufferMessage();
- message.appendData(messageData);
- _messages.add(message);
- }
-}
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