diff options
Diffstat (limited to 'java/java/common/src/org/apache/qpid/framing/AMQMethodBody.java')
-rw-r--r-- | java/java/common/src/org/apache/qpid/framing/AMQMethodBody.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/java/java/common/src/org/apache/qpid/framing/AMQMethodBody.java b/java/java/common/src/org/apache/qpid/framing/AMQMethodBody.java new file mode 100644 index 0000000000..c3e02aed56 --- /dev/null +++ b/java/java/common/src/org/apache/qpid/framing/AMQMethodBody.java @@ -0,0 +1,90 @@ +/* + * + * 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.framing; + +import org.apache.mina.common.ByteBuffer; +import org.apache.qpid.AMQChannelException; + +public abstract class AMQMethodBody extends AMQBody +{ + public static final byte TYPE = 1; + + /** unsigned short */ + protected abstract int getBodySize(); + + /** + * @return unsigned short + */ + protected abstract int getClazz(); + + /** + * @return unsigned short + */ + protected abstract int getMethod(); + + protected abstract void writeMethodPayload(ByteBuffer buffer); + + protected byte getType() + { + return TYPE; + } + + protected int getSize() + { + return 2 + 2 + getBodySize(); + } + + protected void writePayload(ByteBuffer buffer) + { + EncodingUtils.writeUnsignedShort(buffer, getClazz()); + EncodingUtils.writeUnsignedShort(buffer, getMethod()); + writeMethodPayload(buffer); + } + + protected abstract void populateMethodBodyFromBuffer(ByteBuffer buffer) throws AMQFrameDecodingException; + + protected void populateFromBuffer(ByteBuffer buffer, long size) throws AMQFrameDecodingException + { + populateMethodBodyFromBuffer(buffer); + } + + public String toString() + { + StringBuffer buf = new StringBuffer(getClass().toString()); + buf.append(" Class: ").append(getClazz()); + buf.append(" Method: ").append(getMethod()); + return buf.toString(); + } + + /** + * Creates an AMQChannelException for the corresponding body type (a channel exception + * should include the class and method ids of the body it resulted from). + */ + public AMQChannelException getChannelException(int code, String message) + { + return new AMQChannelException(code, message, getClazz(), getMethod()); + } + + public AMQChannelException getChannelException(int code, String message, Throwable cause) + { + return new AMQChannelException(code, message, getClazz(), getMethod(), cause); + } +} |