diff options
Diffstat (limited to 'java/common/src/main/java/org/apache/qpid/framing/AMQMethodBody.java')
-rw-r--r-- | java/common/src/main/java/org/apache/qpid/framing/AMQMethodBody.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/java/common/src/main/java/org/apache/qpid/framing/AMQMethodBody.java b/java/common/src/main/java/org/apache/qpid/framing/AMQMethodBody.java new file mode 100644 index 0000000000..841295e538 --- /dev/null +++ b/java/common/src/main/java/org/apache/qpid/framing/AMQMethodBody.java @@ -0,0 +1,87 @@ +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * Licensed 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); + } +} |