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JSR 356: Java API for WebSocket
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
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* enclosed by brackets [] replaced by your own identifying information:
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* recipient has the option to distribute your version of this file under
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*/
package javax.websocket;
import java.nio.ByteBuffer;
/**
* A general exception that occurs when trying to decode a custom object from a text or binary message.
*
* @author dannycoward
* @since DRAFT 002
*/
public class DecodeException extends Exception {
private ByteBuffer bb;
private String encodedString;
private static final long serialVersionUID = 006;
/**
* Constructor with the binary data that could not be decoded, and the reason why it failed to be, and the cause. The buffer may represent the whole message,
* or part of the message, depending whether the application is using one
* of the streaming methods or not.
*
* @param bb the byte buffer with the data that could not be decoded.
* @param message the reason for the failure.
* @param cause the cause of the error.
*/
public DecodeException(ByteBuffer bb, String message, Throwable cause) {
super(message, cause);
this.bb = bb;
}
/**
* Constructor with the text data that could not be decoded, and the reason why it failed to be, and the cause. The encoded string may represent the whole message,
* or part of the message, depending whether the application is using one
* of the streaming methods or not.
*
* @param encodedString the string that could not be decoded.
* @param message the reason for the failure.
* @param cause the cause of the error.
*/
public DecodeException(String encodedString, String message, Throwable cause) {
super(message, cause);
this.encodedString = encodedString;
}
/**
* Constructs a DecodedException with the given ByteBuffer that cannot
* be decoded, and reason why. The buffer may represent the whole message,
* or part of the message, depending whether the application is using one
* of the streaming methods or not.
*
* @param bb the byte buffer with the data that could not be decoded.
* @param message the reason for the failure.
*/
public DecodeException(ByteBuffer bb, String message) {
super(message);
this.bb = bb;
}
/**
* Constructs a DecodedException with the given encoded string that cannot
* be decoded, and reason why. The encoded string may represent the whole message,
* or part of the message, depending whether the application is using one
* of the streaming methods or not.
*
* @param encodedString the string that could not be decoded.
* @param message the reason for the failure.
*/
public DecodeException(String encodedString, String message) {
super(message);
this.encodedString = encodedString;
}
/**
* Return the ByteBuffer that cannot be decoded or null if
* this exception arose from a failure to decode a text message.
*
* @return the data not decoded or null for text message failures.
*/
public ByteBuffer getBytes() {
return this.bb;
}
/**
* Return the encoded string that cannot be decoded or null if
* this exception arose from a failure to decode a binary message..
*
* @return the text not decoded or null for binary message failures.
*/
public String getText() {
return this.encodedString;
}
}