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*
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*
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* 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
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*
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*
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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
*/
public class DecodeException extends Exception {
private final ByteBuffer bb;
private final 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 the part of the message most relevant to the decoding
* error, depending whether the application is using one
* of the streaming methods or not.
*
* @param bb the byte buffer containing the (part of) the message 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.encodedString = null;
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 the part of the message most relevant to the decoding error, depending
* whether the application is using one
* of the streaming methods or not.
*
* @param encodedString the string representing the (part of) the message 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;
this.bb = null;
}
/**
* Constructs a DecodedException with the given ByteBuffer that cannot
* be decoded, and reason why. The buffer may represent the
* whole message, or the part of the message most relevant to the decoding
* error, depending whether the application is using one
* of the streaming methods or not.
*
* @param bb the byte buffer containing the (part of) the message that
* could not be decoded.
* @param message the reason for the failure.
*/
public DecodeException(ByteBuffer bb, String message) {
super(message);
this.encodedString = null;
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 the part of the message most relevant to the decoding error, depending
* whether the application is using one
* of the streaming methods or not.
*
* @param encodedString the string representing the (part of) the message that
* could not be decoded.
* @param message the reason for the failure.
*/
public DecodeException(String encodedString, String message) {
super(message);
this.encodedString = encodedString;
this.bb = null;
}
/**
* Return the ByteBuffer containing either the whole message, or the partial message, that
* could not be decoded, or {@code null} if
* this exception arose from a failure to decode a text message.
*
* @return the binary data not decoded or {@code null} for text message failures.
*/
public ByteBuffer getBytes() {
return this.bb;
}
/**
* Return the encoded string that is either the whole message, or the partial
* message that could not be decoded, or {@code null} if
* this exception arose from a failure to decode a binary message..
*
* @return the text not decoded or {@code null} for binary message failures.
*/
public String getText() {
return this.encodedString;
}
}
