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// Copyright 2007 The Android Open Source Project
package com.google.wireless.gdata;
/**
* The base exception for GData operations.
*/
public class GDataException extends Exception {
private final Throwable cause;
/**
* Creates a new empty GDataException.
*/
public GDataException() {
super();
cause = null;
}
/**
* Creates a new GDataException with the supplied message.
* @param message The message for this GDataException.
*/
public GDataException(String message) {
super(message);
cause = null;
}
/**
* Creates a new GDataException with the supplied message and underlying
* cause.
*
* @param message The message for this GDataException.
* @param cause The underlying cause that was caught and wrapped by this
* GDataException.
*/
public GDataException(String message, Throwable cause) {
super(message);
this.cause = cause;
}
/**
* Creates a new GDataException with the underlying cause.
*
* @param cause The underlying cause that was caught and wrapped by this
* GDataException.
*/
public GDataException(Throwable cause) {
this("", cause);
}
/**
* @return the cause of this GDataException or null if the cause is unknown.
*/
public Throwable getCause() {
return cause;
}
/**
* @return a string representation of this exception.
*/
public String toString() {
return super.toString() + (cause != null ? " " + cause.toString() : "");
}
}
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