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/*******************************************************************************
* Copyright (c) 2005, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.signedcontent;
import java.io.IOException;
/**
* Indicates that signed content is invalid according to one of the signers.
* @since 3.4
* @noextend This class is not intended to be subclassed by clients.
*/
public class InvalidContentException extends IOException {
private static final long serialVersionUID = -399150159330289387L;
// TODO may want to add error codes to indicate the reason for the invalid/corruption error.
private final Throwable cause;
/**
* Constructs an <code>InvalidContentException</code> with the specified detail
* message and cause.
*
* @param message the exception message
* @param cause the cause, may be <code>null</code>
*/
public InvalidContentException(String message, Throwable cause) {
super(message);
this.cause = cause;
}
/**
* Returns the cause of this exception or <code>null</code> if no cause
* was specified when this exception was created.
*
* @return The cause of this exception or <code>null</code> if no cause was created.
*/
public Throwable getCause() {
return cause;
}
/**
* The cause of this exception can only be set when constructed.
*
* @param t Cause of the exception.
* @return This object.
* @throws java.lang.IllegalStateException This method will always throw an
* <code>IllegalStateException</code> since the cause of this
* exception can only be set when constructed.
*/
public Throwable initCause(Throwable t) {
throw new IllegalStateException();
}
}
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