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/*
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.errors;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/** An exception detailing multiple reasons for failure. */
public class CompoundException extends Exception {
private static final long serialVersionUID = 1L;
private static String format(final Collection<Throwable> causes) {
final StringBuilder msg = new StringBuilder();
msg.append("Failure due to one of the following:");
for (final Throwable c : causes) {
msg.append(" ");
msg.append(c.getMessage());
msg.append("\n");
}
return msg.toString();
}
private final List<Throwable> causeList;
/**
* Constructs an exception detailing many potential reasons for failure.
*
* @param why
* Two or more exceptions that may have been the problem.
*/
public CompoundException(final Collection<Throwable> why) {
super(format(why));
causeList = Collections.unmodifiableList(new ArrayList<Throwable>(why));
}
/**
* Get the complete list of reasons why this failure happened.
*
* @return unmodifiable collection of all possible reasons.
*/
public List<Throwable> getAllCauses() {
return causeList;
}
}
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