/*
 * Copyright (C) 2007-2012 Argeo GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.argeo;

/** Argeo Commons specific exception. */
public class ArgeoException extends RuntimeException {
	private static final long serialVersionUID = 1L;

	/** Creates an exception with a message. */
	public ArgeoException(String message) {
		super(message);
	}

	/** Creates an exception with a message and a root cause. */
	public ArgeoException(String message, Throwable e) {
		super(message, e);
	}

	/**
	 * Chain the messages of all causes (one per line, <b>starts with a line
	 * return</b>) without all the stack
	 */
	public static String chainCausesMessages(Throwable t) {
		StringBuffer buf = new StringBuffer();
		chainCauseMessage(buf, t);
		return buf.toString();
	}

	/** Recursive chaining of messages */
	private static void chainCauseMessage(StringBuffer buf, Throwable t) {
		buf.append('\n').append(' ').append(t.getClass().getCanonicalName())
				.append(": ").append(t.getMessage());
		if (t.getCause() != null)
			chainCauseMessage(buf, t.getCause());
	}
}