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Kuali Utilities

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/**
 * Copyright 2010-2014 The Kuali Foundation
 *
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 *
 * 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.kuali.common.util.base;

import static java.lang.String.format;

/**
 * 
 * Utility methods for creating {@code IllegalStateException's} and {@code IllegaArgumentException's} with richly formatted error messages.
 * 
 * 
 * Example usage:
 * 
 *  * throw Exceptions.illegalArgument("port must be >= %s and <= %s", 0, 65535);
 * 
 */
public class Exceptions {

	public static IllegalStateException illegalState(Throwable cause) {
		return new IllegalStateException(cause);
	}

	public static IllegalStateException illegalState(String msg) {
		return new IllegalStateException(msg);
	}

	public static IllegalStateException illegalState(String msg, Object... args) {
		return new IllegalStateException(formattedMessage(msg, args));
	}

	public static IllegalStateException illegalState(Throwable cause, String msg, Object... args) {
		return new IllegalStateException(formattedMessage(msg, args), cause);
	}

	public static IllegalArgumentException illegalArgument(Throwable cause) {
		return new IllegalArgumentException(cause);
	}

	public static IllegalArgumentException illegalArgument(String msg) {
		return new IllegalArgumentException(msg);
	}

	public static IllegalArgumentException illegalArgument(String msg, Object... args) {
		return new IllegalArgumentException(formattedMessage(msg, args));
	}

	public static IllegalArgumentException illegalArgument(Throwable cause, String msg, Object... args) {
		return new IllegalArgumentException(formattedMessage(msg, args), cause);
	}

	protected static String formattedMessage(String msg, Object... args) {
		if (args == null || args.length == 0) {
			return msg;
		} else {
			return format(msg, args);
		}
	}

}