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Unit Standard (JSR 363) Reference Implementation.
There is a newer version: 1.0.3
/**
 *  Unit-API - Units of Measurement API for Java
 *  Copyright (c) 2005-2014, Jean-Marie Dautelle, Werner Keil, V2COM.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. Neither the name of JSR-363 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 HOLDER 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 tec.units.ri.util;

/**
 * A static helper class, checking e.g. if some tests require optional console
 * output XXX this could have options for using a logging framework or replaced by one
 * @version 0.9.4, $Date: 2014-05-28 $
 * @author Werner Keil
 */
public abstract class OutputHelper {
	static final String CONSOLE_OUTPUT = "consoleOutput"; //$NON-NLS-1$

	public static boolean isConsoleOutput() {
		return ("true".equals(System.getProperty(CONSOLE_OUTPUT))); //$NON-NLS-1$
	}

	public static void print(String message) {
		if (isConsoleOutput()) {
			System.out.print(message);
		}
	}

	public static void println(String message) {
		if (isConsoleOutput()) {
			System.out.println(message);
		}
	}

	public static void print(Object object) {
		print(String.valueOf(object));
	}

	public static void println(Object object) {
		println(String.valueOf(object));
	}

	/**
	 * This is a Fantom-style convenience method for console output
	 */
	public static void echo(Object obj) {
		println(obj);
	}

	/**
	 * This is a Fantom-style convenience method for console output
	 */
	public static void echo(String str) {
		println(str);
	}
}