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Common functionality widely used across SciJava modules.
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/*-
 * #%L
 * Common functionality widely used across SciJava modules.
 * %%
 * Copyright (C) 2021 - 2024 SciJava developers.
 * %%
 * 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.
 * 
 * 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 HOLDERS 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.
 * #L%
 */

package org.scijava.common3;

/**
 * Useful methods for platform-specific interrogation.
 *
 * @author Curtis Rueden
 * @author Johannes Schindelin
 */
public final class Platforms {

	private Platforms() {
		// prevent instantiation of utility class
	}

	/** Whether the operating system is Windows-based. */
	public static boolean isWindows() {
		return osName().startsWith("Win");
	}

	/** Whether the operating system is Mac-based. */
	public static boolean isMac() {
		return osName().startsWith("Mac");
	}

	/** Whether the operating system is Linux-based. */
	public static boolean isLinux() {
		return osName().startsWith("Linux");
	}

	/** Whether the operating system is POSIX compliant. */
	public static boolean isPOSIX() {
		return isMac() || isLinux();
	}

	// -- Helper methods --

	private static String osName() {
		final String osName = System.getProperty("os.name");
		return osName == null ? "" : osName;
	}

}