/*
 * #%L
 * SciJava Common shared library for SciJava software.
 * %%
 * Copyright (C) 2009 - 2014 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, and Max Planck
 * Institute of Molecular Cell Biology and Genetics.
 * %%
 * 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.util;

/**
 * Useful methods for retrieving versions from JARs and POMs associated with
 * {@link Class} objects.
 *
 * @author Curtis Rueden
 * @author Mark Hiner
 */
public class VersionUtils {

	/**
	 * Looks up the version of the specified class using any means available. Will
	 * only search POMs in the base directory.
	 *
	 * @param c - Look up this Class's version
	 * @return Version of specified {@link Class} or null if not found.
	 */
	public static String getVersion(Class<?> c) {
		return getVersion(c, null, null);
	}

	/**
	 * Looks up the version of the specified class using any means available.
	 * {@code groupId} and {@code artifactId} allow specification of the POM
	 * lookup path.
	 *
	 * @param c - Look up this Class's version
	 * @param groupId - GroupID containing class
	 * @param artifactId - ArtifactID containing class
	 * @return Version of specified {@link Class} or null if not found.
	 */
	public static String
		getVersion(Class<?> c, String groupId, String artifactId)
	{
		final String pomVersion = getVersionFromPOM(c, groupId, artifactId);
		return pomVersion != null ? pomVersion : getVersionFromManifest(c);
	}

	/**
	 * Looks up the version of the specified class using a JAR manifest if
	 * available.
	 *
	 * @param c - Look up this Class's version
	 * @return Version of specified {@link Class} or null if not found.
	 */
	public static String getVersionFromManifest(Class<?> c) {
		final Manifest m = Manifest.getManifest(c);
		if (m == null) return null;
		final String manifestVersion = m.getImplementationVersion();
		return manifestVersion == null ? null : m.getSpecificationVersion();
	}

	/**
	 * Looks up the version of the specified class using the specified POM, or
	 * base POM directory if {@code groupId} and {@code artifactId} are
	 * {@code null}.
	 *
	 * @param c - Look up this Class's version
	 * @param groupId - GroupID containing class
	 * @param artifactId - ArtifactID containing class
	 * @return Version of specified {@link Class} or null if not found.
	 */
	public static String getVersionFromPOM(Class<?> c, String groupId,
		String artifactId)
	{
		final POM pom = POM.getPOM(c, groupId, artifactId);
		return pom == null ? null : pom.getVersion();
	}
}

@@ -2073,32 +2073,38 @@
 ring getVersion(
+final 
 Class%3C?%3E c) %7B%0A%09%09
@@ -2101,16 +2101,16 @@
 ?%3E c) %7B%0A
-
 %09%09return
@@ -2553,19 +2553,17 @@
 c String
-%0A%09%09
+ 
 getVersi
@@ -2565,16 +2565,22 @@
 Version(
+final 
 Class%3C?%3E
@@ -2574,32 +2574,38 @@
 inal Class%3C?%3E c,
+ final
  String groupId,
@@ -2604,16 +2604,24 @@
 groupId,
+%0A%09%09final
  String 
@@ -3039,16 +3039,22 @@
 anifest(
+final 
 Class%3C?%3E
@@ -3701,16 +3701,22 @@
 FromPOM(
+final 
 Class%3C?%3E
@@ -3718,16 +3718,24 @@
 ss%3C?%3E c,
+%0A%09%09final
  String 
@@ -3742,19 +3742,23 @@
 groupId,
-%0A%09%09
+ final 
 String a

add missing final keywords