/*******************************************************************************
* Copyright (c) 2013 Red Hat, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.core.archetype;
import org.codehaus.plexus.util.StringUtils;
import org.apache.maven.archetype.catalog.Archetype;
/**
* Helper class to handle {@link Archetype}s.
*
* @author Fred Bricon
* @provisional This class is provisional and can be changed, moved or removed without notice
* @since 1.3
*/
public class ArchetypeUtil {
/**
* Checks {@link Archetype} equality by testing <code>groupId</code>, <code>artifactId</code> and <code>version</code>
*/
public static boolean areEqual(Archetype one, Archetype another) {
if(one == another) {
return true;
}
if(another == null) {
return false;
}
return StringUtils.equals(one.getGroupId(), another.getGroupId())
&& StringUtils.equals(one.getArtifactId(), another.getArtifactId())
&& StringUtils.equals(one.getVersion(), another.getVersion());
}
/**
* Computes an {@link Archetype} hashcode from the original {@link Archetype#hashCode()} result plus the
* {@link Archetype#getVersion()} hashcode. Returns -1 if the archetype is null.
*/
public static int getHashCode(Archetype archetype) {
if(archetype == null) {
return -1;
}
int hashCode = archetype.hashCode();
String version = archetype.getVersion();
if(version != null) {
hashCode += 31 * version.hashCode();
}
return hashCode;
}
}