org.eclipse.tycho.versions.engine.Versions Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2011 Sonatype Inc. and others.
* 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:
* Sonatype Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.tycho.versions.engine;
import java.io.File;
import org.osgi.framework.Version;
public class Versions {
private static final String SUFFIX_QUALIFIER = ".qualifier";
private static final String SUFFIX_SNAPSHOT = "-SNAPSHOT";
public static String toCanonicalVersion(String version) {
if (version == null) {
return null;
}
if (version.endsWith(SUFFIX_SNAPSHOT)) {
return version.substring(0, version.length() - SUFFIX_SNAPSHOT.length()) + SUFFIX_QUALIFIER;
}
return version;
}
/**
* Returns the version without trailing ".qualifier" or "-SNAPSHOT".
*/
public static String toBaseVersion(String version) {
if (version == null) {
return null;
}
if (version.endsWith(SUFFIX_SNAPSHOT)) {
return version.substring(0, version.length() - SUFFIX_SNAPSHOT.length());
}
if (version.endsWith(SUFFIX_QUALIFIER)) {
return version.substring(0, version.length() - SUFFIX_QUALIFIER.length());
}
return version;
}
public static void assertIsOsgiVersion(String version) throws NumberFormatException, IllegalArgumentException,
NullPointerException {
new Version(version);
}
public static String toMavenVersion(String version) {
if (version == null) {
return null;
}
if (version.endsWith(SUFFIX_QUALIFIER)) {
return version.substring(0, version.length() - SUFFIX_QUALIFIER.length()) + SUFFIX_SNAPSHOT;
}
return version;
}
public static boolean isVersionEquals(String a, String b) {
return eq(toCanonicalVersion(a), toCanonicalVersion(b));
}
public static String validateOsgiVersion(String version, File location) {
try {
Versions.assertIsOsgiVersion(Versions.toCanonicalVersion(version));
} catch (RuntimeException e) {
return String.format("Version %s is not valid for %s", version, location);
}
return null;
}
public static boolean eq(T a, T b) {
return a != null ? a.equals(b) : b == null;
}
}