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/*******************************************************************************
* Copyright (c) 2013 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.gerrit.core.client;
import static java.lang.Integer.parseInt;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.core.runtime.Assert;
import org.osgi.framework.Version;
public class GerritVersion extends Version {
private static final Version VERSION_2_6_0 = new Version(2, 6, 0);
private static final Version VERSION_2_7_0 = new Version(2, 7, 0);
// e.g. 2.6 or 2.6.0
private static final Pattern MAJOR_MINOR_MICRO_VERSION_PATTERN = Pattern.compile("\\d+\\.\\d+(\\.\\d+)?"); //$NON-NLS-1$
// e.g. 2.6-rc3
private static final Pattern MAJOR_MINOR_QUALIFIER_VERSION_PATTERN = Pattern.compile("(\\d+)\\.(\\d+)-([-\\w]+)"); //$NON-NLS-1$
// e.g. 2.6.1-rc1
private static final Pattern MAJOR_MINOR_MICRO_QUALIFIER_VERSION_PATTERN = Pattern.compile("(\\d+)\\.(\\d+)\\.(\\d+)-([-\\w]+)"); //$NON-NLS-1$
public GerritVersion(String version) {
super(version);
}
public static Version parseGerritVersion(String version) {
Assert.isLegal(version != null);
Assert.isLegal(!version.isEmpty());
Matcher matcher = MAJOR_MINOR_MICRO_VERSION_PATTERN.matcher(version);
if (matcher.matches()) {
return Version.parseVersion(version);
}
matcher = MAJOR_MINOR_QUALIFIER_VERSION_PATTERN.matcher(version);
if (matcher.matches()) {
return new Version(parseInt(matcher.group(1)), parseInt(matcher.group(2)), 0, matcher.group(3));
}
matcher = MAJOR_MINOR_MICRO_QUALIFIER_VERSION_PATTERN.matcher(version);
if (matcher.matches()) {
return new Version(parseInt(matcher.group(1)), parseInt(matcher.group(2)), parseInt(matcher.group(3)),
matcher.group(4));
}
throw new IllegalArgumentException("Unrecognized version pattern : " + version); //$NON-NLS-1$
}
public static boolean isVersion26OrLater(Version version) {
return version.compareTo(VERSION_2_6_0) >= 0;
}
public static boolean isVersion27OrLater(Version version) {
return version.compareTo(VERSION_2_7_0) >= 0;
}
}
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