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/*******************************************************************************
* Copyright (c) 2004, 2010 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.bugzilla.rest.core;
import java.io.Serializable;
/**
* @author Frank Becker
*/
public class BugzillaRestVersion implements Comparable<BugzillaRestVersion>, Serializable {
private static final long serialVersionUID = 2027987556171301044L;
public final static BugzillaRestVersion MIN_VERSION = new BugzillaRestVersion("4.5.1+"); //$NON-NLS-1$
public final static BugzillaRestVersion BUGZILLA_4_5_1 = new BugzillaRestVersion("4.5.1+"); //$NON-NLS-1$
public final static BugzillaRestVersion BUGZILLA_5_0 = new BugzillaRestVersion("5.0"); //$NON-NLS-1$
public final static BugzillaRestVersion MAX_VERSION = BUGZILLA_5_0;
private final int major;
private final int minor;
private int micro;
private final boolean rc;
private final boolean plus;
public BugzillaRestVersion(String version) {
String[] segments;
if (version == null) {
segments = new String[0];
rc = false;
plus = false;
} else {
version = version.toUpperCase();
rc = version.contains("RC"); //$NON-NLS-1$
plus = version.contains("+"); //$NON-NLS-1$
if (plus) {
version = version.replace("+", ""); //$NON-NLS-1$ //$NON-NLS-2$
}
segments = rc ? version.split("(\\.|([R][C]))") : version.split("\\."); //$NON-NLS-1$ //$NON-NLS-2$
}
major = segments.length > 0 ? parse(segments[0]) : 0;
minor = segments.length > 1 ? parse(segments[1]) : 0;
micro = segments.length > 2 ? parse(segments[2]) : 0;
if (rc) {
micro -= 100;
}
}
private int parse(String segment) {
try {
return segment.length() == 0 ? 0 : Integer.parseInt(getVersion(segment));
} catch (NumberFormatException ex) {
return 0;
}
}
private String getVersion(String segment) {
int n = segment.indexOf('-');
return n == -1 ? segment : segment.substring(0, n);
}
public boolean isSmallerOrEquals(BugzillaRestVersion v) {
return compareTo(v) <= 0;
}
public boolean isSmaller(BugzillaRestVersion v) {
return compareTo(v) < 0;
}
public int compareTo(BugzillaRestVersion v) {
if (major < v.major) {
return -1;
} else if (major > v.major) {
return 1;
}
if (minor < v.minor) {
return -1;
} else if (minor > v.minor) {
return 1;
}
if (micro < v.micro) {
return -1;
} else if (micro > v.micro) {
return 1;
}
if (plus != v.plus) {
if (plus) {
return 1;
} else {
return -1;
}
}
return 0;
}
public int compareMajorMinorOnly(BugzillaRestVersion v) {
if (major < v.major) {
return -1;
} else if (major > v.major) {
return 1;
}
if (minor < v.minor) {
return -1;
} else if (minor > v.minor) {
return 1;
}
return 0;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(Integer.toString(major));
sb.append(".").append(Integer.toString(minor)); //$NON-NLS-1$
if (micro > 0) {
sb.append(".").append(Integer.toString(micro)); //$NON-NLS-1$
} else if (micro < 0) {
sb.append("rc").append(Integer.toString(micro + 100)); //$NON-NLS-1$
}
if (plus) {
sb.append("+"); //$NON-NLS-1$
}
return sb.toString();
}
}
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