/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions copyright 2013 ForgeRock AS.
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*/
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package org.opends.server.util;
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import static org.opends.messages.ToolMessages.ERR_BUILDVERSION_NOT_FOUND;
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import static org.opends.messages.ToolMessages.ERR_BUILDVERSION_MALFORMED;
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import static org.opends.messages.ToolMessages.ERR_BUILDVERSION_MISMATCH;
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import static org.opends.server.config.ConfigConstants.CONFIG_DIR_NAME;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.Arrays;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.InitializationException;
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/**
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* Represents a particular version of OpenDJ useful for making comparisons
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* between versions.
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*/
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@org.opends.server.types.PublicAPI(
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stability = org.opends.server.types.StabilityLevel.VOLATILE,
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mayInstantiate = false, mayExtend = false, mayInvoke = true)
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public final class BuildVersion implements Comparable<BuildVersion>
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{
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private final int major;
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private final int minor;
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private final int point;
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private final long rev;
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private static final BuildVersion BINARY_VERSION = new BuildVersion(
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DynamicConstants.MAJOR_VERSION, DynamicConstants.MINOR_VERSION,
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DynamicConstants.POINT_VERSION, DynamicConstants.REVISION_NUMBER);
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/**
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* Returns the build version as specified by the dynamic constants.
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*
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* @return The build version as specified by the dynamic constants.
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*/
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public static BuildVersion binaryVersion()
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{
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return BINARY_VERSION;
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}
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/**
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* Reads the instance version from config/buildinfo.
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*
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* @return The instance version from config/buildinfo.
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* @throws InitializationException
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* If an error occurred while reading or parsing the version.
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*/
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public static BuildVersion instanceVersion() throws InitializationException
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{
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final String buildInfo =
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DirectoryServer.getInstanceRoot() + File.separator + CONFIG_DIR_NAME
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+ File.separator + "buildinfo";
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BufferedReader reader = null;
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try
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{
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reader = new BufferedReader(new FileReader(buildInfo));
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final String s = reader.readLine();
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if (s != null)
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{
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return valueOf(s);
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}
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else
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{
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throw new InitializationException(ERR_BUILDVERSION_MALFORMED
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.get(buildInfo));
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}
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}
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catch (IOException e)
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{
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throw new InitializationException(ERR_BUILDVERSION_NOT_FOUND
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.get(buildInfo));
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}
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catch (final IllegalArgumentException e)
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{
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throw new InitializationException(ERR_BUILDVERSION_MALFORMED
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.get(buildInfo));
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}
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finally
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{
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if (reader != null)
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{
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try
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{
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reader.close();
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}
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catch (final Exception e)
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{
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// Ignore.
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}
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}
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}
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}
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/**
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* Checks if the binary version is the same than the instance version.
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*
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* @throws InitializationException
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* Sends an exception if the version mismatch.
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*/
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public static void checkVersionMismatch() throws InitializationException
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{
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if (!BuildVersion.binaryVersion().toString().equals(
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BuildVersion.instanceVersion().toString()))
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{
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throw new InitializationException(ERR_BUILDVERSION_MISMATCH.get(
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BuildVersion.binaryVersion().toString(), BuildVersion
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.instanceVersion().toString()));
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}
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}
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/**
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* Parses the string argument as a build version. The string must be of the
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* form:
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*
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* <pre>
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* major.minor.point.rev
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* </pre>
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*
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* @param s
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* The string to be parsed as a build version.
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* @return The parsed build version.
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* @throws IllegalArgumentException
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* If the string does not contain a parsable build version.
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*/
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public static BuildVersion valueOf(final String s)
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throws IllegalArgumentException
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{
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final String[] fields = s.split("\\.");
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if (fields.length != 4)
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{
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throw new IllegalArgumentException("Invalid version string " + s);
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}
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final int major = Integer.parseInt(fields[0]);
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final int minor = Integer.parseInt(fields[1]);
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final int point = Integer.parseInt(fields[2]);
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final long rev = Long.parseLong(fields[3]);
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return new BuildVersion(major, minor, point, rev);
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}
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/**
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* Creates a new build version using the provided version information.
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*
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* @param major
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* Major release version number.
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* @param minor
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* Minor release version number.
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* @param point
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* Point release version number.
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* @param rev
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* VCS revision number.
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*/
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public BuildVersion(final int major, final int minor, final int point,
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final long rev)
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{
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this.major = major;
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this.minor = minor;
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this.point = point;
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this.rev = rev;
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}
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/**
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* {@inheritDoc}
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*/
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public int compareTo(final BuildVersion version)
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{
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if (major == version.major)
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{
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if (minor == version.minor)
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{
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if (point == version.point)
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{
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if (rev == version.rev)
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{
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return 0;
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}
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else if (rev < version.rev)
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{
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return -1;
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}
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}
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else if (point < version.point)
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{
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return -1;
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}
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}
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else if (minor < version.minor)
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{
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return -1;
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}
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}
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else if (major < version.major)
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{
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return -1;
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}
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return 1;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean equals(final Object obj)
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{
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if (this == obj)
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{
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return true;
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}
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else if (obj instanceof BuildVersion)
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{
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final BuildVersion other = (BuildVersion) obj;
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return (major == other.major) && (minor == other.minor)
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&& (point == other.point) && (rev == other.rev);
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}
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else
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{
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return false;
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}
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}
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/**
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* Returns the major release version number.
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*
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* @return The major release version number.
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*/
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public int getMajorVersion()
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{
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return major;
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}
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/**
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* Returns the minor release version number.
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*
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* @return The minor release version number.
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*/
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public int getMinorVersion()
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{
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return minor;
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}
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/**
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* Returns the point release version number.
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*
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* @return The point release version number.
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*/
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public int getPointVersion()
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{
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return point;
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}
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/**
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* Returns the VCS revision number.
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*
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* @return The VCS revision number.
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*/
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public long getRevisionNumber()
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{
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return rev;
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}
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/**
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* {@inheritDoc}
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*/
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public int hashCode()
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{
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return Arrays.hashCode(new int[] { major, minor, point, (int) (rev >>> 32),
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(int) (rev & 0xFFFFL) });
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}
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/**
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* {@inheritDoc}
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*/
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public String toString()
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{
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final StringBuilder builder = new StringBuilder();
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builder.append(major);
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builder.append('.');
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builder.append(minor);
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builder.append('.');
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builder.append(point);
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builder.append('.');
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builder.append(rev);
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return builder.toString();
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}
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}
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