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Version.java
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Version.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.zookeeper;
public class Version implements org.apache.zookeeper.version.Info {
/*
* Since the SVN to Git port this field doesn't return the revision anymore
* TODO: remove this method and associated field declaration in VerGen
* @see {@link #getHashRevision()}
* @return the default value -1
*/
@Deprecated
public static int getRevision() {
return REVISION;
}
public static String getRevisionHash() {
return REVISION_HASH;
}
public static String getBuildDate() {
return BUILD_DATE;
}
public static String getVersion() {
return MAJOR + "." + MINOR + "." + MICRO
+ (QUALIFIER == null ? "" : "-" + QUALIFIER);
}
public static String getVersionRevision() {
return getVersion() + "-" + getRevisionHash();
}
public static String getFullVersion() {
return getVersionRevision() + ", built on " + getBuildDate();
}
public static void printUsage() {
System.out
.print("Usage:\tjava -cp ... org.apache.zookeeper.Version "
+ "[--full | --short | --revision],\n\tPrints --full version "
+ "info if no arg specified.");
System.exit(1);
}
/**
* Prints the current version, revision and build date to the standard out.
*
* @param args
* <ul>
* <li> --short - prints a short version string "1.2.3"
* <li> --revision - prints a short version string with the SVN
* repository revision "1.2.3-94"
* <li> --full - prints the revision and the build date
* </ul>
*/
public static void main(String[] args) {
if (args.length > 1) {
printUsage();
}
if (args.length == 0 || (args.length == 1 && args[0].equals("--full"))) {
System.out.println(getFullVersion());
System.exit(0);
}
if (args[0].equals("--short"))
System.out.println(getVersion());
else if (args[0].equals("--revision"))
System.out.println(getVersionRevision());
else
printUsage();
System.exit(0);
}
}