org.apache.fop.Version Maven / Gradle / Ivy
/*
* 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.
*/
/* $Id: Version.java 1556164 2014-01-07 09:51:25Z vhennebert $ */
package org.apache.fop;
/**
* This class is used to evaluate the version information contained in the Manifest of FOP's JAR.
* Note that this class can only find the version information if it's in the org.apache.fop package
* as this package equals the one specified in the manifest.
*/
public final class Version {
private Version() { }
/**
* Get the version of FOP
* @return the version string
*/
public static String getVersion() {
String version = null;
Package jarinfo = Version.class.getPackage();
if (jarinfo != null) {
version = jarinfo.getImplementationVersion();
}
if (version == null) {
//Fallback if FOP is used in a development environment
// CSOFF: LineLength
String headURL = "$HeadURL: https://svn.apache.org/repos/asf/xmlgraphics/fop/branches/fop-2_6/fop-core/src/main/java/org/apache/fop/Version.java $";
// CSON: LineLength
version = headURL;
final String pathPrefix = "/xmlgraphics/fop/";
int pos = version.indexOf(pathPrefix);
if (pos >= 0) {
version = version.substring(pos + pathPrefix.length() - 1, version.length() - 2);
pos = version.indexOf("/src/");
version = version.substring(1, pos);
version = " " + version;
} else {
version = "";
}
version = "SVN" + version;
}
return version;
}
}