org.apache.openjpa.lib.util.svn.SVNUtils Maven / Gradle / Ivy
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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.openjpa.lib.util.svn;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class SVNUtils {
static final Pattern fullRevisionPattern = Pattern.compile("(([0-9]*:)?)[0-9]+(([MSms]+)?)");
static final Pattern revisionPattern = Pattern.compile("[0-9]+");
/**
* A public worker method that takes the output from running the svnversion command and parses the trailing integer
* version out.
*
* For example: 959691:959709M would return 959709
*
* @param svninfo
* @return The formatted int version, or -1 if svninfo is null or unparsable.
*/
public static int svnInfoToInteger(String svninfo) {
if (svninfo == null || fullRevisionPattern.matcher(svninfo).matches() == false) {
return -1;
}
// We only want to look after ":"
int index = svninfo.indexOf(":");
if(index != -1){
svninfo = svninfo.substring(index+1);
}
Matcher matcher = revisionPattern.matcher(svninfo);
if(matcher.find()){
return Integer.parseInt(matcher.group());
}
return -1;
}
}