/*
* Licensed 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 com.github.sakserv.minicluster.yarn.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
/**
* @author Oleg Zhurakousky
*
*/
public class ExecJavaCliParser {
private final OptionParser optionParser;
private final OptionSpec<String> xVmOptions;
private final OptionSpec<String> sysPropOptions;
private final OptionSpec<String> mainArgumentsOptions;
private final OptionSet optionSet;
private final List<String> mainArguments;
private String main;
/**
*
* @param line
*/
public ExecJavaCliParser(String line){
this.optionParser = new OptionParser("D:X:");
this.optionParser.allowsUnrecognizedOptions();
this.xVmOptions = this.optionParser.accepts("X").withRequiredArg();
this.sysPropOptions = this.optionParser.accepts("D").withRequiredArg();
this.mainArgumentsOptions = this.optionParser.nonOptions();
this.optionSet = this.optionParser.parse(line.split(" "));
Pattern p = Pattern.compile("([\\p{L}_$][\\p{L}\\p{N}_$]*\\.)*[\\p{L}_$][\\p{L}\\p{N}_$]*");
this.mainArguments = new ArrayList<String>(this.mainArgumentsOptions.values(this.optionSet));
Iterator<String> mainArgumentsIter = this.mainArguments.iterator();
boolean mainFound = false;
while (mainArgumentsIter.hasNext()){
String value = mainArgumentsIter.next();
Matcher m = p.matcher(value);
boolean matches = m.matches();
if (matches && !mainFound){
mainFound = true;
this.main = value;
mainArgumentsIter.remove();
break;
}
else if (!mainFound){
mainArgumentsIter.remove();
}
}
}
public String[] getXValues(){
return this.xVmOptions.values(this.optionSet).toArray(new String[]{});
}
public String[] getSysProperties(){
return this.sysPropOptions.values(this.optionSet).toArray(new String[]{});
}
public String getMain() {
return this.main;
}
public String[] getMainArguments() {
return this.mainArguments.toArray(new String[]{});
}
}