/*
* Copyright 2016 NAVER Corp.
*
* 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.navercorp.pinpoint.bootstrap;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
/**
* @author Woonduk Kang(emeroad)
*/
public class ArgsParser {
public Map<String, String> parse(String args) {
if (isEmpty(args)) {
return Collections.emptyMap();
}
final Map<String, String> map = new HashMap<String, String>();
Scanner scanner = new Scanner(args);
scanner.useDelimiter("\\s*,\\s*");
while (scanner.hasNext()) {
String token = scanner.next();
int assign = token.indexOf('=');
if (assign == -1) {
map.put(token, "");
} else {
String key = token.substring(0, assign);
String value = token.substring(assign + 1);
map.put(key, value);
}
}
scanner.close();
return Collections.unmodifiableMap(map);
}
private boolean isEmpty(String args) {
return args == null || args.isEmpty();
}
}