Here you can find the source of stringToMap(String source, String delimiter)
public static Map<String, String> stringToMap(String source, String delimiter) throws IllegalArgumentException
//package com.java2s; /**//from ww w . j a v a 2 s . co m * Copyright 2015 The opentsdb Authors * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. */ import java.util.HashMap; import java.util.Map; public class Main { public static Map<String, String> stringToMap(String source, String delimiter) throws IllegalArgumentException { String[] fieldsArray = source.split(delimiter); Map<String, String> fields = new HashMap(); if (fieldsArray.length == 4) { fields.put("accessKey", fieldsArray[0]); fields.put("digest", fieldsArray[1]); fields.put("date", fieldsArray[2]); fields.put("nonce", fieldsArray[3]); } else { throw new IllegalArgumentException("Improperly formatted Authorization Header: " + source); } return fields; } }