Java tutorial
//package com.java2s; /* * Copyright (C) 2010-2111 sunjumper@163.com * * 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. * */ public class Main { private static String[] parseKeyValue(String source, int beginIndex, int endIndex) { int point = -1; for (int i = beginIndex; i <= endIndex; i++) { char c = source.charAt(i); if (c == '=' || c == ':') { point = i; break; } } if (point == -1) { return new String[] { source.substring(beginIndex, endIndex + 1), "" }; } int lp = point - 1; int rp = point + 1; while (lp > beginIndex && Character.isWhitespace(source.charAt(lp))) lp--; while (rp < endIndex && Character.isWhitespace(source.charAt(rp))) rp++; return new String[] { point == beginIndex ? "" : source.substring(beginIndex, lp + 1), point == endIndex ? "" : source.substring(rp, endIndex + 1) }; } }