Java tutorial
//package com.java2s; /** * Copyright 2005-2014 Red Hat, Inc. * * Red Hat 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. */ import java.util.HashMap; import java.util.Map; public class Main { protected static Map<Character, String> encodingMap = new HashMap<Character, String>(); public static String escape(String text) { StringBuffer sb = new StringBuffer(); for (char c : text.toCharArray()) { escape(c, sb); } return sb.toString(); } private static StringBuffer escape(char c, StringBuffer buffer) { String encoded = encodingMap.get(c); return buffer.append(encoded == null ? Character.toString(c) : encoded); } }