package org.guyezhai.utils;import java.text.CharacterIterator;import java.text.StringCharacterIterator;public class StringUtils {		public static String htmlEncode(String aText){		final StringBuilder result = new StringBuilder();		final StringCharacterIterator iterator = new StringCharacterIterator(aText);		char character = iterator.current();		while (character != CharacterIterator.DONE) {			if (character == '<') {				result.append("<");			} else if (character == '>') {				result.append(">");			} else if (character == '&') {				result.append("&");			} else if (character == '\"') {				result.append(""");			} else {				result.append(character);			}			character = iterator.next();		}		return result.toString();	}}