1 package org.testng.util; 2 3 import org.testng.collections.Lists; 4 import org.testng.collections.Maps; 5 6 import java.util.List; 7 import java.util.Map; 8 9 public class Strings { isNullOrEmpty(String string)10 public static boolean isNullOrEmpty(String string) { 11 return string == null || string.length() == 0; // string.isEmpty() in Java 6 12 } 13 14 private static List<String> ESCAPE_HTML_LIST = Lists.newArrayList( 15 "&", "&", 16 "<", "<", 17 ">", ">" 18 ); 19 20 private static final Map<String, String> ESCAPE_HTML_MAP = Maps.newLinkedHashMap(); 21 22 static { 23 for (int i = 0; i < ESCAPE_HTML_LIST.size(); i += 2) { ESCAPE_HTML_LIST.get(i)24 ESCAPE_HTML_MAP.put(ESCAPE_HTML_LIST.get(i), ESCAPE_HTML_LIST.get(i + 1)); 25 } 26 } 27 escapeHtml(String text)28 public static String escapeHtml(String text) { 29 String result = text; 30 for (Map.Entry<String, String> entry : ESCAPE_HTML_MAP.entrySet()) { 31 result = result.replace(entry.getKey(), entry.getValue()); 32 } 33 return result; 34 } 35 main(String[] args)36 public static void main(String[] args) { 37 System.out.println(escapeHtml("10 < 20 && 30 > 20")); 38 } 39 } 40