MethodComparator.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.kernel.util; 24 25 import java.lang.reflect.Method; 26 27 import java.util.Comparator; 28 29 /** 30 * <a href="MethodComparator.java.html"><b><i>View Source</i></b></a> 31 * 32 * @author Shuyang Zhou 33 * @author Brian Wing Shun Chan 34 */ 35 public class MethodComparator implements Comparator<Method> { 36 37 public int compare(Method method1, Method method2) { 38 String name1 = method1.getName(); 39 String name2 = method2.getName(); 40 41 int value = name1.compareTo(name2); 42 43 if (value != 0){ 44 return value; 45 } 46 47 Class<?>[] parameterTypes1 = method1.getParameterTypes(); 48 Class<?>[] parameterTypes2 = method2.getParameterTypes(); 49 50 int index = 0; 51 52 while ((index < parameterTypes1.length) && 53 (index < parameterTypes2.length)) { 54 55 Class<?> parameterType1 = parameterTypes1[index]; 56 Class<?> parameterType2 = parameterTypes2[index]; 57 58 String parameterTypeName1 = parameterType1.getName(); 59 String parameterTypeName2 = parameterType2.getName(); 60 61 value = parameterTypeName1.compareTo(parameterTypeName2); 62 63 if (value != 0) { 64 return value; 65 } 66 67 index++; 68 } 69 70 if (index < (parameterTypes1.length -1)) { 71 return -1; 72 } 73 else { 74 return 1; 75 } 76 } 77 78 }