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Java 返回指定bean类中属性的getter方法
返回指定bean类中属性的getter方法
实例源码：
源代码：
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/**3
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* JLibs: Common Utilities for Java5
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* Copyright (C) 2009 Santhosh Kumar T <santhosh.tekuri@gmail.com>7
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*9
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* This library is free software; you can redistribute it and/or11
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* modify it under the terms of the GNU Lesser General Public13
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* License as published by the Free Software Foundation; either15
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* version 2.1 of the License, or (at your option) any later version.17
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*19
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* This library is distributed in the hope that it will be useful,21
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* but WITHOUT ANY WARRANTY; without even the implied warranty of23
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU25
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* Lesser General Public License for more details.27
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*/29
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//package com.nowjava;31
/** 来自 N o w J a v a . c o m - 时 代 Java**/32
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import java.lang.reflect.Method;34
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import java.util.Locale;36
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public class Main {39
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public static void main(String[] argv) throws Exception {41
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Class beanClass = String.class;43
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String property = "nowjava.com";45
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System.out.println(getGetterMethod(beanClass, property));47
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}49
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/** prefix used by non-boolean getter methods */52
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public static final String GET = "get";54
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/** prefix used by boolean getter methods */56
/* 57
来自 58
*时代Java - nowjava.com*/59
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public static final String IS = "is";61
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/**64
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* Returns getter method for <code>property</code> in specified <code>beanClass</code>66
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*68
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* @param beanClass bean class70
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* @param property name of the property72
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*74
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* @return getter method. null if <code>property</code> is not found76
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*78
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* @see #getGetterMethod(Class, String, Class)80
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*/82
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public static Method getGetterMethod(Class<?> beanClass, String property) {84
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try {86
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return beanClass.getMethod(GET + getMethodSuffix(property));88
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} catch (NoSuchMethodException ex1) {90
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try {92
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return beanClass.getMethod(IS + getMethodSuffix(property));94
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} catch (NoSuchMethodException ex2) {96
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return null;98
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}100
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}102
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}104
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/**107
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* Returns getter method for <code>property</code> in specified <code>beanClass</code>109
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*111
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* @param beanClass bean class113
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* @param property name of the property115
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* @param propertyType type of the property. This is used to compute getter method name.117
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*119
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* @return getter method. null if <code>property</code> is not found121
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*123
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* @see #getGetterMethod(Class, String)125
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*/127
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public static Method getGetterMethod(Class<?> beanClass,129
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String property, Class propertyType) {131
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try {133
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try {135
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if (propertyType == boolean.class)137
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return beanClass.getMethod(IS139
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+ getMethodSuffix(property));141
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} catch (NoSuchMethodException ignore) {143
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// ignore145
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}147
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return beanClass.getMethod(GET + getMethodSuffix(property));149
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} catch (NoSuchMethodException ex) {151
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return null;153
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}155
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}157
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public static String getMethodSuffix(String property) {160
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switch (property.length()) {162
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case 0:164
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throw new IllegalArgumentException("invalid property name: "166
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+ property);168
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case 1:170
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return property.toUpperCase(Locale.ENGLISH);172
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default:174
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char char0 = property.charAt(0);176
/**代码未完, 请加载全部代码(NowJava.com).**/执行结果：
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