1 package com.jf.ftp;
2
3 import java.lang.reflect.Field;
4 import java.lang.reflect.Method;
5 import java.util.ArrayList;
6 import java.util.HashMap;
7 import java.util.List;
8 import java.util.Map;
9
10 import org.apache.log4j.Logger;
11
12 public class ObjectUtil {
13
14 private static Logger log = Logger.getLogger(NewFtpUtil.class);
15
16 /**
17 * 根据属性名获取属性值
18 * */
19 private Object getFieldValueByName(String fieldName, Object o) {
20 try {
21 String firstLetter = fieldName.substring(0, 1).toUpperCase();
22 String getter = "get" + firstLetter + fieldName.substring(1);
23 Method method = o.getClass().getMethod(getter, new Class[] {});
24 Object value = method.invoke(o, new Object[] {});
25 return value;
26 } catch (Exception e) {
27 log.error(e.getMessage(), e);
28 return null;
29 }
30 }
31
32 /**
33 * 获取属性名数组
34 * */
35 private String[] getFiledName(Object o) {
36 Field[] fields = o.getClass().getDeclaredFields();
37 String[] fieldNames = new String[fields.length];
38 for (int i = 0; i < fields.length; i++) {
39 System.out.println(fields[i].getType());
40 fieldNames[i] = fields[i].getName();
41 }
42 return fieldNames;
43 }
44
45 /**
46 * 获取属性类型(type)，属性名(name)，属性值(value)的map组成的list
47 * */
48 private List getFiledsInfo(Object o) {
49 Field[] fields = o.getClass().getDeclaredFields();
50 String[] fieldNames = new String[fields.length];
51 List list = new ArrayList();
52 Map infoMap = null;
53 for (int i = 0; i < fields.length; i++) {
54 infoMap = new HashMap();
55 infoMap.put("type", fields[i].getType().toString());
56 infoMap.put("name", fields[i].getName());
57 infoMap.put("value", getFieldValueByName(fields[i].getName(), o));
58 list.add(infoMap);
59 }
60 return list;
61 }
62
63 /**
64 * 获取对象的所有属性值，返回一个对象数组
65 * */
66 public Object[] getFiledValues(Object o) {
67 String[] fieldNames = this.getFiledName(o);
68 Object[] value = new Object[fieldNames.length];
69 for (int i = 0; i < fieldNames.length; i++) {
70 value[i] = this.getFieldValueByName(fieldNames[i], o);
71 }
72 return value;
73 }
74 }
