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1 package org.appfuse.util;
2
3 import java.beans.PropertyDescriptor  ;
4 import java.util.Enumeration ;
5 import java.util.HashMap ;
6 import java.util.Iterator ;
7 import java.util.LinkedHashMap ;
8 import java.util.List ;
9 import java.util.Map ;
10 import java.util.Properties ;
11 import java.util.ResourceBundle ;
12
13 import org.apache.commons.beanutils.BeanUtils;
14 import org.apache.commons.beanutils.PropertyUtils;
15 import org.apache.commons.lang.StringUtils;
16 import org.apache.commons.logging.Log;
17 import org.apache.commons.logging.LogFactory;
18 import org.appfuse.model.BaseObject;
19 import org.appfuse.model.LabelValue;
20 import org.springframework.aop.support.AopUtils;
21
22
23
32 public final class ConvertUtil {
33
35 private static Log log = LogFactory.getLog(ConvertUtil.class);
36
37
39
44 public static Map convertBundleToMap(ResourceBundle rb) {
45 Map map = new HashMap ();
46
47 for (Enumeration keys = rb.getKeys(); keys.hasMoreElements();) {
48 String key = (String ) keys.nextElement();
49 map.put(key, rb.getString(key));
50 }
51
52 return map;
53 }
54
55 public static Map convertListToMap(List list) {
56 Map map = new LinkedHashMap ();
57
58 for (Iterator it = list.iterator(); it.hasNext();) {
59 LabelValue option = (LabelValue) it.next();
60 map.put(option.getLabel(), option.getValue());
61 }
62
63 return map;
64 }
65
66
71 public static Properties convertBundleToProperties(ResourceBundle rb) {
72 Properties props = new Properties ();
73
74 for (Enumeration keys = rb.getKeys(); keys.hasMoreElements();) {
75 String key = (String ) keys.nextElement();
76 props.put(key, rb.getString(key));
77 }
78
79 return props;
80 }
81
82
89 public static Object populateObject(Object obj, ResourceBundle rb) {
90 try {
91 Map map = convertBundleToMap(rb);
92
93 BeanUtils.copyProperties(obj, map);
94 } catch (Exception e) {
95 e.printStackTrace();
96 log.error("Exception occured populating object: " + e.getMessage());
97 }
98
99 return obj;
100 }
101
102
112 public static Object getOpposingObject(Object o) throws ClassNotFoundException ,
113 InstantiationException ,
114 IllegalAccessException {
115 String name = o.getClass().getName();
116
117 if (o instanceof BaseObject) {
118 if (log.isDebugEnabled()) {
119 log.debug("getting form equivalent of pojo...");
120 }
121
122 name = StringUtils.replace(name, ".model.", ".webapp.form.");
123 if (AopUtils.isCglibProxy(o)) {
124 name = name.substring(0, name.indexOf("$$"));
125 }
126 name += "Form";
127 } else {
128 if (log.isDebugEnabled()) {
129 log.debug("getting pojo equivalent of form...");
130 }
131 name = StringUtils.replace(name, ".webapp.form.", ".model.");
132 name = name.substring(0, name.lastIndexOf("Form"));
133 }
134
135 Class obj = Class.forName(name);
136
137 if (log.isDebugEnabled()) {
138 log.debug("returning className: " + obj.getName());
139 }
140
141 return obj.newInstance();
142 }
143
144
150 public static Object convert(Object o) throws Exception {
151 if (o == null) {
152 return null;
153 }
154 Object target = getOpposingObject(o);
155 BeanUtils.copyProperties(target, o);
156 return target;
157 }
158
159
167 public static Object convertLists(Object o) throws Exception {
168 if (o == null) {
169 return null;
170 }
171
172 Object target = null;
173
174 PropertyDescriptor [] origDescriptors =
175 PropertyUtils.getPropertyDescriptors(o);
176
177 for (int i = 0; i < origDescriptors.length; i++) {
178 String name = origDescriptors[i].getName();
179
180 if (origDescriptors[i].getPropertyType().equals(List .class)) {
181 List list = (List ) PropertyUtils.getProperty(o, name);
182 for (int j=0; j < list.size(); j++) {
183 Object origin = list.get(j);
184 target = convert(origin);
185 list.set(j, target);
186 }
187 PropertyUtils.setProperty(o, name, list);
188 }
189 }
190 return o;
191 }
192 }
193 |
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