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1
4 package org.oddjob.framework;
5
6 import java.io.IOException  ;
7 import java.io.InputStream ;
8 import java.util.Enumeration ;
9 import java.util.Properties ;
10
11 import org.apache.commons.beanutils.BeanUtilsBean;
12 import org.apache.commons.beanutils.ConvertUtilsBean;
13 import org.apache.commons.beanutils.Converter;
14 import org.apache.commons.beanutils.PropertyUtilsBean;
15 import org.oddjob.arooa.ArooaException;
16
17 public class BeanUtilsProvider {
18
19 public static BeanUtilsBean beanFor(String classDefFileName) {
20 Properties props = new Properties ();
21 try {
22 InputStream in = BeanUtilsProvider.class.getResourceAsStream(classDefFileName);
23 if (in == null) {
24 throw new ArooaException("No resource [" + classDefFileName + "]");
25 }
26 props.load(in);
27 in.close();
28 return beanFor(props);
29 } catch (IOException e) {
30 throw new RuntimeException (e);
31 }
32 }
33
34 public static BeanUtilsBean beanFor(Properties properties) {
35 BeanUtilsBean beanUtilsBean = new BeanUtilsBean(
36 new ConvertUtilsBean(), new PropertyUtilsBean());
37 try {
38 for (Enumeration e = properties.keys() ; e.hasMoreElements() ;) {
39 String key = (String )e.nextElement();
40 String val = (String )properties.get(key);
41 Class converterClass = Class.forName(key);
42 Converter converter = (Converter) converterClass.newInstance();
43 Class converterFor = Class.forName(val);
44 beanUtilsBean.getConvertUtils().register(converter, converterFor);
45 }
46 return beanUtilsBean;
47 } catch (ClassNotFoundException e) {
48 throw new RuntimeException (e);
49 } catch (IllegalAccessException e) {
50 throw new RuntimeException (e);
51 } catch (InstantiationException e) {
52 throw new RuntimeException (e);
53 }
54 }
55 }
56 |
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