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1 package com.tirsen.nanning.attribute;
2
3 import java.io.IOException  ;
4 import java.io.InputStream ;
5 import java.net.MalformedURLException ;
6 import java.util.Properties ;
7
8 public class PropertyFileAttributeLoader implements AttributesLoader {
9 public static final String ATTRIBUTE_FILE_SUFFIX = ".attributes";
10
11 public void load(ClassAttributes classAttributes) {
12 ClassPropertiesHelper classPropertiesHelper = new ClassPropertiesHelper(classAttributes);
13 classPropertiesHelper.loadAttributes(getProperties(classAttributes.getAttributeClass()));
14 }
15
16 Properties getProperties(Class klass) {
17 Properties properties = new Properties ();
18 InputStream inputStream = null;
19 try {
20 String className = klass.getName();
21
22 inputStream = Attributes.findFile(klass, ClassPropertiesHelper.className(klass) + ATTRIBUTE_FILE_SUFFIX);
24 if (inputStream == null) {
25 inputStream = Attributes.findFile(klass, className.replace('.', '/') + ATTRIBUTE_FILE_SUFFIX);
26 }
27
28 if (inputStream != null) {
29 properties.load(inputStream);
30 }
31
32 } catch (MalformedURLException e) {
33 throw new AttributeException("Error fetching properties for " + klass, e);
34 } catch (IOException e) {
35 throw new AttributeException("Error fetching properties for " + klass, e);
36 } catch (AttributeException e) {
37 throw e;
38 } catch (Exception e) {
39 throw new AttributeException("Error fetching properties for " + klass, e);
40 } finally {
41 if (inputStream != null) {
42 try {
43 inputStream.close();
44 } catch (IOException e) {
45 throw new RuntimeException (e);
46 }
47 }
48 }
49 return properties;
50 }
51
52 }
53 |
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