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1 package com.genimen.djeneric.web.util;
2
3 import java.io.BufferedReader  ;
4 import java.io.InputStream ;
5 import java.io.InputStreamReader ;
6 import java.io.UnsupportedEncodingException ;
7
8 import javax.xml.transform.Source ;
9 import javax.xml.transform.TransformerException ;
10 import javax.xml.transform.URIResolver ;
11 import javax.xml.transform.stream.StreamSource ;
12
13 import com.genimen.djeneric.util.DjLogger;
14
15 public class DjenericXslUriResolver implements URIResolver
16 {
17 private static final String CLASSPATH_PROTOCOL = "classpath:";
18
19 public DjenericXslUriResolver()
20 {
21 }
22
23 public Source resolve(String fileName, String base) throws TransformerException
24 {
25 if (base == null || base.indexOf("/") == -1) base = CLASSPATH_PROTOCOL;
26
27 if (base.toLowerCase().endsWith(".xsl") || base.toLowerCase().endsWith(".xslt")
28 || base.toLowerCase().endsWith(".xml"))
29 {
30 base = base.replace('\\', '/');
31 int idx = base.lastIndexOf("/");
32 if (idx != -1) base = base.substring(0, idx + 1);
33 }
34
35 if (!base.endsWith("/")) base += "/";
36
37 fileName = fileName.replace('\\', '/');
38
39 String subPath = "";
40 int idx = fileName.lastIndexOf("/");
41 if (idx != -1)
42 {
43 subPath = fileName.substring(0, idx + 1);
44 fileName = fileName.substring(idx + 1);
45 }
46
47 String basePath = base + subPath;
48 String absPath = basePath + fileName;
49
50 String actualName = absPath.substring(CLASSPATH_PROTOCOL.length());
51 InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(actualName);
52 if (is == null)
53 {
54 is = getClass().getResourceAsStream(actualName);
55 if (is == null) throw new TransformerException ("Stylesheet " + actualName + " not found (" + absPath + ")");
56 }
57
58 StreamSource ss;
59 try
60 {
61 ss = new StreamSource (new BufferedReader (new InputStreamReader (is, "UTF-8")));
62 }
63 catch (UnsupportedEncodingException e)
64 {
65 DjLogger.log(e);
66 ss = new StreamSource (new BufferedReader (new InputStreamReader (is)));
67 }
68 ss.setPublicId(absPath);
69 ss.setSystemId(absPath);
70 return ss;
71 }
72 } |
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Java API By Example, From Geeks To Geeks.