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1
7 package fr.jayasoft.ivy.repository.url;
8
9 import java.io.File  ;
10 import java.io.IOException ;
11 import java.net.URL ;
12 import java.util.ArrayList ;
13 import java.util.Collections ;
14 import java.util.HashMap ;
15 import java.util.List ;
16 import java.util.ListIterator ;
17 import java.util.Map ;
18
19 import fr.jayasoft.ivy.repository.AbstractRepository;
20 import fr.jayasoft.ivy.repository.RepositoryCopyProgressListener;
21 import fr.jayasoft.ivy.repository.Resource;
22 import fr.jayasoft.ivy.repository.TransferEvent;
23 import fr.jayasoft.ivy.url.ApacheURLLister;
24 import fr.jayasoft.ivy.util.FileUtil;
25
26 public class URLRepository extends AbstractRepository {
27 private RepositoryCopyProgressListener _progress = new RepositoryCopyProgressListener(this);
28 private Map _resourcesCache = new HashMap ();
29
30 public Resource getResource(String source) throws IOException {
31 Resource res = (Resource)_resourcesCache.get(source);
32 if (res == null) {
33 res = new URLResource(new URL (source));
34 _resourcesCache.put(source, res);
35 }
36 return res;
37 }
38
39 public void get(String source, File destination) throws IOException {
40 fireTransferInitiated(getResource(source), TransferEvent.REQUEST_GET);
41 try {
42 Resource res = getResource(source);
43 long totalLength = res.getContentLength();
44 if (totalLength > 0) {
45 _progress.setTotalLength(new Long (totalLength));
46 }
47 FileUtil.copy(new URL (source), destination, _progress);
48 } catch (IOException ex) {
49 fireTransferError(ex);
50 throw ex;
51 } catch (RuntimeException ex) {
52 fireTransferError(ex);
53 throw ex;
54 } finally {
55 _progress.setTotalLength(null);
56 }
57 }
58
59 public void put(File source, String destination, boolean overwrite) throws IOException {
60 throw new UnsupportedOperationException ("URL repository is not able to put files for the moment");
61 }
62
63 private ApacheURLLister _lister = new ApacheURLLister();
64 public List list(String parent) throws IOException {
65 if (parent.startsWith("http")) {
66 List urls = _lister.listAll(new URL (parent));
67 if (urls != null) {
68 List ret = new ArrayList (urls.size());
69 for (ListIterator iter = urls.listIterator(); iter.hasNext();) {
70 URL url = (URL )iter.next();
71 ret.add(url.toExternalForm());
72 }
73 return ret;
74 }
75 } else if (parent.startsWith("file")) {
76 String path = new URL (parent).getPath();
77 File file = new File (path);
78 if (file.exists() && file.isDirectory()) {
79 String [] files = file.list();
80 List ret = new ArrayList (files.length);
81 URL context = path.endsWith("/") ? new URL (parent) : new URL (parent+"/");
82 for (int i = 0; i < files.length; i++) {
83 ret.add(new URL (context, files[i]).toExternalForm());
84 }
85 return ret;
86 } else {
87 return Collections.EMPTY_LIST;
88 }
89
90 }
91 return null;
92 }
93
94 }
95 |
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