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1
11 package org.eclipse.core.internal.resources;
12
13 import java.io.DataInputStream  ;
14 import java.io.IOException ;
15 import java.util.HashSet ;
16 import java.util.Set ;
17 import org.eclipse.core.internal.utils.Messages;
18 import org.eclipse.core.resources.IResourceStatus;
19 import org.eclipse.core.runtime.CoreException;
20 import org.eclipse.core.runtime.QualifiedName;
21 import org.eclipse.osgi.util.NLS;
22
23
27 public class SyncInfoReader {
28 protected Workspace workspace;
29 protected Synchronizer synchronizer;
30
31 public SyncInfoReader(Workspace workspace, Synchronizer synchronizer) {
32 super();
33 this.workspace = workspace;
34 this.synchronizer = synchronizer;
35 }
36
37
40 protected SyncInfoReader getReader(int formatVersion) throws IOException {
41 switch (formatVersion) {
42 case 2 :
43 return new SyncInfoReader_2(workspace, synchronizer);
44 case 3 :
45 return new SyncInfoReader_3(workspace, synchronizer);
46 default :
47 throw new IOException (NLS.bind(Messages.resources_format, new Integer (formatVersion)));
48 }
49 }
50
51 public void readPartners(DataInputStream input) throws CoreException {
52 try {
53 int size = input.readInt();
54 Set registry = new HashSet (size);
55 for (int i = 0; i < size; i++) {
56 String qualifier = input.readUTF();
57 String local = input.readUTF();
58 registry.add(new QualifiedName(qualifier, local));
59 }
60 synchronizer.setRegistry(registry);
61 } catch (IOException e) {
62 String message = NLS.bind(Messages.resources_readSync, e);
63 throw new ResourceException(new ResourceStatus(IResourceStatus.INTERNAL_ERROR, message));
64 }
65 }
66
67 public void readSyncInfo(DataInputStream input) throws IOException , CoreException {
68 int formatVersion = readVersionNumber(input);
71 SyncInfoReader reader = getReader(formatVersion);
72 reader.readSyncInfo(input);
73 }
74
75 protected static int readVersionNumber(DataInputStream input) throws IOException {
76 return input.readInt();
77 }
78 }
79 |
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