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17 package org.eclipse.team.internal.core;
18
19 import java.util.*;
20
21 import org.eclipse.core.resources.*;
22 import org.eclipse.core.runtime.*;
23 import org.eclipse.team.core.RepositoryProvider;
24 import org.eclipse.team.core.RepositoryProviderType;
25
26
30 public final class TeamResourceChangeListener implements IResourceChangeListener {
31
32 private static final Map metaFilePaths;
34 static {
35 metaFilePaths = new HashMap();
36 String  [] ids = RepositoryProvider.getAllProviderTypeIds();
37 for (int i = 0; i < ids.length; i++) {
38 String id = ids[i];
39 IPath[] paths = TeamPlugin.getMetaFilePaths(id);
40 if (paths != null) {
41 metaFilePaths.put(id, paths);
42 }
43 }
44 }
45
46 public void resourceChanged(IResourceChangeEvent event) {
47 IResourceDelta[] projectDeltas = event.getDelta().getAffectedChildren();
48 for (int i = 0; i < projectDeltas.length; i++) {
49 IResourceDelta delta = projectDeltas[i];
50 IResource resource = delta.getResource();
51 IProject project = resource.getProject();
52 if (!RepositoryProvider.isShared(project)) {
53 handleUnsharedProjectChanges(project, delta);
55 } else {
56 if (delta.getKind() != IResourceDelta.ADDED) continue;
59 if ((delta.getFlags() & IResourceDelta.MOVED_FROM) == 0) continue;
60 RepositoryProvider provider = RepositoryProvider.getProvider(project);
62 if (provider == null) continue;
63 if (provider.getProject().equals(project)) continue;
65 provider.setProject(project);
67 }
68 }
69 }
70
71 private void handleUnsharedProjectChanges(IProject project, IResourceDelta delta) {
72 String repositoryId = null;
73 Set metaFileContainers = new HashSet();
74 Set badIds = new HashSet();
75 IFile[] files = getAddedFiles(delta);
76 for (int i = 0; i < files.length; i++) {
77 IFile file = files[i];
78 String typeId = getMetaFileType(file);
79 if (typeId != null) {
80 if (repositoryId == null) {
82 repositoryId = typeId;
83 } else if (!repositoryId.equals(typeId) && !badIds.contains(typeId)) {
84 TeamPlugin.log(IStatus.WARNING, "Meta files for two repository types (" + repositoryId + " and " + typeId + " was found in project " + project.getName() + ".", null); badIds.add(typeId);
86 }
87 if (typeId.equals(repositoryId)) {
88 IContainer container = getContainer(typeId, file);
89 metaFileContainers.add(container);
90 }
91 }
92 }
93 if (repositoryId != null) {
94 RepositoryProviderType type = RepositoryProviderType.getProviderType(repositoryId);
95 type.metaFilesDetected(project, (IContainer[]) metaFileContainers.toArray(new IContainer[metaFileContainers.size()]));
96 }
97 }
98
99 private IContainer getContainer(String typeId, IFile file) {
100 IPath[] paths = (IPath[])metaFilePaths.get(typeId);
101 IPath foundPath = null;
102 IPath projectRelativePath = file.getProjectRelativePath();
103 for (int i = 0; i < paths.length; i++) {
104 IPath path = paths[i];
105 if (isSuffix(projectRelativePath, path)) {
106 foundPath = path;
107 }
108 }
109 IResource resource = file;
110 if (foundPath != null) {
111 for (int i = 0; i < foundPath.segmentCount(); i++) {
112 resource = resource.getParent();
113 }
114 }
115 if (resource.getType() == IResource.FILE) {
116 return file.getParent();
117 }
118 return (IContainer)resource;
119 }
120
121 private String getMetaFileType(IFile file) {
122 for (Iterator iter = metaFilePaths.keySet().iterator(); iter.hasNext();) {
123 String id = (String ) iter.next();
124 IPath[] paths = (IPath[])metaFilePaths.get(id);
125 for (int i = 0; i < paths.length; i++) {
126 IPath path = paths[i];
127 if (isSuffix(file.getProjectRelativePath(), path)) {
128 return id;
129 }
130 }
131 }
132 return null;
133 }
134
135 private boolean isSuffix(IPath path, IPath suffix) {
136 if (path.segmentCount() < suffix.segmentCount())
137 return false;
138 for (int i = 0; i < suffix.segmentCount(); i++) {
139 if (!suffix.segment(i).equals(path.segment(path.segmentCount() - suffix.segmentCount() + i))) {
140 return false;
141 }
142 }
143 return true;
144 }
145
146 private IFile[] getAddedFiles(IResourceDelta delta) {
147 final List result = new ArrayList();
148 try {
149 delta.accept(new IResourceDeltaVisitor() {
150 public boolean visit(IResourceDelta delta) throws CoreException {
151 if ((delta.getKind() & IResourceDelta.ADDED) != 0
152 && delta.getResource().getType() == IResource.FILE) {
153 result.add(delta.getResource());
154 }
155 return true;
156 }
157 });
158 } catch (CoreException e) {
159 TeamPlugin.log(IStatus.ERROR, "An error occurred while scanning for meta-file changes", e); }
161 return (IFile[]) result.toArray(new IFile[result.size()]);
162 }
163 } |
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