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1
4 package org.terracotta.dso;
5
6 import org.eclipse.core.resources.IFile;
7 import org.eclipse.core.resources.IProject;
8 import org.eclipse.core.resources.IResource;
9 import org.eclipse.core.resources.IResourceDelta;
10 import org.eclipse.core.resources.IResourceDeltaVisitor;
11 import org.eclipse.core.runtime.IPath;
12 import org.eclipse.core.runtime.IProgressMonitor;
13 import org.eclipse.core.runtime.IStatus;
14 import org.eclipse.core.runtime.Status;
15 import org.eclipse.core.runtime.jobs.Job;
16
17
27
28 public class ResourceDeltaVisitor implements IResourceDeltaVisitor {
29 private static final boolean debug =
30 Boolean.getBoolean("ResourceDeltaVisitor.debug");
31
32 public boolean visit(IResourceDelta delta) {
33 final TcPlugin plugin = TcPlugin.getDefault();
34 int kind = delta.getKind();
35 int flags = delta.getFlags();
36 IResource res = delta.getResource();
37 final IProject project = res.getProject();
38
39 if(debug) {
40 dump(delta);
41 }
42
43 if(!plugin.hasTerracottaNature(project)) {
44 return true;
45 }
46
47 switch(kind) {
48 case IResourceDelta.CHANGED: {
49 if((flags & IResourceDelta.CONTENT) != 0) {
50 if(res instanceof IFile) {
51 IFile file = (IFile)res;
52 IPath path = file.getLocation();
53 String  ext = path.getFileExtension();
54
55 if(ext.equals("xml")) {
56 if((flags & IResourceDelta.MARKERS) != 0) {
57 return false;
58 }
59 if(plugin.getConfigurationFile(project).equals(res) &&
60 plugin.getConfigurationEditor(project) == null)
61 {
62 try {
63 new Job("Reloading DSO Configuration") {
64 public IStatus run(IProgressMonitor monitor) {
65 plugin.reloadConfiguration(project);
66 return Status.OK_STATUS;
67 }
68 }.schedule();
69 } catch(Exception e) {}
70 return false;
71 }
72 }
73 }
74 }
75 break;
76 }
77 case IResourceDelta.ADDED: {
78 if((flags & IResourceDelta.MOVED_FROM) != 0) {
79 if(res instanceof IFile) {
80 plugin.fileMoved((IFile)res, delta.getMovedFromPath());
81 }
82 }
83 else if(res instanceof IProject) {
84 IProject aProject = (IProject)res;
85
86 if(plugin.getConfigurationFile(aProject) == null) {
87 plugin.staleProjectAdded(aProject);
88 }
89 }
90 break;
91 }
92 case IResourceDelta.REMOVED: {
93 if((flags & IResourceDelta.MOVED_TO) == 0) {
94 if(res instanceof IFile) {
95 plugin.fileRemoved((IFile)res);
96 }
97 }
98 break;
99 }
100 }
101
102 return true;
103 }
104
105 private void dump(IResourceDelta delta) {
106 int kind = delta.getKind();
107 int flags = delta.getFlags();
108 StringBuffer sb = new StringBuffer ();
109
110 sb.append(delta.getResource().getFullPath());
111
112 switch(kind) {
113 case IResourceDelta.NO_CHANGE:
114 sb.append(" NO_CHANGE");
115 break;
116 case IResourceDelta.ADDED:
117 sb.append(" ADDED");
118 break;
119 case IResourceDelta.REMOVED:
120 sb.append(" REMOVED");
121 break;
122 case IResourceDelta.CHANGED:
123 sb.append(" CHANGED");
124 break;
125 case IResourceDelta.ADDED_PHANTOM:
126 sb.append(" ADDED_PHANTOM");
127 break;
128 case IResourceDelta.REMOVED_PHANTOM:
129 sb.append(" REMOVED_PHANTOM");
130 break;
131 }
132
133 if((flags & IResourceDelta.CONTENT) != 0) {
134 sb.append(" CONTENT");
135 }
136 if((flags & IResourceDelta.MOVED_FROM) != 0) {
137 sb.append(" MOVED_FROM");
138 }
139 if((flags & IResourceDelta.MOVED_TO) != 0) {
140 sb.append(" MOVED_TO");
141 }
142 if((flags & IResourceDelta.OPEN) != 0) {
143 sb.append(" OPEN");
144 }
145 if((flags & IResourceDelta.TYPE) != 0) {
146 sb.append(" TYPE");
147 }
148 if((flags & IResourceDelta.SYNC) != 0) {
149 sb.append(" SYNC");
150 }
151 if((flags & IResourceDelta.MARKERS) != 0) {
152 sb.append(" MARKERS");
153 }
154 if((flags & IResourceDelta.REPLACED) != 0) {
155 sb.append(" REPLACED");
156 }
157 if((flags & IResourceDelta.DESCRIPTION) != 0) {
158 sb.append(" DESCRIPTION");
159 }
160 if((flags & IResourceDelta.ENCODING) != 0) {
161 sb.append(" ENCODING");
162 }
163
164 System.out.println(sb.toString());
165 }
166 }
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