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1
4 package org.terracotta.dso;
5
6 import org.eclipse.core.filebuffers.FileBuffers;
7 import org.eclipse.core.filebuffers.IDocumentSetupParticipant;
8 import org.eclipse.core.filebuffers.IFileBuffer;
9 import org.eclipse.core.filebuffers.IFileBufferListener;
10 import org.eclipse.core.resources.IFile;
11 import org.eclipse.core.runtime.IPath;
12 import org.eclipse.jdt.core.ICompilationUnit;
13 import org.eclipse.jdt.core.JavaCore;
14 import org.eclipse.jface.text.IDocument;
15 import org.eclipse.ui.PlatformUI;
16
17 import java.util.ArrayList  ;
18 import java.util.Iterator ;
19
20
27
28 public class JavaSetupParticipant implements IDocumentSetupParticipant {
29 private static JavaSetupParticipant m_setupParticipant;
30 private ArrayList <IFile> m_fileList;
31
32 public JavaSetupParticipant() {
33 m_setupParticipant = this;
34 m_fileList = new ArrayList <IFile>();
35
36 FileBuffers.getTextFileBufferManager().addFileBufferListener(
37 new IFileBufferListener() {
38 public void bufferCreated(IFileBuffer buffer) {
39 IFile file = fileForBuffer(buffer);
40
41 if(file != null && shouldInspect(file)) {
42 m_fileList.add(file);
43 PlatformUI.getWorkbench().getDisplay().asyncExec(new Inspector(file));
44 }
45 }
46
47 public void bufferDisposed(IFileBuffer buffer) {
48 IFile file = fileForBuffer(buffer);
49
50 if(file != null) {
51 m_fileList.remove(file);
52 }
53 }
54
55 public void underlyingFileMoved(IFileBuffer buffer, IPath path) {
56 IFile file;
57 Iterator iter = m_fileList.iterator();
58
59 while(iter.hasNext()) {
60 file = (IFile)iter.next();
61
62 if(!file.exists()) {
63 iter.remove();
64 }
65 }
66
67 m_fileList.add(FileBuffers.getWorkspaceFileAtLocation(path));
68 }
69
70 public void underlyingFileDeleted(IFileBuffer buffer) {
71 IFile file = fileForBuffer(buffer);
72
73 if(file != null) {
74 m_fileList.remove(file);
75 }
76 }
77
78 public void bufferContentAboutToBeReplaced(IFileBuffer buffer) {}
79 public void bufferContentReplaced(IFileBuffer buffer) {}
80 public void stateChanging(IFileBuffer buffer) {}
81 public void dirtyStateChanged(IFileBuffer buffer, boolean isDirty) {}
82 public void stateValidationChanged(IFileBuffer buffer, boolean isStateValidated) {}
83 public void stateChangeFailed(IFileBuffer buffer) {}
84 });
85 }
86
87 private IFile fileForBuffer(IFileBuffer buffer) {
88 return FileBuffers.getWorkspaceFileAtLocation(buffer.getLocation());
89 }
90
91 private boolean shouldInspect(IFile file) {
92 IPath path = file.getLocation();
93 String extension = path.getFileExtension();
94
95 return extension.equals("java") &&
96 TcPlugin.getDefault().hasTerracottaNature(file.getProject());
97 }
98
99 public void setup(IDocument document) {}
100
101 class Inspector implements Runnable {
102 private IFile m_file;
103
104 Inspector(IFile file) {
105 m_file = file;
106 }
107
108 public void run() {
109 if(m_file.exists()) {
110 ICompilationUnit cu = JavaCore.createCompilationUnitFrom(m_file);
111
112 if(cu != null) {
113 TcPlugin.getDefault().inspect(cu);
114 }
115 }
116 }
117 }
118
119 protected void inspectAllBuffers() {
120 IFile file;
121 Iterator iter = m_fileList.iterator();
122
123 while(iter.hasNext()) {
124 file = (IFile)iter.next();
125
126 if(file.exists()) {
127 PlatformUI.getWorkbench().getDisplay().asyncExec(new Inspector(file));
128 }
129 else {
130 iter.remove();
131 }
132 }
133 }
134
135
141 public static void inspectAll() {
142 if(m_setupParticipant != null) {
143 m_setupParticipant.inspectAllBuffers();
144 }
145 }
146 }
147
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