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1
5 package org.terracotta.dso.views;
6
7 import org.eclipse.core.resources.IFile;
8 import org.eclipse.core.resources.IProject;
9 import org.eclipse.core.resources.IResource;
10 import org.eclipse.core.resources.IResourceChangeEvent;
11 import org.eclipse.core.resources.IResourceChangeListener;
12 import org.eclipse.core.resources.IResourceDelta;
13 import org.eclipse.core.resources.IResourceDeltaVisitor;
14 import org.eclipse.core.resources.ResourcesPlugin;
15 import org.eclipse.core.runtime.CoreException;
16 import org.eclipse.core.runtime.IPath;
17 import org.eclipse.jdt.core.IJavaProject;
18 import org.eclipse.jdt.core.IType;
19 import org.eclipse.jdt.core.JavaCore;
20 import org.eclipse.jdt.core.JavaModelException;
21 import org.eclipse.jdt.internal.ui.JavaPluginImages;
22 import org.eclipse.jdt.launching.JavaRuntime;
23 import org.eclipse.jface.viewers.ISelection;
24 import org.eclipse.jface.viewers.ISelectionChangedListener;
25 import org.eclipse.jface.viewers.IStructuredContentProvider;
26 import org.eclipse.jface.viewers.ITableLabelProvider;
27 import org.eclipse.jface.viewers.LabelProvider;
28 import org.eclipse.jface.viewers.SelectionChangedEvent;
29 import org.eclipse.jface.viewers.StructuredSelection;
30 import org.eclipse.jface.viewers.TableViewer;
31 import org.eclipse.jface.viewers.Viewer;
32 import org.eclipse.swt.SWT;
33 import org.eclipse.swt.graphics.Image;
34 import org.eclipse.swt.widgets.Composite;
35 import org.eclipse.ui.IPartListener;
36 import org.eclipse.ui.IWorkbenchPart;
37 import org.eclipse.ui.IWorkbenchWindow;
38 import org.eclipse.ui.PlatformUI;
39 import org.eclipse.ui.part.ViewPart;
40 import org.terracotta.dso.BootJarHelper;
41 import org.terracotta.dso.JdtUtils;
42 import org.terracotta.dso.TcPlugin;
43 import org.terracotta.dso.actions.ActionUtil;
44
45 import java.io.File  ;
46 import java.io.IOException ;
47 import java.util.ArrayList ;
48 import java.util.Collections ;
49 import java.util.Enumeration ;
50 import java.util.zip.ZipEntry ;
51 import java.util.zip.ZipFile ;
52
53 public class BootJarView extends ViewPart
54 implements IResourceChangeListener,
55 IResourceDeltaVisitor,
56 ISelectionChangedListener,
57 IPartListener
58 {
59 public static final String ID_BOOTJAR_VIEW_PART = "org.terracotta.dso.ui.views.bootJarView";
60
61 private TableViewer viewer;
62 private IFile bootJarFile;
63 private IJavaProject lastJavaProject;
64 private static final String EMPTY_CONTENT_ELEM = "No boot JAR found.";
65 private static final Object [] EMPTY_CONTENT = {EMPTY_CONTENT_ELEM};
66
67 public BootJarView() {
68 super();
69 bootJarFile = getBootJarFile();
70 }
71
72 public void createPartControl(Composite parent) {
73 viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
74 viewer.setContentProvider(new ViewContentProvider());
75 viewer.setLabelProvider(new ViewLabelProvider());
76 viewer.setInput(getViewSite());
77 viewer.addSelectionChangedListener(this);
78 getSite().getPage().addPartListener(this);
79 ResourcesPlugin.getWorkspace().addResourceChangeListener(this);
80 }
81
82 class ViewContentProvider implements IStructuredContentProvider {
83 public void inputChanged(Viewer v, Object oldInput, Object newInput) {}
84
85 public void dispose() {}
86
87 public Object [] getElements(Object parent) {
88 ArrayList <String > list = new ArrayList <String >();
89
90 if(bootJarFile != null && !bootJarFile.isSynchronized(IResource.DEPTH_ZERO)) {
91 try {
92 bootJarFile.refreshLocal(IResource.DEPTH_ZERO, null);
93 } catch(CoreException ce) {}
94 }
95
96 String fileName = null;
97 String tip = "";
98 String desc = "";
99
100 if(bootJarFile == null ||
101 !bootJarFile.exists() ||
102 !bootJarFile.getProject().isOpen() ||
103 !TcPlugin.getDefault().hasTerracottaNature(bootJarFile.getProject()))
104 {
105 fileName = getDefaultBootJarPath();
106 tip = fileName;
107 desc = "System bootjar: " + new File(fileName).getName();
108 } else {
109 fileName = bootJarFile.getLocation().toOSString();
110 tip = desc = bootJarFile.getProject().getName() + IPath.SEPARATOR + bootJarFile.getName();
111 }
112
113 File file = new File(fileName);
114 setTitleToolTip(tip);
115 setContentDescription(desc);
116
117 if(fileName == null || !file.exists()) {
118 return EMPTY_CONTENT;
119 }
120
121 ZipFile zipFile = null;
122 try {
123 zipFile = new ZipFile (fileName);
124 Enumeration entries = zipFile.entries();
125 while(entries.hasMoreElements()) {
126 ZipEntry e = (ZipEntry )entries.nextElement();
127 String name = e.getName();
128
129 if(name.endsWith(".class") && !name.startsWith("com/tc")) {
130 name = name.substring(0, name.lastIndexOf('.')).replace('/', '.').replace('$', '.');
131 list.add(name);
132 }
133 }
134 } catch(IOException ioe) {
135 ioe.printStackTrace();
136 } finally {
137 if(zipFile != null) {
138 try {
139 zipFile.close();
140 } catch(IOException ioe) {}
141 }
142 }
143
144 Collections.sort(list);
145
146 return list.toArray();
147 }
148 }
149
150 class ViewLabelProvider extends LabelProvider implements
151 ITableLabelProvider {
152 public String getColumnText(Object obj, int index) {
153 return getText(obj);
154 }
155
156 public Image getColumnImage(Object obj, int index) {
157 return getImage(obj);
158 }
159
160 public Image getImage(Object obj) {
161 String imgName = (obj != EMPTY_CONTENT_ELEM) ? JavaPluginImages.IMG_OBJS_CLASS : JavaPluginImages.IMG_OBJS_REFACTORING_ERROR;
162 return JavaPluginImages.get(imgName);
163 }
164 }
165
166 public void setFocus() {
167 viewer.getControl().setFocus();
168 }
169
170 public IFile getBootJarFile() {
171 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
172
173 if(window != null) {
174 ISelection selection = window.getSelectionService().getSelection();
175
176 if(selection != null) {
177 IJavaProject javaProject = ActionUtil.locateSelectedJavaProject(selection);
178
179 if(javaProject != null) {
180 IProject project = javaProject.getProject();
181 IFile localBootJar = project.getFile(safeGetInstallBootJarName(javaProject));
182
183 if(localBootJar != null) {
184 lastJavaProject = javaProject;
185 return localBootJar;
186 }
187 }
188 }
189 }
190
191 return null;
192 }
193
194 private static String getDefaultBootJarPath() {
195 String bootJarName = safeGetInstallBootJarName();
196
197 if(bootJarName != null) {
198 IPath path = BootJarHelper.getHelper().getBootJarPath(bootJarName);
199 if(path != null) {
200 return path.toOSString();
201 }
202 }
203
204 return null;
205 }
206
207 private static String safeGetInstallBootJarName(IJavaProject javaProject) {
208 try {
209 String portablePath = null;
210 IPath jrePath = JavaRuntime.computeJREEntry(javaProject).getPath();
211 if(jrePath != null) {
212 portablePath = jrePath.toPortableString();
213 }
214 return BootJarHelper.getHelper().getBootJarName(portablePath);
215 } catch(CoreException ce) {
216 ce.printStackTrace();
217 return null;
218 }
219 }
220
221 private static String safeGetInstallBootJarName() {
222 try {
223 return BootJarHelper.getHelper().getBootJarName();
224 } catch(CoreException ce) {
225 ce.printStackTrace();
226 return null;
227 }
228 }
229
230 public boolean visit(IResourceDelta delta) {
231 if(viewer == null ||
232 viewer.getTable().isDisposed() ||
233 PlatformUI.getWorkbench().isClosing()) {
234 return false;
235 }
236
237 IResource res = delta.getResource();
238 if(res instanceof IProject) {
239 IProject project = (IProject)res;
240
241 if((delta.getKind() == IResourceDelta.ADDED &&
242 TcPlugin.getDefault().hasTerracottaNature(project)) ||
243 (delta.getFlags() & IResourceDelta.DESCRIPTION) != 0)
244 {
245 reset();
246 return false;
247 }
248 }
249
250 if(isAffected(delta)) {
251 reset();
252 return false;
253 }
254
255 return true;
256 }
257
258 private boolean isAffected(IResourceDelta delta) {
259 IResource res = delta.getResource();
260
261 if(res instanceof IFile) {
262 if(res.equals(bootJarFile)) {
263 return true;
264 }
265 }
266
267 IResourceDelta[] children = delta.getAffectedChildren();
268 for(int i = 0; i < children.length; i++) {
269 if(isAffected(children[i])) {
270 return true;
271 }
272 }
273
274 return false;
275 }
276
277 public void resourceChanged(final IResourceChangeEvent event){
278 int type = event.getType();
279
280 if(type == IResourceChangeEvent.PRE_DELETE ||
281 type == IResourceChangeEvent.PRE_CLOSE)
282 {
283 getSite().getShell().getDisplay().asyncExec(new Runnable () {
284 public void run(){
285 clear();
286 }
287 });
288 } else if(type == IResourceChangeEvent.POST_CHANGE) {
289 getSite().getShell().getDisplay().asyncExec(new Runnable () {
290 public void run(){
291 try {
292 bootJarFile = getBootJarFile();
293 event.getDelta().accept(BootJarView.this);
294 } catch(CoreException ce) {
295 ce.printStackTrace();
296 }
297 }
298 });
299 }
300 }
301
302 public void selectionChanged(SelectionChangedEvent event) {
303 ISelection sel = event.getSelection();
304
305 if(!sel.isEmpty() && bootJarFile != null) {
306 if(sel instanceof StructuredSelection) {
307 StructuredSelection ss = (StructuredSelection)sel;
308
309 if(ss.size() == 1) {
310 Object obj = ss.getFirstElement();
311
312 if(obj instanceof String ) {
313 String typeName = (String )obj;
314 try {
315 IJavaProject javaProject = JavaCore.create(bootJarFile.getProject());
316 IType type = JdtUtils.findType(javaProject, typeName);
317 if(type != null) {
318 ConfigUI.jumpToMember(type);
319 }
320 } catch(JavaModelException jme) {
321 jme.printStackTrace();
322 }
323 }
324 }
325 }
326 }
327 }
328
329 public void partActivated(IWorkbenchPart part) {
330 if(part != this) {
331 IWorkbenchWindow window = part.getSite().getWorkbenchWindow();
332
333 if(window != null) {
334 ISelection selection = window.getSelectionService().getSelection();
335
336 if(selection != null) {
337 IJavaProject javaProject = ActionUtil.locateSelectedJavaProject(selection);
338
339 if(javaProject != null && !javaProject.equals(lastJavaProject)) {
340 bootJarFile = getBootJarFile();
341 reset();
342 }
343 }
344 }
345 }
346 }
347
348 public void partBroughtToTop(IWorkbenchPart part) {}
349 public void partClosed(IWorkbenchPart part) {}
350 public void partDeactivated(IWorkbenchPart part) {}
351 public void partOpened(IWorkbenchPart part) {}
352
353 void reset() {
354 viewer.setContentProvider(new ViewContentProvider());
355 viewer.setInput(getViewSite());
356 }
357
358 void clear() {
359 bootJarFile = null;
360 reset();
361 }
362
363 public void dispose() {
364 viewer.removeSelectionChangedListener(this);
365 getSite().getPage().removePartListener(this);
366 ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
367
368 super.dispose();
369 }
370 }
371
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