Source Code Cross Referenced for LauncherUtils.java in  » IDE-Eclipse » Eclipse-plug-in-development » org » eclipse » pde » internal » ui » launcher » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Eclipse » Eclipse plug in development » org.eclipse.pde.internal.ui.launcher 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * Copyright (c) 2003, 2007 IBM Corporation and others.
003:         * All rights reserved. This program and the accompanying materials
004:         * are made available under the terms of the Eclipse Public License v1.0
005:         * which accompanies this distribution, and is available at
006:         * http://www.eclipse.org/legal/epl-v10.html
007:         *
008:         * Contributors:
009:         *     IBM Corporation - initial API and implementation
010:         *******************************************************************************/package org.eclipse.pde.internal.ui.launcher;
011:
012:        import java.io.File;
013:        import java.io.FileInputStream;
014:        import java.io.FileOutputStream;
015:        import java.io.IOException;
016:        import java.util.ArrayList;
017:        import java.util.HashSet;
018:        import java.util.Iterator;
019:        import java.util.Properties;
020:        import java.util.Set;
021:        import java.util.Stack;
022:        import java.util.StringTokenizer;
023:
024:        import org.eclipse.core.resources.IProject;
025:        import org.eclipse.core.resources.IResource;
026:        import org.eclipse.core.resources.ResourcesPlugin;
027:        import org.eclipse.core.runtime.CoreException;
028:        import org.eclipse.core.runtime.IPath;
029:        import org.eclipse.core.runtime.IProgressMonitor;
030:        import org.eclipse.core.runtime.IStatus;
031:        import org.eclipse.core.runtime.OperationCanceledException;
032:        import org.eclipse.core.runtime.Path;
033:        import org.eclipse.core.runtime.Status;
034:        import org.eclipse.debug.core.ILaunchConfiguration;
035:        import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
036:        import org.eclipse.jdt.core.IClasspathEntry;
037:        import org.eclipse.jdt.core.IJavaProject;
038:        import org.eclipse.jdt.core.JavaCore;
039:        import org.eclipse.jdt.core.JavaModelException;
040:        import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
041:        import org.eclipse.jface.dialogs.IDialogConstants;
042:        import org.eclipse.jface.dialogs.MessageDialog;
043:        import org.eclipse.jface.preference.IPreferenceStore;
044:        import org.eclipse.ltk.core.refactoring.Change;
045:        import org.eclipse.osgi.util.NLS;
046:        import org.eclipse.pde.core.plugin.IPluginModelBase;
047:        import org.eclipse.pde.core.plugin.PluginRegistry;
048:        import org.eclipse.pde.internal.core.DependencyManager;
049:        import org.eclipse.pde.internal.core.PDECore;
050:        import org.eclipse.pde.internal.core.WorkspaceModelManager;
051:        import org.eclipse.pde.internal.core.util.CoreUtility;
052:        import org.eclipse.pde.internal.ui.IPDEUIConstants;
053:        import org.eclipse.pde.internal.ui.IPreferenceConstants;
054:        import org.eclipse.pde.internal.ui.PDEPlugin;
055:        import org.eclipse.pde.internal.ui.PDEUIMessages;
056:        import org.eclipse.pde.internal.ui.wizards.tools.OrganizeManifestsProcessor;
057:        import org.eclipse.pde.ui.launcher.IPDELauncherConstants;
058:        import org.eclipse.swt.widgets.Display;
059:        import org.eclipse.swt.widgets.Shell;
060:        import org.eclipse.ui.IWorkbenchWindow;
061:
062:        public class LauncherUtils {
063:
064:            private static final String TIMESTAMP = "timestamp"; //$NON-NLS-1$
065:            private static final String FILE_NAME = "dep-timestamp.properties"; //$NON-NLS-1$
066:            private static Properties fLastRun;
067:
068:            public static Display getDisplay() {
069:                Display display = Display.getCurrent();
070:                if (display == null) {
071:                    display = Display.getDefault();
072:                }
073:                return display;
074:            }
075:
076:            public final static Shell getActiveShell() {
077:                IWorkbenchWindow window = PDEPlugin.getDefault().getWorkbench()
078:                        .getActiveWorkbenchWindow();
079:                if (window == null) {
080:                    IWorkbenchWindow[] windows = PDEPlugin.getDefault()
081:                            .getWorkbench().getWorkbenchWindows();
082:                    if (windows.length > 0)
083:                        return windows[0].getShell();
084:                } else
085:                    return window.getShell();
086:                return getDisplay().getActiveShell();
087:            }
088:
089:            public static boolean clearWorkspace(
090:                    ILaunchConfiguration configuration, String workspace,
091:                    IProgressMonitor monitor) throws CoreException {
092:                // If the workspace is not defined, there is no workspace to clear
093:                // What will happen is that the workspace chooser dialog will be 
094:                // brought up because no -data parameter will be specified on the 
095:                // launch
096:                if (workspace.length() == 0) {
097:                    monitor.done();
098:                    return true;
099:                }
100:
101:                File workspaceFile = new Path(workspace).toFile()
102:                        .getAbsoluteFile();
103:                if (configuration.getAttribute(IPDELauncherConstants.DOCLEAR,
104:                        false)
105:                        && workspaceFile.exists()) {
106:                    boolean doClear = !configuration.getAttribute(
107:                            IPDELauncherConstants.ASKCLEAR, true);
108:                    if (!doClear) {
109:                        int result = confirmDeleteWorkspace(workspaceFile);
110:                        if (result == 2 || result == -1) {
111:                            monitor.done();
112:                            return false;
113:                        }
114:                        doClear = result == 0;
115:                    }
116:
117:                    if (doClear) {
118:                        if (configuration.getAttribute(
119:                                IPDEUIConstants.DOCLEARLOG, false)) {
120:                            LauncherUtils.clearWorkspaceLog(workspace);
121:                        } else {
122:                            CoreUtility.deleteContent(workspaceFile);
123:                        }
124:                    }
125:                }
126:
127:                monitor.done();
128:                return true;
129:            }
130:
131:            private static int confirmDeleteWorkspace(final File workspaceFile) {
132:                String message = NLS
133:                        .bind(
134:                                PDEUIMessages.WorkbenchLauncherConfigurationDelegate_confirmDeleteWorkspace,
135:                                workspaceFile.getPath());
136:                return generateDialog(message);
137:            }
138:
139:            public static boolean generateConfigIni() {
140:                String message = PDEUIMessages.LauncherUtils_generateConfigIni;
141:                return generateDialog(message) == 0;
142:            }
143:
144:            private static int generateDialog(final String message) {
145:                final int[] result = new int[1];
146:                getDisplay().syncExec(new Runnable() {
147:                    public void run() {
148:                        String title = PDEUIMessages.LauncherUtils_title;
149:                        MessageDialog dialog = new MessageDialog(
150:                                getActiveShell(), title, null, message,
151:                                MessageDialog.QUESTION, new String[] {
152:                                        IDialogConstants.YES_LABEL,
153:                                        IDialogConstants.NO_LABEL,
154:                                        IDialogConstants.CANCEL_LABEL }, 0);
155:                        result[0] = dialog.open();
156:                    }
157:                });
158:                return result[0];
159:            }
160:
161:            public static void validateProjectDependencies(
162:                    ILaunchConfiguration launch, final IProgressMonitor monitor) {
163:                IPreferenceStore store = PDEPlugin.getDefault()
164:                        .getPreferenceStore();
165:                if (!store.getBoolean(IPreferenceConstants.PROP_AUTO_MANAGE))
166:                    return;
167:
168:                String timeStamp, selected, deSelected;
169:                boolean useDefault, autoAdd;
170:                try {
171:                    timeStamp = launch.getAttribute(TIMESTAMP, "0"); //$NON-NLS-1$
172:                    selected = launch.getAttribute(
173:                            IPDELauncherConstants.SELECTED_WORKSPACE_PLUGINS,
174:                            ""); //$NON-NLS-1$
175:                    deSelected = launch.getAttribute(
176:                            IPDELauncherConstants.DESELECTED_WORKSPACE_PLUGINS,
177:                            ""); //$NON-NLS-1$
178:                    autoAdd = launch.getAttribute(
179:                            IPDELauncherConstants.AUTOMATIC_ADD, true);
180:                    useDefault = launch.getAttribute(
181:                            IPDELauncherConstants.USE_DEFAULT, true);
182:                    useDefault |= launch.getAttribute(
183:                            IPDELauncherConstants.USEFEATURES, false);
184:                    final ArrayList projects = new ArrayList();
185:                    if (useDefault)
186:                        handleUseDefault(timeStamp, projects);
187:                    else if (autoAdd)
188:                        handleDeselectedPlugins(timeStamp, deSelected, projects);
189:                    else
190:                        handleSelectedPlugins(timeStamp, selected, projects);
191:
192:                    if (!projects.isEmpty())
193:                        Display.getDefault().syncExec(new Runnable() {
194:                            public void run() {
195:                                OrganizeManifestsProcessor processor = new OrganizeManifestsProcessor(
196:                                        projects);
197:                                initializeProcessor(processor);
198:                                try {
199:                                    Change change = processor
200:                                            .createChange(monitor);
201:                                    change.perform(monitor);
202:                                    // update table for each project with current time stamp
203:                                    Properties table = getLastRun();
204:                                    String ts = Long.toString(System
205:                                            .currentTimeMillis());
206:                                    Iterator it = projects.iterator();
207:                                    while (it.hasNext())
208:                                        table.put(((IProject) it.next())
209:                                                .getName(), ts);
210:                                } catch (OperationCanceledException e) {
211:                                } catch (CoreException e) {
212:                                }
213:                            }
214:                        });
215:
216:                    ILaunchConfigurationWorkingCopy wc = null;
217:                    if (launch.isWorkingCopy())
218:                        wc = (ILaunchConfigurationWorkingCopy) launch;
219:                    else
220:                        wc = launch.getWorkingCopy();
221:                    wc.setAttribute(TIMESTAMP, Long.toString(System
222:                            .currentTimeMillis()));
223:                    wc.doSave();
224:                } catch (CoreException e) {
225:                }
226:            }
227:
228:            private static void initializeProcessor(
229:                    OrganizeManifestsProcessor processor) {
230:                processor.setAddMissing(false);
231:                processor.setRemoveUnresolved(false);
232:                processor.setModifyDep(false);
233:                processor.setRemoveLazy(false);
234:                processor.setAddDependencies(true);
235:                processor.setCalculateUses(false);
236:                processor.setMarkInternal(false);
237:                processor.setPrefixIconNL(false);
238:                processor.setUnusedDependencies(false);
239:                processor.setUnusedKeys(false);
240:            }
241:
242:            private static String getTimeStamp(IProject project) {
243:                IJavaProject jp = JavaCore.create(project);
244:                try {
245:                    long timeStamp = 0;
246:                    IClasspathEntry[] entries = jp.getResolvedClasspath(true);
247:                    for (int i = 0; i < entries.length; i++) {
248:                        if (entries[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
249:                            File file;
250:                            IPath location = entries[i].getOutputLocation();
251:                            if (location == null)
252:                                location = jp.getOutputLocation();
253:                            IResource res = project.getWorkspace().getRoot()
254:                                    .findMember(location);
255:                            IPath path = res == null ? null : res.getLocation();
256:                            if (path == null)
257:                                continue;
258:                            file = path.toFile();
259:                            Stack files = new Stack();
260:                            files.push(file);
261:                            while (!files.isEmpty()) {
262:                                file = (File) files.pop();
263:                                if (file.isDirectory()) {
264:                                    File[] children = file.listFiles();
265:                                    for (int j = 0; j < children.length; j++)
266:                                        files.push(children[j]);
267:                                } else if (file.getName().endsWith(".class") && timeStamp < file.lastModified()) //$NON-NLS-1$
268:                                    timeStamp = file.lastModified();
269:                            }
270:                        }
271:                    }
272:                    String[] otherFiles = {
273:                            "META-INF/MANIFEST.MF", "build.properties" }; //$NON-NLS-1$ //$NON-NLS-2$
274:                    for (int i = 0; i < otherFiles.length; i++) {
275:                        IResource file = project.getFile(otherFiles[i]);
276:                        if (file != null) {
277:                            long fileTimeStamp = file.getRawLocation().toFile()
278:                                    .lastModified();
279:                            if (timeStamp < fileTimeStamp)
280:                                timeStamp = fileTimeStamp;
281:                        }
282:                    }
283:                    return Long.toString(timeStamp);
284:                } catch (JavaModelException e) {
285:                }
286:                return "0"; //$NON-NLS-1$
287:            }
288:
289:            private static void handleUseDefault(String launcherTimeStamp,
290:                    ArrayList projects) {
291:                IProject[] projs = ResourcesPlugin.getWorkspace().getRoot()
292:                        .getProjects();
293:                for (int i = 0; i < projs.length; i++) {
294:                    if (!WorkspaceModelManager.isPluginProject(projs[i]))
295:                        continue;
296:                    String timestamp = getTimeStamp(projs[i]);
297:                    if (timestamp.compareTo(launcherTimeStamp) > 0
298:                            && shouldAdd(projs[i], launcherTimeStamp, timestamp))
299:                        projects.add(projs[i]);
300:                }
301:            }
302:
303:            private static void handleSelectedPlugins(String timeStamp,
304:                    String value, ArrayList projects) {
305:                StringTokenizer tokenizer = new StringTokenizer(value, ","); //$NON-NLS-1$
306:                while (tokenizer.hasMoreTokens()) {
307:                    value = tokenizer.nextToken();
308:                    int index = value.indexOf('@');
309:                    String id = index > 0 ? value.substring(0, index) : value;
310:                    IPluginModelBase base = PluginRegistry.findModel(id);
311:                    if (base != null) {
312:                        IResource res = base.getUnderlyingResource();
313:                        if (res != null) {
314:                            IProject project = res.getProject();
315:                            String projTimeStamp = getTimeStamp(project);
316:                            if (projTimeStamp.compareTo(timeStamp) > 0
317:                                    && shouldAdd(project, timeStamp,
318:                                            projTimeStamp))
319:                                projects.add(project);
320:                        }
321:                    }
322:                }
323:            }
324:
325:            private static void handleDeselectedPlugins(
326:                    String launcherTimeStamp, String value, ArrayList projects) {
327:                StringTokenizer tokenizer = new StringTokenizer(value, ","); //$NON-NLS-1$
328:                HashSet deSelectedProjs = new HashSet();
329:                while (tokenizer.hasMoreTokens())
330:                    deSelectedProjs.add(tokenizer.nextToken());
331:
332:                IProject[] projs = ResourcesPlugin.getWorkspace().getRoot()
333:                        .getProjects();
334:                for (int i = 0; i < projs.length; i++) {
335:                    if (!WorkspaceModelManager.isPluginProject(projs[i]))
336:                        continue;
337:                    IPluginModelBase base = PluginRegistry.findModel(projs[i]);
338:                    if (base == null
339:                            || base != null
340:                            && deSelectedProjs.contains(base.getPluginBase()
341:                                    .getId()))
342:                        continue;
343:                    String timestamp = getTimeStamp(projs[i]);
344:                    if (timestamp.compareTo(launcherTimeStamp) > 0
345:                            && shouldAdd(projs[i], launcherTimeStamp, timestamp))
346:                        projects.add(projs[i]);
347:                }
348:            }
349:
350:            public static final void shutdown() {
351:                if (fLastRun == null)
352:                    return;
353:                FileOutputStream stream = null;
354:                try {
355:                    stream = new FileOutputStream(new File(getDirectory(),
356:                            FILE_NAME));
357:                    fLastRun.store(stream, "Cached timestamps"); //$NON-NLS-1$
358:                    stream.flush();
359:                    stream.close();
360:                } catch (IOException e) {
361:                    PDECore.logException(e);
362:                } finally {
363:                    try {
364:                        if (stream != null)
365:                            stream.close();
366:                    } catch (IOException e1) {
367:                    }
368:                }
369:            }
370:
371:            private static File getDirectory() {
372:                IPath path = PDECore.getDefault().getStateLocation().append(
373:                        ".cache"); //$NON-NLS-1$
374:                File directory = new File(path.toOSString());
375:                if (!directory.exists() || !directory.isDirectory())
376:                    directory.mkdirs();
377:                return directory;
378:            }
379:
380:            private static Properties getLastRun() {
381:                if (fLastRun == null) {
382:                    fLastRun = new Properties();
383:                    FileInputStream fis = null;
384:                    try {
385:                        File file = new File(getDirectory(), FILE_NAME);
386:                        if (file.exists()) {
387:                            fis = new FileInputStream(file);
388:                            fLastRun.load(fis);
389:                            fis.close();
390:                        }
391:                    } catch (IOException e) {
392:                        PDECore.logException(e);
393:                    } finally {
394:                        try {
395:                            if (fis != null)
396:                                fis.close();
397:                        } catch (IOException e1) {
398:                        }
399:                    }
400:                }
401:                return fLastRun;
402:            }
403:
404:            private static boolean shouldAdd(IProject proj, String launcherTS,
405:                    String fileSystemTS) {
406:                String projTS = (String) getLastRun().get(proj.getName());
407:                if (projTS == null)
408:                    return true;
409:                return ((projTS.compareTo(launcherTS) < 0) || (projTS
410:                        .compareTo(fileSystemTS) < 0));
411:            }
412:
413:            public static boolean requiresUI(ILaunchConfiguration configuration) {
414:                try {
415:                    String projectID = configuration
416:                            .getAttribute(
417:                                    IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME,
418:                                    ""); //$NON-NLS-1$
419:                    if (projectID.length() > 0) {
420:                        IResource project = PDEPlugin.getWorkspace().getRoot()
421:                                .findMember(projectID);
422:                        if (project instanceof  IProject) {
423:                            IPluginModelBase model = PluginRegistry
424:                                    .findModel((IProject) project);
425:                            if (model != null) {
426:                                Set plugins = DependencyManager
427:                                        .getSelfAndDependencies(model);
428:                                return plugins.contains("org.eclipse.swt"); //$NON-NLS-1$
429:                            }
430:                        }
431:                    }
432:                } catch (CoreException e) {
433:                }
434:                return true;
435:            }
436:
437:            public static boolean clearWorkspaceLog(String workspace) {
438:                File logFile = new File(workspace,
439:                        ".metadata" + File.separator + ".log"); //$NON-NLS-1$ //$NON-NLS-2$
440:                if (logFile != null && logFile.exists()) {
441:                    return logFile.delete();
442:                }
443:                return true;
444:            }
445:
446:            public static IStatus createErrorStatus(String message) {
447:                return new Status(IStatus.ERROR, PDEPlugin.getPluginId(),
448:                        IStatus.OK, message, null);
449:            }
450:
451:        }
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