org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/project/wizards/tracepkg/importexport/TracePackageExportOperation.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Marc-Andre Laperle - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.importexport;
  14
  15 import java.io.ByteArrayInputStream;
  16 import java.io.StringWriter;
  17 import java.lang.reflect.InvocationTargetException;
  18 import java.util.ArrayList;
  19 import java.util.HashSet;
  20 import java.util.Set;
  21
  22 import javax.xml.parsers.DocumentBuilderFactory;
  23 import javax.xml.transform.OutputKeys;
  24 import javax.xml.transform.Transformer;
  25 import javax.xml.transform.TransformerFactory;
  26 import javax.xml.transform.dom.DOMSource;
  27 import javax.xml.transform.stream.StreamResult;
  28
  29 import org.eclipse.core.resources.IFile;
  30 import org.eclipse.core.resources.IFolder;
  31 import org.eclipse.core.resources.IMarker;
  32 import org.eclipse.core.resources.IResource;
  33 import org.eclipse.core.runtime.CoreException;
  34 import org.eclipse.core.runtime.IPath;
  35 import org.eclipse.core.runtime.IProgressMonitor;
  36 import org.eclipse.core.runtime.IStatus;
  37 import org.eclipse.core.runtime.Status;
  38 import org.eclipse.core.runtime.SubProgressMonitor;
  39 import org.eclipse.jface.operation.ModalContext;
  40 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  41 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.AbstractTracePackageOperation;
  42 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.ITracePackageConstants;
  43 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageBookmarkElement;
  44 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageElement;
  45 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageFilesElement;
  46 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageSupplFileElement;
  47 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageSupplFilesElement;
  48 import org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.TracePackageTraceElement;
  49 import org.eclipse.linuxtools.tmf.core.TmfCommonConstants;
  50 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  51 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  52 import org.eclipse.ui.internal.wizards.datatransfer.ArchiveFileExportOperation;
  53 import org.w3c.dom.Document;
  54 import org.w3c.dom.Element;
  55 import org.w3c.dom.Node;
  56
  57 /**
  58  * An operation that exports a trace package to an archive
  59  *
  60  * @author Marc-Andre Laperle
  61  */
  62 @SuppressWarnings("restriction")
  63 public class TracePackageExportOperation extends AbstractTracePackageOperation {
  64
  65     private static final String TRACE_EXPORT_TEMP_FOLDER = ".traceExport"; //$NON-NLS-1$
  66
  67     private final TracePackageTraceElement[] fTraceExportElements;
  68     private final boolean fUseCompression;
  69     private final boolean fUseTar;
  70     private final Set<IResource> fResources;
  71     private IFolder fExportFolder;
  72
  73     /**
  74      * Constructs a new export operation
  75      *
  76      * @param traceExportElements
  77      *            the trace elements to be exported
  78      * @param useCompression
  79      *            whether or not to use compression
  80      * @param useTar
  81      *            use tar format or zip
  82      * @param fileName
  83      *            the output file name
  84      */
  85     public TracePackageExportOperation(TracePackageTraceElement[] traceExportElements, boolean useCompression, boolean useTar, String fileName) {
  86         super(fileName);
  87         fTraceExportElements = traceExportElements;
  88         fUseCompression = useCompression;
  89         fUseTar = useTar;
  90         fResources = new HashSet<>();
  91     }
  92
  93     /**
  94      * Run the operation. The status (result) of the operation can be obtained
  95      * with {@link #getStatus}
  96      *
  97      * @param progressMonitor
  98      *            the progress monitor to use to display progress and receive
  99      *            requests for cancellation
 100      */
 101     @Override
 102     public void run(IProgressMonitor progressMonitor) {
 103
 104         try {
 105             int totalWork = getNbCheckedElements(fTraceExportElements) * 2;
 106             progressMonitor.beginTask(Messages.TracePackageExportOperation_GeneratingPackage, totalWork);
 107
 108             fExportFolder = createExportFolder(progressMonitor);
 109
 110             Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
 111             Element createElement = doc.createElement(ITracePackageConstants.TMF_EXPORT_ELEMENT);
 112             Node tmfNode = doc.appendChild(createElement);
 113
 114             for (TracePackageTraceElement tracePackageElement : fTraceExportElements) {
 115                 if (!isFilesChecked(tracePackageElement)) {
 116                     continue;
 117                 }
 118
 119                 exportTrace(progressMonitor, tmfNode, tracePackageElement);
 120             }
 121
 122             Transformer transformer = TransformerFactory.newInstance().newTransformer();
 123             transformer.setOutputProperty(OutputKeys.INDENT, "yes"); //$NON-NLS-1$
 124             transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4"); //$NON-NLS-1$ //$NON-NLS-2$
 125             DOMSource source = new DOMSource(doc);
 126             StringWriter buffer = new StringWriter();
 127             StreamResult result = new StreamResult(buffer);
 128             transformer.transform(source, result);
 129             String content = buffer.getBuffer().toString();
 130
 131             ModalContext.checkCanceled(progressMonitor);
 132
 133             exportManifest(content);
 134
 135             setStatus(exportToArchive(progressMonitor, totalWork));
 136
 137             fExportFolder.delete(true, new SubProgressMonitor(progressMonitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 138
 139             progressMonitor.done();
 140
 141         } catch (Exception e) {
 142             if (e instanceof InterruptedException) {
 143                 setStatus(Status.CANCEL_STATUS);
 144             } else {
 145                 setStatus(new Status(IStatus.ERROR, Activator.PLUGIN_ID, org.eclipse.linuxtools.internal.tmf.ui.project.wizards.tracepkg.Messages.TracePackage_ErrorOperation, e));
 146             }
 147         }
 148     }
 149
 150     private IFolder createExportFolder(IProgressMonitor monitor) throws CoreException {
 151         IFolder folder = fTraceExportElements[0].getTraceElement().getProject().getResource().getFolder(TRACE_EXPORT_TEMP_FOLDER);
 152         if (folder.exists()) {
 153             folder.delete(true, null);
 154         }
 155         folder.create(IResource.FORCE | IResource.HIDDEN, true, new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 156         return folder;
 157     }
 158
 159     private void exportTrace(IProgressMonitor monitor, Node tmfNode, TracePackageTraceElement tracePackageElement) throws InterruptedException, CoreException {
 160         TmfTraceElement traceElement = tracePackageElement.getTraceElement();
 161         Element traceXmlElement = tmfNode.getOwnerDocument().createElement(ITracePackageConstants.TRACE_ELEMENT);
 162         traceXmlElement.setAttribute(ITracePackageConstants.TRACE_NAME_ATTRIB, traceElement.getResource().getName());
 163         traceXmlElement.setAttribute(ITracePackageConstants.TRACE_TYPE_ATTRIB, traceElement.getTraceType());
 164         Node traceNode = tmfNode.appendChild(traceXmlElement);
 165
 166         for (TracePackageElement element : tracePackageElement.getChildren()) {
 167             ModalContext.checkCanceled(monitor);
 168             if (!element.isChecked()) {
 169                 continue;
 170             }
 171
 172             if (element instanceof TracePackageSupplFilesElement) {
 173                 exportSupplementaryFiles(monitor, traceNode, traceElement, (TracePackageSupplFilesElement) element);
 174             } else if (element instanceof TracePackageBookmarkElement) {
 175                 exportBookmarks(monitor, traceNode, (TracePackageBookmarkElement) element);
 176             } else if (element instanceof TracePackageFilesElement) {
 177                 exportTraceFiles(monitor, traceNode, (TracePackageFilesElement) element);
 178             }
 179
 180             monitor.worked(1);
 181         }
 182     }
 183
 184     private void exportSupplementaryFiles(IProgressMonitor monitor, Node traceNode, TmfTraceElement traceElement, TracePackageSupplFilesElement element) throws InterruptedException, CoreException {
 185         Document doc = traceNode.getOwnerDocument();
 186         if (element.getChildren().length > 0) {
 187             IFolder suppFilesFolder = fExportFolder.getFolder(TmfCommonConstants.TRACE_SUPPLEMENATARY_FOLDER_NAME);
 188             if (!suppFilesFolder.exists()) {
 189                 suppFilesFolder.create(IResource.FORCE, true, new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 190             }
 191             IFolder traceSuppFilesFolder = suppFilesFolder.getFolder(traceElement.getResource().getName());
 192             traceSuppFilesFolder.create(IResource.FORCE, true, new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 193
 194             for (TracePackageElement child : element.getChildren()) {
 195                 TracePackageSupplFileElement supplFile = (TracePackageSupplFileElement) child;
 196                 ModalContext.checkCanceled(monitor);
 197                 IResource res = supplFile.getResource();
 198                 res.refreshLocal(0, new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 199                 IResource link = createExportResource(traceSuppFilesFolder, res);
 200                 Element suppFileElement = doc.createElement(ITracePackageConstants.SUPPLEMENTARY_FILE_ELEMENT);
 201
 202                 // project/.traceExport/.tracing/kernel/statistics.ht -> .tracing/kernel/statistics.ht
 203                 IPath archiveRelativePath = link.getFullPath().makeRelativeTo(fExportFolder.getFullPath());
 204
 205                 suppFileElement.setAttribute(ITracePackageConstants.SUPPLEMENTARY_FILE_NAME_ATTRIB, archiveRelativePath.toString());
 206                 traceNode.appendChild(suppFileElement);
 207             }
 208
 209             fResources.add(suppFilesFolder);
 210         }
 211     }
 212
 213     private void exportTraceFiles(IProgressMonitor monitor, Node traceNode, TracePackageFilesElement element) throws CoreException {
 214         Document doc = traceNode.getOwnerDocument();
 215         IResource resource = ((TracePackageTraceElement) element.getParent()).getTraceElement().getResource();
 216         IFolder folder = fExportFolder.getFolder(TmfTraceFolder.TRACE_FOLDER_NAME);
 217         if (!folder.exists()) {
 218             folder.create(IResource.FORCE, true, new SubProgressMonitor(monitor, 1, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 219         }
 220
 221         IResource link = createExportResource(folder, resource);
 222         Element fileElement = doc.createElement(ITracePackageConstants.TRACE_FILE_ELEMENT);
 223         // project/.traceExport/Traces/kernel -> Traces/kernel
 224         IPath archiveRelativePath = link.getFullPath().makeRelativeTo(fExportFolder.getFullPath());
 225         fileElement.setAttribute(ITracePackageConstants.TRACE_FILE_NAME_ATTRIB, archiveRelativePath.toString());
 226         traceNode.appendChild(fileElement);
 227         fResources.add(folder);
 228     }
 229
 230     /**
 231      * Creates a linked resource in the specified folder
 232      *
 233      * @param exportFolder the folder that will contain the linked resource
 234      * @param res the resource to export
 235      * @throws CoreException when createLink fails
 236      * @return the created linked resource
 237      */
 238     private static IResource createExportResource(IFolder exportFolder, IResource res) throws CoreException {
 239         IResource ret = null;
 240         // Note: The resources cannot be HIDDEN or else they are ignored by ArchiveFileExportOperation
 241         if (res instanceof IFolder) {
 242             IFolder folder = exportFolder.getFolder(res.getName());
 243             folder.createLink(res.getLocationURI(), IResource.NONE, null);
 244             ret = folder;
 245         } else if (res instanceof IFile) {
 246             IFile file = exportFolder.getFile(res.getName());
 247             file.createLink(res.getLocationURI(), IResource.NONE, null);
 248             ret = file;
 249         }
 250         return ret;
 251     }
 252
 253     private static void exportBookmarks(IProgressMonitor monitor, Node traceNode, TracePackageBookmarkElement element) throws CoreException, InterruptedException {
 254         Document doc = traceNode.getOwnerDocument();
 255         IFile bookmarksFile = ((TracePackageTraceElement) element.getParent()).getTraceElement().getBookmarksFile();
 256         if (bookmarksFile != null && bookmarksFile.exists()) {
 257             IMarker[] findMarkers = bookmarksFile.findMarkers(IMarker.BOOKMARK, false, IResource.DEPTH_ZERO);
 258             if (findMarkers.length > 0) {
 259                 Element bookmarksXmlElement = doc.createElement(ITracePackageConstants.BOOKMARKS_ELEMENT);
 260                 Node bookmarksNode = traceNode.appendChild(bookmarksXmlElement);
 261
 262                 for (IMarker marker : findMarkers) {
 263                     ModalContext.checkCanceled(monitor);
 264
 265                     Element singleBookmarkXmlElement = doc.createElement(ITracePackageConstants.BOOKMARK_ELEMENT);
 266                     for (String key : marker.getAttributes().keySet()) {
 267                         singleBookmarkXmlElement.setAttribute(key, marker.getAttribute(key).toString());
 268                     }
 269
 270                     bookmarksNode.appendChild(singleBookmarkXmlElement);
 271                 }
 272             }
 273         }
 274     }
 275
 276     private void exportManifest(String content) throws CoreException {
 277         IFile file = fExportFolder.getFile(ITracePackageConstants.MANIFEST_FILENAME);
 278         ByteArrayInputStream inputStream = new ByteArrayInputStream(content.getBytes());
 279         if (file.exists()) {
 280             file.setContents(inputStream, IResource.FORCE, null);
 281         } else {
 282             file.create(inputStream, IResource.FORCE | IResource.HIDDEN, null);
 283         }
 284         fResources.add(file);
 285     }
 286
 287     private IStatus exportToArchive(IProgressMonitor monitor, int totalWork) throws InvocationTargetException, InterruptedException {
 288         ArchiveFileExportOperation op = new ArchiveFileExportOperation(new ArrayList<>(fResources), getFileName());
 289         op.setCreateLeadupStructure(false);
 290         op.setUseCompression(fUseCompression);
 291         op.setUseTarFormat(fUseTar);
 292         op.run(new SubProgressMonitor(monitor, totalWork / 2, SubProgressMonitor.PREPEND_MAIN_LABEL_TO_SUBTASK));
 293
 294         return op.getStatus();
 295     }
 296 }