ImportFileSystemWizard.java

   1 package org.argeo.eclipse.ui.jcr.wizards;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5
   6 import javax.jcr.Binary;
   7 import javax.jcr.Node;
   8 import javax.jcr.Property;
   9 import javax.jcr.nodetype.NodeType;
  10
  11 import org.apache.commons.io.FileUtils;
  12 import org.apache.commons.io.IOUtils;
  13 import org.apache.commons.logging.Log;
  14 import org.apache.commons.logging.LogFactory;
  15 import org.argeo.ArgeoException;
  16 import org.argeo.eclipse.ui.dialogs.Error;
  17 import org.argeo.eclipse.ui.specific.ImportFileSystemHandler;
  18 import org.argeo.eclipse.ui.specific.ImportFileSystemWizardPage;
  19 import org.eclipse.core.runtime.IProgressMonitor;
  20 import org.eclipse.jface.dialogs.MessageDialog;
  21 import org.eclipse.jface.operation.IRunnableWithProgress;
  22 import org.eclipse.jface.wizard.Wizard;
  23
  24 public class ImportFileSystemWizard extends Wizard {
  25         private final static Log log = LogFactory
  26                         .getLog(ImportFileSystemWizard.class);
  27
  28         private ImportFileSystemWizardPage page1;
  29         private final Node folder;
  30
  31         private ImportFileSystemHandler ifsh = new ImportFileSystemHandler();
  32
  33         public ImportFileSystemWizard(Node folder) {
  34                 this.folder = folder;
  35                 setNeedsProgressMonitor(ifsh.getNeedsProgressMonitor());
  36                 setWindowTitle("Import from file system");
  37         }
  38
  39         @Override
  40         public void addPages() {
  41                 try {
  42                         page1 = new ImportFileSystemWizardPage();
  43                         addPage(page1);
  44                 } catch (Exception e) {
  45                         e.printStackTrace();
  46                 }
  47         }
  48
  49         /**
  50          * Called when the user click on 'Finish' in the wizard. The real upload to
  51          * the JCR repository is done here.
  52          */
  53         @Override
  54         public boolean performFinish() {
  55
  56                 // Initialization
  57                 final String objectType = page1.getObjectType();
  58                 final String objectPath = page1.getObjectPath();
  59
  60                 // We do not display a progress bar for one file only
  61                 if ("nt:file".equals(objectType)) {
  62                         // In Rap we must force the "real" upload of the file
  63                         page1.performFinish();
  64                         try {
  65                                 Node fileNode = folder.addNode(page1.getObjectName(),
  66                                                 NodeType.NT_FILE);
  67                                 Node resNode = fileNode.addNode(Property.JCR_CONTENT,
  68                                                 NodeType.NT_RESOURCE);
  69                                 Binary binary = null;
  70                                 try {
  71                                         binary = folder.getSession().getValueFactory()
  72                                                         .createBinary(page1.getFileInputStream());
  73                                         resNode.setProperty(Property.JCR_DATA, binary);
  74                                 } finally {
  75                                         if (binary != null)
  76                                                 binary.dispose();
  77                                         IOUtils.closeQuietly(page1.getFileInputStream());
  78                                 }
  79                                 folder.getSession().save();
  80                         } catch (Exception e) {
  81                                 e.printStackTrace();
  82                                 return false;
  83                         }
  84                         return true;
  85                 } else if ("nt:folder".equals(objectType)) {
  86                         if (objectPath == null || !new File(objectPath).exists()) {
  87                                 Error.show("Directory " + objectPath + " does not exist");
  88                                 return false;
  89                         }
  90
  91                         Boolean failed = false;
  92                         final File dir = new File(objectPath).getAbsoluteFile();
  93                         final Long sizeB = directorySize(dir, 0l);
  94                         final Stats stats = new Stats();
  95                         Long begin = System.currentTimeMillis();
  96                         try {
  97                                 getContainer().run(true, true, new IRunnableWithProgress() {
  98                                         public void run(IProgressMonitor monitor) {
  99                                                 try {
 100                                                         Integer sizeKB = (int) (sizeB / FileUtils.ONE_KB);
 101                                                         monitor.beginTask("", sizeKB);
 102                                                         importDirectory(folder, dir, monitor, stats);
 103                                                         monitor.done();
 104                                                 } catch (Exception e) {
 105                                                         if (e instanceof RuntimeException)
 106                                                                 throw (RuntimeException) e;
 107                                                         else
 108                                                                 throw new ArgeoException("Cannot import "
 109                                                                                 + objectPath, e);
 110                                                 }
 111                                         }
 112                                 });
 113                         } catch (Exception e) {
 114                                 Error.show("Cannot import " + objectPath, e);
 115                                 failed = true;
 116                         }
 117
 118                         Long duration = System.currentTimeMillis() - begin;
 119                         Long durationS = duration / 1000l;
 120                         String durationStr = (durationS / 60) + " min " + (durationS % 60)
 121                                         + " s";
 122                         StringBuffer message = new StringBuffer("Imported\n");
 123                         message.append(stats.fileCount).append(" files\n");
 124                         message.append(stats.dirCount).append(" directories\n");
 125                         message.append(FileUtils.byteCountToDisplaySize(stats.sizeB));
 126                         if (failed)
 127                                 message.append(" of planned ").append(
 128                                                 FileUtils.byteCountToDisplaySize(sizeB));
 129                         message.append("\n");
 130                         message.append("in ").append(durationStr).append("\n");
 131                         if (failed)
 132                                 MessageDialog.openError(getShell(), "Import failed",
 133                                                 message.toString());
 134                         else
 135                                 MessageDialog.openInformation(getShell(), "Import successful",
 136                                                 message.toString());
 137
 138                         return true;
 139                 }
 140                 return false;
 141
 142         }
 143
 144         /** Recursively computes the size of the directory in bytes. */
 145         protected Long directorySize(File dir, Long currentSize) {
 146                 Long size = currentSize;
 147                 File[] files = dir.listFiles();
 148                 for (File file : files) {
 149                         if (file.isDirectory()) {
 150                                 size = directorySize(file, size);
 151                         } else {
 152                                 size = size + file.length();
 153                         }
 154                 }
 155                 return size;
 156         }
 157
 158         /**
 159          * Import recursively a directory and its content to the repository.
 160          */
 161         protected void importDirectory(Node folder, File dir,
 162                         IProgressMonitor monitor, Stats stats) {
 163                 try {
 164                         File[] files = dir.listFiles();
 165                         for (File file : files) {
 166                                 if (file.isDirectory()) {
 167                                         Node childFolder = folder.addNode(file.getName(),
 168                                                         NodeType.NT_FOLDER);
 169                                         importDirectory(childFolder, file, monitor, stats);
 170                                         folder.getSession().save();
 171                                         stats.dirCount++;
 172                                 } else {
 173                                         Long fileSize = file.length();
 174
 175                                         // we skip tempory files that are created by apps when a
 176                                         // file is being edited.
 177                                         // TODO : make this configurable.
 178                                         if (file.getName().lastIndexOf('~') != file.getName()
 179                                                         .length() - 1) {
 180
 181                                                 monitor.subTask(file.getName() + " ("
 182                                                                 + FileUtils.byteCountToDisplaySize(fileSize)
 183                                                                 + ") " + file.getCanonicalPath());
 184                                                 try {
 185                                                         Node fileNode = folder.addNode(file.getName(),
 186                                                                         NodeType.NT_FILE);
 187                                                         Node resNode = fileNode.addNode(
 188                                                                         Property.JCR_CONTENT, NodeType.NT_RESOURCE);
 189                                                         Binary binary = null;
 190                                                         try {
 191                                                                 binary = folder
 192                                                                                 .getSession()
 193                                                                                 .getValueFactory()
 194                                                                                 .createBinary(new FileInputStream(file));
 195                                                                 resNode.setProperty(Property.JCR_DATA, binary);
 196                                                         } finally {
 197                                                                 if (binary != null)
 198                                                                         binary.dispose();
 199                                                         }
 200                                                         folder.getSession().save();
 201                                                         stats.fileCount++;
 202                                                         stats.sizeB = stats.sizeB + fileSize;
 203                                                 } catch (Exception e) {
 204                                                         log.warn("Import of "
 205                                                                         + file
 206                                                                         + " ("
 207                                                                         + FileUtils
 208                                                                                         .byteCountToDisplaySize(fileSize)
 209                                                                         + ") failed: " + e);
 210                                                         folder.getSession().refresh(false);
 211                                                 }
 212                                                 monitor.worked((int) (fileSize / FileUtils.ONE_KB));
 213                                         }
 214                                 }
 215                         }
 216                 } catch (Exception e) {
 217                         throw new ArgeoException("Cannot import " + dir + " to " + folder,
 218                                         e);
 219                 }
 220         }
 221
 222         static class Stats {
 223                 public Long fileCount = 0l;
 224                 public Long dirCount = 0l;
 225                 public Long sizeB = 0l;
 226         }
 227 }