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