server/plugins/org.argeo.jcr.ui.explorer/src/main/java/org/argeo/jcr/ui/explorer/wizards/ImportFileSystemWizard.java

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