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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.jcr.ui.explorer.wizards;
  17
  18 import java.io.File;
  19 import java.io.FileInputStream;
  20
  21 import javax.jcr.Binary;
  22 import javax.jcr.Node;
  23 import javax.jcr.Property;
  24 import javax.jcr.nodetype.NodeType;
  25
  26 import org.apache.commons.io.FileUtils;
  27 import org.apache.commons.io.IOUtils;
  28 import org.apache.commons.logging.Log;
  29 import org.apache.commons.logging.LogFactory;
  30 import org.argeo.ArgeoException;
  31 import org.argeo.eclipse.ui.ErrorFeedback;
  32 import org.argeo.eclipse.ui.specific.ImportToServerWizardPage;
  33 import org.argeo.eclipse.ui.specific.UploadFileWizardPage;
  34 import org.eclipse.core.runtime.IProgressMonitor;
  35 import org.eclipse.jface.dialogs.MessageDialog;
  36 import org.eclipse.jface.operation.IRunnableWithProgress;
  37 import org.eclipse.jface.wizard.Wizard;
  38
  39 public class ImportFileSystemWizard extends Wizard {
  40         private final static Log log = LogFactory
  41                         .getLog(ImportFileSystemWizard.class);
  42
  43         private UploadFileWizardPage importPage;
  44         private final Node folder;
  45
  46         public ImportFileSystemWizard(Node folder) {
  47                 this.folder = folder;
  48                 setWindowTitle("Import from file system");
  49         }
  50
  51         @Override
  52         public void addPages() {
  53                 importPage = new UploadFileWizardPage();
  54                 addPage(importPage);
  55                 setNeedsProgressMonitor(importPage.getNeedsProgressMonitor());
  56         }
  57
  58         /**
  59          * Called when the user click on 'Finish' in the wizard. The real upload to
  60          * the JCR repository is done here.
  61          */
  62         @Override
  63         public boolean performFinish() {
  64
  65                 // Initialization
  66                 final String objectType = importPage.getObjectType();
  67                 final String objectPath = importPage.getObjectPath();
  68
  69                 // We do not display a progress bar for one file only
  70                 if (ImportToServerWizardPage.FILE_ITEM_TYPE.equals(objectType)) {
  71                         // In Rap we must force the "real" upload of the file
  72                         importPage.performFinish();
  73                         try {
  74                                 Node fileNode = folder.addNode(importPage.getObjectName(),
  75                                                 NodeType.NT_FILE);
  76                                 Node resNode = fileNode.addNode(Property.JCR_CONTENT,
  77                                                 NodeType.NT_RESOURCE);
  78                                 Binary binary = null;
  79                                 try {
  80                                         binary = folder.getSession().getValueFactory()
  81                                                         .createBinary(importPage.getFileInputStream());
  82                                         resNode.setProperty(Property.JCR_DATA, binary);
  83                                 } finally {
  84                                         if (binary != null)
  85                                                 binary.dispose();
  86                                         IOUtils.closeQuietly(importPage.getFileInputStream());
  87                                 }
  88                                 folder.getSession().save();
  89                         } catch (Exception e) {
  90                                 e.printStackTrace();
  91                                 return false;
  92                         }
  93                         return true;
  94                 } else if (ImportToServerWizardPage.FOLDER_ITEM_TYPE.equals(objectType)) {
  95                         if (objectPath == null || !new File(objectPath).exists()) {
  96                                 ErrorFeedback.show("Directory " + objectPath
  97                                                 + " does not exist");
  98                                 return false;
  99                         }
 100
 101                         Boolean failed = false;
 102                         final File dir = new File(objectPath).getAbsoluteFile();
 103                         final Long sizeB = directorySize(dir, 0l);
 104                         final Stats stats = new Stats();
 105                         Long begin = System.currentTimeMillis();
 106                         try {
 107                                 getContainer().run(true, true, new IRunnableWithProgress() {
 108                                         public void run(IProgressMonitor monitor) {
 109                                                 try {
 110                                                         Integer sizeKB = (int) (sizeB / FileUtils.ONE_KB);
 111                                                         monitor.beginTask("", sizeKB);
 112                                                         importDirectory(folder, dir, monitor, stats);
 113                                                         monitor.done();
 114                                                 } catch (Exception e) {
 115                                                         if (e instanceof RuntimeException)
 116                                                                 throw (RuntimeException) e;
 117                                                         else
 118                                                                 throw new ArgeoException("Cannot import "
 119                                                                                 + objectPath, e);
 120                                                 }
 121                                         }
 122                                 });
 123                         } catch (Exception e) {
 124                                 ErrorFeedback.show("Cannot import " + objectPath, e);
 125                                 failed = true;
 126                         }
 127
 128                         Long duration = System.currentTimeMillis() - begin;
 129                         Long durationS = duration / 1000l;
 130                         String durationStr = (durationS / 60) + " min " + (durationS % 60)
 131                                         + " s";
 132                         StringBuffer message = new StringBuffer("Imported\n");
 133                         message.append(stats.fileCount).append(" files\n");
 134                         message.append(stats.dirCount).append(" directories\n");
 135                         message.append(FileUtils.byteCountToDisplaySize(stats.sizeB));
 136                         if (failed)
 137                                 message.append(" of planned ").append(
 138                                                 FileUtils.byteCountToDisplaySize(sizeB));
 139                         message.append("\n");
 140                         message.append("in ").append(durationStr).append("\n");
 141                         if (failed)
 142                                 MessageDialog.openError(getShell(), "Import failed",
 143                                                 message.toString());
 144                         else
 145                                 MessageDialog.openInformation(getShell(), "Import successful",
 146                                                 message.toString());
 147
 148                         return true;
 149                 }
 150                 return false;
 151
 152         }
 153
 154         /** Recursively computes the size of the directory in bytes. */
 155         protected Long directorySize(File dir, Long currentSize) {
 156                 Long size = currentSize;
 157                 File[] files = dir.listFiles();
 158                 for (File file : files) {
 159                         if (file.isDirectory()) {
 160                                 size = directorySize(file, size);
 161                         } else {
 162                                 size = size + file.length();
 163                         }
 164                 }
 165                 return size;
 166         }
 167
 168         /**
 169          * Import recursively a directory and its content to the repository.
 170          */
 171         protected void importDirectory(Node folder, File dir,
 172                         IProgressMonitor monitor, Stats stats) {
 173                 try {
 174                         File[] files = dir.listFiles();
 175                         for (File file : files) {
 176                                 if (file.isDirectory()) {
 177                                         Node childFolder = folder.addNode(file.getName(),
 178                                                         NodeType.NT_FOLDER);
 179                                         importDirectory(childFolder, file, monitor, stats);
 180                                         folder.getSession().save();
 181                                         stats.dirCount++;
 182                                 } else {
 183                                         Long fileSize = file.length();
 184
 185                                         // we skip tempory files that are created by apps when a
 186                                         // file is being edited.
 187                                         // TODO : make this configurable.
 188                                         if (file.getName().lastIndexOf('~') != file.getName()
 189                                                         .length() - 1) {
 190
 191                                                 monitor.subTask(file.getName() + " ("
 192                                                                 + FileUtils.byteCountToDisplaySize(fileSize)
 193                                                                 + ") " + file.getCanonicalPath());
 194                                                 try {
 195                                                         Node fileNode = folder.addNode(file.getName(),
 196                                                                         NodeType.NT_FILE);
 197                                                         Node resNode = fileNode.addNode(
 198                                                                         Property.JCR_CONTENT, NodeType.NT_RESOURCE);
 199                                                         Binary binary = null;
 200                                                         try {
 201                                                                 binary = folder
 202                                                                                 .getSession()
 203                                                                                 .getValueFactory()
 204                                                                                 .createBinary(new FileInputStream(file));
 205                                                                 resNode.setProperty(Property.JCR_DATA, binary);
 206                                                         } finally {
 207                                                                 if (binary != null)
 208                                                                         binary.dispose();
 209                                                         }
 210                                                         folder.getSession().save();
 211                                                         stats.fileCount++;
 212                                                         stats.sizeB = stats.sizeB + fileSize;
 213                                                 } catch (Exception e) {
 214                                                         log.warn("Import of "
 215                                                                         + file
 216                                                                         + " ("
 217                                                                         + FileUtils
 218                                                                                         .byteCountToDisplaySize(fileSize)
 219                                                                         + ") failed: " + e);
 220                                                         folder.getSession().refresh(false);
 221                                                 }
 222                                                 monitor.worked((int) (fileSize / FileUtils.ONE_KB));
 223                                         }
 224                                 }
 225                         }
 226                 } catch (Exception e) {
 227                         throw new ArgeoException("Cannot import " + dir + " to " + folder,
 228                                         e);
 229                 }
 230         }
 231
 232         static class Stats {
 233                 public Long fileCount = 0l;
 234                 public Long dirCount = 0l;
 235                 public Long sizeB = 0l;
 236         }
 237 }