eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/io/ExportManager.java

   1 // $Id$
   2 /**
   3  * Copyright (C) 2007 EDIT
   4  * European Distributed Institute of Taxonomy
   5  * http://www.e-taxonomy.eu
   6  *
   7  * The contents of this file are subject to the Mozilla Public License Version 1.1
   8  * See LICENSE.TXT at the top of this package for the full license terms.
   9  */
  10
  11 package eu.etaxonomy.taxeditor.io;
  12
  13 import org.eclipse.core.runtime.Assert;
  14 import org.eclipse.core.runtime.IProgressMonitor;
  15 import org.eclipse.core.runtime.IStatus;
  16 import org.eclipse.core.runtime.Status;
  17 import org.eclipse.core.runtime.jobs.Job;
  18 import org.eclipse.swt.widgets.Display;
  19 import org.eclipse.ui.IWorkbenchPart;
  20
  21 import eu.etaxonomy.cdm.api.application.ICdmApplicationConfiguration;
  22 import eu.etaxonomy.cdm.api.application.ICdmApplicationDefaultConfiguration;
  23 import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
  24 import eu.etaxonomy.cdm.io.common.CdmDefaultExport;
  25 import eu.etaxonomy.cdm.io.common.IExportConfigurator;
  26 import eu.etaxonomy.cdm.io.common.IIoConfigurator;
  27 import eu.etaxonomy.cdm.io.jaxb.JaxbExportConfigurator;
  28 import eu.etaxonomy.cdm.io.sdd.out.SDDExportConfigurator;
  29 import eu.etaxonomy.taxeditor.model.CdmProgressMonitorAdapter;
  30 import eu.etaxonomy.taxeditor.store.StoreUtil;
  31
  32 /**
  33  * <p>
  34  * ExportHandler class.
  35  * </p>
  36  *
  37  * @author n.hoffmann
  38  * @created Sep 11, 2009
  39  * @version 1.0
  40  */
  41 public class ExportManager extends AbstractIOManager<IExportConfigurator> {
  42
  43         /**
  44          *
  45          * @param applicationConfiguration
  46          */
  47         private ExportManager(ICdmApplicationConfiguration applicationConfiguration) {
  48                 super(applicationConfiguration);
  49         }
  50
  51         /**
  52          * <p>
  53          * NewInstance
  54          * </p>
  55          *
  56          * @param applicationConfiguration
  57          *            a
  58          *            {@link eu.etaxonomy.cdm.api.application.CdmApplicationController}
  59          *            object.
  60          * @return a {@link eu.etaxonomy.taxeditor.io.ExportManager} object.
  61          */
  62         public static ExportManager NewInstance(
  63                         ICdmApplicationConfiguration applicationConfiguration) {
  64                 return new ExportManager(applicationConfiguration);
  65         }
  66
  67         /**
  68          * <p>
  69          * createIOJob
  70          * </p>
  71          *
  72          * @param configurator
  73          *            a {@link eu.etaxonomy.cdm.io.common.IExportConfigurator}
  74          *            object.
  75          * @return a {@link org.eclipse.core.runtime.jobs.Job} object.
  76          */
  77         @Override
  78         protected Job createIOJob(final IExportConfigurator configurator) {
  79
  80                 Assert.isNotNull(configurator, "Configuration may not be null");
  81
  82                 final Display display = Display.getCurrent();
  83
  84                 Job job = new Job("Export: " + configurator.getClass().getSimpleName()) {
  85                         @Override
  86                         protected IStatus run(IProgressMonitor monitor) {
  87                                 monitor.beginTask(
  88                                                 "Exporting database. This will take some time.", 100);
  89                                 monitor.worked(10);
  90
  91                                 display.asyncExec(new Runnable() {
  92
  93                                         @Override
  94                                         public void run() {
  95                                                 // terminate any open transactions
  96                                                 IConversationEnabled activePart = (IConversationEnabled) StoreUtil
  97                                                                 .getActivePage().getActivePart();
  98                                                 activePart.getConversationHolder().commit(false);
  99                                         }
 100                                 });
 101
 102                                 monitor.worked(10);
 103
 104                                 CdmDefaultExport<IExportConfigurator> exporter = new CdmDefaultExport<IExportConfigurator>();
 105                                 configurator.setProgressMonitor(CdmProgressMonitorAdapter
 106                                                 .CreateSubMonitor(monitor, 80));
 107                                 exporter.setCdmAppController((ICdmApplicationDefaultConfiguration) applicationConfiguration);
 108                                 monitor.worked(10);
 109
 110                                 try {
 111                                         exporter.invoke(configurator);
 112                                         monitor.worked(60);
 113                                 } catch (RuntimeException e) {
 114                                         StoreUtil.errorDialog("Error exporting data", this,
 115                                                         "An error occured while"
 116                                                                         + "exporting to destination '"
 117                                                                         + configurator.getDestinationNameString()
 118                                                                         + "'.\n"
 119                                                                         + "Please check error log for details.", e);
 120                                 }
 121
 122                                 display.asyncExec(new Runnable() {
 123
 124                                         @Override
 125                                         public void run() {
 126                                                 IWorkbenchPart activePart = StoreUtil.getActivePage()
 127                                                                 .getActivePart();
 128                                                 if (activePart instanceof IConversationEnabled) {
 129                                                         // terminate any open transactions
 130                                                         IConversationEnabled conversationEnabled = (IConversationEnabled) activePart;
 131                                                         // restarting transaction and committing it to
 132                                                         // trigger
 133                                                         // change listener
 134                                                         // TODO verify correct behaviour
 135
 136                                                         try{
 137                                                                 conversationEnabled.getConversationHolder()
 138                                                                         .startTransaction();
 139
 140                                                                 conversationEnabled.getConversationHolder()
 141                                                                         .commit();
 142                                                         }catch(RuntimeException e){
 143                                                                 StoreUtil.errorDialog("Error starting conversation handling", this, "" +
 144                                                                                 "Conversation Error: "+ e);
 145                                                         }
 146                                                 }
 147                                         }
 148                                 });
 149                                 monitor.worked(10);
 150
 151                                 return Status.OK_STATUS;
 152                         }
 153                 };
 154
 155                 return job;
 156         }
 157
 158         /**
 159          * @param jaxb
 160          * @return
 161          */
 162         private IIoConfigurator getConfigurator(TYPE type) {
 163                 Assert.isNotNull(type, "Type should not be null");
 164
 165                 switch (type) {
 166                 case Jaxb:
 167                         return JaxbExportConfigurator.NewInstance(null, null);
 168                 case Sdd:
 169                         return SDDExportConfigurator.NewInstance(null, null, null);
 170                 default:
 171                         StoreUtil.notImplementedMessage(this);
 172                         throw new IllegalArgumentException("Export not supported yet");
 173                 }
 174         }
 175
 176         /**
 177          * <p>
 178          * JaxbConfigurator
 179          * </p>
 180          *
 181          * @return a {@link eu.etaxonomy.cdm.io.jaxb.JaxbExportConfigurator} object.
 182          */
 183         public final JaxbExportConfigurator JaxbConfigurator() {
 184                 return (JaxbExportConfigurator) getConfigurator(TYPE.Jaxb);
 185         }
 186
 187         /**
 188          * <p>
 189          * SddConfigurator
 190          * </p>
 191          *
 192          * @return a {@link eu.etaxonomy.cdm.io.sdd.out.SDDExportConfigurator}
 193          *         object.
 194          */
 195         public final SDDExportConfigurator SddConfigurator() {
 196                 return (SDDExportConfigurator) getConfigurator(TYPE.Sdd);
 197         }
 198
 199 }