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.ICdmApplicationConfiguration;
  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.model.MessagingUtils;
  31 import eu.etaxonomy.taxeditor.store.StoreUtil;
  32
  33 /**
  34  * <p>
  35  * ExportHandler class.
  36  * </p>
  37  *
  38  * @author n.hoffmann
  39  * @created Sep 11, 2009
  40  * @version 1.0
  41  */
  42 public class ExportManager extends AbstractIOManager<IExportConfigurator> {
  43
  44         /**
  45          *
  46          * @param applicationConfiguration
  47          */
  48         private ExportManager(ICdmApplicationConfiguration applicationConfiguration) {
  49                 super(applicationConfiguration);
  50         }
  51
  52         /**
  53          * <p>
  54          * NewInstance
  55          * </p>
  56          *
  57          * @param applicationConfiguration
  58          *            a
  59          *            {@link eu.etaxonomy.cdm.api.application.CdmApplicationController}
  60          *            object.
  61          * @return a {@link eu.etaxonomy.taxeditor.io.ExportManager} object.
  62          */
  63         public static ExportManager NewInstance(
  64                         ICdmApplicationConfiguration applicationConfiguration) {
  65                 return new ExportManager(applicationConfiguration);
  66         }
  67
  68         /**
  69          * <p>
  70          * createIOJob
  71          * </p>
  72          *
  73          * @param configurator
  74          *            a {@link eu.etaxonomy.cdm.io.common.IExportConfigurator}
  75          *            object.
  76          * @return a {@link org.eclipse.core.runtime.jobs.Job} object.
  77          */
  78         @Override
  79         protected Job createIOJob(final IExportConfigurator configurator) {
  80
  81                 Assert.isNotNull(configurator, "Configuration may not be null");
  82
  83                 final Display display = Display.getCurrent();
  84
  85                 Job job = new Job("Export: " + configurator.getClass().getSimpleName()) {
  86                         @Override
  87                         protected IStatus run(IProgressMonitor monitor) {
  88                                 monitor.beginTask(
  89                                                 "Exporting database. This will take some time.", 100);
  90                                 monitor.worked(10);
  91
  92                                 display.asyncExec(new Runnable() {
  93
  94                                         @Override
  95                                         public void run() {
  96                                                 // terminate any open transactions
  97                                                 IConversationEnabled activePart = (IConversationEnabled) StoreUtil
  98                                                                 .getActivePage().getActivePart();
  99                                                 activePart.getConversationHolder().commit(false);
 100                                         }
 101                                 });
 102
 103                                 monitor.worked(10);
 104
 105                                 CdmDefaultExport<IExportConfigurator> exporter = new CdmDefaultExport<IExportConfigurator>();
 106                                 configurator.setProgressMonitor(CdmProgressMonitorAdapter
 107                                                 .CreateSubMonitor(monitor, 80));
 108                                 exporter.setCdmAppController((ICdmApplicationConfiguration) applicationConfiguration);
 109                                 monitor.worked(10);
 110
 111                                 try {
 112                                         exporter.invoke(configurator);
 113                                         monitor.worked(60);
 114                                 } catch (RuntimeException e) {
 115                                         MessagingUtils.messageDialog("Error exporting data", this,
 116                                                         "An error occured while"
 117                                                                         + "exporting to destination '"
 118                                                                         + configurator.getDestinationNameString()
 119                                                                         + "'.\n"
 120                                                                         + "Please check error log for details.", e);
 121                                 }
 122
 123                                 display.asyncExec(new Runnable() {
 124
 125                                         @Override
 126                                         public void run() {
 127                                                 IWorkbenchPart activePart = StoreUtil.getActivePage()
 128                                                                 .getActivePart();
 129                                                 if (activePart instanceof IConversationEnabled) {
 130                                                         // terminate any open transactions
 131                                                         IConversationEnabled conversationEnabled = (IConversationEnabled) activePart;
 132                                                         // restarting transaction and committing it to
 133                                                         // trigger
 134                                                         // change listener
 135                                                         // TODO verify correct behaviour
 136
 137                                                         try{
 138                                                                 conversationEnabled.getConversationHolder()
 139                                                                         .startTransaction();
 140
 141                                                                 conversationEnabled.getConversationHolder()
 142                                                                         .commit();
 143                                                         }catch(RuntimeException e){
 144                                                                 MessagingUtils.messageDialog("Error starting conversation handling", this, "" +
 145                                                                                 "Conversation Error: "+ e);
 146                                                         }
 147                                                 }
 148                                         }
 149                                 });
 150                                 monitor.worked(10);
 151
 152                                 return Status.OK_STATUS;
 153                         }
 154                 };
 155
 156                 return job;
 157         }
 158
 159         /**
 160          * @param jaxb
 161          * @return
 162          */
 163         private IIoConfigurator getConfigurator(TYPE type) {
 164                 Assert.isNotNull(type, "Type should not be null");
 165
 166                 switch (type) {
 167                 case Jaxb:
 168                         return JaxbExportConfigurator.NewInstance(null, null);
 169                 case Sdd:
 170                         return SDDExportConfigurator.NewInstance(null, null, null);
 171                 default:
 172                         MessagingUtils.notImplementedMessage(this);
 173                         throw new IllegalArgumentException("Export not supported yet");
 174                 }
 175         }
 176
 177         /**
 178          * <p>
 179          * JaxbConfigurator
 180          * </p>
 181          *
 182          * @return a {@link eu.etaxonomy.cdm.io.jaxb.JaxbExportConfigurator} object.
 183          */
 184         public final JaxbExportConfigurator JaxbConfigurator() {
 185                 return (JaxbExportConfigurator) getConfigurator(TYPE.Jaxb);
 186         }
 187
 188         /**
 189          * <p>
 190          * SddConfigurator
 191          * </p>
 192          *
 193          * @return a {@link eu.etaxonomy.cdm.io.sdd.out.SDDExportConfigurator}
 194          *         object.
 195          */
 196         public final SDDExportConfigurator SddConfigurator() {
 197                 return (SDDExportConfigurator) getConfigurator(TYPE.Sdd);
 198         }
 199
 200 }