eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/view/CdmViewerUtil.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2015 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 package eu.etaxonomy.taxeditor.view;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14 import java.util.Map.Entry;
  15
  16 import org.eclipse.core.runtime.CoreException;
  17 import org.eclipse.core.runtime.IConfigurationElement;
  18 import org.eclipse.core.runtime.IExtensionRegistry;
  19 import org.eclipse.core.runtime.IStatus;
  20 import org.eclipse.core.runtime.Platform;
  21 import org.eclipse.core.runtime.Status;
  22
  23 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  24 import eu.etaxonomy.taxeditor.store.internal.TaxeditorStorePlugin;
  25
  26 /**
  27  * @author pplitzner
  28  * @date Jul 7, 2015
  29  *
  30  */
  31 public class CdmViewerUtil {
  32
  33     public static  Map<Entry<Class<?>, String>, ICdmViewer> getNameViewerMap(Object input){
  34         Map<Entry<Class<?>, String>, ICdmViewer> nameViewerMap = new HashMap<Entry<Class<?>, String>, ICdmViewer>();
  35
  36         IExtensionRegistry reg = Platform.getExtensionRegistry();
  37         IConfigurationElement[] extensions = reg
  38                 .getConfigurationElementsFor("eu.etaxonomy.taxeditor.store.cdmViewer");
  39         for (IConfigurationElement configElement : extensions) {
  40             try {
  41                 Object object = configElement.createExecutableExtension("class");
  42                 if(object instanceof ICdmViewer){
  43                     ICdmViewer cdmViewer = (ICdmViewer)object;
  44                     Map<Class<?>, String> viewerClasses = cdmViewer.getViewerClasses(input);
  45                     for (Entry<Class<?>, String> entry : viewerClasses.entrySet()) {
  46                         nameViewerMap.put(entry, cdmViewer);
  47                     }
  48                 }
  49                 else{
  50                     MessagingUtils.error(CdmViewerChooser.class, new Status(IStatus.ERROR, TaxeditorStorePlugin.PLUGIN_ID, "Could not load cdmViewer extension"));
  51                 }
  52             } catch (CoreException e) {
  53                 MessagingUtils.error(CdmViewerChooser.class, "Could not load cdmViewer extension", e);
  54             }
  55         }
  56         return nameViewerMap;
  57     }
  58
  59     public static  Map<String, String> getAvailableViewers(Object input){
  60         Map<String, String> commandViewerNameMap = new HashMap<String, String>();
  61
  62         IExtensionRegistry reg = Platform.getExtensionRegistry();
  63         IConfigurationElement[] extensions = reg
  64                 .getConfigurationElementsFor("eu.etaxonomy.taxeditor.store.cdmViewer");
  65         for (IConfigurationElement configElement : extensions) {
  66             if(configElement.getName().equals("viewCommandMapping")){
  67                 String commandId = configElement.getAttribute("commandId");
  68                 String viewerName = configElement.getAttribute("viewerName");
  69                 try {
  70                     Object selectionObject = configElement.createExecutableExtension("selection");
  71                     System.out.println(selectionObject);
  72                     Class<? extends Object> selectionClass = selectionObject.getClass();
  73                     if(input.getClass().isAssignableFrom(selectionClass)){
  74                         commandViewerNameMap.put(commandId, viewerName);
  75                     }
  76                 } catch (CoreException e) {
  77                     MessagingUtils.error(CdmViewerChooser.class, "Could not initalize selection class element of cdmViewer extension", e);
  78                 }
  79             }
  80         }
  81         return commandViewerNameMap;
  82     }
  83
  84 }