eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/handler/update/P2Util.java

   1 package eu.etaxonomy.taxeditor.handler.update;
   2
   3 import java.net.URI;
   4 import java.net.URISyntaxException;
   5 import java.util.ArrayList;
   6 import java.util.List;
   7
   8 import org.eclipse.equinox.internal.p2.ui.ProvUI;
   9 import org.eclipse.equinox.internal.p2.ui.model.ElementUtils;
  10 import org.eclipse.equinox.internal.p2.ui.model.MetadataRepositoryElement;
  11 import org.eclipse.equinox.p2.repository.IRepository;
  12 import org.eclipse.equinox.p2.repository.IRepositoryManager;
  13 import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
  14 import org.eclipse.equinox.p2.ui.ProvisioningUI;
  15
  16 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  17 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  18 import eu.etaxonomy.taxeditor.util.ApplicationUtil;
  19
  20 /**
  21  * This class is a utility class for updating the editor from a p2 update site,
  22  * greatly inspired by the links given below.
  23  *
  24  *
  25  * To Do :
  26  * - Allow configurable update sites
  27  *
  28  * Notes :
  29  *
  30  *
  31  * @see http://wiki.eclipse.org/Equinox/p2/Adding_Self-Update_to_an_RCP_Application
  32  * @see http://bugs.eclipse.org/281226
  33  * @see http://www.vogella.com/tutorials/EclipseP2Update/article.html
  34  */
  35 public class P2Util {
  36
  37     private static String EDIT_NIGHTLY_UPDATE_SITE = "http://cybertaxonomy.eu/download/taxeditor/update/nightly/";
  38     private static String EDIT_NIGHTLY_UPDATE_SITE_NAME = "Taxonomic Editor Nightly";
  39
  40     private static String EDIT_STABLE_UPDATE_SITE = "http://cybertaxonomy.eu/download/taxeditor/update/stable/";
  41     private static String EDIT_STABLE_UPDATE_SITE_NAME = "Taxonomic Editor Stable";
  42
  43     /**
  44      * Retrieve and load the saved list of repositories from the preference store,
  45      * making sure that at least the default repository is always loaded.
  46      */
  47     @SuppressWarnings("restriction")
  48     public static void setP2UpdateRepositories() {
  49         List<MetadataRepositoryElement> repoElements = new ArrayList<MetadataRepositoryElement>();
  50         List<MetadataRepositoryElement> savedRepoElements = new ArrayList<>();
  51
  52         MetadataRepositoryElement mre = new MetadataRepositoryElement(null, getP2UpdateRepository(), true);
  53         mre.setNickname(getP2UpdateRepositoryName());
  54         savedRepoElements.add(mre);
  55
  56         repoElements.addAll(savedRepoElements);
  57
  58         ElementUtils.updateRepositoryUsingElements(ProvisioningUI.getDefaultUI(),repoElements
  59                 .toArray(new MetadataRepositoryElement[]{} ));
  60
  61     }
  62
  63     public static String getP2UpdateRepositoryName(){
  64         return ApplicationUtil.isStable()?EDIT_STABLE_UPDATE_SITE_NAME:EDIT_NIGHTLY_UPDATE_SITE_NAME;
  65     }
  66
  67     public static URI getP2UpdateRepository(){
  68         try {
  69             return ApplicationUtil.isStable()?new URI(EDIT_STABLE_UPDATE_SITE):new URI(EDIT_NIGHTLY_UPDATE_SITE);
  70         } catch (URISyntaxException e) {
  71             MessagingUtils.error(P2Util.class, e);
  72         }
  73         return null;
  74     }
  75
  76     /**
  77      * {@link org.eclipse.equinox.p2.ui.RepositoryManipulationPage} which handles the repsitory site list
  78      * in preferences does not create a preference store and hence the changes are not saved. This means
  79      * that we need to save it ourselves.
  80      *
  81      * This method saves the list of current repositories in the preference store as a string with
  82      * specific delimiters.
  83      */
  84
  85     public static void saveP2RepositoryPreferences() {
  86
  87         IMetadataRepositoryManager metaManager = ProvUI.getMetadataRepositoryManager(ProvisioningUI.getDefaultUI().getSession());
  88
  89         URI[] currentlyEnabled = metaManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_ALL);
  90         URI[] currentlyDisabled = metaManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_DISABLED);
  91
  92         List<MetadataRepositoryElement> repoElements = new ArrayList<MetadataRepositoryElement>();
  93
  94         for(URI repo : currentlyEnabled) {
  95             boolean enabled = true;
  96             String nickname = metaManager.getRepositoryProperty(repo, IRepository.PROP_NICKNAME);
  97             MetadataRepositoryElement element = new MetadataRepositoryElement(null, repo, true);
  98             element.setNickname(nickname);
  99             element.setEnabled(enabled);
 100             repoElements.add(element);
 101         }
 102
 103         for(URI repo : currentlyDisabled) {
 104             boolean enabled = false;
 105             String nickname = metaManager.getRepositoryProperty(repo, IRepository.PROP_NICKNAME);
 106             MetadataRepositoryElement element = new MetadataRepositoryElement(null, repo, true);
 107             element.setNickname(nickname);
 108             element.setEnabled(enabled);
 109             repoElements.add(element);
 110         }
 111         PreferencesUtil.setP2Repositories(repoElements);
 112     }
 113 }