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