bundles/org.simantics.project/src/org/simantics/project/management/P2Util.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.project.management;
  13
  14 import org.eclipse.core.runtime.IPath;
  15 import org.eclipse.core.runtime.Platform;
  16 import org.eclipse.equinox.internal.p2.core.DefaultAgentProvider;
  17 import org.eclipse.equinox.p2.core.IProvisioningAgent;
  18 import org.eclipse.equinox.p2.core.IProvisioningAgentProvider;
  19 import org.eclipse.equinox.p2.core.ProvisionException;
  20 import org.eclipse.equinox.p2.core.UIServices;
  21 import org.osgi.framework.BundleContext;
  22 import org.osgi.framework.ServiceReference;
  23
  24 @SuppressWarnings("restriction")
  25 public class P2Util {
  26
  27 //      private static void initializeServices() throws CoreException {
  28 //              BundleContext context = Activator.getContext();
  29 //              packageAdminRef = context.getServiceReference(PackageAdmin.class.getName());
  30 //              packageAdmin = (PackageAdmin) context.getService(packageAdminRef);
  31 //              ServiceReference agentProviderRef = context.getServiceReference(IProvisioningAgentProvider.SERVICE_NAME);
  32 //              IProvisioningAgentProvider provider = (IProvisioningAgentProvider) context.getService(agentProviderRef);
  33 //              URI p2DataArea;
  34 //              if (destination != null || sharedLocation != null) {
  35 //                      File dataAreaFile = sharedLocation == null ? new File(destination, "p2") : sharedLocation;//$NON-NLS-1$
  36 //                      p2DataArea = dataAreaFile.toURI();
  37 //              } else {
  38 //                      p2DataArea = null;
  39 //              }
  40 //              targetAgent = provider.createAgent(p2DataArea);
  41 //              targetAgent.registerService(IProvisioningAgent.INSTALLER_AGENT, provider.createAgent(null));
  42 //
  43 //              context.ungetService(agentProviderRef);
  44 //              if (profileId == null) {
  45 //                      if (destination != null) {
  46 //                              File configIni = new File(destination, "configuration/config.ini"); //$NON-NLS-1$
  47 //                              InputStream in = null;
  48 //                              try {
  49 //                                      Properties ciProps = new Properties();
  50 //                                      in = new BufferedInputStream(new FileInputStream(configIni));
  51 //                                      ciProps.load(in);
  52 //                                      profileId = ciProps.getProperty(PROP_P2_PROFILE);
  53 //                              } catch (IOException e) {
  54 //                                      // Ignore
  55 //                              } finally {
  56 //                                      if (in != null)
  57 //                                              try {
  58 //                                                      in.close();
  59 //                                              } catch (IOException e) {
  60 //                                                      // Ignore;
  61 //                                              }
  62 //                              }
  63 //                              if (profileId == null)
  64 //                                      profileId = destination.toString();
  65 //                      }
  66 //              }
  67 //              if (profileId != null)
  68 //                      targetAgent.registerService(PROP_P2_PROFILE, profileId);
  69 //              else
  70 //                      targetAgent.unregisterService(PROP_P2_PROFILE, null);
  71 //
  72 //              IDirector director = (IDirector) targetAgent.getService(IDirector.SERVICE_NAME);
  73 //              if (director == null)
  74 //                      throw new ProvisionException(Messages.Missing_director);
  75 //
  76 //              planner = (IPlanner) targetAgent.getService(IPlanner.SERVICE_NAME);
  77 //              if (planner == null)
  78 //                      throw new ProvisionException(Messages.Missing_planner);
  79 //
  80 //              engine = (IEngine) targetAgent.getService(IEngine.SERVICE_NAME);
  81 //              if (engine == null)
  82 //                      throw new ProvisionException(Messages.Missing_Engine);
  83 //
  84 //              targetAgent.registerService(UIServices.SERVICE_NAME, new AvoidTrustPromptService());
  85 //      }
  86         public static BundleContext getBundleContext() {
  87                 return Platform.getBundle("org.simantics.project").getBundleContext();
  88         }
  89
  90         public static IProvisioningAgentProvider getProvisioningAgentProvider() {
  91                 BundleContext context = getBundleContext();
  92                 IProvisioningAgentProvider provider = (IProvisioningAgentProvider) getService(context, IProvisioningAgentProvider.SERVICE_NAME);
  93                 if (provider==null) {
  94                         DefaultAgentProvider p = new DefaultAgentProvider();
  95                         p.activate(context);
  96                         provider = p;
  97                 }
  98                 return provider;
  99         }
 100
 101         /**
 102          * Create an provisioning agent.
 103          *
 104          * @param agentLocation
 105          * @return
 106          * @throws ProvisionException
 107          */
 108         public static IProvisioningAgent createAgent(IPath agentLocation) throws ProvisionException {
 109                 // Create recruiter
 110                 IProvisioningAgentProvider provider = getProvisioningAgentProvider();
 111
 112                 // Recruit Agent - Permission to provision
 113                 IProvisioningAgent agent = provider.createAgent(agentLocation == null ? null : agentLocation.toFile().toURI());
 114
 115                 // Omit "This bundle is not certified" dialog.
 116                 UIServices serviceUI = new TrustAllCertificates();
 117                 agent.registerService("org.eclipse.equinox.p2.core.UIServices", serviceUI);
 118
 119                 return agent;
 120         }
 121
 122
 123         /**
 124          * Copied from ServiceHelper because we need to obtain services
 125          * before p2 has been started.
 126          */
 127         public static Object getService(BundleContext context, String name) {
 128                 if (context == null)
 129                         return null;
 130                 ServiceReference reference = context.getServiceReference(name);
 131                 if (reference == null)
 132                         return null;
 133                 Object result = context.getService(reference);
 134                 context.ungetService(reference);
 135                 return result;
 136         }
 137
 138 }
 139