bundles/org.simantics.project/src/org/simantics/project/management/install/InstallerUtil.java

   1 package org.simantics.project.management.install;
   2
   3 import java.io.IOException;
   4
   5 import org.eclipse.core.runtime.IPath;
   6 import org.eclipse.core.runtime.IProgressMonitor;
   7 import org.eclipse.core.runtime.IStatus;
   8 import org.eclipse.core.runtime.SubMonitor;
   9 import org.eclipse.equinox.internal.provisional.p2.installer.InstallAdvisor;
  10 import org.eclipse.equinox.internal.provisional.p2.installer.InstallDescription;
  11 import org.eclipse.equinox.p2.core.IProvisioningAgent;
  12 import org.eclipse.equinox.p2.core.IProvisioningAgentProvider;
  13 import org.eclipse.equinox.p2.core.ProvisionException;
  14 import org.eclipse.equinox.p2.core.UIServices;
  15 import org.osgi.framework.BundleContext;
  16 import org.osgi.framework.ServiceReference;
  17 import org.simantics.project.management.P2Util;
  18 import org.simantics.project.management.TrustAllCertificates;
  19
  20 /**
  21  * P2 installer util.
  22  *
  23  * Heavily inspired by org.eclipse.equinox.p2.installer project.
  24  *
  25  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  26  */
  27 public class InstallerUtil {
  28
  29         private static final String SYS_PROP_INSTALL_DESCRIPTION = "org.eclipse.equinox.p2.installDescription";
  30
  31         public static IStatus install(InstallAdvisor advisor, InstallDescription description, IProgressMonitor monitor) throws Exception {
  32                 if (advisor == null)
  33                         advisor = getDefaultAdvisor();
  34                 if (description == null)
  35                         description = getDefaultDescription(SubMonitor.convert(monitor));
  36
  37                 advisor.prepareInstallDescription(description);
  38                 IProvisioningAgent agent = startAgent(description);
  39
  40                 InstallUpdateProductOperation operation = new InstallUpdateProductOperation(agent, description);
  41
  42                 IStatus status = advisor.performInstall(operation);
  43                 if (!status.isOK()) {
  44 //                      ShowMessage.showStatus(status);
  45                 }
  46                 advisor.setResult(status);
  47                 advisor.stop();
  48                 agent.stop();
  49                 return status;
  50         }
  51
  52         public static InstallDescription getDefaultDescription(SubMonitor monitor) throws Exception {
  53                 String site = System.getProperty(SYS_PROP_INSTALL_DESCRIPTION);
  54                 return InstallDescriptionParser.createDescription(site, monitor);
  55
  56         }
  57
  58         public static InstallAdvisor getDefaultAdvisor() {
  59                 InstallAdvisor advisor = new DefaultInstallAdvisor();
  60                 advisor.start();
  61                 return advisor;
  62         }
  63
  64         public static IProvisioningAgent startAgent(InstallDescription description) throws Exception {
  65                 IPath installLocation = description.getInstallLocation();
  66                 if (installLocation == null)
  67                         throw new Exception("No install location");
  68
  69                 try {
  70                         // Create recruiter
  71                         IProvisioningAgentProvider provider = P2Util.getProvisioningAgentProvider();
  72
  73                         // Set agent location if specified. Contains P2 install data
  74                         IPath agentLocation = description.getAgentLocation();
  75
  76                         // Recruit Agent - Permission to provision
  77                         IProvisioningAgent agent = provider.createAgent(agentLocation == null ? null : agentLocation.toFile().toURI());
  78
  79                         // Omit "This bundle is not certified" dialog.
  80                         UIServices serviceUI = new TrustAllCertificates();
  81                         agent.registerService("org.eclipse.equinox.p2.core.UIServices", serviceUI);
  82
  83
  84                         return agent;
  85                 } catch (ProvisionException e) {
  86                         throw new Exception("Cannot create agent", e);
  87                 }
  88         }
  89
  90
  91         /**
  92          * Copied from ServiceHelper because we need to obtain services
  93          * before p2 has been started.
  94          */
  95         public static Object getService(BundleContext context, String name) {
  96                 if (context == null)
  97                         return null;
  98                 ServiceReference reference = context.getServiceReference(name);
  99                 if (reference == null)
 100                         return null;
 101                 Object result = context.getService(reference);
 102                 context.ungetService(reference);
 103                 return result;
 104         }
 105
 106
 107         public static void launchProduct(InstallDescription description) throws Exception {
 108                 IPath installLocation = description.getInstallLocation();
 109                 IPath toRun = installLocation.append(description.getLauncherName());
 110                 try {
 111                         Runtime.getRuntime().exec(toRun.toString(), null, installLocation.toFile());
 112                 } catch (IOException e) {
 113                         throw new Exception("Lanuching an app failed", e);
 114                 }
 115
 116         }
 117 }