1 files changed, 155 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.releng.setup/src/org/eclipse/emf/cdo/releng/setup/util/TargetPlatformUtil.java b/plugins/org.eclipse.emf.cdo.releng.setup/src/org/eclipse/emf/cdo/releng/setup/util/TargetPlatformUtil.java
new file mode 100644
index 0000000000..2ac501ded0
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.releng.setup/src/org/eclipse/emf/cdo/releng/setup/util/TargetPlatformUtil.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Eike Stepper - initial API and implementation
+ */
+package org.eclipse.emf.cdo.releng.setup.util;
+
+import org.eclipse.emf.cdo.releng.setup.util.log.ProgressLog;
+import org.eclipse.emf.cdo.releng.setup.util.log.ProgressLogMonitor;
+
+import org.eclipse.buckminster.runtime.MonitorUtils;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.pde.core.target.ITargetDefinition;
+import org.eclipse.pde.core.target.ITargetHandle;
+import org.eclipse.pde.core.target.ITargetLocation;
+import org.eclipse.pde.core.target.ITargetPlatformService;
+import org.eclipse.pde.core.target.LoadTargetDefinitionJob;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * @author Eike Stepper
+ */
+public final class TargetPlatformUtil
+{
+  public static boolean hasTargetPlatform(String targetPlatformPath, ProgressLog progress)
+  {
+    ITargetPlatformService service = null;
+
+    try
+    {
+      service = ServiceUtil.getService(ITargetPlatformService.class);
+      for (ITargetHandle targetHandle : service.getTargets(new ProgressLogMonitor(progress)))
+      {
+        try
+        {
+          ITargetDefinition candidate = targetHandle.getTargetDefinition();
+          ITargetLocation[] containers = candidate.getTargetLocations();
+          if (containers == null || containers.length != 1)
+          {
+            continue;
+          }
+
+          String location = containers[0].getLocation(true);
+          if (targetPlatformPath.equals(location))
+          {
+            File file = new File(location);
+            // Check that it's a directory that contains not only "." and ".."
+            return file.isDirectory() && file.listFiles().length > 2;
+          }
+        }
+        catch (CoreException ex)
+        {
+          // Ignore
+        }
+      }
+    }
+    finally
+    {
+      ServiceUtil.ungetService(service);
+    }
+
+    return false;
+  }
+
+  public static void setTargetPlatform(String targetPlatformPath, String name, boolean active, ProgressLog progress)
+      throws Exception
+  {
+    ITargetPlatformService service = null;
+
+    try
+    {
+      service = ServiceUtil.getService(ITargetPlatformService.class);
+      ITargetDefinition target = null;
+      for (ITargetHandle targetHandle : service.getTargets(new ProgressLogMonitor(progress)))
+      {
+        ITargetDefinition candidate = targetHandle.getTargetDefinition();
+        ITargetLocation[] containers = candidate.getTargetLocations();
+        if (containers == null || containers.length != 1)
+        {
+          continue;
+        }
+
+        if (targetPlatformPath.equals(containers[0].getLocation(true)))
+        {
+          ITargetHandle activeHandle = service.getWorkspaceTargetHandle();
+          if (activeHandle != null && activeHandle.equals(targetHandle))
+          {
+            // This target is already active. Nothing left to do here
+            return;
+          }
+
+          target = candidate;
+          break;
+        }
+      }
+
+      if (target == null)
+      {
+        target = service.newTarget();
+        ITargetLocation container = service.newDirectoryLocation(targetPlatformPath);
+        target.setTargetLocations(new ITargetLocation[] { container });
+        target.setName(name);
+        File tpDir = new File(targetPlatformPath);
+        if (!tpDir.isDirectory())
+        {
+          tpDir.mkdirs();
+          if (!tpDir.isDirectory())
+          {
+            throw new IOException("Unable to create target platform directory: " + tpDir);
+          }
+        }
+      }
+
+      service.saveTargetDefinition(target);
+      if (active)
+      {
+        setTargetActive(target, new ProgressLogMonitor(progress));
+      }
+    }
+    finally
+    {
+      ServiceUtil.ungetService(service);
+    }
+  }
+
+  public static void setTargetActive(ITargetDefinition target, IProgressMonitor monitor) throws Exception
+  {
+    MonitorUtils.begin(monitor, 100);
+
+    try
+    {
+      target.resolve(MonitorUtils.subMonitor(monitor, 50));
+
+      LoadTargetDefinitionJob job = new LoadTargetDefinitionJob(target);
+      IStatus status = job.run(MonitorUtils.subMonitor(monitor, 50));
+      if (status.getSeverity() == IStatus.ERROR)
+      {
+        throw new CoreException(status);
+      }
+    }
+    finally
+    {
+      MonitorUtils.done(monitor);
+    }
+  }
+}