[443119] Provide a dynamic variable for the classpath jars of a targlet container

https://bugs.eclipse.org/bugs/show_bug.cgi?id=443119

1 files changed, 67 insertions, 0 deletions

diff --git a/plugins/org.eclipse.oomph.targlets.core/src/org/eclipse/oomph/targlets/internal/core/TargletContainerClasspathResolver.java b/plugins/org.eclipse.oomph.targlets.core/src/org/eclipse/oomph/targlets/internal/core/TargletContainerClasspathResolver.java
new file mode 100644
index 000000000..feeb75c47
--- /dev/null
+++ b/plugins/org.eclipse.oomph.targlets.core/src/org/eclipse/oomph/targlets/internal/core/TargletContainerClasspathResolver.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2014 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.oomph.targlets.internal.core;
+
+import org.eclipse.oomph.p2.core.Profile;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.variables.IDynamicVariable;
+import org.eclipse.core.variables.IDynamicVariableResolver;
+import org.eclipse.equinox.p2.metadata.IArtifactKey;
+import org.eclipse.equinox.p2.metadata.IInstallableUnit;
+import org.eclipse.equinox.p2.query.QueryUtil;
+import org.eclipse.equinox.p2.repository.artifact.IFileArtifactRepository;
+
+import java.io.File;
+
+/**
+ * @author Eike Stepper
+ */
+public class TargletContainerClasspathResolver implements IDynamicVariableResolver
+{
+  public String resolveValue(IDynamicVariable variable, String containerID) throws CoreException
+  {
+    StringBuilder builder = new StringBuilder();
+
+    TargletContainerDescriptor descriptor = TargletContainerDescriptorManager.getInstance().getDescriptor(containerID, new NullProgressMonitor());
+    if (descriptor != null)
+    {
+      Profile profile = descriptor.getWorkingProfile();
+      if (profile != null)
+      {
+        IFileArtifactRepository artifactRepository = profile.getBundlePool().getFileArtifactRepository();
+
+        for (IInstallableUnit iu : profile.query(QueryUtil.createIUAnyQuery(), new NullProgressMonitor()))
+        {
+          for (IArtifactKey artifactKey : iu.getArtifacts())
+          {
+            if ("osgi.bundle".equals(artifactKey.getClassifier()) && !artifactKey.getId().endsWith(".source"))
+            {
+              File file = artifactRepository.getArtifactFile(artifactKey);
+              if (file != null)
+              {
+                if (builder.length() != 0)
+                {
+                  builder.append(";");
+                }
+
+                builder.append(file.getAbsolutePath());
+              }
+            }
+          }
+        }
+      }
+    }
+
+    return builder.toString();
+  }
+}