plugins/org.eclipse.oomph.targlets.core/src/org/eclipse/oomph/targlets/internal/core/variables/TargletContainerBundlePool.java

/*
 * Copyright (c) 2014 Eike Stepper (Loehne, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *    Eike Stepper - initial API and implementation
 */
package org.eclipse.oomph.targlets.internal.core.variables;

import org.eclipse.oomph.p2.core.BundlePool;
import org.eclipse.oomph.targlets.core.ITargletContainerDescriptor;
import org.eclipse.oomph.targlets.internal.core.TargletContainerDescriptorManager;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.variables.IDynamicVariable;
import org.eclipse.core.variables.IDynamicVariableResolver;

/**
 * @author Eike Stepper
 */
public class TargletContainerBundlePool implements IDynamicVariableResolver
{
  public String resolveValue(IDynamicVariable variable, String containerID) throws CoreException
  {
    ITargletContainerDescriptor descriptor = TargletContainerDescriptorManager.getInstance().getDescriptor(containerID, new NullProgressMonitor());
    if (descriptor != null)
    {
      BundlePool bundlePool = descriptor.getBundlePool();
      if (bundlePool != null)
      {
        return bundlePool.getLocation().getAbsolutePath();
      }
    }

    return null;
  }
}