1 files changed, 89 insertions, 0 deletions
diff --git a/org.eclipse.ui.externaltools/External Tools Base/org/eclipse/ui/externaltools/variable/ResourceExpander.java b/org.eclipse.ui.externaltools/External Tools Base/org/eclipse/ui/externaltools/variable/ResourceExpander.java
new file mode 100644
index 000000000..63c9123be
--- /dev/null
+++ b/org.eclipse.ui.externaltools/External Tools Base/org/eclipse/ui/externaltools/variable/ResourceExpander.java
@@ -0,0 +1,89 @@
+package org.eclipse.ui.externaltools.variable;
+
+/**********************************************************************
+Copyright (c) 2002 IBM Corp. and others. All rights reserved.
+This file is made available under the terms of the Common Public License v1.0
+which accompanies this distribution, and is available at
+http://www.eclipse.org/legal/cpl-v10.html
+�
+Contributors:
+**********************************************************************/
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.IPath;
+
+/**
+ * Expands a resource type variable into the desired
+ * result format.
+ * <p>
+ * This class is not intended to be extended by clients.
+ * </p>
+ */
+public class ResourceExpander implements IVariableLocationExpander, IVariableResourceExpander {
+
+	/**
+	 * Create an instance
+	 */
+	public ResourceExpander() {
+		super();
+	}
+
+	/**
+	 * Expands the variable to a resource.
+	 */
+	/*package*/ IResource expand(String varValue, ExpandVariableContext context) {
+		if (varValue != null && varValue.length() > 0)
+			return expandToMember(varValue);
+		else
+			return expandUsingContext(context);
+	}
+	
+	/**
+	 * Expands using the current context information.
+	 * By default, return the selected resource of the
+	 * context.
+	 */
+	/*package*/ IResource expandUsingContext(ExpandVariableContext context) {
+		return context.getSelectedResource();
+	}
+	
+	/**
+	 * Expands the variable value to a resource. The value
+	 * will not be <code>null</code> nor empty. By default,
+	 * lookup the member from the workspace root.
+	 */
+	/*package*/ IResource expandToMember(String varValue) {
+		return getWorkspaceRoot().findMember(varValue);
+	}
+	
+	/* (non-Javadoc)
+	 * Method declared on IVariableLocationExpander.
+	 */
+	public IPath getPath(String varTag, String varValue, ExpandVariableContext context) {
+		IResource resource = expand(varValue, context);
+		if (resource != null)
+			return resource.getLocation();
+		else
+			return null;
+	}
+
+	/* (non-Javadoc)
+	 * Method declared on IVariableResourceExpander.
+	 */
+	public IResource[] getResources(String varTag, String varValue, ExpandVariableContext context) {
+		IResource resource = expand(varValue, context);
+		if (resource != null)
+			return new IResource[] {resource};
+		else
+			return null;
+	}
+	
+	/**
+	 * Returns the workspace root resource.
+	 */
+	protected final IWorkspaceRoot getWorkspaceRoot() {
+		return ResourcesPlugin.getWorkspace().getRoot();
+	}
+}