1 files changed, 56 insertions, 0 deletions
diff --git a/petascope/src/petascope/wcps/server/core/VariableReference.java b/petascope/src/petascope/wcps/server/core/VariableReference.java
new file mode 100644
index 0000000..613d9e2
--- /dev/null
+++ b/petascope/src/petascope/wcps/server/core/VariableReference.java
@@ -0,0 +1,56 @@
+/*
+ * This file is part of PetaScope.
+ *
+ * PetaScope is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * PetaScope is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For more information please see <http://www.PetaScope.org>
+ * or contact Peter Baumann via <baumann@rasdaman.com>.
+ *
+ * Copyright 2009 Jacobs University Bremen, Peter Baumann.
+ */
+package petascope.wcps.server.core;
+
+import petascope.wcps.server.exceptions.WCPSException;
+import org.w3c.dom.*;
+
+public class VariableReference implements IRasNode {
+
+    private String name;
+    private String translatedName;
+
+    public VariableReference(Node node, XmlQuery xq) throws WCPSException {
+        System.err.println("Parsing variable reference: " + node.getNodeName());
+
+        while ((node != null) && node.getNodeName().equals("#text")) {
+            node = node.getNextSibling();
+        }
+
+        if (node != null && node.getNodeName().equals("variableRef")) {
+            name = node.getTextContent();
+            translatedName = xq.getReferenceVariableName(name);
+            System.err.println("Variable " + name + " has been renamed into "
+                    + translatedName);
+        } else {
+            throw new WCPSException("Could not find any variable reference !");
+        }
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String toRasQL() {
+        return translatedName;
+    }
+}