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diff --git a/reportdesign/java/com/sun/star/report/pentaho/output/text/VariablesDeclarations.java b/reportdesign/java/com/sun/star/report/pentaho/output/text/VariablesDeclarations.java
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+/*************************************************************************
+ *
+ *  OpenOffice.org - a multi-platform office productivity suite
+ *
+ *  $RCSfile: VariablesDeclarations.java,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2007-07-09 11:56:08 $
+ *
+ *  The Contents of this file are made available subject to
+ *  the terms of GNU Lesser General Public License Version 2.1.
+ *
+ *
+ *    GNU Lesser General Public License Version 2.1
+ *    =============================================
+ *    Copyright 2007 by Sun Microsystems, Inc.
+ *    901 San Antonio Road, Palo Alto, CA 94303, USA
+ *    Copyright 2007 by Pentaho Corporation
+ *
+ *    This library is free software; you can redistribute it and/or
+ *    modify it under the terms of the GNU Lesser General Public
+ *    License version 2.1, as published by the Free Software Foundation.
+ *
+ *    This library 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 this library; if not, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *    MA  02111-1307  USA
+ *
+ ************************************************************************/
+
+
+package com.sun.star.report.pentaho.output.text;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Iterator;
+
+import org.jfree.report.util.AttributeNameGenerator;
+
+/**
+ * A collection that holds all used variables. A variable is primarily keyed by
+ * its original name. If a variable contains more than one type, it is also
+ * keyed by the type.
+ *
+ * @author Thomas Morgner
+ * @since 26.03.2007
+ */
+public class VariablesDeclarations
+{
+  private AttributeNameGenerator nameGenerator;
+  private HashMap variables;
+
+  public VariablesDeclarations()
+  {
+    variables = new HashMap();
+    nameGenerator = new AttributeNameGenerator();
+  }
+
+  public String produceVariable(final String name,
+                                final String type)
+  {
+    HashMap holder = (HashMap) variables.get(name);
+    if (holder == null)
+    {
+      holder = new HashMap();
+      variables.put(name, holder);
+    }
+
+    final String mapping = (String) holder.get(type);
+    if (mapping != null)
+    {
+      return mapping;
+    }
+    final String result = nameGenerator.generateName(name);
+    if (holder.isEmpty())
+    {
+      // create the default mapping as well..
+      holder.put (null, name);
+    }
+    holder.put (type, name);
+    return result;
+  }
+
+  public Map getDefinedMappings ()
+  {
+    final HashMap mappings = new HashMap();
+    final Iterator vars = variables.values().iterator();
+    while (vars.hasNext())
+    {
+      final HashMap types = (HashMap) vars.next();
+      final Iterator varsByType = types.entrySet().iterator();
+      while (varsByType.hasNext())
+      {
+        final Map.Entry entry = (Map.Entry) varsByType.next();
+        final String varName = (String) entry.getValue();
+        final String type = (String) entry.getKey();
+        if (type != null)
+        {
+          mappings.put (varName, type);
+        }
+      }
+    }
+    return mappings;
+  }
+}