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+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+package org.libreoffice.report.pentaho.output.text;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+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.
+ *
+ * @since 26.03.2007
+ */
+public class VariablesDeclarations
+{
+
+ private final AttributeNameGenerator nameGenerator;
+ private final Map<String, HashMap<String,String> > variables;
+
+ public VariablesDeclarations()
+ {
+ variables = new HashMap<String, HashMap<String,String> >();
+ nameGenerator = new AttributeNameGenerator();
+ }
+
+ public String produceVariable(final String name,
+ final String type)
+ {
+ HashMap<String,String> holder = variables.get(name);
+ if (holder == null)
+ {
+ holder = new HashMap<String,String>();
+ variables.put(name, holder);
+ }
+
+ final String mapping = 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("time", name);
+ holder.put("date", name);
+ holder.put("datetime", name);
+ holder.put("float", name);
+ holder.put("string", name);
+ holder.put("boolean", name);
+ }
+ holder.put(type, name);
+ return result;
+ }
+
+ public Map<String,String> getDefinedMappings()
+ {
+ final HashMap<String,String> mappings = new HashMap<String,String>();
+ final Iterator<HashMap<String,String>> vars = variables.values().iterator();
+ while (vars.hasNext())
+ {
+ final HashMap<String,String> types = vars.next();
+ final Iterator<Map.Entry<String,String>> varsByType = types.entrySet().iterator();
+ while (varsByType.hasNext())
+ {
+ final Map.Entry<String,String> entry = varsByType.next();
+ final String type = entry.getKey();
+ if (type != null)
+ {
+ final String varName = entry.getValue();
+ mappings.put(varName, type);
+ }
+ }
+ }
+ return mappings;
+ }
+}