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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.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.
*
* @author Thomas Morgner
* @since 26.03.2007
*/
public class VariablesDeclarations
{
private final AttributeNameGenerator nameGenerator;
private final Map 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("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 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 type = (String) entry.getKey();
if (type != null)
{
final String varName = (String) entry.getValue();
mappings.put(varName, type);
}
}
}
return mappings;
}
}
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