/*
* This program 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2006 - 2013 Pentaho Corporation and Contributors. All rights reserved.
*/
package org.pentaho.reporting.libraries.formula;
import java.util.Date;
import java.util.HashMap;
import java.util.TimeZone;
import java.util.Locale;
import org.pentaho.reporting.libraries.formula.function.DefaultFunctionRegistry;
import org.pentaho.reporting.libraries.formula.function.FunctionRegistry;
import org.pentaho.reporting.libraries.formula.operators.DefaultOperatorFactory;
import org.pentaho.reporting.libraries.formula.operators.OperatorFactory;
import org.pentaho.reporting.libraries.formula.typing.DefaultTypeRegistry;
import org.pentaho.reporting.libraries.formula.typing.Type;
import org.pentaho.reporting.libraries.formula.typing.TypeRegistry;
import org.pentaho.reporting.libraries.formula.typing.coretypes.AnyType;
import org.pentaho.reporting.libraries.base.config.Configuration;
/**
* Creation-Date: 31.10.2006, 16:32:32
*
* @author Thomas Morgner
*/
public class DefaultFormulaContext implements FormulaContext
{
private DefaultTypeRegistry typeRegistry;
private DefaultFunctionRegistry functionRegistry;
private DefaultOperatorFactory operatorFactory;
private DefaultLocalizationContext localizationContext;
private Configuration config;
private HashMap references;
public DefaultFormulaContext()
{
this(LibFormulaBoot.getInstance().getGlobalConfig());
}
public DefaultFormulaContext(final Configuration config)
{
this(config, null, null);
}
public DefaultFormulaContext(final Configuration config, final Locale locale, final TimeZone timeZone)
{
if (config == null)
{
throw new NullPointerException();
}
this.config = config;
localizationContext = new DefaultLocalizationContext();
localizationContext.initialize(config, locale, timeZone);
typeRegistry = new DefaultTypeRegistry();
typeRegistry.initialize(this);
functionRegistry = new DefaultFunctionRegistry();
functionRegistry.initialize(config);
operatorFactory = new DefaultOperatorFactory();
operatorFactory.initalize(config);
}
public OperatorFactory getOperatorFactory()
{
return operatorFactory;
}
public void defineReference(final Object name, final Object value)
{
if (name == null)
{
throw new NullPointerException();
}
if (value == null)
{
if (references == null)
{
return;
}
references.remove(name);
return;
}
if (references == null)
{
references = new HashMap();
}
references.put(name, value);
}
public Object resolveReference(final Object name)
{
if (name == null)
{
throw new NullPointerException();
}
if (references == null)
{
return null;
}
return references.get(name);
}
public Configuration getConfiguration()
{
return config;
}
public FunctionRegistry getFunctionRegistry()
{
return functionRegistry;
}
public Type resolveReferenceType(final Object name)
{
return AnyType.TYPE;
}
public TypeRegistry getTypeRegistry()
{
return typeRegistry;
}
public LocalizationContext getLocalizationContext()
{
return localizationContext;
}
public boolean isReferenceDirty(final Object name)
{
return true;
}
public Date getCurrentDate()
{
return new Date();
}
}