reportbuilder/java/org/libreoffice/report/function/metadata/TitleFunction.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18 package org.libreoffice.report.function.metadata;
  19
  20 import org.libreoffice.report.ReportEngineParameterNames;
  21
  22 import org.pentaho.reporting.libraries.formula.EvaluationException;
  23 import org.pentaho.reporting.libraries.formula.FormulaContext;
  24 import org.pentaho.reporting.libraries.formula.LibFormulaErrorValue;
  25 import org.pentaho.reporting.libraries.formula.function.Function;
  26 import org.pentaho.reporting.libraries.formula.function.ParameterCallback;
  27 import org.pentaho.reporting.libraries.formula.lvalues.TypeValuePair;
  28 import org.pentaho.reporting.libraries.formula.typing.coretypes.TextType;
  29
  30 public class TitleFunction implements Function
  31 {
  32
  33     public String getCanonicalName()
  34     {
  35         return "TITLE";
  36     }
  37
  38     public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
  39             throws EvaluationException
  40     {
  41         if (parameters.getParameterCount() != 0)
  42         {
  43             throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
  44         }
  45
  46         return new TypeValuePair(TextType.TYPE, context.getConfiguration().getConfigProperty(ReportEngineParameterNames.TITLE));
  47     }
  48 }