1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 package com.sun.star.report.function.metadata; 24 25 import com.sun.star.report.ReportEngineParameterNames; 26 27 import org.pentaho.reporting.libraries.formula.EvaluationException; 28 import org.pentaho.reporting.libraries.formula.FormulaContext; 29 import org.pentaho.reporting.libraries.formula.LibFormulaErrorValue; 30 import org.pentaho.reporting.libraries.formula.function.Function; 31 import org.pentaho.reporting.libraries.formula.function.ParameterCallback; 32 import org.pentaho.reporting.libraries.formula.lvalues.TypeValuePair; 33 import org.pentaho.reporting.libraries.formula.typing.coretypes.TextType; 34 35 /** 36 * 37 * @author Ocke Janssen 38 */ 39 public class AuthorFunction implements Function 40 { 41 getCanonicalName()42 public String getCanonicalName() 43 { 44 return "AUTHOR"; 45 } 46 evaluate(final FormulaContext context, final ParameterCallback parameters)47 public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters) 48 throws EvaluationException 49 { 50 if (parameters.getParameterCount() != 0) 51 { 52 throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE); 53 } 54 55 return new TypeValuePair(TextType.TYPE, context.getConfiguration().getConfigProperty(ReportEngineParameterNames.AUTHOR)); 56 } 57 } 58