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1: /** 2: * ========================================= 3: * LibFormula : a free Java formula library 4: * ========================================= 5: * 6: * Project Info: http://reporting.pentaho.org/libformula/ 7: * 8: * (C) Copyright 2006-2007, by Pentaho Corporation and Contributors. 9: * 10: * This library is free software; you can redistribute it and/or modify it under the terms 11: * of the GNU Lesser General Public License as published by the Free Software Foundation; 12: * either version 2.1 of the License, or (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16: * See the GNU Lesser General Public License for more details. 17: * 18: * You should have received a copy of the GNU Lesser General Public License along with this 19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, 20: * Boston, MA 02111-1307, USA. 21: * 22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 23: * in the United States and other countries.] 24: * 25: * 26: * ------------ 27: * $Id: TextFunctionDescription.java,v 1.3 2007/04/01 13:51:53 taqua Exp $ 28: * ------------ 29: * (C) Copyright 2006-2007, by Pentaho Corporation. 30: */ 31: package org.jfree.formula.function.text; 32: 33: import org.jfree.formula.function.AbstractFunctionDescription; 34: import org.jfree.formula.function.FunctionCategory; 35: import org.jfree.formula.typing.Type; 36: import org.jfree.formula.typing.coretypes.AnyType; 37: import org.jfree.formula.typing.coretypes.TextType; 38: 39: public class TextFunctionDescription extends AbstractFunctionDescription 40: { 41: public TextFunctionDescription() 42: { 43: super("org.jfree.formula.function.text.Text-Function"); 44: } 45: 46: public FunctionCategory getCategory() 47: { 48: return TextFunctionCategory.CATEGORY; 49: } 50: 51: public int getParameterCount() 52: { 53: return 1; 54: } 55: 56: public Type getParameterType(int position) 57: { 58: return AnyType.TYPE; 59: } 60: 61: public Type getValueType() 62: { 63: return TextType.TYPE; 64: } 65: 66: public boolean isParameterMandatory(int position) 67: { 68: return true; 69: } 70: 71: }