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 integration.forms; 24 25 /** base class for components validating the content of form controls 26 * 27 * @author fs@openoffice.org 28 */ 29 public abstract class ControlValidator implements com.sun.star.form.validation.XValidator 30 { 31 32 /** Creates a new instance of ControlValidator */ ControlValidator()33 public ControlValidator() 34 { 35 } 36 addValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener)37 public void addValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener) 38 { 39 } 40 removeValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener)41 public void removeValidityConstraintListener(com.sun.star.form.validation.XValidityConstraintListener xValidityConstraintListener) 42 { 43 } 44 isVoid( Object Value )45 protected boolean isVoid( Object Value ) 46 { 47 try 48 { 49 return ( com.sun.star.uno.AnyConverter.getType(Value).getTypeClass() 50 == com.sun.star.uno.TypeClass.VOID ); 51 } 52 catch( java.lang.ClassCastException e ) 53 { 54 } 55 return false; 56 } 57 } 58