1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.betwixt.strategy; 18 19 import java.lang.reflect.Array; 20 21 import org.apache.commons.beanutils.ConvertUtils; 22 import org.apache.commons.beanutils.Converter; 23 import org.apache.commons.betwixt.expression.Context; 24 25 /** 26 * String <-> object conversion strategy that delegates to ConvertUtils. 27 * 28 * @author Robert Burrell Donkin 29 * @since 0.5 30 */ 31 public class ConvertUtilsObjectStringConverter extends ObjectStringConverter { 32 33 /** 34 * Converts an object to a string representation using ConvertUtils. 35 * 36 * @param object the object to be converted, possibly null 37 * @param type the property class of the object, not null 38 * @param flavour a string allow symantic differences in formatting 39 * to be communicated (ignored) 40 * @param context not null 41 * @return a String representation, not null 42 */ 43 public String objectToString(Object object, Class type, String flavour, Context context) { 44 if ( object != null ) { 45 String text = ConvertUtils.convert( object ); 46 if ( text != null ) { 47 return text; 48 } 49 } 50 return ""; 51 } 52 53 /** 54 * Converts an object to a string representation using ConvertUtils. 55 * This implementation ignores null and empty string values (rather than converting them). 56 * 57 * @param value the String to be converted, not null 58 * @param type the property class to be returned (if possible), not null 59 * @param flavour a string allow symantic differences in formatting 60 * to be communicated (ignored) 61 * @param context not null 62 * @return an Object converted from the String, not null 63 */ 64 public Object stringToObject(String value, Class type, String flavour, Context context) { 65 if (value == null || "".equals(value)) 66 { 67 return ""; 68 } 69 70 return ConvertUtils.convert( value, type ); 71 } 72 }