001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.commons.beanutils.converters; 018 019 import java.io.File; 020 021 /** 022 * {@link org.apache.commons.beanutils.Converter} implementaion that handles conversion 023 * to and from <b>java.io.File</b> objects. 024 * <p> 025 * Can be configured to either return a <i>default value</i> or throw a 026 * <code>ConversionException</code> if a conversion error occurs. 027 * 028 * @author James Strachan 029 * @version $Revision: 690380 $ $Date: 2008-08-29 21:04:38 +0100 (Fri, 29 Aug 2008) $ 030 * @since 1.6 031 */ 032 public final class FileConverter extends AbstractConverter { 033 034 /** 035 * Construct a <b>java.io.File</b> <i>Converter</i> that throws 036 * a <code>ConversionException</code> if an error occurs. 037 */ 038 public FileConverter() { 039 super(); 040 } 041 042 /** 043 * Construct a <b>java.io.File</b> <i>Converter</i> that returns 044 * a default value if an error occurs. 045 * 046 * @param defaultValue The default value to be returned 047 * if the value to be converted is missing or an error 048 * occurs converting the value. 049 */ 050 public FileConverter(Object defaultValue) { 051 super(defaultValue); 052 } 053 054 /** 055 * Return the default type this <code>Converter</code> handles. 056 * 057 * @return The default type this <code>Converter</code> handles. 058 * @since 1.8.0 059 */ 060 protected Class getDefaultType() { 061 return File.class; 062 } 063 064 /** 065 * <p>Convert the input object into a java.io.File.</p> 066 * 067 * @param type Data type to which this value should be converted. 068 * @param value The input value to be converted. 069 * @return The converted value. 070 * @throws Throwable if an error occurs converting to the specified type 071 * @since 1.8.0 072 */ 073 protected Object convertToType(Class type, Object value) throws Throwable { 074 return new File(value.toString()); 075 } 076 }