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.xbean.propertyeditor; 018 019 import java.io.File; 020 import java.net.MalformedURLException; 021 import java.net.URL; 022 023 /** 024 * A property editor for URL typed properties. 025 * 026 * @version $Rev: 6680 $ 027 */ 028 public class URLEditor extends AbstractConverter { 029 public URLEditor() { 030 super(URL.class); 031 } 032 033 /** 034 * Convert the text value of the property into a URL object instance. 035 * 036 * @return a URL object constructed from the property text value. 037 */ 038 protected Object toObjectImpl(String text) { 039 try { 040 // try to create directly from the text property. 041 URL url = new URL(text); 042 // this parsed correctly, but if this is a file object, 043 // we need to make sure this gets converted into the proper 044 // absolute directory form. 045 try { 046 if (url.getProtocol().equals("file")) { 047 // ok, this is a file URL, so get the file string portion, 048 // convert that to a file object, then go through the URI()/URL() 049 // conversion sequence to get a fully valid URL(). 050 return new File(url.getFile()).toURI().toURL(); 051 } 052 } catch (Exception e) { 053 // any error here is returned as a property editor exception. 054 throw new PropertyEditorException(e); 055 } 056 057 return url; 058 } catch (MalformedURLException e) { 059 // this is a format error, but it could have been specified as a local 060 // file name. so try to create a file object and make a URL from that. 061 } 062 063 try { 064 // The file class has direct support for returning as a URL, but the Javadoc 065 // for File.toURL() recommends converting the File object to a URI first 066 // so that untranslatable characters get handled correctly. 067 return new File(text).toURI().toURL(); 068 } catch (MalformedURLException e) { 069 // any error here is returned as a property editor exception. 070 throw new PropertyEditorException(e); 071 } 072 } 073 }