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 /** 020 * A property editor for converting class names into class object instances 021 * 022 * @version $Rev: 6680 $ 023 */ 024 public class ClassEditor extends AbstractConverter { 025 public ClassEditor() { 026 super(Class.class); 027 } 028 029 /** 030 * Return a resolved class using the text value of the property as the name. 031 * The class is loading using the current context class loader, using the resolution 032 * rules defined by ClassLoading.java. 033 * 034 * @return a Class object created from the text value of the name. 035 * @throws PropertyEditorException Unable to resolve the Class object from the name. 036 */ 037 protected Object toObjectImpl(String text) { 038 try { 039 // load this using the current thread's context loader. 040 return Class.forName(text, true, Thread.currentThread().getContextClassLoader()); 041 } catch (Exception e) { 042 // not found exceptions are just turned into wrapped property exceptions. 043 throw new PropertyEditorException("Unable to resolve class " + text, e); 044 } 045 } 046 047 protected String toStringImpl(Object value) { 048 Class type = (Class) value; 049 String text = type.getSimpleName(); 050 return text; 051 } 052 }