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.xbean.propertyeditor; 18 19 import java.lang.reflect.Method; 20 21 /** 22 * @version $Rev$ $Date$ 23 */ 24 public class EnumConverter extends AbstractConverter { 25 26 public EnumConverter(Class type) { 27 super(type); 28 } 29 30 protected Object toObjectImpl(String text) { 31 Class type = getType(); 32 33 try { 34 return Enum.valueOf(type, text); 35 } catch (Exception cause) { 36 try { 37 int index = Integer.parseInt(text); 38 Method method = type.getMethod("values"); 39 Object[] values = (Object[]) method.invoke(null); 40 return values[index]; 41 } catch (NumberFormatException e) { 42 } catch (Exception e) { 43 cause = e; 44 } 45 46 throw new PropertyEditorException("Value \"" + text + "\" cannot be converted to enum type " + type.getName(), cause); 47 } 48 } 49 }