| /** |
| * Copyright (c) 2008-2010 Andrey Somov |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.yaml.snakeyaml.introspector; |
| |
| import java.beans.PropertyDescriptor; |
| import java.lang.reflect.ParameterizedType; |
| import java.lang.reflect.Type; |
| import java.lang.reflect.TypeVariable; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.yaml.snakeyaml.error.YAMLException; |
| |
| public class MethodProperty extends Property { |
| private final PropertyDescriptor property; |
| |
| public MethodProperty(PropertyDescriptor property) { |
| super(property.getName(), property.getPropertyType()); |
| this.property = property; |
| } |
| |
| @Override |
| public void set(Object object, Object value) throws Exception { |
| property.getWriteMethod().invoke(object, value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public Type[] getActualTypeArguments() { |
| if (List.class.isAssignableFrom(property.getPropertyType()) |
| || Set.class.isAssignableFrom(property.getPropertyType()) |
| || Map.class.isAssignableFrom(property.getPropertyType())) { |
| if (property.getReadMethod().getGenericReturnType() instanceof ParameterizedType) { |
| ParameterizedType grt = (ParameterizedType) property.getReadMethod() |
| .getGenericReturnType(); |
| Type[] result = grt.getActualTypeArguments(); |
| if (result == null || (result[0] instanceof TypeVariable) |
| || (result[0] instanceof ParameterizedType)) { |
| return null; |
| } else { |
| return result; |
| } |
| } else { |
| return null; |
| } |
| } else { |
| return null; |
| } |
| } |
| |
| @Override |
| public Object get(Object object) { |
| try { |
| property.getReadMethod().setAccessible(true);// issue 50 |
| return property.getReadMethod().invoke(object); |
| } catch (Exception e) { |
| throw new YAMLException("Unable to find getter for property '" + property.getName() |
| + "' on object " + object + ":" + e); |
| } |
| } |
| } |