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| PropertyTypeRef | Line # 44 | 6 | 0% | 4 | 0 | 100% |
1.0
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| 1 | /* | |
| 2 | * Created on Nov 23, 2009 | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | |
| 5 | * in compliance with the License. You may obtain a copy of the License at | |
| 6 | * | |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | * | |
| 9 | * Unless required by applicable law or agreed to in writing, software distributed under the License | |
| 10 | * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | |
| 11 | * or implied. See the License for the specific language governing permissions and limitations under | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * Copyright @2009 the original author or authors. | |
| 15 | */ | |
| 16 | package org.fest.reflect.beanproperty; | |
| 17 | ||
| 18 | import static org.fest.reflect.beanproperty.Invoker.newInvoker; | |
| 19 | ||
| 20 | import org.fest.reflect.exception.ReflectionError; | |
| 21 | import org.fest.reflect.reference.TypeRef; | |
| 22 | ||
| 23 | /** | |
| 24 | * Understands the type of a property to access using Bean Instrospection. This implementation supports Java generics. | |
| 25 | * <p> | |
| 26 | * The following is an example of proper usage of this class: | |
| 27 | * <pre> | |
| 28 | * // Retrieves the value of the property "powers" | |
| 29 | * List<String> powers = {@link org.fest.reflect.core.Reflection#property(String) property}("powers").{@link PropertyName#ofType(TypeRef) ofType}(new {@link TypeRef TypeRef}<List<String>>() {}).{@link #in(Object) in}(jedi).{@link Invoker#get() get}(); | |
| 30 | * | |
| 31 | * // Sets the value of the property "powers" | |
| 32 | * List<String> powers = new ArrayList<String>(); | |
| 33 | * powers.add("heal"); | |
| 34 | * {@link org.fest.reflect.core.Reflection#property(String) property}("powers").{@link PropertyName#ofType(TypeRef) ofType}(new {@link TypeRef TypeRef}<List<String>>() {}).{@link #in(Object) in}(jedi).{@link Invoker#set(Object) set}(powers); | |
| 35 | * </pre> | |
| 36 | * </p> | |
| 37 | * | |
| 38 | * @param <T> the generic type of the property. | |
| 39 | * | |
| 40 | * @author Alex Ruiz | |
| 41 | * | |
| 42 | * @since 1.2 | |
| 43 | */ | |
| 44 | public class PropertyTypeRef<T> { | |
| 45 | ||
| 46 | 3 |
static <T> PropertyTypeRef<T> newPropertyTypeRef(String name, TypeRef<T> type) { |
| 47 | 3 | if (type == null) throw new NullPointerException("The type reference of the property to access should not be null"); |
| 48 | 2 | return new PropertyTypeRef<T>(name, type); |
| 49 | } | |
| 50 | ||
| 51 | private final TypeRef<T> type; | |
| 52 | private final String name; | |
| 53 | ||
| 54 | 2 |
private PropertyTypeRef(String name, TypeRef<T> type) { |
| 55 | 2 | this.name = name; |
| 56 | 2 | this.type = type; |
| 57 | } | |
| 58 | ||
| 59 | /** | |
| 60 | * Returns a new property invoker. A property invoker is capable of accessing (read/write) the underlying property. | |
| 61 | * @param target the object containing the property of interest. | |
| 62 | * @return the created property invoker. | |
| 63 | * @throws NullPointerException if the given target is <code>null</code>. | |
| 64 | * @throws ReflectionError if a property with a matching name and type cannot be found. | |
| 65 | */ | |
| 66 | 2 |
public Invoker<T> in(Object target) { |
| 67 | 2 | return newInvoker(name, type, target); |
| 68 | } | |
| 69 | } | |
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