01 /*
02 * SPDX-License-Identifier: Apache-2.0
03 *
04 * Copyright 2008-2017 the original author or authors.
05 *
06 * Licensed under the Apache License, Version 2.0 (the "License");
07 * you may not use this file except in compliance with the License.
08 * You may obtain a copy of the License at
09 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package griffon.builder.pivot.factory
19
20 /**
21 * This returns a mutable java.util.Collection of some sort, to which items are added.
22 *
23 * @author Danno Ferrin
24 * @author Andres Almiray
25 */
26 class JavaCollectionFactory extends AbstractFactory {
27 private Class collectionClass
28
29 JavaCollectionFactory() {
30 this(ArrayList)
31 }
32
33 JavaCollectionFactory(Class collectionClass) {
34 this.collectionClass = collectionClass
35 }
36
37 Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) throws InstantiationException, IllegalAccessException {
38 FactoryBuilderSupport.checkValueIsNull(value, name)
39 if (attributes.isEmpty()) {
40 return collectionClass.newInstance()
41 } else {
42 def item = attributes.entrySet().iterator().next()
43 throw new MissingPropertyException(
44 "The builder element '$name' is a collections element and accepts no attributes",
45 item.key as String, item.value as Class)
46 }
47 }
48
49 void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
50 parent.add(child)
51 }
52 }
|