01 /*
02 * Copyright 2008-2015 the original author or authors.
03 *
04 * Licensed under the Apache License, Version 2.0 (the "License");
05 * you may not use this file except in compliance with the License.
06 * You may obtain a copy of the License at
07 *
08 * http://www.apache.org/licenses/LICENSE-2.0
09 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package griffon.builder.pivot.factory
17
18 /**
19 * This returns a mutable java.util.Collection of some sort, to which items are added.
20 *
21 * @author Danno Ferrin
22 * @author Andres Almiray
23 */
24 class JavaCollectionFactory extends AbstractFactory {
25 private Class collectionClass
26
27 JavaCollectionFactory() {
28 this(ArrayList)
29 }
30
31 JavaCollectionFactory(Class collectionClass) {
32 this.collectionClass = collectionClass
33 }
34
35 public Object newInstance(FactoryBuilderSupport builder, Object name, Object value, Map attributes) throws InstantiationException, IllegalAccessException {
36 FactoryBuilderSupport.checkValueIsNull(value, name)
37 if (attributes.isEmpty()) {
38 return collectionClass.newInstance()
39 } else {
40 def item = attributes.entrySet().iterator().next()
41 throw new MissingPropertyException(
42 "The builder element '$name' is a collections element and accepts no attributes",
43 item.key as String, item.value as Class)
44 }
45 }
46
47 public void setChild(FactoryBuilderSupport builder, Object parent, Object child) {
48 parent.add(child)
49 }
50 }
|