Source code: org/apache/hivemind/schema/rules/InstanceTranslator.java
1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // 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
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.hivemind.schema.rules;
16
17 import org.apache.hivemind.HiveMind;
18 import org.apache.hivemind.Location;
19 import org.apache.hivemind.internal.Module;
20 import org.apache.hivemind.schema.Translator;
21 import org.apache.hivemind.util.InstanceCreationUtils;
22
23 /**
24 * Used to translate from a class name to an instance of the class.
25 *
26 * @author Howard Lewis Ship
27 */
28 public class InstanceTranslator implements Translator
29 {
30 public Object translate(Module contributingModule, Class propertyType, String inputValue,
31 Location location)
32 {
33 if (HiveMind.isBlank(inputValue))
34 return null;
35
36 return InstanceCreationUtils.createInstance(contributingModule, inputValue, location);
37 }
38
39 }