ColumnReader.java
01 /*
02 * Copyright 2014-2016 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.plugins.glazedlists;
17
18 import javax.annotation.Nonnull;
19 import javax.annotation.Nullable;
20 import java.util.Map;
21
22 import static griffon.util.GriffonClassUtils.getPropertyValue;
23 import static griffon.util.GriffonNameUtils.uncapitalize;
24
25 /**
26 * @author Andres Almiray
27 */
28 public interface ColumnReader<E> {
29 public static final ColumnReader DEFAULT = new ColumnReader() {
30 @Nullable
31 @Override
32 public Object getValue(@Nonnull Object baseObject, @Nonnull String columnName, int columnIndex) {
33 if (baseObject instanceof Map) {
34 return ((Map) baseObject).get(uncapitalize(columnName));
35 }
36 return getPropertyValue(baseObject, uncapitalize(columnName));
37 }
38 };
39
40 @Nullable
41 Object getValue(@Nonnull E baseObject, @Nonnull String columnName, int columnIndex);
42 }