1 /*
2 * Copyright 2012-2021 CodeLibs Project and the Others.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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,
13 * either express or implied. See the License for the specific language
14 * governing permissions and limitations under the License.
15 */
16 package org.codelibs.fess.util;
17
18 import java.util.Collection;
19 import java.util.List;
20 import java.util.stream.Collectors;
21
22 import org.codelibs.core.beans.util.BeanUtil;
23 import org.dbflute.Entity;
24 import org.lastaflute.web.response.render.RenderData;
25
26 public class RenderDataUtil {
27
28 public static void register(final RenderData data, final String key, final Object value) {
29 if (value == null) {
30 return;
31 }
32
33 if (value instanceof Entity) {
34 data.register(key, BeanUtil.copyBeanToNewMap(value));
35 } else {
36 if (value instanceof Collection<?>) {
37 final Collection<?> coll = ((Collection<?>) value);
38 if (!coll.isEmpty()) {
39 // care performance for List that the most frequent pattern
40 final Object first = coll instanceof List<?> ? ((List<?>) coll).get(0) : coll.iterator().next();
41 if (first instanceof Entity) {
42 data.register(key, coll.stream().map(BeanUtil::copyBeanToNewMap).collect(Collectors.toList()));
43 return;
44 }
45 }
46 }
47 data.register(key, value);
48 }
49 }
50
51 }