AbstractWebResource.java
2.03 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.rest;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.onlab.rest.BaseResource;
import org.onosproject.codec.CodecContext;
import org.onosproject.codec.CodecService;
import org.onosproject.codec.JsonCodec;
/**
* Abstract REST resource.
*/
public class AbstractWebResource extends BaseResource implements CodecContext {
@Override
public ObjectMapper mapper() {
return new ObjectMapper();
}
/**
* Returns the JSON codec for the specified entity class.
*
* @param entityClass entity class
* @param <T> entity type
* @return JSON codec
*/
public <T> JsonCodec<T> codec(Class<T> entityClass) {
return get(CodecService.class).getCodec(entityClass);
}
/**
* Returns JSON object wrapping the array encoding of the specified
* collection of items.
*
* @param codecClass codec item class
* @param field field holding the array
* @param items collection of items to be encoded into array
* @param <T> item type
* @return JSON object
*/
protected <T> ObjectNode encodeArray(Class<T> codecClass, String field,
Iterable<T> items) {
ObjectNode result = mapper().createObjectNode();
result.set(field, codec(codecClass).encode(items, this));
return result;
}
}