blob: 63aefb7a2c3ad63da25ab1de8341395188279645 (
plain)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.pooling;
import java.io.IOException;
import java.util.Map;
import org.onap.policy.drools.pooling.message.Message;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Serialization helper functions.
*/
public class Serializer {
/**
* Used to encode & decode JSON messages sent & received, respectively, on
* the internal DMaaP topic.
*/
private final ObjectMapper mapper = new ObjectMapper();
/**
*
*/
public Serializer() {
super();
}
/**
* Encodes a filter.
*
* @param filter filter to be encoded
* @return the filter, serialized as a JSON string
* @throws JsonProcessingException if it cannot be serialized
*/
public String encodeFilter(Map<String, Object> filter) throws JsonProcessingException {
return mapper.writeValueAsString(filter);
}
/**
* Encodes a message.
*
* @param msg message to be encoded
* @return the message, serialized as a JSON string
* @throws JsonProcessingException if it cannot be serialized
*/
public String encodeMsg(Message msg) throws JsonProcessingException {
return mapper.writeValueAsString(msg);
}
/**
* Decodes a JSON string into a Message.
*
* @param msg JSON string representing the message
* @return the message
* @throws IOException if it cannot be serialized
*/
public Message decodeMsg(String msg) throws IOException {
return mapper.readValue(msg, Message.class);
}
}
|