verigraph/src/main/java/it/polito/escape/verify/serializer/CustomMapSerializer.java


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

/*******************************************************************************
 * Copyright (c) 2017 Politecnico di Torino and others.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Apache License, Version 2.0
 * which accompanies this distribution, and is available at
 * http://www.apache.org/licenses/LICENSE-2.0
 *******************************************************************************/

package it.polito.escape.verify.serializer;

import java.io.IOException;
import java.util.Map;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import it.polito.escape.verify.exception.InternalServerErrorException;

public class CustomMapSerializer extends JsonSerializer<Map<?, ?>> {
	@Override
	public void serialize(final Map<?, ?> value, final JsonGenerator jgen, final SerializerProvider provider) {
		try {
			jgen.writeObject(value.values());
		} catch (IOException e) {
			throw new InternalServerErrorException("I/O error serializing a map: " + e.getMessage());
		}
	}
}