net.sf.jasperreports.data.jdbc.MapDeserializer Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation

Free Java Reporting Library

There is a newer version: 6.21.2

/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.data.jdbc;

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

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;


/**
 * @author Teodor Danciu ([email protected])
 */
public class MapDeserializer extends StdDeserializer>
{
	private static final long serialVersionUID = 1L;

	public MapDeserializer()
	{
		this(null);
	}
	
	public MapDeserializer(Class vc)
	{
		super(vc);
	}

	@Override
	public Map deserialize(JsonParser p, DeserializationContext ctxt, Map intoValue) throws IOException 
	{
		ObjectCodec oc = p.getCodec();
		JsonNode node = oc.readTree(p);
		
		intoValue.put(node.get("key").asText(), node.get("value").asText());
		
		return intoValue;
	}
	
	@Override
	public Map deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException 
	{
		return deserialize(p, ctxt, new HashMap<>());
    }
}