jackson parser sample

import com.fasterxml.jackson.core.JsonGenerationException;

import com.fasterxml.jackson.databind.JsonMappingException;

import com.fasterxml.jackson.databind.ObjectMapper;

import com.fasterxml.jackson.databind.SerializationFeature;

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public static String getJSON(Map<?, ?> map) throws JsonGenerationException, JsonMappingException, IOException

{

if (map == null ) return null;

ObjectMapper mapper = new ObjectMapper();

// pretty format

mapper.configure(SerializationFeature.INDENT_OUTPUT, true);

StringWriter sw = new StringWriter();

mapper.writeValue(sw, map);

return sw.toString();

}