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Data Mapper package is a high-performance data binding package built on Jackson JSON processor

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package org.codehaus.jackson.map.ser;

import java.io.IOException;
import java.lang.reflect.Type;

import org.codehaus.jackson.JsonGenerationException;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.map.SerializerProvider;
import org.codehaus.jackson.map.JsonMappingException;

/**
 * Specialized serializer that can be used as the generic key
 * serializer, when serializing {@link java.util.Map}s to JSON
 * Objects.
 */
public final class StdKeySerializer
    extends SerializerBase
{
    final static StdKeySerializer instace = new StdKeySerializer();

    public StdKeySerializer() { super(Object.class); }
    
    @Override
    public void serialize(Object value, JsonGenerator jgen, SerializerProvider provider)
        throws IOException, JsonGenerationException
    {
        String keyStr = (value.getClass() == String.class) ? ((String) value) : value.toString();
        jgen.writeFieldName(keyStr);
    }

    @Override
    public JsonNode getSchema(SerializerProvider provider, Type typeHint)
        throws JsonMappingException
    {
        return createSchemaNode("string");
    }
}
    

    

    

            

    

            



    
    






    
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