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package eu.dnetlib.parthenos.registry;
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import java.io.IOException;
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import java.io.StringWriter;
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import java.util.UUID;
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import com.fasterxml.jackson.core.JsonFactory;
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import com.fasterxml.jackson.core.JsonGenerator;
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import org.junit.Test;
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/**
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* Created by Alessia Bardi on 02/10/2017.
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*
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* @author Alessia Bardi
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*/
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public class JacksonTest {
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@Test
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public void testJackson() throws IOException {
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JsonFactory jsonFactory = new JsonFactory();
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StringWriter sw = new StringWriter();
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JsonGenerator jgen = jsonFactory.createGenerator(sw);
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jgen.writeStartObject();
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jgen.writeNumberField("id", 1);
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jgen.writeArrayFieldStart("array");
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jgen.writeStartObject();
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jgen.writeStringField("itemName", "theName");
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jgen.writeNumberField("owner", 3);
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jgen.writeEndObject();
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jgen.writeStartObject();
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jgen.writeStringField("itemName", "theName2");
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jgen.writeNumberField("owner", 8);
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jgen.writeEndObject();
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jgen.writeEndArray();
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jgen.writeEndObject();
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jgen.close();
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//sw.flush();
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System.out.println(sw.getBuffer().toString());
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}
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@Test
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public void testJacksonEmbeddedObject() throws IOException {
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JsonFactory jsonFactory = new JsonFactory();
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StringWriter sw = new StringWriter();
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JsonGenerator jgen = jsonFactory.createGenerator(sw);
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jgen.writeStartObject();
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jgen.writeNumberField("id", 1);
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jgen.writeObjectFieldStart("embeddedObj");
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jgen.writeStringField("itemName", "theName");
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jgen.writeNumberField("owner", 3);
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jgen.writeEndObject();
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jgen.writeEndObject();
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jgen.close();
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System.out.println(sw.getBuffer().toString());
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}
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@Test
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public void testHeader() throws IOException {
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JsonFactory jsonFactory = new JsonFactory();
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StringWriter sw = new StringWriter();
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JsonGenerator jgen = jsonFactory.createGenerator(sw);
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jgen.writeStartObject();
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jgen.writeObjectFieldStart("header");
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jgen.writeStringField("uuid", UUID.randomUUID().toString());
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jgen.writeEndObject();
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jgen.writeStringField("@class", "specificType");
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jgen.writeArrayFieldStart("consistsOf");
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jgen.writeEndArray();
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jgen.writeEndObject();
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jgen.close();
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System.out.println(sw.getBuffer().toString());
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}
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}
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