AriadnePlus/dnet-ariadneplus-publisher/test/main/java/eu/dnetlib/ariadneplus/registry/JacksonTest.java

80 lines
2.2 KiB
Java

package eu.dnetlib.ariadneplus.registry;
import java.io.IOException;
import java.io.StringWriter;
import java.util.UUID;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Created by Alessia Bardi on 02/10/2017.
*
* @author Alessia Bardi
*/
@RunWith(JUnit4.class)
public class JacksonTest {
@Test
public void testJackson() throws IOException {
JsonFactory jsonFactory = new JsonFactory();
StringWriter sw = new StringWriter();
JsonGenerator jgen = jsonFactory.createGenerator(sw);
jgen.writeStartObject();
jgen.writeNumberField("id", 1);
jgen.writeArrayFieldStart("array");
jgen.writeStartObject();
jgen.writeStringField("itemName", "theName");
jgen.writeNumberField("owner", 3);
jgen.writeEndObject();
jgen.writeStartObject();
jgen.writeStringField("itemName", "theName2");
jgen.writeNumberField("owner", 8);
jgen.writeEndObject();
jgen.writeEndArray();
jgen.writeEndObject();
jgen.close();
//sw.flush();
System.out.println(sw.getBuffer().toString());
}
@Test
public void testJacksonEmbeddedObject() throws IOException {
JsonFactory jsonFactory = new JsonFactory();
StringWriter sw = new StringWriter();
JsonGenerator jgen = jsonFactory.createGenerator(sw);
jgen.writeStartObject();
jgen.writeNumberField("id", 1);
jgen.writeObjectFieldStart("embeddedObj");
jgen.writeStringField("itemName", "theName");
jgen.writeNumberField("owner", 3);
jgen.writeEndObject();
jgen.writeEndObject();
jgen.close();
System.out.println(sw.getBuffer().toString());
}
@Test
public void testHeader() throws IOException {
JsonFactory jsonFactory = new JsonFactory();
StringWriter sw = new StringWriter();
JsonGenerator jgen = jsonFactory.createGenerator(sw);
jgen.writeStartObject();
jgen.writeObjectFieldStart("header");
jgen.writeStringField("uuid", UUID.randomUUID().toString());
jgen.writeEndObject();
jgen.writeStringField("@class", "specificType");
jgen.writeArrayFieldStart("consistsOf");
jgen.writeEndArray();
jgen.writeEndObject();
jgen.close();
System.out.println(sw.getBuffer().toString());
}
}