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eugenp
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further jackson work - ignroing new fields, and some httpclient cookie work
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‎httpclient/src/test/java/org/baeldung/httpclient/HttpClientCookieLiveTest.java‎

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@@ -69,6 +69,7 @@ public final void givenUsingDeprecatedApi_whenSettingCookiesOnTheHttpClient_then
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final BasicCookieStore cookieStore = new BasicCookieStore();
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final BasicClientCookie cookie = new BasicClientCookie("JSESSIONID", "1234");
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cookie.setDomain(".github.com");
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cookie.setPath("/");
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cookieStore.addCookie(cookie);
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final DefaultHttpClient client = new DefaultHttpClient();
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client.setCookieStore(cookieStore);
@@ -85,6 +86,7 @@ public final void whenSettingCookiesOnTheHttpClient_thenCookieSentCorrectly() th
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final BasicCookieStore cookieStore = new BasicCookieStore();
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final BasicClientCookie cookie = new BasicClientCookie("JSESSIONID", "1234");
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cookie.setDomain(".github.com");
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cookie.setPath("/");
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cookieStore.addCookie(cookie);
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instance = HttpClientBuilder.create().setDefaultCookieStore(cookieStore).build();
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@@ -100,13 +102,15 @@ public final void whenSettingCookiesOnTheRequest_thenCookieSentCorrectly() throw
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final BasicCookieStore cookieStore = new BasicCookieStore();
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final BasicClientCookie cookie = new BasicClientCookie("JSESSIONID", "1234");
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cookie.setDomain(".github.com");
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cookie.setPath("/");
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cookieStore.addCookie(cookie);
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instance = HttpClientBuilder.create().build();
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final HttpGet request = new HttpGet("http://www.github.com");
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final HttpContext localContext = new BasicHttpContext();
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localContext.setAttribute(HttpClientContext.COOKIE_STORE, cookieStore);
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// localContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore); // before 4.3
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response = instance.execute(request, localContext);
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assertThat(response.getStatusLine().getStatusCode(), equalTo(200));

‎httpclient/src/test/java/org/baeldung/httpclient/HttpClientLiveTest.java‎

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@@ -157,4 +157,30 @@ public final void whenRequestHasCustomUserAgent_thenCorrect() throws ClientProto
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response = instance.execute(new HttpGet(SAMPLE_URL));
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}
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// tests - cancel request
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@Test
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public final void whenRequestIsCanceled_thenCorrect() throws ClientProtocolException, IOException {
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instance = HttpClients.custom().build();
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final HttpGet request = new HttpGet(SAMPLE_URL);
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response = instance.execute(request);
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try {
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final HttpEntity entity = response.getEntity();
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System.out.println("----------------------------------------");
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System.out.println(response.getStatusLine());
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if (entity != null) {
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System.out.println("Response content length: " + entity.getContentLength());
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}
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System.out.println("----------------------------------------");
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// Do not feel like reading the response body
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// Call abort on the request object
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request.abort();
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} finally {
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response.close();
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}
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}
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}

‎jackson/src/test/java/org/baeldung/jackson/ignore/MyDtoIgnoreNull.java‎

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@@ -0,0 +1,51 @@
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package org.baeldung.jackson.ignore;
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import com.fasterxml.jackson.annotation.JsonInclude;
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import com.fasterxml.jackson.annotation.JsonInclude.Include;
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@JsonInclude(Include.NON_NULL)
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public class MyDtoIgnoreNull {
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private String stringValue;
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private int intValue;
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private boolean booleanValue;
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public MyDtoIgnoreNull() {
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super();
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}
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public MyDtoIgnoreNull(final String stringValue, final int intValue, final boolean booleanValue) {
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super();
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this.stringValue = stringValue;
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this.intValue = intValue;
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this.booleanValue = booleanValue;
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}
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// API
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public String getStringValue() {
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return stringValue;
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}
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public void setStringValue(final String stringValue) {
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this.stringValue = stringValue;
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}
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public int getIntValue() {
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return intValue;
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}
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public void setIntValue(final int intValue) {
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this.intValue = intValue;
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}
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public boolean isBooleanValue() {
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return booleanValue;
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}
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public void setBooleanValue(final boolean booleanValue) {
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this.booleanValue = booleanValue;
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}
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}

‎jackson/src/test/java/org/baeldung/jackson/test/JacksonCollectionDeserializationUnitTest.java‎

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package org.baeldung.jackson.test;
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import static org.hamcrest.Matchers.instanceOf;
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import static org.junit.Assert.assertThat;
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import java.io.IOException;
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import java.util.LinkedHashMap;
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import java.util.List;
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import org.baeldung.jackson.ignore.MyDto;
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import org.junit.Test;
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import com.fasterxml.jackson.core.JsonParseException;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.JsonMappingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.type.CollectionType;
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import com.google.common.collect.Lists;
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public class JacksonCollectionDeserializationUnitTest {
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// tests - json to multiple entity
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@Test
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public final void givenJsonArray_whenDeserializingAsArray_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
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final ObjectMapper mapper = new ObjectMapper();
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final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
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final String jsonArray = mapper.writeValueAsString(listOfDtos);
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// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
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final MyDto[] asArray = mapper.readValue(jsonArray, MyDto[].class);
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assertThat(asArray[0], instanceOf(MyDto.class));
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}
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@Test
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public final void givenJsonArray_whenDeserializingAsListWithNoTypeInfo_thenNotCorrect() throws JsonParseException, JsonMappingException, IOException {
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final ObjectMapper mapper = new ObjectMapper();
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final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
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final String jsonArray = mapper.writeValueAsString(listOfDtos);
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// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
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final List<MyDto> asList = mapper.readValue(jsonArray, List.class);
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assertThat((Object) asList.get(0), instanceOf(LinkedHashMap.class));
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}
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@Test
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public final void givenJsonArray_whenDeserializingAsListWithTypeReferenceHelp_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
50+
final ObjectMapper mapper = new ObjectMapper();
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final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
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final String jsonArray = mapper.writeValueAsString(listOfDtos);
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// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
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final List<MyDto> asList = mapper.readValue(jsonArray, new TypeReference<List<MyDto>>() {
57+
});
58+
assertThat(asList.get(0), instanceOf(MyDto.class));
59+
}
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@Test
62+
public final void givenJsonArray_whenDeserializingAsListWithJavaTypeHelp_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
63+
final ObjectMapper mapper = new ObjectMapper();
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65+
final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
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final String jsonArray = mapper.writeValueAsString(listOfDtos);
67+
// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
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69+
final CollectionType javaType = mapper.getTypeFactory().constructCollectionType(List.class, MyDto.class);
70+
final List<MyDto> asList = mapper.readValue(jsonArray, javaType);
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assertThat(asList.get(0), instanceOf(MyDto.class));
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}
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}
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// a (private) no-args constructor is required (simulate without)

‎jackson/src/test/java/org/baeldung/jackson/test/JacksonSerializationUnitTest.java‎

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@@ -11,13 +11,16 @@
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import org.baeldung.jackson.ignore.MyDtoFieldNameChanged;
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import org.baeldung.jackson.ignore.MyDtoIgnoreField;
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import org.baeldung.jackson.ignore.MyDtoIgnoreFieldByName;
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import org.baeldung.jackson.ignore.MyDtoIgnoreNull;
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import org.baeldung.jackson.ignore.MyDtoIncludeNonDefault;
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import org.baeldung.jackson.ignore.MyDtoWithFilter;
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import org.baeldung.jackson.ignore.MyMixInForString;
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import org.junit.Test;
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import com.fasterxml.jackson.annotation.JsonInclude.Include;
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import com.fasterxml.jackson.core.JsonGenerator;
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import com.fasterxml.jackson.core.JsonParseException;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.SerializerProvider;
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import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;
@@ -169,6 +172,33 @@ protected final boolean include(final PropertyWriter writer) {
169172
System.out.println(dtoAsString);
170173
}
171174

175+
@Test
176+
public final void givenIgnoringNullFieldsOnClass_whenSerializingObjectWithNullField_thenFieldIsIgnroed() throws JsonProcessingException {
177+
final ObjectMapper mapper = new ObjectMapper();
178+
final MyDtoIgnoreNull dtoObject = new MyDtoIgnoreNull();
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180+
final String dtoAsString = mapper.writeValueAsString(dtoObject);
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182+
assertThat(dtoAsString, containsString("intValue"));
183+
assertThat(dtoAsString, containsString("booleanValue"));
184+
assertThat(dtoAsString, not(containsString("stringValue")));
185+
System.out.println(dtoAsString);
186+
}
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@Test
189+
public final void givenIgnoringNullFieldsGlobally_whenSerializingObjectWithNullField_thenFieldIsIgnroed() throws JsonProcessingException {
190+
final ObjectMapper mapper = new ObjectMapper();
191+
mapper.setSerializationInclusion(Include.NON_NULL);
192+
final MyDto dtoObject = new MyDto();
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194+
final String dtoAsString = mapper.writeValueAsString(dtoObject);
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assertThat(dtoAsString, containsString("intValue"));
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assertThat(dtoAsString, containsString("booleanValue"));
198+
assertThat(dtoAsString, not(containsString("stringValue")));
199+
System.out.println(dtoAsString);
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}
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// tests - multiple entities to json
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@Test

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