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further jackson work - ignroing new fields, and some httpclient cookie work

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This commit is contained in:
eugenp
2013-12-23 15:24:05 +02:00
parent e4df951d1b
commit c4b0cfcb43
5 changed files with 186 additions and 0 deletions
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jackson/src/test/java/org/baeldung/jackson/ignore/MyDtoIgnoreNull.java
+51
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@@ -0,0 +1,51 @@
package org.baeldung.jackson.ignore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
@JsonInclude(Include.NON_NULL)
public class MyDtoIgnoreNull {
private String stringValue;
private int intValue;
private boolean booleanValue;
public MyDtoIgnoreNull() {
super();
}
public MyDtoIgnoreNull(final String stringValue, final int intValue, final boolean booleanValue) {
super();
this.stringValue = stringValue;
this.intValue = intValue;
this.booleanValue = booleanValue;
}
// API
public String getStringValue() {
return stringValue;
}
public void setStringValue(final String stringValue) {
this.stringValue = stringValue;
}
public int getIntValue() {
return intValue;
}
public void setIntValue(final int intValue) {
this.intValue = intValue;
}
public boolean isBooleanValue() {
return booleanValue;
}
public void setBooleanValue(final boolean booleanValue) {
this.booleanValue = booleanValue;
}
}
jackson/src/test/java/org/baeldung/jackson/test/JacksonCollectionDeserializationUnitTest.java
+75
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@@ -0,0 +1,75 @@
package org.baeldung.jackson.test;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertThat;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.List;
import org.baeldung.jackson.ignore.MyDto;
import org.junit.Test;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.CollectionType;
import com.google.common.collect.Lists;
public class JacksonCollectionDeserializationUnitTest {
// tests - json to multiple entity
@Test
public final void givenJsonArray_whenDeserializingAsArray_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
final ObjectMapper mapper = new ObjectMapper();
final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
final String jsonArray = mapper.writeValueAsString(listOfDtos);
// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
final MyDto[] asArray = mapper.readValue(jsonArray, MyDto[].class);
assertThat(asArray[0], instanceOf(MyDto.class));
}
@Test
public final void givenJsonArray_whenDeserializingAsListWithNoTypeInfo_thenNotCorrect() throws JsonParseException, JsonMappingException, IOException {
final ObjectMapper mapper = new ObjectMapper();
final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
final String jsonArray = mapper.writeValueAsString(listOfDtos);
// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
final List<MyDto> asList = mapper.readValue(jsonArray, List.class);
assertThat((Object) asList.get(0), instanceOf(LinkedHashMap.class));
}
@Test
public final void givenJsonArray_whenDeserializingAsListWithTypeReferenceHelp_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
final ObjectMapper mapper = new ObjectMapper();
final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
final String jsonArray = mapper.writeValueAsString(listOfDtos);
// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
final List<MyDto> asList = mapper.readValue(jsonArray, new TypeReference<List<MyDto>>() {
});
assertThat(asList.get(0), instanceOf(MyDto.class));
}
@Test
public final void givenJsonArray_whenDeserializingAsListWithJavaTypeHelp_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
final ObjectMapper mapper = new ObjectMapper();
final List<MyDto> listOfDtos = Lists.newArrayList(new MyDto("a", 1, true), new MyDto("bc", 3, false));
final String jsonArray = mapper.writeValueAsString(listOfDtos);
// [{"stringValue":"a","intValue":1,"booleanValue":true},{"stringValue":"bc","intValue":3,"booleanValue":false}]
final CollectionType javaType = mapper.getTypeFactory().constructCollectionType(List.class, MyDto.class);
final List<MyDto> asList = mapper.readValue(jsonArray, javaType);
assertThat(asList.get(0), instanceOf(MyDto.class));
}
}
// a (private) no-args constructor is required (simulate without)
jackson/src/test/java/org/baeldung/jackson/test/JacksonSerializationUnitTest.java
+30
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@@ -11,13 +11,16 @@ import org.baeldung.jackson.ignore.MyDto;
import org.baeldung.jackson.ignore.MyDtoFieldNameChanged;
import org.baeldung.jackson.ignore.MyDtoIgnoreField;
import org.baeldung.jackson.ignore.MyDtoIgnoreFieldByName;
import org.baeldung.jackson.ignore.MyDtoIgnoreNull;
import org.baeldung.jackson.ignore.MyDtoIncludeNonDefault;
import org.baeldung.jackson.ignore.MyDtoWithFilter;
import org.baeldung.jackson.ignore.MyMixInForString;
import org.junit.Test;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;
@@ -169,6 +172,33 @@ public class JacksonSerializationUnitTest {
System.out.println(dtoAsString);
}
@Test
public final void givenIgnoringNullFieldsOnClass_whenSerializingObjectWithNullField_thenFieldIsIgnroed() throws JsonProcessingException {
final ObjectMapper mapper = new ObjectMapper();
final MyDtoIgnoreNull dtoObject = new MyDtoIgnoreNull();
final String dtoAsString = mapper.writeValueAsString(dtoObject);
assertThat(dtoAsString, containsString("intValue"));
assertThat(dtoAsString, containsString("booleanValue"));
assertThat(dtoAsString, not(containsString("stringValue")));
System.out.println(dtoAsString);
}
@Test
public final void givenIgnoringNullFieldsGlobally_whenSerializingObjectWithNullField_thenFieldIsIgnroed() throws JsonProcessingException {
final ObjectMapper mapper = new ObjectMapper();
mapper.setSerializationInclusion(Include.NON_NULL);
final MyDto dtoObject = new MyDto();
final String dtoAsString = mapper.writeValueAsString(dtoObject);
assertThat(dtoAsString, containsString("intValue"));
assertThat(dtoAsString, containsString("booleanValue"));
assertThat(dtoAsString, not(containsString("stringValue")));
System.out.println(dtoAsString);
}
// tests - multiple entities to json
@Test