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Add Jackson2ObjectMapperBeanFactory

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Issue: SPR-9739
This commit is contained in:
Dmitry Katsubo
2012-08-29 21:17:10 +02:00
committed by Rossen Stoyanchev
parent 76e28cb08b
commit 950786a8cc
6 changed files with 541 additions and 22 deletions
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191
spring-web/src/test/java/org/springframework/http/converter/json/Jackson2ObjectMapperFactoryBeanTests.java Normal file
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@@ -0,0 +1,191 @@
/*
* Copyright 2002-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.http.converter.json;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.FatalBeanException;
import org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.cfg.DeserializerFactoryConfig;
import com.fasterxml.jackson.databind.cfg.SerializerFactoryConfig;
import com.fasterxml.jackson.databind.deser.std.DateDeserializers.DateDeserializer;
import com.fasterxml.jackson.databind.introspect.NopAnnotationIntrospector;
import com.fasterxml.jackson.databind.ser.std.StdJdkSerializers.ClassSerializer;
/**
* Test cases for {@link Jackson2ObjectMapperFactoryBean} class.
*
* @author <a href="mailto:dmitry.katsubo@gmail.com">Dmitry Katsubo</a>
*/
public class Jackson2ObjectMapperFactoryBeanTests {
private static final String DATE_FORMAT = "yyyy-MM-dd";
private Jackson2ObjectMapperFactoryBean factory;
@Before
public void setUp() {
factory = new Jackson2ObjectMapperFactoryBean();
}
@Test
public void testSetFeaturesToEnableEmpty() {
this.factory.setFeaturesToEnable(new Object[0]);
this.factory.setFeaturesToDisable(new Object[0]);
}
@Test(expected = FatalBeanException.class)
public void testUnknownFeature() {
this.factory.setFeaturesToEnable(new Object[] { Boolean.TRUE });
this.factory.afterPropertiesSet();
}
@Test
public void testBooleanSetters() {
this.factory.setAutoDetectFields(false);
this.factory.setAutoDetectGettersSetters(false);
this.factory.setFailOnEmptyBeans(false);
this.factory.setIndentOutput(true);
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS));
assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_SETTERS));
assertFalse(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS));
assertTrue(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.INDENT_OUTPUT));
}
@Test
public void testDateTimeFormatSetter() {
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
this.factory.setDateFormat(dateFormat);
this.factory.afterPropertiesSet();
assertEquals(dateFormat, this.factory.getObject().getSerializationConfig().getDateFormat());
assertEquals(dateFormat, this.factory.getObject().getDeserializationConfig().getDateFormat());
}
@Test
public void testSimpleDateFormatStringSetter() {
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
this.factory.setSimpleDateFormat(DATE_FORMAT);
this.factory.afterPropertiesSet();
assertEquals(dateFormat, this.factory.getObject().getSerializationConfig().getDateFormat());
assertEquals(dateFormat, this.factory.getObject().getDeserializationConfig().getDateFormat());
}
@Test
public void testSimpleSetup() {
this.factory.afterPropertiesSet();
assertNotNull(this.factory.getObject());
assertTrue(this.factory.isSingleton());
assertEquals(ObjectMapper.class, this.factory.getObjectType());
}
/**
* TODO: Remove use of {@link DirectFieldAccessor} with getters.
* See <a href="https://github.com/FasterXML/jackson-databind/issues/65">issue#65</a>.
*/
private static final SerializerFactoryConfig getSerializerFactoryConfig(ObjectMapper objectMapper) {
Object factoryProp = new DirectFieldAccessor(objectMapper).getPropertyValue("_serializerFactory");
return (SerializerFactoryConfig) new DirectFieldAccessor(factoryProp).getPropertyValue("_factoryConfig");
}
private static final DeserializerFactoryConfig getDeserializerFactoryConfig(ObjectMapper objectMapper) {
Object contextProp = new DirectFieldAccessor(objectMapper).getPropertyValue("_deserializationContext");
Object factoryProp = new DirectFieldAccessor(contextProp).getPropertyValue("_factory");
return (DeserializerFactoryConfig) new DirectFieldAccessor(factoryProp).getPropertyValue("_factoryConfig");
}
@Test
public void testCompleteSetup() {
NopAnnotationIntrospector annotationIntrospector = NopAnnotationIntrospector.instance;
ObjectMapper objectMapper = new ObjectMapper();
assertTrue(this.factory.isSingleton());
assertEquals(ObjectMapper.class, this.factory.getObjectType());
Map<Class<?>, JsonDeserializer<?>> deserializers = new HashMap<Class<?>, JsonDeserializer<?>>();
deserializers.put(Date.class, new DateDeserializer());
this.factory.setObjectMapper(objectMapper);
this.factory.setSerializers(new ClassSerializer());
this.factory.setDeserializersByType(deserializers);
this.factory.setAnnotationIntrospector(annotationIntrospector);
this.factory.setFeaturesToEnable(
SerializationFeature.FAIL_ON_EMPTY_BEANS,
DeserializationFeature.UNWRAP_ROOT_VALUE,
JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER,
JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS);
this.factory.setFeaturesToDisable(
MapperFeature.AUTO_DETECT_GETTERS,
MapperFeature.AUTO_DETECT_FIELDS,
JsonParser.Feature.AUTO_CLOSE_SOURCE,
JsonGenerator.Feature.QUOTE_FIELD_NAMES);
assertFalse(getSerializerFactoryConfig(objectMapper).hasSerializers());
assertFalse(getDeserializerFactoryConfig(objectMapper).hasDeserializers());
this.factory.afterPropertiesSet();
assertTrue(objectMapper == this.factory.getObject());
assertTrue(getSerializerFactoryConfig(objectMapper).hasSerializers());
assertTrue(getDeserializerFactoryConfig(objectMapper).hasDeserializers());
assertTrue(annotationIntrospector == objectMapper.getSerializationConfig().getAnnotationIntrospector());
assertTrue(annotationIntrospector == objectMapper.getDeserializationConfig().getAnnotationIntrospector());
assertTrue(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS));
assertTrue(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE));
assertTrue(objectMapper.getJsonFactory().isEnabled(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER));
assertTrue(objectMapper.getJsonFactory().isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS));
assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS));
assertFalse(objectMapper.getJsonFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE));
assertFalse(objectMapper.getJsonFactory().isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES));
}
}

2
spring-web/src/test/java/org/springframework/http/converter/json/JacksonObjectMapperFactoryBeanTests.java
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@@ -32,8 +32,6 @@ import org.codehaus.jackson.map.SerializationConfig;
import org.codehaus.jackson.map.introspect.NopAnnotationIntrospector;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.FatalBeanException;
import org.springframework.http.converter.json.JacksonObjectMapperFactoryBean;
/**
* @author <a href="mailto:dmitry.katsubo@gmail.com">Dmitry Katsubo</a>

2
spring-web/src/test/java/org/springframework/http/converter/json/MappingJackson2HttpMessageConverterTests.java
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@@ -52,7 +52,7 @@ public class MappingJackson2HttpMessageConverterTests extends AbstractMappingJac
@Override
protected JavaType getJavaType(Type type) {
if (type instanceof Class && List.class.isAssignableFrom((Class)type)) {
if (type instanceof Class && List.class.isAssignableFrom((Class<?>)type)) {
return new ObjectMapper().getTypeFactory().constructCollectionType(ArrayList.class, MyBean.class);
}
else {

2
spring-web/src/test/java/org/springframework/http/converter/json/MappingJacksonHttpMessageConverterTests.java
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@@ -50,7 +50,7 @@ public class MappingJacksonHttpMessageConverterTests extends AbstractMappingJack
MappingJacksonHttpMessageConverter converter = new MappingJacksonHttpMessageConverter() {
@Override
protected JavaType getJavaType(Type type) {
if (type instanceof Class && List.class.isAssignableFrom((Class)type)) {
if (type instanceof Class && List.class.isAssignableFrom((Class<?>)type)) {
return TypeFactory.collectionType(ArrayList.class, MyBean.class);
}
else {