/*
* Copyright 2002-2016 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 java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
import com.fasterxml.jackson.dataformat.smile.SmileFactory;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.junit.Test;
import org.springframework.beans.FatalBeanException;
import com.fasterxml.jackson.annotation.JsonFilter;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.Version;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.Module;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.PropertyNamingStrategy;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.cfg.DeserializerFactoryConfig;
import com.fasterxml.jackson.databind.cfg.SerializerFactoryConfig;
import com.fasterxml.jackson.databind.deser.BasicDeserializerFactory;
import com.fasterxml.jackson.databind.deser.std.DateDeserializers.DateDeserializer;
import com.fasterxml.jackson.databind.introspect.NopAnnotationIntrospector;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.module.SimpleSerializers;
import com.fasterxml.jackson.databind.ser.BasicSerializerFactory;
import com.fasterxml.jackson.databind.ser.Serializers;
import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
import com.fasterxml.jackson.databind.ser.std.ClassSerializer;
import com.fasterxml.jackson.databind.ser.std.NumberSerializer;
import com.fasterxml.jackson.databind.type.SimpleType;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
/**
* Test cases for {@link Jackson2ObjectMapperFactoryBean}.
*
* @author Dmitry Katsubo
* @author Brian Clozel
* @author Sebastien Deleuze
* @author Sam Brannen
*/
@SuppressWarnings("deprecation")
public class Jackson2ObjectMapperFactoryBeanTests {
private static final String DATE_FORMAT = "yyyy-MM-dd";
private final SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT);
private final Jackson2ObjectMapperFactoryBean factory = new Jackson2ObjectMapperFactoryBean();
@Test
public void settingNullValuesShouldNotThrowExceptions() {
this.factory.setSerializers((JsonSerializer<?>[]) null);
this.factory.setSerializersByType(null);
this.factory.setDeserializersByType(null);
this.factory.setFeaturesToEnable((Object[]) null);
this.factory.setFeaturesToDisable((Object[]) null);
}
@Test(expected = FatalBeanException.class)
public void unknownFeature() {
this.factory.setFeaturesToEnable(Boolean.TRUE);
this.factory.afterPropertiesSet();
}
@Test
public void booleanSetters() {
this.factory.setAutoDetectFields(false);
this.factory.setAutoDetectGettersSetters(false);
this.factory.setDefaultViewInclusion(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.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION));
assertFalse(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS));
assertTrue(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.INDENT_OUTPUT));
assertSame(Include.ALWAYS, objectMapper.getSerializationConfig().getSerializationInclusion());
}
@Test
public void defaultSerializationInclusion() {
this.factory.afterPropertiesSet();
assertSame(Include.ALWAYS, this.factory.getObject().getSerializationConfig().getSerializationInclusion());
}
@Test
public void nonNullSerializationInclusion() {
this.factory.setSerializationInclusion(Include.NON_NULL);
this.factory.afterPropertiesSet();
assertSame(Include.NON_NULL, this.factory.getObject().getSerializationConfig().getSerializationInclusion());
}
@Test
public void nonDefaultSerializationInclusion() {
this.factory.setSerializationInclusion(Include.NON_DEFAULT);
this.factory.afterPropertiesSet();
assertSame(Include.NON_DEFAULT, this.factory.getObject().getSerializationConfig().getSerializationInclusion());
}
@Test
public void nonEmptySerializationInclusion() {
this.factory.setSerializationInclusion(Include.NON_EMPTY);
this.factory.afterPropertiesSet();
assertSame(Include.NON_EMPTY, this.factory.getObject().getSerializationConfig().getSerializationInclusion());
}
@Test
public void setDateFormat() {
this.factory.setDateFormat(this.dateFormat);
this.factory.afterPropertiesSet();
assertEquals(this.dateFormat, this.factory.getObject().getSerializationConfig().getDateFormat());
assertEquals(this.dateFormat, this.factory.getObject().getDeserializationConfig().getDateFormat());
}
@Test
public void setSimpleDateFormat() {
this.factory.setSimpleDateFormat(DATE_FORMAT);
this.factory.afterPropertiesSet();
assertEquals(this.dateFormat, this.factory.getObject().getSerializationConfig().getDateFormat());
assertEquals(this.dateFormat, this.factory.getObject().getDeserializationConfig().getDateFormat());
}
@Test
public void setLocale() {
this.factory.setLocale(Locale.FRENCH);
this.factory.afterPropertiesSet();
assertEquals(Locale.FRENCH, this.factory.getObject().getSerializationConfig().getLocale());
assertEquals(Locale.FRENCH, this.factory.getObject().getDeserializationConfig().getLocale());
}
@Test
public void setTimeZone() {
TimeZone timeZone = TimeZone.getTimeZone("Europe/Paris");
this.factory.setTimeZone(timeZone);
this.factory.afterPropertiesSet();
assertEquals(timeZone, this.factory.getObject().getSerializationConfig().getTimeZone());
assertEquals(timeZone, this.factory.getObject().getDeserializationConfig().getTimeZone());
}
@Test
public void setTimeZoneWithInvalidZoneId() {
this.factory.setTimeZone(TimeZone.getTimeZone("bogusZoneId"));
this.factory.afterPropertiesSet();
TimeZone timeZone = TimeZone.getTimeZone("GMT");
assertEquals(timeZone, this.factory.getObject().getSerializationConfig().getTimeZone());
assertEquals(timeZone, this.factory.getObject().getDeserializationConfig().getTimeZone());
}
@Test
public void setModules() {
NumberSerializer serializer = new NumberSerializer(Integer.class);
SimpleModule module = new SimpleModule();
module.addSerializer(Integer.class, serializer);
this.factory.setModules(Arrays.asList(new Module[]{module}));
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
assertSame(serializer, serializers.findSerializer(null, SimpleType.construct(Integer.class), null));
}
@Test
public void defaultModules() throws JsonProcessingException, UnsupportedEncodingException {
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
Long timestamp = 1322903730000L;
DateTime dateTime = new DateTime(timestamp, DateTimeZone.UTC);
assertEquals(timestamp.toString(), new String(objectMapper.writeValueAsBytes(dateTime), "UTF-8"));
}
@Test // SPR-12634
@SuppressWarnings("unchecked")
public void customizeDefaultModulesWithModuleClass() throws JsonProcessingException, UnsupportedEncodingException {
this.factory.setModulesToInstall(CustomIntegerModule.class);
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
DateTime dateTime = new DateTime(1322903730000L, DateTimeZone.UTC);
assertEquals("1322903730000", new String(objectMapper.writeValueAsBytes(dateTime), "UTF-8"));
assertThat(new String(objectMapper.writeValueAsBytes(new Integer(4)), "UTF-8"), containsString("customid"));
}
@Test // SPR-12634
public void customizeDefaultModulesWithSerializer() throws JsonProcessingException, UnsupportedEncodingException {
Map<Class<?>, JsonSerializer<?>> serializers = new HashMap<>();
serializers.put(Integer.class, new CustomIntegerSerializer());
this.factory.setSerializersByType(serializers);
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
DateTime dateTime = new DateTime(1322903730000L, DateTimeZone.UTC);
assertEquals("1322903730000", new String(objectMapper.writeValueAsBytes(dateTime), "UTF-8"));
assertThat(new String(objectMapper.writeValueAsBytes(new Integer(4)), "UTF-8"), containsString("customid"));
}
@Test
public void simpleSetup() {
this.factory.afterPropertiesSet();
assertNotNull(this.factory.getObject());
assertTrue(this.factory.isSingleton());
assertEquals(ObjectMapper.class, this.factory.getObjectType());
}
@Test
public void undefinedObjectType() {
assertNull(this.factory.getObjectType());
}
private static SerializerFactoryConfig getSerializerFactoryConfig(ObjectMapper objectMapper) {
return ((BasicSerializerFactory) objectMapper.getSerializerFactory()).getFactoryConfig();
}
private static DeserializerFactoryConfig getDeserializerFactoryConfig(ObjectMapper objectMapper) {
return ((BasicDeserializerFactory) objectMapper.getDeserializationContext().getFactory()).getFactoryConfig();
}
@Test
public void propertyNamingStrategy() {
PropertyNamingStrategy strategy = new PropertyNamingStrategy.LowerCaseWithUnderscoresStrategy();
this.factory.setPropertyNamingStrategy(strategy);
this.factory.afterPropertiesSet();
assertSame(strategy, this.factory.getObject().getSerializationConfig().getPropertyNamingStrategy());
assertSame(strategy, this.factory.getObject().getDeserializationConfig().getPropertyNamingStrategy());
}
@Test
public void setMixIns() {
Class<?> target = String.class;
Class<?> mixinSource = Object.class;
Map<Class<?>, Class<?>> mixIns = new HashMap<>();
mixIns.put(target, mixinSource);
this.factory.setModules(Collections.emptyList());
this.factory.setMixIns(mixIns);
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
assertEquals(1, objectMapper.mixInCount());
assertSame(mixinSource, objectMapper.findMixInClassFor(target));
}
@Test
public void setFilters() throws JsonProcessingException {
this.factory.setFilters(new SimpleFilterProvider().setFailOnUnknownId(false));
this.factory.afterPropertiesSet();
ObjectMapper objectMapper = this.factory.getObject();
JacksonFilteredBean bean = new JacksonFilteredBean("value1", "value2");
String output = objectMapper.writeValueAsString(bean);
assertThat(output, containsString("value1"));
assertThat(output, containsString("value2"));
}
@Test
public void completeSetup() {
NopAnnotationIntrospector annotationIntrospector = NopAnnotationIntrospector.instance;
ObjectMapper objectMapper = new ObjectMapper();
this.factory.setObjectMapper(objectMapper);
assertTrue(this.factory.isSingleton());
assertEquals(ObjectMapper.class, this.factory.getObjectType());
Map<Class<?>, JsonDeserializer<?>> deserializers = new HashMap<>();
deserializers.put(Date.class, new DateDeserializer());
JsonSerializer<Class<?>> serializer1 = new ClassSerializer();
JsonSerializer<Number> serializer2 = new NumberSerializer(Integer.class);
// Disable well-known modules detection
this.factory.setModules(new ArrayList<>());
this.factory.setSerializers(serializer1);
this.factory.setSerializersByType(Collections.singletonMap(Boolean.class, serializer2));
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.setSerializationInclusion(Include.NON_NULL);
this.factory.afterPropertiesSet();
assertSame(objectMapper, this.factory.getObject());
assertTrue(getSerializerFactoryConfig(objectMapper).hasSerializers());
assertTrue(getDeserializerFactoryConfig(objectMapper).hasDeserializers());
Serializers serializers = getSerializerFactoryConfig(objectMapper).serializers().iterator().next();
assertSame(serializer1, serializers.findSerializer(null, SimpleType.construct(Class.class), null));
assertSame(serializer2, serializers.findSerializer(null, SimpleType.construct(Boolean.class), null));
assertNull(serializers.findSerializer(null, SimpleType.construct(Number.class), null));
assertSame(annotationIntrospector, objectMapper.getSerializationConfig().getAnnotationIntrospector());
assertSame(annotationIntrospector, objectMapper.getDeserializationConfig().getAnnotationIntrospector());
assertTrue(objectMapper.getSerializationConfig().isEnabled(SerializationFeature.FAIL_ON_EMPTY_BEANS));
assertTrue(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE));
assertTrue(objectMapper.getFactory().isEnabled(JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER));
assertTrue(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.WRITE_NUMBERS_AS_STRINGS));
assertFalse(objectMapper.getSerializationConfig().isEnabled(MapperFeature.AUTO_DETECT_GETTERS));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.DEFAULT_VIEW_INCLUSION));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES));
assertFalse(objectMapper.getDeserializationConfig().isEnabled(MapperFeature.AUTO_DETECT_FIELDS));
assertFalse(objectMapper.getFactory().isEnabled(JsonParser.Feature.AUTO_CLOSE_SOURCE));
assertFalse(objectMapper.getFactory().isEnabled(JsonGenerator.Feature.QUOTE_FIELD_NAMES));
assertSame(Include.NON_NULL, objectMapper.getSerializationConfig().getSerializationInclusion());
}
@Test
public void setObjectMapper() {
this.factory.setObjectMapper(new XmlMapper());
this.factory.afterPropertiesSet();
assertNotNull(this.factory.getObject());
assertTrue(this.factory.isSingleton());
assertEquals(XmlMapper.class, this.factory.getObjectType());
}
@Test
public void setCreateXmlMapper() {
this.factory.setCreateXmlMapper(true);
this.factory.afterPropertiesSet();
assertNotNull(this.factory.getObject());
assertTrue(this.factory.isSingleton());
assertEquals(XmlMapper.class, this.factory.getObjectType());
}
@Test // SPR-14435
public void setFactory() {
this.factory.setFactory(new SmileFactory());
this.factory.afterPropertiesSet();
assertNotNull(this.factory.getObject());
assertTrue(this.factory.isSingleton());
assertEquals(SmileFactory.class, this.factory.getObject().getFactory().getClass());
}
public static class CustomIntegerModule extends Module {
@Override
public String getModuleName() {
return this.getClass().getSimpleName();
}
@Override
public Version version() {
return Version.unknownVersion();
}
@Override
public void setupModule(SetupContext context) {
SimpleSerializers serializers = new SimpleSerializers();
serializers.addSerializer(Integer.class, new CustomIntegerSerializer());
context.addSerializers(serializers);
}
}
public static class CustomIntegerSerializer extends JsonSerializer<Integer> {
@Override
public void serialize(Integer value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
gen.writeStartObject();
gen.writeNumberField("customid", value);
gen.writeEndObject();
}
}
@JsonFilter("myJacksonFilter")
public static class JacksonFilteredBean {
private String property1;
private String property2;
public JacksonFilteredBean(String property1, String property2) {
this.property1 = property1;
this.property2 = property2;
}
public String getProperty1() {
return property1;
}
public void setProperty1(String property1) {
this.property1 = property1;
}
public String getProperty2() {
return property2;
}
public void setProperty2(String property2) {
this.property2 = property2;
}
}
}