I want to configure my Jackson (2.7.4) to indent output (pretty print) in my Spring (4.2.6) MVC controllers.
I have controllers that have the @ResponseBody that of course converts to JSON. I am using a context.xml file. I have this so far:
<mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper">
<bean class="com.fasterxml.jackson.databind.ObjectMapper">
<!--- WHAT GOES HERE -->
</bean>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
I want to set configure(SerializationFeature f, boolean state) of the ObjectMapper like this:
configure(SerializationFeature.INDENT_OUTPUT, TRUE)
How do I do this in my spring context?
You can use Jackson2ObjectMapperFactoryBean to configure ObjectMapper instance
Example
<property name="objectMapper">
<bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean"
p:failOnEmptyBeans="false"
p:indentOutput="true">
<!-- Other properties -->
</bean>
</property>
Are you looking somthing like this?
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
<property name="objectMapper">
<bean class="com.kulhade.config.CustomObjectMapper">
<constructor-arg type="com.fasterxml.jackson.databind.SerializationFeature" value="INDENT_OUTPUT"/>
<constructor-arg type="boolean" value="true"/>
</bean>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
Below will be CustomObjectMapper
public class CustomObjectMapper extends ObjectMapper{
public CustomObjectMapper(SerializationFeature feature,boolean value) {
this.configure(feature, value);
}
}
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