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[英]Getting error while configuring the jackson mapper object for SerializationFeature.INDENT_OUTPUT
[英]set Object Mapper SerializationFeature in spring configuration
我想将我的Jackson(2.7.4)配置为在Spring(4.2.6)MVC控制器中缩进输出(漂亮的打印)。
我有具有@ResponseBody的控制器,该控制器当然可以转换为JSON。 我正在使用context.xml文件。 到目前为止,我有:
<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>
我想像这样设置ObjectMapper的configure(SerializationFeature f,boolean state):
configure(SerializationFeature.INDENT_OUTPUT, TRUE)
在春季,我该怎么做?
您可以使用Jackson2ObjectMapperFactoryBean配置ObjectMapper实例
例
<property name="objectMapper">
<bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean"
p:failOnEmptyBeans="false"
p:indentOutput="true">
<!-- Other properties -->
</bean>
</property>
你看起来像这样吗
<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>
下面将是CustomObjectMapper
public class CustomObjectMapper extends ObjectMapper{
public CustomObjectMapper(SerializationFeature feature,boolean value) {
this.configure(feature, value);
}
}
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