Question

我已经为此苦苦挣扎了一段时间。我正在将Spring MVC 3.1与Jackson MessageConverter一起用于JSON序列化，并希望配置其他序列化器。我有一个ApiCustomer类

public class ApiCustomer {

//customer
private String id;
private int customerNr;
private String customerNrExternal;
private String status;


@Override
@Column(table=PREFIX_CUSTOMER, name="id")
public String getId() { return id; }

@Override
public void setId(String id) { this.id = id; }

@Column(table=PREFIX_CUSTOMER, name="customerNr")
public int getCustomerNr() { return customerNr; }

public void setCustomerNr(int customerNr) { this.customerNr = customerNr;        }

@Column(table=PREFIX_CUSTOMER, name="customerNrExtern")
public String getCustomerNrExternal() { return customerNrExternal; }

public void setCustomerNrExternal(String customerNrExternal) { this.customerNrExternal = customerNrExternal; }

@Translate
@Column(table=PREFIX_PREDEFINED_PROPERTY, name="value")
public String getStatus() { return status; }

public void setStatus(String status) { this.status = status; }
}

我想序列化为JSON的

。对于某些字段（在本示例中为status），我想使用自定义序列化器TranslateSerializer：

public class TranslateSerializer extends StdSerializer<String> {

public TranslateSerializer() {
    super(String.class);
}

public TranslateSerializer(Class<String> t) {
    super(t);
}

@Override
public void serialize(String value, JsonGenerator jgen, SerializerProvider provider) throws IOException {
    jgen.writeStartObject();
    jgen.writeStringField("key", value);
    jgen.writeStringField("translated", Strings.instance().get(value));
    jgen.writeEndObject();
}
}

第一个问题：是否可以仅在@translate中使用自己的注释，例如ApiCustomer并配置spring，这样就不必使用@JsonSerialize(using = TranslateSerializer.class) ？

第二个问题：如何注册一个仅用于带注释方法的附加序列化器？我当前的配置如下：

<mvc:annotation-driven>
    <mvc:message-converters>
        <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
            <property name="objectMapper">
                <bean class="org.springframework.http.converter.json.Jackson2ObjectMapperFactoryBean">
                    <property name="featuresToDisable">
                        <array>
                            <util:constant static-field="com.fasterxml.jackson.databind.SerializationFeature.WRITE_DATES_AS_TIMESTAMPS" />
                        </array>
                    </property>
                    <property name="serializers">
                        <array>
                            <bean class="TranslateSerializer"/>
                        </array>
                    </property>
                </bean>
            </property>
        </bean>
        <bean class="org.springframework.http.converter.xml.MarshallingHttpMessageConverter">
            <property name="marshaller" ref="xstreamMarshaller" />
            <property name="unmarshaller" ref="xstreamMarshaller" />
        </bean>
    </mvc:message-converters>
</mvc:annotation-driven>

用于注释方法的Spring MVC自定义序列化器

0 个答案: