49.16. 使用 Spring XML
这非常容易使用 Spring 作为您喜欢的 DSL 语言来声明用于 camel-bindy 的路由。以下示例显示了两个路由,其中第一个将从文件中获取记录,并把内容绑定到其模型。然后,结果将发送到 pojo (无特殊操作),并将它们放入队列。
第二个路由将从队列中提取 pojos,并处理内容来生成包含 csv 记录的文件。上面的示例是使用 Camel 2.16。
Spring dsl
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring
       http://camel.apache.org/schema/spring/camel-spring.xsd">
    <!-- Queuing engine - ActiveMq - work locally in mode virtual memory -->
    <bean id="activemq" class="org.apache.activemq.camel.component.ActiveMQComponent">
        <property name="brokerURL" value="vm://localhost:61616"/>
    </bean>
    <camelContext xmlns="http://camel.apache.org/schema/spring">
        <dataFormats>
          <bindy id="bindyDataformat" type="Csv" classType="org.apache.camel.bindy.model.Order"/>
        </dataFormats>
        <route>
            <from uri="file://src/data/csv/?noop=true" />
            <unmarshal ref="bindyDataformat" />
            <to uri="bean:csv" />
            <to uri="activemq:queue:in" />
        </route>
        <route>
            <from uri="activemq:queue:in" />
            <marshal ref="bindyDataformat" />
            <to uri="file://src/data/csv/out/" />
        </route>
    </camelContext>
</beans>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd
       http://camel.apache.org/schema/spring
       http://camel.apache.org/schema/spring/camel-spring.xsd">
    <!-- Queuing engine - ActiveMq - work locally in mode virtual memory -->
    <bean id="activemq" class="org.apache.activemq.camel.component.ActiveMQComponent">
        <property name="brokerURL" value="vm://localhost:61616"/>
    </bean>
    <camelContext xmlns="http://camel.apache.org/schema/spring">
        <dataFormats>
          <bindy id="bindyDataformat" type="Csv" classType="org.apache.camel.bindy.model.Order"/>
        </dataFormats>
        <route>
            <from uri="file://src/data/csv/?noop=true" />
            <unmarshal ref="bindyDataformat" />
            <to uri="bean:csv" />
            <to uri="activemq:queue:in" />
        </route>
        <route>
            <from uri="activemq:queue:in" />
            <marshal ref="bindyDataformat" />
            <to uri="file://src/data/csv/out/" />
        </route>
    </camelContext>
</beans>
注意
请验证您的模型类是否实施了 serializable,否则队列管理器将引发错误