Mina学习之与Spring整合

本章中演示在Spring中整合Mina，为了整合到Spring，需要做以下几个步骤：

1. 设置IoHandler

<bean id="trapHandler" class="com.ashishpaliwal.udp.mina.server.ServerHandler">

2. 创建Filters并加入到Chain中

<bean id="snmpCodecFilter" class="org.apache.mina.filter.codec.ProtocolCodecFilter">
  <constructor-arg>
    <bean class="com.ashishpaliwal.udp.mina.snmp.SNMPCodecFactory" />
  </constructor-arg>
</bean>

<bean id="loggingFilter" class="org.apache.mina.filter.logging.LoggingFilter" />

<!-- The filter chain. -->
<bean id="filterChainBuilder" class="org.apache.mina.core.filterchain.DefaultIoFilterChainBuilder">
  <property name="filters">
    <map>
      <entry key="loggingFilter" value-ref="loggingFilter"/>
      <entry key="codecFilter" value-ref="snmpCodecFilter"/>
    </map>
  </property>
</bean>

3. 创建IoAcceptor

<bean class="org.springframework.beans.factory.config.CustomEditorConfigurer">
    <property name="customEditors">
      <map>
        <entry key="java.net.SocketAddress">
          <bean class="org.apache.mina.integration.beans.InetSocketAddressEditor" />
        </entry>
      </map>
    </property>
</bean>

<!-- The IoAcceptor which binds to port 161 -->
<bean id="ioAcceptor" class="org.apache.mina.transport.socket.nio.NioDatagramAcceptor" init-method="bind" destroy-method="unbind">
  <property name="defaultLocalAddress" value=":161" />
  <property name="handler" ref="trapHandler" />
  <property name="filterChainBuilder" ref="filterChainBuilder" />
</bean>

4. 在spring启动时加载该xml文件

public void initializeViaSpring() throws Exception {
    new ClassPathXmlApplicationContext("trapReceiverContext.xml");
}