Spring integration 如何使用spring集成逐行读取文件

我不熟悉Spring集成。我需要逐行读取txt文件，并使用SpringIntegration打印每一行。有人能举个例子或有什么想法吗？

除了文件跟踪通道适配器之外，框架目前没有现成的组件，但需要在文件末尾停止

您可以编写一个简单的POJO，一次读取一行，并使用

调用它

或者，POJO可以返回一个迭代行的

迭代器

，

将调用迭代器，直到所有行都被使用

编辑：

我为

filespliter

添加了代码，您可以使用此代码

xml代码=fileCopyApplicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:int="http://www.springframework.org/schema/integration"
    xmlns:file="http://www.springframework.org/schema/integration/file"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/integration
            http://www.springframework.org/schema/integration/spring-integration.xsd
            http://www.springframework.org/schema/integration/file
            http://www.springframework.org/schema/integration/file/spring-integration-file.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context.xsd">

    <context:property-placeholder />

    <file:inbound-channel-adapter id="filesIn"
        directory="E:/usmandata/logs/input/" filter="onlyPropertyFiles"
        auto-startup="true">
        <int:poller id="poller" fixed-delay="500" />
    </file:inbound-channel-adapter>

    <file:inbound-channel-adapter id="filesIn1"
        directory="E:/usmandata/logs/input/" filter="onlyPropertyFiles"
        auto-startup="true">
        <int:poller id="poller" fixed-delay="500" />
    </file:inbound-channel-adapter>


    <int:service-activator input-channel="filesIn"
         ref="handler" />

    <bean id="handler" class="com.javarticles.spring.integration.file.FileHandler" />
    <bean id="onlyPropertyFiles"
        class="org.springframework.integration.file.config.FileListFilterFactoryBean"
        p:filenamePattern="*.log" />
</beans>

---

谢谢加里的建议，谢谢加里。它帮助了我

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:int="http://www.springframework.org/schema/integration"
    xmlns:file="http://www.springframework.org/schema/integration/file"
    xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/integration
            http://www.springframework.org/schema/integration/spring-integration.xsd
            http://www.springframework.org/schema/integration/file
            http://www.springframework.org/schema/integration/file/spring-integration-file.xsd
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context.xsd">

    <context:property-placeholder />

    <file:inbound-channel-adapter id="filesIn"
        directory="E:/usmandata/logs/input/" filter="onlyPropertyFiles"
        auto-startup="true">
        <int:poller id="poller" fixed-delay="500" />
    </file:inbound-channel-adapter>

    <file:inbound-channel-adapter id="filesIn1"
        directory="E:/usmandata/logs/input/" filter="onlyPropertyFiles"
        auto-startup="true">
        <int:poller id="poller" fixed-delay="500" />
    </file:inbound-channel-adapter>


    <int:service-activator input-channel="filesIn"
         ref="handler" />

    <bean id="handler" class="com.javarticles.spring.integration.file.FileHandler" />
    <bean id="onlyPropertyFiles"
        class="org.springframework.integration.file.config.FileListFilterFactoryBean"
        p:filenamePattern="*.log" />
</beans>

package com.javarticles.spring.integration.file;

import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class FileHandler {
    public void handleFile(File input) throws IOException {
       // System.out.println("Copying file: " + input.getAbsolutePath());


        RandomAccessFile file = new RandomAccessFile(input,"r");

        FileChannel channel = file.getChannel();

        //System.out.println("File size is: " + channel.size());

        ByteBuffer buffer = ByteBuffer.allocate((int) channel.size());

        channel.read(buffer);

        buffer.flip();//Restore buffer to position 0 to read it

        System.out.println("Reading content and printing ... ");

        for (int i = 0; i < channel.size(); i++) {
            System.out.print((char) buffer.get());
        }

        channel.close();
        file.close();
    }
}

package com.javarticles.spring.integration.file;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;

import org.springframework.context.support.ClassPathXmlApplicationContext;

public class SpringIntegrationFileCopyExample {

    public static void main(String[] args) throws InterruptedException, IOException {
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
                "fileCopyApplicationContext.xml");

    }

}