Apache Camel:如何对一个目录中的文件进行简单修改,然后将输出存储在另一个目录中？

   <groupId>org.apache.camel</groupId>
   <artifactId>camel-core</artifactId>
   <version>3.15.0</version>
</dependency>

import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultCamelContext;

public class FileModifier {
    public static void main(String[] args) throws Exception {
        CamelContext context = new DefaultCamelContext();
        context.addRoutes(new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from("file://input?noop=true")
                    .process(new Processor() {
                        @Override
                        public void process(Exchange exchange) throws Exception {
                            String body = exchange.getIn().getBody(String.class);
                            String modifiedBody = modifyFileContent(body);
                            exchange.getIn().setBody(modifiedBody);
                        }
                    })
                    .to("file://output");
            }
        });
        context.start();
        Thread.sleep(Long.MAX_VALUE);
    }

    private static String modifyFileContent(String content) {
        // 在这里实现文件内容的修改逻辑
        return content;
    }
}