gistfile1.java

import org.apache.camel.Processor
import org.apache.camel.Exchange
import org.apache.camel.builder.RouteBuilder
import org.apache.camel.impl.DefaultCamelContext
import org.apache.commons.io.FileUtils
import java.net.URL

@Grab(group="org.apache.camel",module="camel-jetty",version="2.5.0")
@Grab(group="commons-io", module="commons-io",version="2.0")
class WebRouteBuilder extends RouteBuilder {
  private File rootDir
  private String webRoot
  public WebRouteBuilder(rootDir, webRoot) {
    this.rootDir = rootDir
    this.webRoot = webRoot
  }
  void configure() {
    from("jetty:" + webRoot + "?matchOnUriPrefix=true")
    .process(new Processor() {
      def void process(Exchange exchange) {
        def url = new URL(exchange.in.getHeader("CamelHttpUrl").toString())
        println(url)
        def file = new File(rootDir, "." + url.path)
        if (file.exists()) {
          exchange.out.body = FileUtils.readFileToString(file)
        } else {
          exchange.out.setHeader(Exchange.HTTP_RESPONSE_CODE, 404)
        }
      }
    })
    .end()
  }
}

def camelContext = new DefaultCamelContext()
def rootDir = new File(".")
camelContext.addRoutes(new WebRouteBuilder(rootDir, "http://0.0.0.0:8123/"))

println("Starting Camel")
camelContext.start()
Runtime.runtime.addShutdownHook(new Thread()
{
    void run()
    {
        println("Stopping Camel")
        camelContext.stop()
    }
})