package com.odelia.groovy.camel

import org.apache.camel.impl.DefaultCamelContext
import org.apache.camel.Processor
import org.apache.camel.language.groovy.GroovyRouteBuilder


@Grab(group='org.apache.camel', module='camel-groovy', version='2.4.0')
@Grab(group='org.apache.camel', module='camel-jetty', version='2.4.0')
class SimpleRouteBuilder extends GroovyRouteBuilder {

    def dslFilename
    def uri
    def processor
    
    void parse(filename) {
        def shell = new GroovyShell()
        def script = shell.parse(new File(filename))
        script.metaClass.methodMissing = { String name, args ->
            uri = name
            processor = args[0].clone()
            processor.delegate = this
            processor.resolveStrategy = Closure.DELEGATE_ONLY
        }
        script.run()
    }

    void configure() { 
        parse(dslFilename)   
        from("jetty:${uri}").process(processor as Processor)
    }
    
    static void main(String[] args) { 
        if (args.size() != 1) {
            println 'Usage: groovy GroovyCamel.groovy <dsl_filename>'
            return
        }

        def camelCtx = new DefaultCamelContext()
        camelCtx.addRoutes(new SimpleRouteBuilder(dslFilename: args[0]))
        camelCtx.start()
        sleep 40000
        camelCtx.stop()            
    }
}