Handler & Crawler : Add traits.

src/main/scala/model/crawler/Crawler.scala

@@ -0,0 +1,6 @@
+package com.voronind.doublegis.test
+package model.crawler
+
+trait Crawler {
+
+}

src/main/scala/model/crawler/TitleCrawler.scala

@@ -0,0 +1,6 @@
+package com.voronind.doublegis.test
+package model.crawler
+
+class TitleCrawler extends Crawler {
+
+}

src/main/scala/model/handler/Handler.scala

@@ -0,0 +1,8 @@
+package com.voronind.doublegis.test
+package model.handler
+
+import com.sun.net.httpserver.HttpExchange
+
+trait Handler {
+	def handle(exchange: HttpExchange): Unit
+}

src/main/scala/model/handler/TitleCrawlerHandler.scala

@@ -5,10 +5,10 @@ import model.lib.StreamUtil
 import com.sun.net.httpserver.{HttpExchange, HttpHandler}
 import java.io.InputStream
 
-class TitleCrawlerHandler extends HttpHandler {
-	def handle(t: HttpExchange): Unit = {
-		log(t.getRequestBody)
-		sendResponse(t)
+class TitleCrawlerHandler extends HttpHandler, Handler {
+	override def handle(exchange: HttpExchange): Unit = {
+		log(exchange.getRequestBody)
+		sendResponse(exchange)
 	}
 
 	private def log(body: InputStream): Unit = {
@@ -17,12 +17,12 @@ class TitleCrawlerHandler extends HttpHandler {
 		println()
 	}
 
-	private def sendResponse(t: HttpExchange): Unit = {
+	private def sendResponse(exchange: HttpExchange): Unit = {
 		val response = "Ack!"
-		t.sendResponseHeaders(200, response.length())
-		val os = t.getResponseBody
-		os.write(response.getBytes)
-		os.close()
+		exchange.sendResponseHeaders(200, response.length())
+		val out = exchange.getResponseBody
+		out.write(response.getBytes)
+		out.close()
 	}
 }