/**
 * Copyright (c) 2013, Groupon, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of GROUPON nor the names of its contributors may be
 * used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 * Created with IntelliJ IDEA.
 * User: Dima Kovalenko (@dimacus) && Darko Marinov
 * Date: 5/10/13
 * Time: 4:06 PM
 */

package com.groupon;


import com.sun.net.httpserver.Headers;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;

import java.io.IOException;
import java.io.OutputStream;
import java.util.Map;

abstract class HttpExecutor implements HttpHandler {

  public void handle(HttpExchange t) throws IOException {
    Map params = (Map)t.getAttribute("parameters");
    String response = execute(params);

    Headers h = t.getResponseHeaders();
    h.add("Content-Type", "application/json");

    t.sendResponseHeaders(200, response.length());

    OutputStream os = t.getResponseBody();
    os.write(response.getBytes());
    os.close();
  }

  abstract String execute(Map params);
}

@@ -2013,16 +2013,32 @@
 %0A    Map
+%3CString, String%3E
  params 
@@ -2110,24 +2110,171 @@
 e(params);%0A%0A
+    if (params.containsKey(%22callback%22))%7B%0A      response = params.get(%22callback%22) + %22(%22 + response + %22)%22;%0A    %7D%0A%0A    System.out.println(response);%0A%0A
     Headers 
@@ -2397,24 +2397,27 @@
 length());%0A%0A
+%0A%0A%0A
     OutputSt

Make http executor pass down the callback method if it's available