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package org.apidesign.bck2brwsr.dew;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import org.glassfish.grizzly.http.server.HttpHandler;

import org.glassfish.grizzly.http.server.Request;

import org.glassfish.grizzly.http.server.Response;

/**

 *

 * @author phrebejk

 */

public class Dew extends HttpHandler {

    @Override

    public void service(Request request, Response response) throws Exception {

        String r = request.getHttpHandlerPath();

        if (r == null || r.equals("/")) {

            r = "index.html";

        }

        if (r.startsWith("/")) {

            r = r.substring(1);

        }

        if (r.endsWith(".html") || r.endsWith(".xhtml")) {

            response.setContentType("text/html");

        }

        OutputStream os = response.getOutputStream();

        try (InputStream is = Dew.class.getResourceAsStream(r) ) {

            copyStream(is, os, request.getRequestURL().toString() );

        } catch (IOException ex) {

            response.setDetailMessage(ex.getLocalizedMessage());

            response.setError();

            response.setStatus(404);

        }

    }

    static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {

        for (;;) {

            int ch = is.read();

            if (ch == -1) {

                break;

            }

            os.write(ch);            

        }

    }

}