2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. Look for COPYING file in the top folder.
16 * If not, see http://opensource.org/licenses/GPL-2.0.
18 package org.apidesign.bck2brwsr.dew;
20 import java.io.ByteArrayInputStream;
21 import java.io.IOException;
22 import java.io.InputStream;
23 import java.io.InputStreamReader;
24 import java.io.OutputStream;
25 import java.util.List;
26 import java.util.Locale;
27 import javax.tools.Diagnostic;
28 import javax.tools.JavaFileObject;
29 import org.apidesign.vm4brwsr.Bck2Brwsr;
30 import org.glassfish.grizzly.http.Method;
31 import org.glassfish.grizzly.http.server.HttpHandler;
32 import org.glassfish.grizzly.http.server.HttpServer;
33 import org.glassfish.grizzly.http.server.Request;
34 import org.glassfish.grizzly.http.server.Response;
35 import org.glassfish.grizzly.http.util.HttpStatus;
36 import org.json.JSONArray;
37 import org.json.JSONObject;
38 import org.json.JSONTokener;
44 final class Dew extends HttpHandler implements Bck2Brwsr.Resources {
47 public static void main(String... args) throws Exception {
48 DewLauncher l = new DewLauncher(null);
49 l.addClassLoader(DewLauncher.class.getClassLoader());
50 final Dew dew = new Dew();
51 HttpServer s = l.initServer(dew);
52 s.getServerConfiguration().addHttpHandler(dew, "/dew/");
53 l.launchServerAndBrwsr(s, "/dew/");
58 public void service(Request request, Response response) throws Exception {
60 if ( request.getMethod() == Method.POST ) {
61 InputStream is = request.getInputStream();
62 JSONTokener tok = new JSONTokener(new InputStreamReader(is));
63 JSONObject obj = new JSONObject(tok);
64 String tmpHtml = obj.getString("html");
65 String tmpJava = obj.getString("java");
67 Compile res = Compile.create(tmpHtml, tmpJava);
68 List<Diagnostic<? extends JavaFileObject>> err = res.getErrors();
71 response.getOutputStream().write("[]".getBytes());
72 response.setStatus(HttpStatus.OK_200);
75 JSONArray errors = new JSONArray();
77 for (Diagnostic<? extends JavaFileObject> d : err) {
78 JSONObject e = new JSONObject();
79 e.put("col", d.getColumnNumber());
80 e.put("line", d.getLineNumber());
81 e.put("kind", d.getKind().toString());
82 e.put("msg", d.getMessage(Locale.ENGLISH));
86 errors.write(response.getWriter());
87 response.setStatus(HttpStatus.PRECONDITION_FAILED_412);
93 String r = request.getHttpHandlerPath();
94 if (r == null || r.equals("/")) {
97 if (r.equals("/result.html")) {
98 response.setContentType("text/html");
100 response.getOutputBuffer().write(data.getHtml());
102 response.setStatus(HttpStatus.OK_200);
106 if (r.startsWith("/")) {
110 if (r.endsWith(".html") || r.endsWith(".xhtml")) {
111 response.setContentType("text/html");
113 OutputStream os = response.getOutputStream();
114 try (InputStream is = Dew.class.getResourceAsStream(r) ) {
115 copyStream(is, os, request.getRequestURL().toString() );
116 } catch (IOException ex) {
117 response.setDetailMessage(ex.getLocalizedMessage());
119 response.setStatus(404);
123 static void copyStream(InputStream is, OutputStream os, String baseURL) throws IOException {
134 public InputStream get(String r) throws IOException {
135 byte[] arr = data == null ? null : data.get(r);
136 return arr == null ? null : new ByteArrayInputStream(arr);