Mercurial Hosting > luan

annotate src/luan/tools/WebRun.java @ 130:0594c132888b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
cleanup git-svn-id: https://luan-java.googlecode.com/svn/trunk@131 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 10 Jun 2014 02:43:40 +0000
parents d00f41edbbd6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
52
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
1 package luan.tools;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
2
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
3 import java.io.IOException;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
4 import java.io.PrintStream;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
5 import javax.servlet.ServletException;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
6 import javax.servlet.ServletOutputStream;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
7 import javax.servlet.http.HttpServlet;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
8 import javax.servlet.http.HttpServletRequest;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
9 import javax.servlet.http.HttpServletResponse;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
10 import org.slf4j.Logger;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
11 import org.slf4j.LoggerFactory;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
12 import luan.LuanState;
86
6db8f286fa6c _ENV is per module, not global
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 77
diff changeset
13 import luan.LuanTable;
52
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
14 import luan.LuanException;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
15 import luan.lib.HtmlLib;
115
eacf6ce1b47d add IoLib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 108
diff changeset
16 import luan.lib.IoLib;
52
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
17
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
18
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
19 public class WebRun extends HttpServlet {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
20 private static final Logger logger = LoggerFactory.getLogger(WebRun.class);
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
21
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
22 protected LuanState newLuanState() throws LuanException {
59
5c9cadd0acce move standard calls from CmdLine to LuanState
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 52
diff changeset
23 return LuanState.newStandard();
52
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
24 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
25
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
26 protected void service(HttpServletRequest request,HttpServletResponse response)
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
27 throws ServletException, IOException
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
28 {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
29 ServletOutputStream sout = response.getOutputStream();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
30 PrintStream out = new PrintStream(sout);
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
31 String contentType = request.getParameter("content_type");
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
32 if( contentType != null )
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
33 response.setContentType("text/plain");
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
34 String code = request.getParameter("code");
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
35 try {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
36 LuanState luan = newLuanState();
122
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 115
diff changeset
37 luan.set( "Io.stdout", IoLib.textWriter(out) );
108
3c404a296995 make Package module more standard;
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 86
diff changeset
38 LuanTable env = luan.global();
86
6db8f286fa6c _ENV is per module, not global
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 77
diff changeset
39 env.put("request",request);
6db8f286fa6c _ENV is per module, not global
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 77
diff changeset
40 env.put("response",response);
130
0594c132888b cleanup
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 122
diff changeset
41 luan.eval(code);
52
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
42 } catch(LuanException e) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
43 logger.error(null,e);
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
44 response.reset();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
45 response.setHeader("Content-Type","text/html");
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
46 out.println( "<html>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
47 out.println( "<body>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
48 out.println( "<pre>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
49 out.println( e );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
50 out.println();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
51 out.println( addLineNumbers(HtmlLib.encode(code)) );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
52 out.println( "</pre>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
53 out.println( "</body>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
54 out.println( "</html>" );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
55 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
56 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
57
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
58 public static String addLineNumbers(String s) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
59 StringBuilder buf = new StringBuilder();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
60 int line = 1;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
61 int i = 0;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
62 while(true) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
63 buf.append( fmt(line++,3) );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
64 buf.append(" ");
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
65 int i2 = s.indexOf('\n',i);
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
66 if( i2 == -1 ) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
67 buf.append( s.substring(i) );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
68 break;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
69 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
70 buf.append( s.substring(i,i2+1) );
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
71 i = i2 + 1;
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
72 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
73 return buf.toString();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
74 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
75
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
76 private static String fmt(int i,int w) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
77 StringBuilder buf = new StringBuilder();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
78 buf.append(i);
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
79 while( buf.length() < w ) {
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
80 buf.insert(0,' ');
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
81 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
82 return buf.toString();
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
83 }
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
84
0c0f2b107099 add WebRun
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
diff changeset
85 }