Mercurial Hosting > luan
annotate src/goodjava/webserver/Response.java @ 2008:bba3e529e346 default tip
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author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 27 Aug 2025 01:14:17 -0600 |
parents | fa066aaa068c |
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move luan.lib to goodjava
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1 package goodjava.webserver; |
1137 | 2 |
3 import java.io.InputStream; | |
1161 | 4 import java.io.PrintWriter; |
1137 | 5 import java.util.Map; |
6 import java.util.LinkedHashMap; | |
7 import java.util.Collections; | |
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8 import java.util.List; |
1607 | 9 import goodjava.util.CaseInsensitiveMap; |
1137 | 10 |
11 | |
12 public class Response { | |
13 public final String protocol = "HTTP/1.1"; | |
14 public volatile Status status = Status.OK; | |
1607 | 15 public final Map<String,Object> headers = Collections.synchronizedMap(new CaseInsensitiveMap<Object>(new LinkedHashMap<String,CaseInsensitiveMap.Value<Object>>())); |
1137 | 16 { |
1607 | 17 headers.put("Server","goodjava"); |
1137 | 18 } |
2008 | 19 private final InputStream empty = new InputStream() { |
20 @Override public int read() { | |
21 return -1; | |
1137 | 22 } |
2008 | 23 @Override public void close() { |
24 headers.put("Content-Length","0"); | |
25 } | |
26 }; | |
27 public volatile InputStream body = empty; | |
1137 | 28 |
29 | |
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30 public void addHeader(String name,String value) { |
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31 Util.add(headers,name,value); |
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32 } |
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33 |
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34 public void setCookie(String name,String value,Map<String,String> attributes) { |
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35 StringBuilder buf = new StringBuilder(); |
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36 buf.append( Util.urlEncode(name) ); |
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37 buf.append( '=' ); |
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38 buf.append( Util.urlEncode(value) ); |
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39 for( Map.Entry<String,String> entry : attributes.entrySet() ) { |
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40 buf.append( "; " ); |
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41 buf.append( entry.getKey() ); |
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42 buf.append( '=' ); |
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43 buf.append( entry.getValue() ); |
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44 } |
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45 addHeader( "Set-Cookie", buf.toString() ); |
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46 } |
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47 |
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48 |
1137 | 49 public String toHeaderString() { |
50 StringBuilder sb = new StringBuilder(); | |
51 sb.append( protocol ) | |
52 .append( ' ' ).append( status.code ) | |
53 .append( ' ' ).append( status.reason ) | |
54 .append( "\r\n" ) | |
55 ; | |
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56 for( Map.Entry<String,Object> entry : headers.entrySet() ) { |
1137 | 57 String name = entry.getKey(); |
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58 Object value = entry.getValue(); |
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59 if( value instanceof List ) { |
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60 for( Object v : (List)value ) { |
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61 sb.append( name ).append( ": " ).append( v ).append( "\r\n" ); |
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62 } |
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63 } else { |
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64 sb.append( name ).append( ": " ).append( value ).append( "\r\n" ); |
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65 } |
1137 | 66 } |
67 sb.append( "\r\n" ); | |
68 return sb.toString(); | |
69 } | |
1161 | 70 |
71 | |
72 public static Response errorResponse(Status status,String text) { | |
73 Response response = new Response(); | |
74 response.status = status; | |
1607 | 75 response.headers.put( "Content-Type", "text/plain; charset=utf-8" ); |
1161 | 76 PrintWriter writer = new PrintWriter( new ResponseOutputStream(response) ); |
77 writer.write( text ); | |
78 writer.close(); | |
79 return response; | |
80 } | |
1137 | 81 } |