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annotate src/goodjava/webserver/Response.java @ 1828:09e90d94b7b5

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add DomainFilter
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 15 Sep 2024 19:51:16 -0600
parents fa066aaa068c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 package goodjava.webserver;
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2
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3 import java.io.InputStream;
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4 import java.io.PrintWriter;
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5 import java.util.Map;
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6 import java.util.LinkedHashMap;
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7 import java.util.Collections;
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8 import java.util.List;
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9 import goodjava.util.CaseInsensitiveMap;
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11
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12 public class Response {
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13 public final String protocol = "HTTP/1.1";
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14 public volatile Status status = Status.OK;
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15 public final Map<String,Object> headers = Collections.synchronizedMap(new CaseInsensitiveMap<Object>(new LinkedHashMap<String,CaseInsensitiveMap.Value<Object>>()));
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16 {
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17 headers.put("Server","goodjava");
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18 }
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19 private static final Body empty = new Body(0,new InputStream(){
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20 public int read() { return -1; }
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21 });
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22 public volatile Body body = empty;
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23
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24 public static class Body {
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25 public final long length;
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26 public final InputStream content;
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27
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28 public Body(long length,InputStream content) {
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29 this.length = length;
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30 this.content = content;
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31 }
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32 }
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34
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35 public void addHeader(String name,String value) {
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36 Util.add(headers,name,value);
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37 }
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38
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39 public void setCookie(String name,String value,Map<String,String> attributes) {
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40 StringBuilder buf = new StringBuilder();
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41 buf.append( Util.urlEncode(name) );
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42 buf.append( '=' );
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43 buf.append( Util.urlEncode(value) );
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44 for( Map.Entry<String,String> entry : attributes.entrySet() ) {
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45 buf.append( "; " );
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46 buf.append( entry.getKey() );
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47 buf.append( '=' );
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48 buf.append( entry.getValue() );
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49 }
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50 addHeader( "Set-Cookie", buf.toString() );
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51 }
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53
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54 public String toHeaderString() {
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55 StringBuilder sb = new StringBuilder();
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56 sb.append( protocol )
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57 .append( ' ' ).append( status.code )
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58 .append( ' ' ).append( status.reason )
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59 .append( "\r\n" )
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60 ;
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61 for( Map.Entry<String,Object> entry : headers.entrySet() ) {
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62 String name = entry.getKey();
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63 Object value = entry.getValue();
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64 if( value instanceof List ) {
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65 for( Object v : (List)value ) {
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66 sb.append( name ).append( ": " ).append( v ).append( "\r\n" );
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67 }
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68 } else {
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69 sb.append( name ).append( ": " ).append( value ).append( "\r\n" );
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70 }
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71 }
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72 sb.append( "\r\n" );
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73 return sb.toString();
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74 }
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77 public static Response errorResponse(Status status,String text) {
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78 Response response = new Response();
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79 response.status = status;
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80 response.headers.put( "Content-Type", "text/plain; charset=utf-8" );
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81 PrintWriter writer = new PrintWriter( new ResponseOutputStream(response) );
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82 writer.write( text );
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83 writer.close();
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84 return response;
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85 }
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86 }