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annotate src/goodjava/webserver/Response.java @ 1595:e4deb32bd233

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remove json_compressed_string
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 21 Mar 2021 16:13:05 -0600
parents 27efb1fcbcb5
children ef9d96aeb541
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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10
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11 public class Response {
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12 public final String protocol = "HTTP/1.1";
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13 public volatile Status status = Status.OK;
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14 public final Map<String,Object> headers = Collections.synchronizedMap(new LinkedHashMap<String,Object>());
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15 {
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16 headers.put("server","Goodjava");
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17 }
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18 private static final Body empty = new Body(0,new InputStream(){
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19 public int read() { return -1; }
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20 });
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21 public volatile Body body = empty;
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22
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23 public static class Body {
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24 public final long length;
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25 public final InputStream content;
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26
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27 public Body(long length,InputStream content) {
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28 this.length = length;
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29 this.content = content;
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30 }
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31 }
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34 public void addHeader(String name,String value) {
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35 Util.add(headers,name,value);
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36 }
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37
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38 public void setCookie(String name,String value,Map<String,String> attributes) {
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39 StringBuilder buf = new StringBuilder();
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40 buf.append( Util.urlEncode(name) );
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41 buf.append( '=' );
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42 buf.append( Util.urlEncode(value) );
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43 for( Map.Entry<String,String> entry : attributes.entrySet() ) {
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44 buf.append( "; " );
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45 buf.append( entry.getKey() );
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46 buf.append( '=' );
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47 buf.append( entry.getValue() );
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48 }
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49 addHeader( "Set-Cookie", buf.toString() );
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50 }
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52
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53 public String toHeaderString() {
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54 StringBuilder sb = new StringBuilder();
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55 sb.append( protocol )
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56 .append( ' ' ).append( status.code )
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57 .append( ' ' ).append( status.reason )
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58 .append( "\r\n" )
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59 ;
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60 for( Map.Entry<String,Object> entry : headers.entrySet() ) {
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61 String name = entry.getKey();
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62 Object value = entry.getValue();
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63 if( value instanceof List ) {
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64 for( Object v : (List)value ) {
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65 sb.append( name ).append( ": " ).append( v ).append( "\r\n" );
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66 }
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67 } else {
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68 sb.append( name ).append( ": " ).append( value ).append( "\r\n" );
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69 }
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70 }
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71 sb.append( "\r\n" );
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72 return sb.toString();
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73 }
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75
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76 public static Response errorResponse(Status status,String text) {
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77 Response response = new Response();
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78 response.status = status;
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79 response.headers.put( "content-type", "text/plain; charset=utf-8" );
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80 PrintWriter writer = new PrintWriter( new ResponseOutputStream(response) );
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81 writer.write( text );
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82 writer.close();
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83 return response;
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84 }
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85 }