peer-at-code-backend/src/be/jeffcheasey88/peeratcode/framework/HttpWriter.java
2023-04-29 21:16:40 +02:00

101 lines
No EOL
2.8 KiB
Java

package be.jeffcheasey88.peeratcode.framework;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.nio.charset.StandardCharsets;
public class HttpWriter{
private OutputStream out;
private BufferedWriter writer;
public HttpWriter(Socket socket) throws Exception{
this.out = socket.getOutputStream();
this.writer = new BufferedWriter(new OutputStreamWriter(out, StandardCharsets.UTF_8));
}
public HttpWriter(HttpWriter origin) throws Exception{
this.out = origin.out;
this.writer = origin.writer;
}
public void write(byte[] buffer) throws IOException{
this.out.write(buffer);
this.out.flush();
}
public void write(String message) throws IOException{
this.writer.write(message);
}
public void flush() throws IOException{
this.writer.flush();
}
public void close() throws IOException{
this.writer.close();
}
public void response(int code, String... headers) throws Exception{
write("HTTP/1.1 "+code+codeMessage(code)+"\n");
for(String header : headers) write(header+"\n");
write("\n");
flush();
StackTraceElement[] e = Thread.currentThread().getStackTrace();
System.out.println(e[2]+" -> response "+code);
}
private static String[] HEIGHTBITS = new String[7];
private static String[] NINEBITS = new String[206];
static {
HEIGHTBITS[0] = " OK";
HEIGHTBITS[1] = " Created";
HEIGHTBITS[2] = " Accepted";
HEIGHTBITS[3] = " Non-Authoritative Information";
HEIGHTBITS[4] = " No Content";
HEIGHTBITS[5] = " Reset Content";
HEIGHTBITS[6] = " Partial Content";
NINEBITS[0] = " Multiple Choices";
NINEBITS[1] = " Moved Permanently";
NINEBITS[2] = " Temporary Redirect";
NINEBITS[3] = " See Other";
NINEBITS[4] = " Not Modified";
NINEBITS[5] = " Use Proxy";
NINEBITS[100] = " Bad Request";
NINEBITS[101] = " Unauthorized";
NINEBITS[102] = " Payment Required";
NINEBITS[103] = " Forbidden";
NINEBITS[104] = " Not Found";
NINEBITS[105] = " Method Not Allowed";
NINEBITS[106] = " Not Acceptable";
NINEBITS[107] = " Proxy Authentication Required";
NINEBITS[108] = " Request Time-Out";
NINEBITS[109] = " Conflict";
NINEBITS[110] = " Gone";
NINEBITS[111] = " Length Required";
NINEBITS[112] = " Precondition Failed";
NINEBITS[113] = " Request Entity Too Large";
NINEBITS[114] = " Request-URI Too Large";
NINEBITS[115] = " Unsupported Media Type";
NINEBITS[200] = " Internal Server Error";
NINEBITS[201] = " Not Implemented";
NINEBITS[202] = " Bad Gateway";
NINEBITS[203] = " Service Unavailable";
NINEBITS[204] = " Gateway Timeout";
NINEBITS[205] = " HTTP Version Not Supported";
}
private static String codeMessage(int code){
if(code == 100) return " Continue";
if(code >> 8 == 0) return HEIGHTBITS[code-200];
return NINEBITS[code-300];
}
}