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Rest server Grundgerüst funktioniert

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This commit is contained in:
Georg Reisinger
2020-10-17 17:35:08 +02:00
parent ef7e184c7d
commit e4dc1acdfe
15 changed files with 357 additions and 0 deletions
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.idea/.gitignore generated vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Datasource local storage ignored files
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/dataSources.local.xml
# Editor-based HTTP Client requests
/httpRequests/

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<html>Simple <b>JavaFX 2.0</b> application that includes simple .fxml file with attached controller and Main class to quick start. Artifact to build JavaFX application is provided.
</html>

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<?xml version="1.0" encoding="UTF-8"?>
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RestServer.iml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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out/production/RestServer/at/reisinger/Main.class Normal file
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out/production/RestServer/at/reisinger/server/Main.class Normal file
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out/production/RestServer/at/reisinger/server/thread/ClientThread.class Normal file
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src/at/reisinger/server/Main.java Normal file
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package at.reisinger.server;
import at.reisinger.server.thread.ClientThread;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
public class Main {
static final int port = 80;
public static void main(String[] args) {
System.out.println("Starte Server auf Port 80");
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(port);
int id = 0;
while (true){
Socket socket = serverSocket.accept();
new ClientThread(id, socket).start();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

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src/at/reisinger/server/thread/ClientThread.java Normal file
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package at.reisinger.server.thread;
import java.io.*;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
public class ClientThread extends Thread{
private Socket socket;
private int id;
private PrintStream out;
private InputStream in;
private String cmd;
private String url;
private String httpversion;
private StringBuilder rqBuilder;
/**
* Neuer Client wird erstellt
* @param id Id des Clients
* @param socket Socket des Clients
*/
public ClientThread(int id, Socket socket) {
this.id = id;
this.socket = socket;
this.rqBuilder = new StringBuilder();
}
/**
* Hauptmethode des ClientThreads
*/
@Override
public void run() {
try{
System.out.println("Socket von Client #" + this.id + " wurde gestartet!");
out = new PrintStream(socket.getOutputStream());
in = socket.getInputStream();
getRequest();
createResponse();
socket.close();
System.out.println("Socket von Client #" + this.id + " wurde geschlossen!");
}catch (IOException e){
e.printStackTrace();
}
}
/**
* Erstellt eine Respone Message anhand des gegebenen Requests
*/
private void createResponse() {
if (this.url != null) {
if (this.cmd.equals("GET")) {
if (this.url.startsWith("/test")) {
out.print("HTTP/1.0 200 OK\r\n");
out.print("Date: Fri, 31 Dec 1999 23:59:59 GMT\r\n");
out.print("Server: Apache/0.8.4\r\n");
out.print("Content-Type: text/html\r\n");
out.print("Content-Length: 59\r\n");
out.print("Expires: Sat, 01 Jan 2000 00:59:59 GMT\r\n");
out.print("Last-modified: Fri, 09 Aug 1996 14:21:40 GMT\r\n");
out.print("\r\n");
out.print("<TITLE>Test</TITLE>");
out.print("<P>Das ist ein Test</P>");
} else if (this.url.startsWith("/")) {
out.print("HTTP/1.0 200 OK\r\n");
out.print("Date: Fri, 31 Dec 1999 23:59:59 GMT\r\n");
out.print("Server: Apache/0.8.4\r\n");
out.print("Content-Type: text/html\r\n");
out.print("Content-Length: 59\r\n");
out.print("Expires: Sat, 01 Jan 2000 00:59:59 GMT\r\n");
out.print("Last-modified: Fri, 09 Aug 1996 14:21:40 GMT\r\n");
out.print("\r\n");
out.print("<TITLE>Hello World!</TITLE>");
out.print("<P>Hallo Welt!</P>");
}
}else if (this.cmd.equals("POST")){
}else if (this.cmd.equals("PUT")){
}else if (this.cmd.equals("DELETE")){
}else{
/*
ERROR senden
*/
}
}
}
/**
* Holt den HTTP Request
*/
private void getRequest() throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line;
while (!(line = bufferedReader.readLine()).isBlank()) {
rqBuilder.append(line + "\r\n");
}
String request = rqBuilder.toString();
String[] requestsLines = request.split("\r\n");
String[] requestLine = requestsLines[0].split(" ");
String method = requestLine[0];
String path = requestLine[1];
String version = requestLine[2];
String host = requestsLines[1].split(" ")[1];
this.url = path;
this.httpversion = version;
this.cmd = method;
List<String> headers = new ArrayList<>();
for (int h = 2; h < requestsLines.length; h++) {
String header = requestsLines[h];
headers.add(header);
}
String accessLog = String.format("Client %s, method %s, path %s, version %s, host %s, headers %s",
socket.toString(), method, path, version, host, headers.toString());
System.out.println(accessLog);
}
}