improve event listener

This commit is contained in:
Daniella / Tove 2022-07-06 01:04:23 +02:00
parent 839d0f030f
commit 37f08b5178
2 changed files with 101 additions and 22 deletions

View file

@ -2,10 +2,12 @@ package de.tudbut.tryumph.events;
import java.lang.reflect.InvocationTargetException; import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method; import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import de.tudbut.async.Callback; import de.tudbut.async.Callback;
import de.tudbut.tryumph.server.Request; import de.tudbut.tryumph.server.Request;
import de.tudbut.tryumph.server.Response; import de.tudbut.tryumph.server.Response;
import tudbut.parsing.TCN;
public class EventListener { public class EventListener {
@ -21,34 +23,96 @@ public class EventListener {
Method method = methods[i]; Method method = methods[i];
if(method.getDeclaredAnnotations().length == 0) if(method.getDeclaredAnnotations().length == 0)
continue; continue;
if(method.getReturnType() == void.class) { boolean usable = true;
boolean usable = true; if(method.getDeclaredAnnotation(GET.class) != null && !request.method.equals("GET")) {
if(method.getDeclaredAnnotation(GET.class) != null && !request.method.equals("GET")) { usable = false;
usable = false; }
} if(method.getDeclaredAnnotation(POST.class) != null && !request.method.equals("POST")) {
if(method.getDeclaredAnnotation(POST.class) != null && !request.method.equals("POST")) { usable = false;
usable = false; }
} Path pathA = method.getDeclaredAnnotation(Path.class);
Path pathA = method.getDeclaredAnnotation(Path.class); if(pathA != null && !request.realPath.matches("^" + pathA.value() + "$")) {
if(pathA != null && !request.realPath.matches("^" + pathA.value() + "$")) { usable = false;
usable = false; }
} RequestMethod methodA = method.getDeclaredAnnotation(RequestMethod.class);
RequestMethod methodA = method.getDeclaredAnnotation(RequestMethod.class); if(methodA != null && !request.method.matches("^" + methodA.value() + "$")) {
if(methodA != null && !request.method.matches("^" + methodA.value() + "$")) { usable = false;
usable = false; }
}
if(usable) { if(usable) {
if(method.getReturnType() == void.class) {
try { try {
method.invoke(catcher, request, res, rej); method.invoke(catcher, request, res, rej);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
e.printStackTrace(); e.printStackTrace();
} }
} }
} else if(method.getReturnType() == Response.class) {
else if(method.getReturnType() == Response.class) { Object[] args = new Object[method.getParameterCount()];
Parameter[] params = method.getParameters();
TCN q = request.query();
TCN b = null;
for(int j = 0; j < params.length; j++) {
Parameter param = params[j];
try {
if(param.getType() == Request.class) {
args[j] = request;
}
PPathFragment pathFragment = param.getDeclaredAnnotation(PPathFragment.class);
if(pathFragment != null) {
args[j] = request.splitPath[pathFragment.value()];
}
PQuery query = param.getDeclaredAnnotation(PQuery.class);
if(query != null) {
args[j] = fromTCN(q, query.value(), param);
}
PBody body = param.getDeclaredAnnotation(PBody.class);
if(body != null) {
try {
if(b == null)
b = request.bodyURLEncoded();
args[j] = fromTCN(b, body.value(), param);
} catch (Exception e) {
args[j] = null;
}
}
PCookie cookie = param.getDeclaredAnnotation(PCookie.class);
if(cookie != null) {
args[j] = request.cookies.get(cookie.value());
}
PData data = param.getDeclaredAnnotation(PData.class);
if(data != null) {
args[j] = fromTCN(request.context.data, data.value(), param);
}
PHeader header = param.getDeclaredAnnotation(PHeader.class);
if(header != null) {
args[j] = request.headers.get(header.value());
}
} catch(Exception e) {
e.printStackTrace();
}
}
try {
res.call((Response) method.invoke(catcher, args));
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
e.printStackTrace();
}
}
} }
} }
} }
private Object fromTCN(TCN tcn, String s, Parameter param) {
Method[] tcnMethods = TCN.class.getDeclaredMethods();
for(int m = 0; m < tcnMethods.length; m++) {
Method tcnMethod = tcnMethods[m];
if(tcnMethod.getParameterCount() == 1 && tcnMethod.getReturnType() == param.getType())
try {
return tcnMethod.invoke(tcn, s);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
e.printStackTrace();
}
}
return null;
}
} }

View file

@ -3,6 +3,7 @@ package de.tudbut.tryumph.server.http;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.net.Socket; import java.net.Socket;
import java.net.SocketException;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.util.Arrays; import java.util.Arrays;
import java.util.HashMap; import java.util.HashMap;
@ -25,7 +26,14 @@ public class HTTPRequestReader {
} }
private int read() throws IOException { private int read() throws IOException {
int i = stream.read(); int i;
try {
i = stream.read();
} catch (SocketException e) {
if(e.getMessage().equals("Connection reset"))
throw new Stop();
throw e;
}
if(i == -1) { if(i == -1) {
throw new Stop(); throw new Stop();
} }
@ -33,7 +41,14 @@ public class HTTPRequestReader {
} }
private int read(byte[] bytes) throws IOException { private int read(byte[] bytes) throws IOException {
int i = stream.read(bytes); int i;
try {
i = stream.read(bytes);
} catch (SocketException e) {
if(e.getMessage().equals("Connection reset"))
throw new Stop();
throw e;
}
if(i != bytes.length) { if(i != bytes.length) {
throw new Stop(); throw new Stop();
} }