/*
|
http-base - Extensions to jdk.httpserver
|
Copyright (C) 2021 Ulrich Hilger
|
|
This program is free software: you can redistribute it and/or modify
|
it under the terms of the GNU Affero General Public License as
|
published by the Free Software Foundation, either version 3 of the
|
License, or (at your option) any later version.
|
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU Affero General Public License for more details.
|
|
You should have received a copy of the GNU Affero General Public License
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
*/
|
package de.uhilger.httpserver.base.actor;
|
|
import com.sun.net.httpserver.HttpExchange;
|
import com.sun.net.httpserver.HttpHandler;
|
import de.uhilger.httpserver.base.handler.AttributeHandler;
|
import de.uhilger.httpserver.base.handler.HandlerDescriptor;
|
import de.uhilger.httpserver.base.handler.PatternDelegator;
|
import java.io.IOException;
|
import java.lang.reflect.InvocationTargetException;
|
import java.util.Iterator;
|
import java.util.Map;
|
import java.util.Set;
|
|
/**
|
* Der DelegateActor delegiert die Bearbeitung einer HTTP-Anfrage an einen
|
* HttpHandler. Zu einem bestimmten
|
* Muster passende URLs werden an den zum Muster hinterlegten HttpHandler
|
* weitergegeben.
|
*
|
* @author Ulrich Hilger
|
* @version 1, 03.07.2021
|
*/
|
public class DelegateActor {
|
|
public boolean handle(HttpExchange exchange, Map<String, HandlerDescriptor> handlers) throws IOException {
|
String path = exchange.getRequestURI().getPath();
|
//logger.fine("path: " + path);
|
Set keys = handlers.keySet();
|
Iterator<String> i = keys.iterator();
|
boolean noMatch = true;
|
while(i.hasNext() && noMatch) {
|
String regex = i.next();
|
//logger.fine("regex: " + regex);
|
if(path.matches(regex)) {
|
try {
|
noMatch = false;
|
//logger.fine("match");
|
//HttpHandler handler = handlers.get(regex);
|
HandlerDescriptor hd = handlers.get(regex);
|
String handlerClass = hd.getHandlerClassName();
|
Object o = Class.forName(handlerClass).getConstructors()[0].newInstance();
|
if(o instanceof AttributeHandler) {
|
AttributeHandler handler = (AttributeHandler) o;
|
Map<String, String> attrs = hd.getAttributes();
|
Iterator<String> it = attrs.keySet().iterator();
|
while(it.hasNext()) {
|
String key = it.next();
|
String value = attrs.get(key);
|
handler.setAttribute(key, value);
|
}
|
handler.handle(exchange);
|
} else if(o instanceof HttpHandler) {
|
HttpHandler handler = (HttpHandler) o;
|
handler.handle(exchange);
|
}
|
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) {
|
//Logger.getLogger(PatternDelegator.class.getName()).log(Level.SEVERE, null, ex);
|
}
|
}
|
}
|
return noMatch;
|
}
|
|
}
|
