| commit | author | age | ||
| 23abc6 | 1 | /* |
| U | 2 | http-base - Extensions to jdk.httpserver |
| 3 | Copyright (C) 2021 Ulrich Hilger | |
| 4 | ||
| 5 | This program is free software: you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU Affero General Public License as | |
| 7 | published by the Free Software Foundation, either version 3 of the | |
| 8 | License, or (at your option) any later version. | |
| 9 | ||
| 10 | This program is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | GNU Affero General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Affero General Public License | |
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | package de.uhilger.httpserver.base.actor; | |
| 19 | ||
| 20 | import com.sun.net.httpserver.HttpExchange; | |
| 21 | import com.sun.net.httpserver.HttpHandler; | |
| 22 | import de.uhilger.httpserver.base.handler.AttributeHandler; | |
| 23 | import de.uhilger.httpserver.base.handler.HandlerDescriptor; | |
| 24 | import de.uhilger.httpserver.base.handler.PatternDelegator; | |
| 25 | import java.io.IOException; | |
| 26 | import java.lang.reflect.InvocationTargetException; | |
| 27 | import java.util.Iterator; | |
| 28 | import java.util.Map; | |
| 29 | import java.util.Set; | |
| 30 | import java.util.logging.Logger; | |
| 31 | import java.util.logging.Level; | |
| 32 | ||
| 33 | /** | |
| 34 | * Der DelegateActor delegiert die Bearbeitung einer HTTP-Anfrage an einen | |
| 35 | * HttpHandler. Zu einem bestimmten | |
| 36 | * Muster passende URLs werden an den zum Muster hinterlegten HttpHandler | |
| 37 | * weitergegeben. | |
| 38 | * | |
| 39 | * @author Ulrich Hilger | |
| 40 | * @version 1, 03.07.2021 | |
| 41 | */ | |
| 42 | public class DelegateActor { | |
| 43 | ||
| 44 | /** Der Logger dieser Klasse */ | |
| 45 | private static final Logger logger = Logger.getLogger(DelegateActor.class.getName()); | |
| 46 | ||
| 47 | public boolean handle(HttpExchange exchange, Map<String, HandlerDescriptor> handlers) throws IOException { | |
| 48 | String path = exchange.getRequestURI().getPath(); | |
| 49 | logger.fine("path: " + path); | |
| 50 | Set keys = handlers.keySet(); | |
| 51 | Iterator<String> i = keys.iterator(); | |
| 52 | boolean noMatch = true; | |
| 53 | while(i.hasNext() && noMatch) { | |
| 54 | String regex = i.next(); | |
| 55 | logger.fine("regex: " + regex); | |
| 56 | if(path.matches(regex)) { | |
| 57 | try { | |
| 58 | noMatch = false; | |
| 59 | logger.fine("match"); | |
| 60 | //HttpHandler handler = handlers.get(regex); | |
| 61 | HandlerDescriptor hd = handlers.get(regex); | |
| 62 | String handlerClass = hd.getHandlerClassName(); | |
| 63 | Object o = Class.forName(handlerClass).getConstructors()[0].newInstance(); | |
| 64 | if(o instanceof AttributeHandler) { | |
| 65 | AttributeHandler handler = (AttributeHandler) o; | |
| 66 | Map<String, String> attrs = hd.getAttributes(); | |
| 67 | Iterator<String> it = attrs.keySet().iterator(); | |
| 68 | while(it.hasNext()) { | |
| 69 | String key = it.next(); | |
| 70 | String value = attrs.get(key); | |
| 71 | handler.setAttribute(key, value); | |
| 72 | } | |
| 73 | handler.handle(exchange); | |
| 74 | } else if(o instanceof HttpHandler) { | |
| 75 | HttpHandler handler = (HttpHandler) o; | |
| 76 | handler.handle(exchange); | |
| 77 | } | |
| 78 | } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | IllegalArgumentException | InvocationTargetException ex) { | |
| 79 | Logger.getLogger(PatternDelegator.class.getName()).log(Level.SEVERE, null, ex); | |
| 80 | } | |
| 81 | } | |
| 82 | } | |
| 83 | return noMatch; | |
| 84 | } | |
| 85 | ||
| 86 | } | |
