84 lines
3.2 KiB
Java
84 lines
3.2 KiB
Java
package org.openautonomousconnection.webserver.runtime;
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import org.openautonomousconnection.protocol.packets.v1_0_0.beta.web.WebRequestPacket;
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import org.openautonomousconnection.protocol.packets.v1_0_0.beta.web.WebResponsePacket;
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import org.openautonomousconnection.protocol.side.server.CustomConnectedClient;
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import org.openautonomousconnection.protocol.side.web.ProtocolWebServer;
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import org.openautonomousconnection.webserver.WebServer;
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import org.openautonomousconnection.webserver.api.WebPage;
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import org.openautonomousconnection.webserver.api.WebPageContext;
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import org.openautonomousconnection.webserver.utils.WebHasher;
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import org.openautonomousconnection.webserver.utils.RequestParams;
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import java.io.File;
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import java.nio.charset.StandardCharsets;
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import java.util.Map;
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/**
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* Dispatches Java WebPages using @Route annotation.
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*/
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public final class JavaPageDispatcher {
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private static final JavaRouteRegistry ROUTES = new JavaRouteRegistry();
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private JavaPageDispatcher() {}
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public static WebResponsePacket dispatch(
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CustomConnectedClient client,
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ProtocolWebServer server,
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WebRequestPacket request
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) throws Exception {
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if (request.getPath() == null) return null;
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String route = request.getPath();
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if (!route.startsWith("/")) route = "/" + route;
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File contentRoot = server.getContentFolder();
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ROUTES.refreshIfNeeded(contentRoot);
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JavaRouteRegistry.RouteLookupResult found = ROUTES.find(route);
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// If no @Route match, still detect "requested a .java-backed path by filename"
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// (legacy behavior): if a matching *.java exists, compile/load but return error.
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if (found == null) {
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String p = route.startsWith("/") ? route.substring(1) : route;
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File javaFile = new File(contentRoot, p + ".java");
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if (javaFile.exists() && javaFile.isFile()) {
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// Compile/load but do not serve.
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new JavaPageCache().getOrCompile(javaFile);
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return error(501, "Java class exists but has no @Route: " + route);
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}
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return null; // not a Java route -> let file server handle it
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}
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// If it has @Route but is not a WebPage, compile/load but return error.
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if (!found.routable()) {
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return error(500, "Class has @Route but is not a WebPage: " + found.fqcn());
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}
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// Load and execute
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Class<?> clazz = Class.forName(found.fqcn());
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Object instance = clazz.getDeclaredConstructor().newInstance();
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if (!(instance instanceof WebPage page)) {
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return error(500, "Routed class is not a WebPage: " + found.fqcn());
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}
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WebHasher hasher = (server instanceof WebServer ws) ? ws.getHasher() : null;
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if (hasher == null) return error(500, "WebHasher missing on server instance.");
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WebPageContext ctx = new WebPageContext(client, server, request, new RequestParams(request), hasher);
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return page.handle(ctx);
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}
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private static WebResponsePacket error(int code, String msg) {
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return new WebResponsePacket(
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code,
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"text/plain; charset=utf-8",
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Map.of(),
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msg.getBytes(StandardCharsets.UTF_8)
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);
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}
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}
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