Simplify CMS RCP

[lgpl/argeo-commons.git] / swt / rcp / org.argeo.cms.swt.rcp / src / org / argeo / cms / ui / rcp / servlet / CmsRcpServletFactory.java

diff --git a/swt/rcp/org.argeo.cms.swt.rcp/src/org/argeo/cms/ui/rcp/servlet/CmsRcpServletFactory.java b/swt/rcp/org.argeo.cms.swt.rcp/src/org/argeo/cms/ui/rcp/servlet/CmsRcpServletFactory.java
deleted file mode 100644 (file)
index 778cd1b..0000000
--- a/swt/rcp/org.argeo.cms.swt.rcp/src/org/argeo/cms/ui/rcp/servlet/CmsRcpServletFactory.java
+++ /dev/null
@@ -1,129 +0,0 @@
-package org.argeo.cms.ui.rcp.servlet;
-
-import static java.lang.System.Logger.Level.DEBUG;
-
-import java.io.IOException;
-import java.lang.System.Logger;
-import java.lang.System.Logger.Level;
-import java.net.DatagramSocket;
-import java.net.ServerSocket;
-import java.net.URI;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.Map;
-import java.util.concurrent.CompletableFuture;
-
-import org.argeo.api.cms.CmsApp;
-import org.argeo.cms.ui.rcp.CmsRcpDisplayFactory;
-
-import com.sun.net.httpserver.HttpExchange;
-import com.sun.net.httpserver.HttpHandler;
-import com.sun.net.httpserver.HttpServer;
-
-/** Publishes one {@link CmsRcpServlet} per {@link CmsApp}. */
-public class CmsRcpServletFactory {
-       private final static Logger logger = System.getLogger(CmsRcpServletFactory.class.getName());
-       private CompletableFuture<HttpServer> httpServer = new CompletableFuture<>();
-
-       public void init() {
-
-       }
-
-       public void destroy() {
-               Path runFile = CmsRcpDisplayFactory.getUrlRunFile();
-               try {
-                       if (Files.exists(runFile)) {
-                               Files.delete(runFile);
-                       }
-               } catch (IOException e) {
-                       logger.log(Level.ERROR, "Cannot delete " + runFile, e);
-               }
-       }
-
-       public void addCmsApp(CmsApp cmsApp, Map<String, String> properties) {
-               final String contextName = properties.get(CmsApp.CONTEXT_NAME_PROPERTY);
-               if (contextName != null) {
-                       httpServer.thenAcceptAsync((httpServer) -> {
-                               httpServer.createContext("/" + contextName, new HttpHandler() {
-
-                                       @Override
-                                       public void handle(HttpExchange exchange) throws IOException {
-                                               String path = exchange.getRequestURI().getPath();
-                                               String uiName = path != null ? path.substring(path.lastIndexOf('/') + 1) : "";
-                                               CmsRcpDisplayFactory.openCmsApp(cmsApp, uiName, null);
-                                               exchange.sendResponseHeaders(200, -1);
-                                               logger.log(Level.DEBUG, "Opened RCP UI  " + uiName + " of  CMS App /" + contextName);
-                                       }
-                               });
-                       }).exceptionally(e -> {
-                               logger.log(Level.ERROR, "Cannot register RCO app " + contextName, e);
-                               return null;
-                       });
-                       logger.log(Level.DEBUG, "Registered RCP CMS APP /" + contextName);
-               }
-       }
-
-       public void removeCmsApp(CmsApp cmsApp, Map<String, String> properties) {
-               String contextName = properties.get(CmsApp.CONTEXT_NAME_PROPERTY);
-               if (contextName != null) {
-                       httpServer.thenAcceptAsync((httpServer) -> {
-                               httpServer.removeContext("/" + contextName);
-                       });
-               }
-       }
-
-       public void setHttpServer(HttpServer httpServer) {
-               Integer httpPort = httpServer.getAddress().getPort();
-               String baseUrl = "http://localhost:" + httpPort + "/";
-               Path runFile = CmsRcpDisplayFactory.getUrlRunFile();
-               try {
-                       if (!Files.exists(runFile)) {
-                               Files.createDirectories(runFile.getParent());
-                               // TODO give read permission only to the owner
-                               Files.createFile(runFile);
-                       } else {
-                               URI uri = URI.create(Files.readString(runFile));
-                               if (!httpPort.equals(uri.getPort()))
-                                       if (!isPortAvailable(uri.getPort())) {
-                                               throw new IllegalStateException("Another CMS is running on " + runFile);
-                                       } else {
-                                               logger.log(Level.WARNING,
-                                                               "Run file " + runFile + " found but port of " + uri + " is available. Overwriting...");
-                                       }
-                       }
-                       Files.writeString(runFile, baseUrl, StandardCharsets.UTF_8);
-               } catch (IOException e) {
-                       throw new RuntimeException("Cannot write run file to " + runFile, e);
-               }
-               logger.log(DEBUG, "RCP available under " + baseUrl + ", written to " + runFile);
-               this.httpServer.complete(httpServer);
-       }
-
-       protected boolean isPortAvailable(int port) {
-               ServerSocket ss = null;
-               DatagramSocket ds = null;
-               try {
-                       ss = new ServerSocket(port);
-                       ss.setReuseAddress(true);
-                       ds = new DatagramSocket(port);
-                       ds.setReuseAddress(true);
-                       return true;
-               } catch (IOException e) {
-               } finally {
-                       if (ds != null) {
-                               ds.close();
-                       }
-
-                       if (ss != null) {
-                               try {
-                                       ss.close();
-                               } catch (IOException e) {
-                                       /* should not be thrown */
-                               }
-                       }
-               }
-
-               return false;
-       }
-}