Merge pull request #1035 from amvanbaren/feature/custom-error-page

Add ServerErrorController

Author: amvanbaren

server/src/main/java/org/eclipse/openvsx/web/ServerErrorController.java

@@ -0,0 +1,30 @@
+/** ******************************************************************************
+ * Copyright (c) 2024 Precies. Software OU and others
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ * ****************************************************************************** */
+package org.eclipse.openvsx.web;
+
+import org.eclipse.openvsx.util.UrlUtil;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.web.servlet.error.ErrorController;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@ConditionalOnProperty(value = "server.error.path", havingValue = "/server-error")
+public class ServerErrorController implements ErrorController {
+
+    @Value("${ovsx.webui.url:}")
+    String webuiUrl;
+
+    @RequestMapping("/server-error")
+    public String handleError() {
+        return "redirect:" + UrlUtil.createApiUrl(webuiUrl, "error");
+    }
+}