davsclaus commented on code in PR #23160:
URL: https://github.com/apache/camel/pull/23160#discussion_r3229326793
##########
dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Run.java:
##########
@@ -355,13 +364,75 @@ public boolean disarrangeLogging() {
@Override
public Integer doCall() throws Exception {
+ // handle --example
+ if (exampleList || (example != null && example.isEmpty())) {
+ return listExamples();
+ }
+ if (example != null) {
+ return runExample();
+ }
+
if (!exportRun) {
printConfigurationValues("Running integration with the following
configuration:");
}
// run
return run();
}
+ private int listExamples() {
+ printer().println("Available built-in examples:");
+ printer().println();
+ printer().printf(" %-20s %s%n", "timer-log", "Simple timer that logs
messages every second");
+ printer().printf(" %-20s %s%n", "rest-api", "REST API with hello
endpoints");
+ printer().printf(" %-20s %s%n", "cron-log", "Scheduled task that logs
every 5 seconds");
+ printer().println();
+ printer().println("Usage: camel run --example <name>");
+ printer().println(" camel run --example <name> --dev");
+ return 0;
+ }
+
+ private static final List<String> EXAMPLE_NAMES = List.of("timer-log",
"rest-api", "cron-log");
+
+ private int runExample() throws Exception {
+ String resourcePath = "examples/" + example + ".yaml";
+ InputStream is =
Run.class.getClassLoader().getResourceAsStream(resourcePath);
+ if (is == null) {
+ List<String> suggestions
+ =
org.apache.camel.main.util.SuggestSimilarHelper.didYouMean(EXAMPLE_NAMES,
example);
Review Comment:
Fixed — added `import org.apache.camel.main.util.SuggestSimilarHelper` and
using the simple class name now.
##########
dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Doctor.java:
##########
@@ -0,0 +1,157 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.dsl.jbang.core.commands;
+
+import java.io.File;
+import java.net.ServerSocket;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.camel.catalog.CamelCatalog;
+import org.apache.camel.catalog.DefaultCamelCatalog;
+import org.apache.camel.dsl.jbang.core.common.VersionHelper;
+import org.apache.camel.tooling.maven.MavenDownloaderImpl;
+import org.apache.camel.tooling.maven.MavenResolutionException;
+import picocli.CommandLine.Command;
+
+@Command(name = "doctor", description = "Checks the environment and reports
potential issues",
+ sortOptions = false, showDefaultValues = true)
+public class Doctor extends CamelCommand {
+
+ public Doctor(CamelJBangMain main) {
+ super(main);
+ }
+
+ @Override
+ public Integer doCall() throws Exception {
+ printer().println("Camel JBang Doctor");
+ printer().println("==================");
+ printer().println();
+
+ checkJava();
+ checkJBang();
+ checkCamelVersion();
+ checkMavenRepository();
+ checkContainerRuntime();
+ checkCommonPorts();
+ checkDiskSpace();
+
+ return 0;
+ }
+
+ private void checkJava() {
+ String version = System.getProperty("java.version");
+ String vendor = System.getProperty("java.vendor", "");
+ int major = Runtime.version().feature();
+ String status;
+ if (major >= 21) {
+ status = "OK";
+ } else if (major >= 17) {
+ status = "OK (consider upgrading to 21 or 25 for better
performance)";
+ } else {
+ status = "UNSUPPORTED (17+ required)";
+ }
+ printer().printf(" Java: %s (%s) [%s]%n", version, vendor,
status);
+ }
+
+ private void checkJBang() {
+ String version = VersionHelper.getJBangVersion();
+ if (version != null) {
+ printer().printf(" JBang: %s (OK)%n", version);
+ } else {
+ printer().printf(" JBang: not detected%n");
+ }
+ }
+
+ private void checkCamelVersion() {
+ CamelCatalog catalog = new DefaultCamelCatalog();
+ String version = catalog.getCatalogVersion();
+ printer().printf(" Camel: %s%n", version);
+ }
+
+ private void checkMavenRepository() {
+ MavenDownloaderImpl downloader = new MavenDownloaderImpl();
+ try {
+ downloader.build();
+ CamelCatalog catalog = new DefaultCamelCatalog();
+ String version = catalog.getCatalogVersion();
+ downloader.resolveArtifacts(
+ List.of("org.apache.camel:camel-api:" + version),
+ Set.of(), false, false);
+ printer().printf(" Maven: artifact resolution OK%n");
+ } catch (MavenResolutionException e) {
+ printer().printf(" Maven: artifact resolution failed
(%s)%n", e.getMessage());
+ } catch (Exception e) {
+ printer().printf(" Maven: error (%s)%n", e.getMessage());
+ }
+ }
+
+ private void checkContainerRuntime() {
+ // check docker first, then podman as fallback
+ for (String cmd : new String[] { "docker", "podman" }) {
+ try {
+ Process p = new ProcessBuilder(cmd, "info")
+ .redirectErrorStream(true)
+ .start();
+ // drain output to prevent blocking
+
p.getInputStream().transferTo(java.io.OutputStream.nullOutputStream());
Review Comment:
Fixed — added `import java.io.OutputStream` and using the simple class name
now.
##########
dsl/camel-jbang/camel-jbang-core/src/main/java/org/apache/camel/dsl/jbang/core/commands/Shell.java:
##########
@@ -151,8 +153,35 @@ private static void printBanner(org.jline.shell.Shell
shell, String camelVersion
}
writer.println(banner);
}
- writer.println("Type 'help' for available commands, 'exit' to quit.");
+ int routeCount = countRouteFiles();
+ if (routeCount == 0) {
+ writer.println("No routes found in current directory.");
+ writer.println(" Quick start: init MyRoute.yaml && run *");
+ writer.println(" Templates: init --list");
+ writer.println(" Docs: doc <component>");
+ writer.println(" Need help? help");
+ } else {
+ writer.printf("Found %d route file(s) in current directory.%n",
routeCount);
+ writer.println(" Run: run *");
+ writer.println(" Watch: run * --dev");
+ }
writer.println();
writer.flush();
}
+
+ private static int countRouteFiles() {
+ try (Stream<Path> files = Files.list(Paths.get("."))) {
+ return (int) files.filter(Files::isRegularFile)
+ .filter(p -> {
+ String name = p.getFileName().toString();
+ return name.endsWith(".yaml") &&
!name.endsWith(".kamelet.yaml")
Review Comment:
Fixed — added explicit parentheses for clarity.
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