Picocli app

quarkus-workshop-super-heroes/docs/src/docs/asciidoc/optional-cli/cli.adoc

@@ -8,17 +8,18 @@ You will download the load application, install it and run it.
 
 == Give me some load!
 
-In the `super-heroes/load-super-heroes` directory, there is an application that is **NOT** a Quarkus application.
-It's a simple Java app that simulates users interacting with the system so it generates some load.
+In the `super-heroes/cli-super-heroes` directory, there is a command line Quarkus application .
+This application simulates users interacting with the system so it generates some load.
 
 == Looking at Some Code
 
-The `SuperHeroesLoad` class is just a `main` that executes the `FightScenario`, `HeroScenario` and `VillainScenario` in different threads.
+The `CLIMain` class is just a Picocli extension command line application that executes the `FightScenario`, `HeroScenario` and `VillainScenario`,
+on the same thread but randomly execuring 3 different random calls to the 3 REST APIs.
 For example, if you look at the `HeroScenario`, you will see that it's just a suit of HTTP calls on the Hero API:
 
 [source,indent=0]
 ----
-include::{projectdir}/load-super-heroes/src/main/java/io/quarkus/workshop/superheroes/load/HeroScenario.java[tag=adocScenario]
+include::{projectdir}/cli-super-heroes/src/main/java/io/quarkus/workshop/superheroes/load/scenarios/HeroScenario.java[tag=adocScenario]
 ----
 
 == Running the Load Application
@@ -30,12 +31,12 @@ Time to compile and start the load application using:
 
 [source,shell]
 ----
-./mvnw compile
-./mvnw exec:java
+./mvnw package
+java -jar ./target/quarkus-app/quarkus-run.jar -s
 ----
 --
 
-You will see the following logs:
+You will see the following logs. To stop the load, write something and press Enter key.
 
 [source,shell]
 ----

quarkus-workshop-super-heroes/pom.xml

@@ -114,7 +114,7 @@
                 <module>super-heroes/rest-fights</module>
                 <module>super-heroes/event-statistics</module>
                 <module>super-heroes/rest-narration</module>
-                <module>super-heroes/load-super-heroes</module>
+                <module>super-heroes/cli-super-heroes</module>
             </modules>
         </profile>
         <profile>
@@ -141,6 +141,7 @@
                 <module>super-heroes/rest-fights</module>
                 <module>super-heroes/event-statistics</module>
                 <module>super-heroes/rest-narration</module>
+                <module>super-heroes/cli-super-heroes</module>
                 <module>docs</module>
             </modules>
         </profile>

quarkus-workshop-super-heroes/super-heroes/cli-super-heroes/.dockerignore

@@ -0,0 +1,5 @@
+*
+!target/*-runner
+!target/*-runner.jar
+!target/lib/*
+!target/quarkus-app/*

quarkus-workshop-super-heroes/super-heroes/cli-super-heroes/.gitignore

@@ -0,0 +1,43 @@
+#Maven
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+release.properties
+.flattened-pom.xml
+
+# Eclipse
+.project
+.classpath
+.settings/
+bin/
+
+# IntelliJ
+.idea
+*.ipr
+*.iml
+*.iws
+
+# NetBeans
+nb-configuration.xml
+
+# Visual Studio Code
+.vscode
+.factorypath
+
+# OSX
+.DS_Store
+
+# Vim
+*.swp
+*.swo
+
+# patch
+*.orig
+*.rej
+
+# Local environment
+.env
+
+# Plugin directory
+/.quarkus/cli/plugins/

quarkus-workshop-super-heroes/super-heroes/cli-super-heroes/.mvn/wrapper/.gitignore

@@ -0,0 +1 @@
+maven-wrapper.jar

quarkus-workshop-super-heroes/super-heroes/cli-super-heroes/.mvn/wrapper/MavenWrapperDownloader.java

@@ -0,0 +1,98 @@
+/*
+ * 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.
+ */
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.Authenticator;
+import java.net.PasswordAuthentication;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+
+public final class MavenWrapperDownloader
+{
+    private static final String WRAPPER_VERSION = "3.2.0";
+
+    private static final boolean VERBOSE = Boolean.parseBoolean( System.getenv( "MVNW_VERBOSE" ) );
+
+    public static void main( String[] args )
+    {
+        log( "Apache Maven Wrapper Downloader " + WRAPPER_VERSION );
+
+        if ( args.length != 2 )
+        {
+            System.err.println( " - ERROR wrapperUrl or wrapperJarPath parameter missing" );
+            System.exit( 1 );
+        }
+
+        try
+        {
+            log( " - Downloader started" );
+            final URL wrapperUrl = new URL( args[0] );
+            final String jarPath = args[1].replace( "..", "" ); // Sanitize path
+            final Path wrapperJarPath = Paths.get( jarPath ).toAbsolutePath().normalize();
+            downloadFileFromURL( wrapperUrl, wrapperJarPath );
+            log( "Done" );
+        }
+        catch ( IOException e )
+        {
+            System.err.println( "- Error downloading: " + e.getMessage() );
+            if ( VERBOSE )
+            {
+                e.printStackTrace();
+            }
+            System.exit( 1 );
+        }
+    }
+
+    private static void downloadFileFromURL( URL wrapperUrl, Path wrapperJarPath )
+        throws IOException
+    {
+        log( " - Downloading to: " + wrapperJarPath );
+        if ( System.getenv( "MVNW_USERNAME" ) != null && System.getenv( "MVNW_PASSWORD" ) != null )
+        {
+            final String username = System.getenv( "MVNW_USERNAME" );
+            final char[] password = System.getenv( "MVNW_PASSWORD" ).toCharArray();
+            Authenticator.setDefault( new Authenticator()
+            {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication()
+                {
+                    return new PasswordAuthentication( username, password );
+                }
+            } );
+        }
+        try ( InputStream inStream = wrapperUrl.openStream() )
+        {
+            Files.copy( inStream, wrapperJarPath, StandardCopyOption.REPLACE_EXISTING );
+        }
+        log( " - Downloader complete" );
+    }
+
+    private static void log( String msg )
+    {
+        if ( VERBOSE )
+        {
+            System.out.println( msg );
+        }
+    }
+
+}

quarkus-workshop-super-heroes/super-heroes/cli-super-heroes/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# 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.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.5/apache-maven-3.9.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar