Maven test

.vscode/settings.json

@@ -0,0 +1,10 @@
+{
+    "go.goroot": "/home/aleks/.local/share/mise/installs/go/1.23.4",
+    "debug.javascript.defaultRuntimeExecutable": {
+        "pwa-node": "/home/aleks/.local/share/mise/shims/node"
+    },
+    "go.alternateTools": {
+        "go": "/home/aleks/.local/share/mise/shims/go",
+        "dlv": "/home/aleks/.local/share/mise/shims/dlv"
+    }
+}

core/__snapshots__/TestGenerateBuildPlanForExamples_java-maven_1.snap.json

@@ -0,0 +1,59 @@
+{
+ "deploy": {
+  "inputs": [
+   {
+    "image": "ghcr.io/railwayapp/railpack-runtime:latest"
+   }
+  ],
+  "startCommand": "java  $JAVA_OPTS -jar target/*jar"
+ },
+ "steps": [
+  {
+   "assets": {
+    "mise.toml": "[mise.toml]"
+   },
+   "commands": [
+    {
+     "path": "/mise/shims"
+    },
+    {
+     "customName": "create mise config",
+     "name": "mise.toml",
+     "path": "/etc/mise/config.toml"
+    },
+    {
+     "cmd": "sh -c 'mise trust -a \u0026\u0026 mise install'",
+     "customName": "install mise packages: java, maven"
+    }
+   ],
+   "inputs": [
+    {
+     "image": "ghcr.io/railwayapp/railpack-builder:latest"
+    }
+   ],
+   "name": "packages:mise",
+   "variables": {
+    "MISE_CACHE_DIR": "/mise/cache",
+    "MISE_CONFIG_DIR": "/mise",
+    "MISE_DATA_DIR": "/mise",
+    "MISE_INSTALLS_DIR": "/mise/installs",
+    "MISE_SHIMS_DIR": "/mise/shims"
+   }
+  },
+  {
+   "commands": [
+    {
+     "dest": ".",
+     "src": "."
+    },
+    {
+     "cmd": "mvn -DoutputFile=target/mvn-dependency-list.log -B -DskipTests clean dependency:list install"
+    }
+   ],
+   "name": "build",
+   "secrets": [
+    "*"
+   ]
+  }
+ ]
+}

core/providers/java/java.go

@@ -17,15 +17,20 @@ func (p *JavaProvider) Detect(ctx *generate.GenerateContext) (bool, error) {
 	return ctx.App.HasMatch("pom.{xml,atom,clj,groovy,rb,scala,yaml,yml}") || ctx.App.HasMatch("gradlew"), nil
 }
 
-func (p *JavaProvider) Initialize() error {
+func (p *JavaProvider) Initialize(ctx *generate.GenerateContext) error {
 	return nil
 }
 
+func (p *JavaProvider) StartCommandHelp() string {
+	return ""
+}
+
 func (p *JavaProvider) Plan(ctx *generate.GenerateContext) error {
 	p.installJDK(ctx)
 
 	build := ctx.NewCommandStep("build")
 	build.AddCommand(plan.NewCopyCommand("."))
+	build.Inputs = []plan.Input{plan.NewStepInput(ctx.GetMiseStepBuilder().Name())}
 
 	if p.usesGradle(ctx) {
 		p.installGradle(ctx)
@@ -46,6 +51,10 @@ func (p *JavaProvider) Plan(ctx *generate.GenerateContext) error {
 		build.AddCommand(plan.NewExecCommand(fmt.Sprintf("%s -DoutputFile=target/mvn-dependency-list.log -B -DskipTests clean dependency:list install", p.getMavenExe(ctx))))
 	}
 
+	ctx.Deploy.Inputs = []plan.Input{
+		plan.NewStepInput(build.Name()),
+		plan.NewLocalInput("."),
+	}
 	ctx.Deploy.StartCmd = p.getStartCmd(ctx)
 
 	return nil

core/providers/provider.go

@@ -3,6 +3,7 @@ package providers
 import (
 	"github.com/railwayapp/railpack/core/generate"
 	"github.com/railwayapp/railpack/core/providers/golang"
+	"github.com/railwayapp/railpack/core/providers/java"
 	"github.com/railwayapp/railpack/core/providers/node"
 	"github.com/railwayapp/railpack/core/providers/php"
 	"github.com/railwayapp/railpack/core/providers/python"
@@ -26,6 +27,7 @@ func GetLanguageProviders() []Provider {
 		&golang.GoProvider{},
 		&staticfile.StaticfileProvider{},
 		&shell.ShellProvider{},
+		&java.JavaProvider{},
 	}
 }
 

examples/java-maven/.gitignore

@@ -0,0 +1,2 @@
+!test/
+target/

examples/java-maven/pom.xml

@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.railpack</groupId>
+  <artifactId>java-maven</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <name>java-maven</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.release>17</maven.compiler.release>
+  </properties>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.junit</groupId>
+        <artifactId>junit-bom</artifactId>
+        <version>5.11.0</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <!-- Optionally: parameterized tests support -->
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-params</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
+      <plugins>
+        <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
+        <plugin>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.4.0</version>
+        </plugin>
+        <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
+        <plugin>
+          <artifactId>maven-resources-plugin</artifactId>
+          <version>3.3.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-compiler-plugin</artifactId>
+          <version>3.13.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>3.3.0</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.4.2</version>
+          <configuration>
+            <archive>
+              <manifest>
+                <addClasspath>true</addClasspath>
+                <classpathPrefix>lib/</classpathPrefix>
+                <mainClass>com.railpack.App</mainClass>
+              </manifest>
+            </archive>
+          </configuration>
+        </plugin>
+        <plugin>
+          <artifactId>maven-install-plugin</artifactId>
+          <version>3.1.2</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-deploy-plugin</artifactId>
+          <version>3.1.2</version>
+        </plugin>
+        <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
+        <plugin>
+          <artifactId>maven-site-plugin</artifactId>
+          <version>3.12.1</version>
+        </plugin>
+        <plugin>
+          <artifactId>maven-project-info-reports-plugin</artifactId>
+          <version>3.6.1</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+</project>

examples/java-maven/src/main/java/com/railpack/App.java

@@ -0,0 +1,10 @@
+package com.railpack;
+
+/**
+ * Hello world!
+ */
+public class App {
+    public static void main(String[] args) {
+        System.out.println("Hello Railpack!");
+    }
+}

examples/java-maven/src/test/java/com/railpack/AppTest.java

@@ -0,0 +1,19 @@
+package com.railpack;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest {
+
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue() {
+        assertTrue(true);
+    }
+}

examples/java-maven/test.json

@@ -0,0 +1,5 @@
+[
+    {
+        "expectedOutput": "Hello Railpack!"
+    }
+]