Java Switcher

Easily switch between different JDK and Maven versions on a per-workspace basis.

Features

• Switch Workspace JDK: Change the JDK version for your current workspace.
• Switch Workspace Maven: Change the Maven version for your current workspace.
• Auto-discovery: Automatically discovers installed JDKs and Mavens on your system.
• Terminal Integration: Configures integrated terminals to use the selected JDK and Maven versions (JAVA_HOME, M2_HOME, and PATH).
• Automatic Configuration: Updates settings for popular Java-related extensions.

Usage

1. Open the Command Palette (Ctrl+Shift+P or Cmd+Shift+P on Mac).
2. Type Java Switcher to see the available commands.
3. Select Java Switcher: Switch Workspace JDK to choose a JDK version.
4. Select Java Switcher: Switch Workspace Maven to choose a Maven version.
5. The extension will update your workspace settings.json file with the selected paths.

Configuration

This extension is designed to be zero-config. It works by dynamically updating your VS Code settings when you switch versions.

Extension-Managed Settings

When you switch versions, this extension will set the following configuration in your workspace settings.json:

• javaSwitcher.java.home: Stores the path of the selected JDK.
• javaSwitcher.maven.home: Stores the path of the selected Maven installation.

Automatically Updated Settings

Based on your selection, the extension will automatically update the following settings for other popular extensions to ensure a consistent environment:

For JDK selection:

• java.jdt.ls.java.home (for Red Hat's Java extension)
• spring-boot.ls.java.home (for VMware's Spring Boot extension)
• java.import.gradle.java.home (for Red Hat's Java extension)
• zopeneditor.JAVA_HOME (for IBM's Z Open Editor)
• plantuml.java (for Jebbs' PlantUML extension)
• rsp-ui.rsp.java.home (for Red Hat's RSP UI extension)
• salesforcedx-vscode-apex.java.home (for Salesforce's Apex extension)
• metals.javaHome (for Scalameta's Metals extension)
• java.configuration.runtimes (for Red Hat's Java extension)
• maven.terminal.customEnv (for Red Hat's Java extension)

For Maven selection:

• maven.executable.path (for Red Hat's Java extension)

You do not need to manually configure these settings. The extension handles them for you.

License

This project is licensed under the MIT License - see the LICENSE file for details.