update code to use java 21 #6

	name: Format PR Code

	on:
	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	- ready_for_review

	permissions:
	contents: write

	jobs:
	format:
	if: github.event.pull_request.head.repo.full_name == github.repository
	runs-on: ubuntu-latest

	steps:
	- name: Checkout PR branch
	uses: actions/checkout@v4
	with:
	ref: ${{ github.event.pull_request.head.ref }}
	fetch-depth: 0

	- name: Set up Java 21
	uses: actions/setup-java@v4
	with:
	distribution: temurin
	java-version: "21"
	cache: gradle

	- name: Expose Java 21 to Gradle toolchains
	run: \|
	echo "JAVA_HOME=$JAVA_HOME" >> "$GITHUB_ENV"
	echo "ORG_GRADLE_JAVA_INSTALLATIONS_PATHS=$JAVA_HOME" >> "$GITHUB_ENV"
	java -version
	javac -version

	- name: Set up Gradle
	uses: gradle/actions/setup-gradle@v4

	- name: Format Java sources
	run: ./gradlew formatJava

	- name: Commit formatted changes
	run: \|
	if git diff --quiet; then
	echo "No formatting changes detected"
	exit 0
	fi
	git config user.name "github-actions[bot]"
	git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
	git add -A
	git commit -m "Apply Palantir Java Format"
	git push

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