build javadoc in CI, create a zip of it, and upload the zip to github. #645

	# Mostly copied from https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-ant
	# zlatinb

	name: Java CI

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: GetText
	run: sudo apt install gettext
	- uses: actions/checkout@v4
	- name: Set up JDK 8
	uses: actions/setup-java@v4
	with:
	java-version: '8'
	distribution: 'temurin'
	- name : Generate override.properties
	run: \|
	rm -f override.properties
	echo "build.built-by=GitHub Actions" >> override.properties
	echo "noExe=true" >> override.properties
	- name: build with Ant
	run: ant distclean pkg
	- name: Upload installer.jar
	uses: actions/upload-artifact@v4
	with:
	name: I2P-install.jar-${{ github.sha }}
	path: install.jar

	javadoc-latest:
	runs-on: ubuntu-latest

	steps:
	- name: GetText
	run: sudo apt install gettext
	- uses: actions/checkout@v4
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	java-version: '21'
	distribution: 'temurin'
	- name : Generate override.properties
	run: \|
	rm -f override.properties
	echo "build.built-by=GitHub Actions" >> override.properties
	echo "noExe=true" >> override.properties
	- name: build with Ant
	run: ant distclean javadoc
	- name: zip javadoc
	run: zip -r javadoc.zip build/javadoc
	- name: Upload javadoc.zip
	uses: actions/upload-artifact@v4
	with:
	name: I2P-javadoc-${{ github.sha }}.zip
	path: javadoc.zip

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