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java.py
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76 lines (60 loc) · 2.39 KB
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# -*- mode: python; coding: utf-8 -*-
#
# Copyright (C) 2021 CONTACT Software GmbH
# https://www.contact-software.com/
#
# Licensed 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.
"""Implementation of the java plugin for csspin"""
import os
import shutil
from csspin import config, die, echo, interpolate1, mv, setenv, warn
from path import Path
defaults = config(install_dir="{spin.data}/java")
def set_environment(cfg):
"""Set the environment variables needed for java"""
java_bin_dir = cfg.java.java_home / "bin"
setenv(
JAVA_HOME=cfg.java.java_home,
PATH=os.pathsep.join((java_bin_dir, "{PATH}")),
)
def configure(cfg):
"""Configure the java plugin"""
if cfg.java.use:
warn(f"java.version will be ignored, since java.use is set to '{cfg.java.use}'")
if java_path := shutil.which(interpolate1(cfg.java.use)):
# assuming java to be $JAVA_HOME/bin/java
cfg.java.java_home = Path(java_path).realpath().dirname().dirname()
else:
die(f"Could not find java executable '{cfg.java.use}'")
elif cfg.java.version:
cfg.java.java_home = Path(interpolate1(cfg.java.install_dir)) / str(
cfg.java.version
)
else:
die(
"'csspin_java.java' does not set a default version for java. "
"Set either 'java.version' or 'java.use'."
)
def provision(cfg):
"""Install java if it does not exist"""
if cfg.java.version and not (cfg.java.use or cfg.java.java_home.exists()):
from tempfile import TemporaryDirectory
import jdk
with TemporaryDirectory() as tmp_dir:
echo(f"Downloading JDK from {jdk.get_download_url(cfg.java.version)}")
jdk_path = jdk.install(cfg.java.version, path=Path(tmp_dir))
mv(jdk_path, cfg.java.java_home)
set_environment(cfg)
def init(cfg):
"""Initialize the environment"""
set_environment(cfg)