/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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.
*/
package org.elasticsearch.plugins;
import org.apache.lucene.util.Constants;
import java.nio.file.Path;
import java.util.Locale;
/**
* Encapsulates platform-dependent methods for handling native components of plugins.
*/
public class Platforms {
private static final String PROGRAM_NAME = Constants.WINDOWS ? "controller.exe" : "controller";
public static final String PLATFORM_NAME = Platforms.platformName(Constants.OS_NAME, Constants.OS_ARCH);
private Platforms() {}
/**
* The path to the native controller for a plugin with native components.
*/
public static Path nativeControllerPath(Path plugin) {
return plugin
.resolve("platform")
.resolve(PLATFORM_NAME)
.resolve("bin")
.resolve(PROGRAM_NAME);
}
/**
* Return the platform name based on the OS name and
* - darwin-x86_64
* - linux-x86-64
* - windows-x86_64
* For *nix platforms this is more-or-less `uname -s`-`uname -m` converted to lower case.
* However, for consistency between different operating systems on the same architecture
* "amd64" is replaced with "x86_64" and "i386" with "x86".
* For Windows it's "windows-" followed by either "x86" or "x86_64".
*/
public static String platformName(final String osName, final String osArch) {
final String lowerCaseOs = osName.toLowerCase(Locale.ROOT);
final String normalizedOs;
if (lowerCaseOs.startsWith("windows")) {
normalizedOs = "windows";
} else if (lowerCaseOs.equals("mac os x")) {
normalizedOs = "darwin";
} else {
normalizedOs = lowerCaseOs;
}
final String lowerCaseArch = osArch.toLowerCase(Locale.ROOT);
final String normalizedArch;
if (lowerCaseArch.equals("amd64")) {
normalizedArch = "x86_64";
} else if (lowerCaseArch.equals("i386")) {
normalizedArch = "x86";
} else {
normalizedArch = lowerCaseArch;
}
return normalizedOs + "-" + normalizedArch;
}
}