oshi.hardware.platform.mac.MacSoundCard Maven / Gradle / Ivy
/**
* MIT License
*
* Copyright (c) 2010 - 2020 The OSHI Project Contributors: https://github.com/oshi/oshi/graphs/contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package oshi.hardware.platform.mac;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import oshi.annotation.concurrent.Immutable;
import oshi.hardware.SoundCard;
import oshi.hardware.common.AbstractSoundCard;
import oshi.util.FileUtil;
import oshi.util.ParseUtil;
/**
* Sound card data obtained via AppleHDA kext
*/
@Immutable
final class MacSoundCard extends AbstractSoundCard {
private static final String APPLE = "Apple Inc.";
/**
* Constructor for MacSoundCard.
*
* @param kernelVersion
* The version
* @param name
* The name
* @param codec
* The codec
*/
MacSoundCard(String kernelVersion, String name, String codec) {
super(kernelVersion, name, codec);
}
/**
* public method used by
* {@link oshi.hardware.common.AbstractHardwareAbstractionLayer} to access the
* sound cards.
*
* @return List of {@link oshi.hardware.platform.mac.MacSoundCard} objects.
*/
public static List getSoundCards() {
List soundCards = new ArrayList<>();
// /System/Library/Extensions/AppleHDA.kext/Contents/Info.plist
// ..... snip ....
//
// com.apple.driver.AppleHDAController
// 1.7.2a1
String manufacturer = APPLE;
String kernelVersion = "AppleHDAController";
String codec = "AppleHDACodec";
boolean version = false;
String versionMarker = "com.apple.driver.AppleHDAController ";
for (final String checkLine : FileUtil
.readFile("/System/Library/Extensions/AppleHDA.kext/Contents/Info.plist")) {
if (checkLine.contains(versionMarker)) {
version = true;
continue;
}
if (version) {
kernelVersion = "AppleHDAController "
+ ParseUtil.getTextBetweenStrings(checkLine, "", " ");
version = false;
}
}
soundCards.add(new MacSoundCard(kernelVersion, manufacturer, codec));
return Collections.unmodifiableList(soundCards);
}
}