oshi.hardware.platform.mac.MacSoundCard Maven / Gradle / Ivy
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/*
* Copyright 2018-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.hardware.platform.mac;
import java.util.ArrayList;
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 soundCards;
}
}