oshi.driver.windows.wmi.Win32LogicalDisk Maven / Gradle / Ivy
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/*
* Copyright 2020-2022 The OSHI Project Contributors
* SPDX-License-Identifier: MIT
*/
package oshi.driver.windows.wmi;
import java.util.Objects;
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiQuery;
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiResult;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.platform.windows.WmiQueryHandler;
/**
* Utility to query WMI class {@code Win32_LogicalDisk}
*/
@ThreadSafe
public final class Win32LogicalDisk {
private static final String WIN32_LOGICAL_DISK = "Win32_LogicalDisk";
/**
* Logical disk properties.
*/
public enum LogicalDiskProperty {
ACCESS, DESCRIPTION, DRIVETYPE, FILESYSTEM, FREESPACE, NAME, PROVIDERNAME, SIZE, VOLUMENAME;
}
private Win32LogicalDisk() {
}
/**
* Queries logical disk information
*
* @param nameToMatch an optional string to filter match, null otherwise
* @param localOnly Whether to only search local drives
* @return Logical Disk Information
*/
public static WmiResult queryLogicalDisk(String nameToMatch, boolean localOnly) {
StringBuilder wmiClassName = new StringBuilder(WIN32_LOGICAL_DISK);
boolean where = false;
if (localOnly) {
wmiClassName.append(" WHERE DriveType != 4");
where = true;
}
if (nameToMatch != null) {
wmiClassName.append(where ? " AND" : " WHERE").append(" Name=\"").append(nameToMatch).append('\"');
}
WmiQuery logicalDiskQuery = new WmiQuery<>(wmiClassName.toString(),
LogicalDiskProperty.class);
return Objects.requireNonNull(WmiQueryHandler.createInstance()).queryWMI(logicalDiskQuery);
}
}