Package org.apache.commons.io
Class FileSystemUtils
java.lang.Object
org.apache.commons.io.FileSystemUtils
Deprecated.
General File System utilities.
 
 This class provides static utility methods for general file system functions not provided before Java 6's File class.
 
The current functions provided are:
- Get the free space on a drive
- Since:
- 1.1
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionstatic longDeprecated.Use freeSpaceKb(String) Deprecated from 1.3, may be removed in 2.0static longDeprecated.As of 2.6 deprecated without replacement.static longfreeSpaceKb(long timeout) Deprecated.As of 2.6 deprecated without replacement.static longfreeSpaceKb(String path) Deprecated.As of 2.6 deprecated without replacement.static longfreeSpaceKb(String path, long timeout) Deprecated.As of 2.6 deprecated without replacement.
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Constructor Details- 
FileSystemUtilsDeprecated.TODO Make private in 3.0.Instances should NOT be constructed in standard programming.
 
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Method Details- 
freeSpaceDeprecated.Use freeSpaceKb(String) Deprecated from 1.3, may be removed in 2.0Gets the number of kibibytes (1024 bytes) available to this Java virtual machine on the given file store.Note that some OS's are NOT currently supported, including OS/390, OpenVMS. FileSystemUtils.freeSpace("C:"); // Windows FileSystemUtils.freeSpace("/volume"); // *nix- Parameters:
- path- the path to get free space for, not null, not empty on Unix
- Returns:
- the amount of free drive space on the drive or volume
- Throws:
- IOException- if an I/O error occurs.
- IllegalArgumentException- if the path is invalid.
- Since:
- 1.1, enhanced OS support in 1.2 and 1.3
 
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freeSpaceKbDeprecated.As of 2.6 deprecated without replacement. Please useFileStore.getUsableSpace().Gets the number of kibibytes (1024 bytes) available to this Java virtual machine on the current file store.Identical to: freeSpaceKb(FileUtils.current().getAbsolutePath()) - Returns:
- the amount of free drive space on the drive or volume in kilobytes
- Throws:
- IOException- if an I/O error occurs.
- IllegalArgumentException- if the path is invalid.
- Since:
- 2.0
 
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freeSpaceKbDeprecated.As of 2.6 deprecated without replacement. Please useFileStore.getUsableSpace().Gets the number of kibibytes (1024 bytes) available to this Java virtual machine on the current file store.Identical to: freeSpaceKb(FileUtils.current().getAbsolutePath()) - Parameters:
- timeout- ignored.
- Returns:
- the amount of free drive space on the drive or volume in kilobytes
- Throws:
- IOException- if an I/O error occurs.
- IllegalArgumentException- if the path is invalid.
- Since:
- 2.0
 
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freeSpaceKbDeprecated.As of 2.6 deprecated without replacement. Please useFileStore.getUsableSpace().Gets the number of kibibytes (1024 bytes) available to this Java virtual machine on the given file store.FileSystemUtils.freeSpaceKb("C:"); // Windows FileSystemUtils.freeSpaceKb("/volume"); // *nix- Parameters:
- path- the path to get free space for, not null, not empty on Unix
- Returns:
- the amount of free drive space on the drive or volume in kilobytes
- Throws:
- IOException- if an I/O error occurs.
- IllegalArgumentException- if the path is invalid.
- Since:
- 1.2, enhanced OS support in 1.3
 
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freeSpaceKbDeprecated.As of 2.6 deprecated without replacement. Please useFileStore.getUsableSpace().Gets the number of kibibytes (1024 bytes) available to this Java virtual machine on the given file store.FileSystemUtils.freeSpaceKb("C:"); // Windows FileSystemUtils.freeSpaceKb("/volume"); // *nix- Parameters:
- path- the path to get free space for, not null, not empty on Unix
- timeout- ignored.
- Returns:
- the amount of free drive space on the drive or volume in kilobytes
- Throws:
- IOException- if an I/O error occurs.
- IllegalArgumentException- if the path is invalid.
- Since:
- 2.0
 
 
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FileStoreinstead,Files.getFileStore(Paths.get("/home")).getUsableSpace()or iterate overFileSystems.getDefault().getFileStores()