Class X000A_NTFS
java.lang.Object
org.apache.commons.compress.archivers.zip.X000A_NTFS
- All Implemented Interfaces:
ZipExtraField
NTFS extra field that was thought to store various attributes but
in reality only stores timestamps.
4.5.5 -NTFS Extra Field (0x000a): The following is the layout of the NTFS attributes "extra" block. (Note: At this time the Mtime, Atime and Ctime values MAY be used on any WIN32 system.) Note: all fields stored in Intel low-byte/high-byte order. Value Size Description ----- ---- ----------- (NTFS) 0x000a 2 bytes Tag for this "extra" block type TSize 2 bytes Size of the total "extra" block Reserved 4 bytes Reserved for future use Tag1 2 bytes NTFS attribute tag value #1 Size1 2 bytes Size of attribute #1, in bytes (var) Size1 Attribute #1 data . . . TagN 2 bytes NTFS attribute tag value #N SizeN 2 bytes Size of attribute #N, in bytes (var) SizeN Attribute #N data For NTFS, values for Tag1 through TagN are as follows: (currently only one set of attributes is defined for NTFS) Tag Size Description ----- ---- ----------- 0x0001 2 bytes Tag for attribute #1 Size1 2 bytes Size of attribute #1, in bytes Mtime 8 bytes File last modification time Atime 8 bytes File last access time Ctime 8 bytes File creation time
- Since:
- 1.11
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Field Summary
Fields inherited from interface org.apache.commons.compress.archivers.zip.ZipExtraField
EXTRAFIELD_HEADER_SIZE
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionboolean
Returns the access time as a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.Returns the "File last access time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.byte[]
The actual data to put into central directory data - without Header-ID or length specifier.Length of the extra field in the local file data - without Header-ID or length specifier.Returns the create time as a a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.Returns the "File creation time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.The Header-ID.byte[]
The actual data to put into local file data - without Header-ID or length specifier.Length of the extra field in the local file data - without Header-ID or length specifier.Returns the modify time as a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.Returns the "File last modification time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.int
hashCode()
void
parseFromCentralDirectoryData
(byte[] buffer, int offset, int length) Doesn't do anything special since this class always uses the same parsing logic for both central directory and local file data.void
parseFromLocalFileData
(byte[] data, int offset, int length) Populate data from this array as if it was in local file data.void
Sets the access time as a java.util.Date of this zip entry.void
Sets the File last access time of this zip entry using a ZipEightByteInteger object.void
Sets the create time as a java.util.Date of this zip entry.void
Sets the File creation time of this zip entry using a ZipEightByteInteger object.void
Sets the modify time as a java.util.Date of this zip entry.void
Sets the File last modification time of this zip entry using a ZipEightByteInteger object.toString()
Returns a String representation of this class useful for debugging purposes.
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Constructor Details
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X000A_NTFS
public X000A_NTFS()
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Method Details
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getHeaderId
The Header-ID.- Specified by:
getHeaderId
in interfaceZipExtraField
- Returns:
- the value for the header id for this extrafield
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getLocalFileDataLength
Length of the extra field in the local file data - without Header-ID or length specifier.- Specified by:
getLocalFileDataLength
in interfaceZipExtraField
- Returns:
- a
ZipShort
for the length of the data of this extra field
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getCentralDirectoryLength
Length of the extra field in the local file data - without Header-ID or length specifier.For X5455 the central length is often smaller than the local length, because central cannot contain access or create timestamps.
- Specified by:
getCentralDirectoryLength
in interfaceZipExtraField
- Returns:
- a
ZipShort
for the length of the data of this extra field
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getLocalFileDataData
The actual data to put into local file data - without Header-ID or length specifier.- Specified by:
getLocalFileDataData
in interfaceZipExtraField
- Returns:
- get the data
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getCentralDirectoryData
The actual data to put into central directory data - without Header-ID or length specifier.- Specified by:
getCentralDirectoryData
in interfaceZipExtraField
- Returns:
- the central directory data
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parseFromLocalFileData
Populate data from this array as if it was in local file data.- Specified by:
parseFromLocalFileData
in interfaceZipExtraField
- Parameters:
data
- an array of bytesoffset
- the start offsetlength
- the number of bytes in the array from offset- Throws:
ZipException
- on error
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parseFromCentralDirectoryData
public void parseFromCentralDirectoryData(byte[] buffer, int offset, int length) throws ZipException Doesn't do anything special since this class always uses the same parsing logic for both central directory and local file data.- Specified by:
parseFromCentralDirectoryData
in interfaceZipExtraField
- Parameters:
buffer
- the buffer to read data fromoffset
- offset into buffer to read datalength
- the length of data- Throws:
ZipException
- on error
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getModifyTime
Returns the "File last modification time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.- Returns:
- File last modification time
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getAccessTime
Returns the "File last access time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.- Returns:
- File last access time
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getCreateTime
Returns the "File creation time" of this zip entry as a ZipEightByteInteger object, orZipEightByteInteger.ZERO
if no such timestamp exists in the zip entry.- Returns:
- File creation time
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getModifyJavaTime
Returns the modify time as a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.- Returns:
- modify time as java.util.Date or null.
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getAccessJavaTime
Returns the access time as a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.- Returns:
- access time as java.util.Date or null.
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getCreateJavaTime
Returns the create time as a a java.util.Date of this zip entry, or null if no such timestamp exists in the zip entry.- Returns:
- create time as java.util.Date or null.
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setModifyTime
Sets the File last modification time of this zip entry using a ZipEightByteInteger object.- Parameters:
t
- ZipEightByteInteger of the modify time
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setAccessTime
Sets the File last access time of this zip entry using a ZipEightByteInteger object.- Parameters:
t
- ZipEightByteInteger of the access time
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setCreateTime
Sets the File creation time of this zip entry using a ZipEightByteInteger object.- Parameters:
t
- ZipEightByteInteger of the create time
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setModifyJavaTime
Sets the modify time as a java.util.Date of this zip entry.- Parameters:
d
- modify time as java.util.Date
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setAccessJavaTime
Sets the access time as a java.util.Date of this zip entry.- Parameters:
d
- access time as java.util.Date
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setCreateJavaTime
Sets the create time as a java.util.Date of this zip entry. Supplied value is truncated to per-second precision (milliseconds zeroed-out).
Note: the setters for flags and timestamps are decoupled. Even if the timestamp is not-null, it will only be written out if the corresponding bit in the flags is also set.
- Parameters:
d
- create time as java.util.Date
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toString
Returns a String representation of this class useful for debugging purposes. -
equals
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hashCode
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