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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.zip

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.apache.tools.zip .AsiExtraField

AsiExtraField

public class AsiExtraField implements ZipExtraField,UnixStat,Cloneable(Code)

Adds Unix file permission and UID/GID fields as well as symbolic link handling.

This class uses the ASi extra field in the format:

 Value         Size            Description
 -----         ----            -----------
 (Unix3) 0x756e        Short           tag for this extra block type
 TSize         Short           total data size for this block
 CRC           Long            CRC-32 of the remaining data
 Mode          Short           file permissions
 SizDev        Long            symlink'd size OR major/minor dev num
 UID           Short           user ID
 GID           Short           group ID
 (var.)        variable        symbolic link filename

taken from appnote.iz (Info-ZIP note, 981119) found at ftp://ftp.uu.net/pub/archiving/zip/doc/

Short is two bytes and Long is four bytes in big endian byte and word order, device numbers are currently not supported.

Constructor Summary
public	AsiExtraField() Constructor for AsiExtraField.

Method Summary
public byte[]	getCentralDirectoryData() Delegate to local file data.
public ZipShort	getCentralDirectoryLength() Delegate to local file data.
public int	getGroupId() Get the group id.
public ZipShort	getHeaderId() The Header-ID.
public String	getLinkedFile()
public byte[]	getLocalFileDataData() The actual data to put into local file data - without Header-ID or length specifier.
public ZipShort	getLocalFileDataLength() Length of the extra field in the local file data - without Header-ID or length specifier.
public int	getMode() File mode of this file.
protected int	getMode(int mode) Get the file mode for given permissions with the correct file type.
public int	getUserId() Get the user id.
public boolean	isDirectory()
public boolean	isLink()
public void	parseFromLocalFileData(byte[] data, int offset, int length) Populate data from this array as if it was in local file data.
public void	setDirectory(boolean dirFlag) Indicate whether this entry is a directory.
public void	setGroupId(int gid) Set the group id.
public void	setLinkedFile(String name) Indicate that this entry is a symbolic link to the given filename.
public void	setMode(int mode) File mode of this file.
public void	setUserId(int uid) Set the user id.

Constructor Detail

AsiExtraField
public AsiExtraField()(Code)
	Constructor for AsiExtraField.

Method Detail

getCentralDirectoryData
public byte[] getCentralDirectoryData()(Code)
	Delegate to local file data. the local file data since: 1.1

getCentralDirectoryLength
public ZipShort getCentralDirectoryLength()(Code)
	Delegate to local file data. the centralDirectory length since: 1.1

getGroupId
public int getGroupId()(Code)
	Get the group id. the group id since: 1.1

getHeaderId
public ZipShort getHeaderId()(Code)
	The Header-ID. the value for the header id for this extrafield since: 1.1

getLinkedFile
public String getLinkedFile()(Code)
	Name of linked file name of the file this entry links to if it is asymbolic link, the empty string otherwise. since: 1.1

getLocalFileDataData
public byte[] getLocalFileDataData()(Code)
	The actual data to put into local file data - without Header-ID or length specifier. get the data since: 1.1

getLocalFileDataLength
public ZipShort getLocalFileDataLength()(Code)
	Length of the extra field in the local file data - without Header-ID or length specifier. a `ZipShort` for the length of the data of this extra field since: 1.1

getMode
public int getMode()(Code)
	File mode of this file. the file mode since: 1.1

getMode
protected int getMode(int mode)(Code)
	Get the file mode for given permissions with the correct file type. Parameters: mode - the mode the type with the mode since: 1.1

getUserId
public int getUserId()(Code)
	Get the user id. the user id since: 1.1

isDirectory
public boolean isDirectory()(Code)
	Is this entry a directory? true if this entry is a directory since: 1.1

isLink
public boolean isLink()(Code)
	Is this entry a symbolic link? true if this is a symbolic link since: 1.1

parseFromLocalFileData
public void parseFromLocalFileData(byte[] data, int offset, int length) throws ZipException(Code)
	Populate data from this array as if it was in local file data. Parameters: data - an array of bytes Parameters: offset - the start offset Parameters: length - the number of bytes in the array from offset since: 1.1 throws: ZipException - on error

setDirectory
public void setDirectory(boolean dirFlag)(Code)
	Indicate whether this entry is a directory. Parameters: dirFlag - if true, this entry is a directory since: 1.1

setGroupId
public void setGroupId(int gid)(Code)
	Set the group id. Parameters: gid - the group id since: 1.1

setLinkedFile
public void setLinkedFile(String name)(Code)
	Indicate that this entry is a symbolic link to the given filename. Parameters: name - Name of the file this entry links to, empty Stringif it is not a symbolic link. since: 1.1

setMode
public void setMode(int mode)(Code)
	File mode of this file. Parameters: mode - the file mode since: 1.1

setUserId
public void setUserId(int uid)(Code)
	Set the user id. Parameters: uid - the user id since: 1.1

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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