com.sun.grid.installer.util

Class ExtendedFile

java.lang.Object

java.io.File

com.sun.grid.installer.util.ExtendedFile

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<java.io.File>

public class ExtendedFile
extends java.io.File

Extends the File class to provide attributes as owner, permission and group.

See Also:

FileHandler#getFileProps(), Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	PERM_GROUP_EXECUTE
static java.lang.String	PERM_GROUP_READ
static java.lang.String	PERM_GROUP_WRITE
static java.lang.String	PERM_USER_EXECUTE
static java.lang.String	PERM_USER_READ
static java.lang.String	PERM_USER_WRITE
static java.lang.String	PERM_WORLD_EXECUTE
static java.lang.String	PERM_WORLD_READ
static java.lang.String	PERM_WORLD_WRITE

Fields inherited from class java.io.File

pathSeparator, pathSeparatorChar, separator, separatorChar

Constructor Summary

Constructors

Constructor and Description
ExtendedFile(java.lang.String pathName) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
ExtendedFile	getFirstExistingParent() Returns with the first existing parent of this file/directory
java.lang.String	getGroup() Returns the group id of this file.
java.lang.String	getOwner() Returns the owner of this file.
java.lang.String	getPermissions() Returns the permission string of this file.
boolean	hasExecutePermission(java.lang.String user, java.lang.String group) Checks whether the given user has permission to execute the given file.
boolean	hasReadPermission(java.lang.String user, java.lang.String group) Checks whether the given user has permission to read the given file.
boolean	hasWritePermission(java.lang.String user, java.lang.String group) Checks whether the given user has permission to write the given file.
void	setExtendedProps() Sets the owner, permission, group properties if this file/directory.
java.lang.String	toString()

Methods inherited from class java.io.File

canExecute, canRead, canWrite, compareTo, createNewFile, createTempFile, createTempFile, delete, deleteOnExit, equals, exists, getAbsoluteFile, getAbsolutePath, getCanonicalFile, getCanonicalPath, getFreeSpace, getName, getParent, getParentFile, getPath, getTotalSpace, getUsableSpace, hashCode, isAbsolute, isDirectory, isFile, isHidden, lastModified, length, list, list, listFiles, listFiles, listFiles, listRoots, mkdir, mkdirs, renameTo, setExecutable, setExecutable, setLastModified, setReadable, setReadable, setReadOnly, setWritable, setWritable, toURI, toURL

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PERM_USER_READ

public static final java.lang.String PERM_USER_READ

See Also:

Constant Field Values

PERM_USER_WRITE

public static final java.lang.String PERM_USER_WRITE

See Also:

Constant Field Values

PERM_USER_EXECUTE

public static final java.lang.String PERM_USER_EXECUTE

See Also:

Constant Field Values

PERM_GROUP_READ

public static final java.lang.String PERM_GROUP_READ

See Also:

Constant Field Values

PERM_GROUP_WRITE

public static final java.lang.String PERM_GROUP_WRITE

See Also:

Constant Field Values

PERM_GROUP_EXECUTE

public static final java.lang.String PERM_GROUP_EXECUTE

See Also:

Constant Field Values

PERM_WORLD_READ

public static final java.lang.String PERM_WORLD_READ

See Also:

Constant Field Values

PERM_WORLD_WRITE

public static final java.lang.String PERM_WORLD_WRITE

See Also:

Constant Field Values

PERM_WORLD_EXECUTE

public static final java.lang.String PERM_WORLD_EXECUTE

See Also:

Constant Field Values

Constructor Detail

ExtendedFile

public ExtendedFile(java.lang.String pathName)

Constructor

Parameters:

pathName - The file path.

Method Detail

setExtendedProps

public void setExtendedProps()

Sets the owner, permission, group properties if this file/directory.

getGroup

public java.lang.String getGroup()

Returns the group id of this file.

Returns:

The group id.

getOwner

public java.lang.String getOwner()

Returns the owner of this file.

Returns:

The owner.

getPermissions

public java.lang.String getPermissions()

Returns the permission string of this file.

Returns:

The permissions.

toString

public java.lang.String toString()

Overrides:

toString in class java.io.File

getFirstExistingParent

public ExtendedFile getFirstExistingParent()

Returns with the first existing parent of this file/directory

Returns:

this if it exists, otherwise the first existing parent directory.

hasReadPermission

public boolean hasReadPermission(java.lang.String user,
                        java.lang.String group)

Checks whether the given user has permission to read the given file.

Parameters:

user - The user to check

group - The group the user belongs to

Returns:

true if the file exists and user has permission to read the file.

hasWritePermission

public boolean hasWritePermission(java.lang.String user,
                         java.lang.String group)

Checks whether the given user has permission to write the given file.

Parameters:

user - The user to check

group - The group the user belongs to

Returns:

true if the file exists and user has permission to write the file.

hasExecutePermission

public boolean hasExecutePermission(java.lang.String user,
                           java.lang.String group)

Checks whether the given user has permission to execute the given file.

Parameters:

user - The user to check

group - The group the user belongs to

Returns:

true if the file exists and user has permission to execute the file.