com.jniwrapper.win32.registry

Class RegistryKey

java.lang.Object

com.jniwrapper.Parameter

com.jniwrapper.Pointer.Void

com.jniwrapper.win32.Handle

com.jniwrapper.win32.registry.RegistryKey

All Implemented Interfaces:

com.jniwrapper.IntegerParameter, com.jniwrapper.PointerParameter

public class RegistryKey
extends Handle

Class RegistryKey represents a key level node in the Windows registry. Values for a registry key are managed by an RegistryKeyValues instance obtained from the values() method.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	RegistryKey.RegistryAccessMode Provides enumeration of all registry access modes.

Field Summary

Fields

Modifier and Type	Field and Description
static RegistryKey	CLASSES_ROOT Windows registry base key HKEY_CLASSES_ROOT.
static RegistryKey	CURRENT_CONFIG Windows registry base key HKEY_CURRENT_CONFIG.
static RegistryKey	CURRENT_USER Windows registry base key HKEY_CURRENT_USER.
static RegistryKey	DYN_DATA Windows registry base key HKEY_DYN_DATA.
static RegistryKey	LOCAL_MACHINE Windows registry base key HKEY_LOCAL_MACHINE.
static RegistryKey	PERFORMANCE_DATA Windows registry base key HKEY_PERFORMANCE_DATA.
static int	REG_NOTIFY_CHANGE_ATTRIBUTES
static int	REG_NOTIFY_CHANGE_LAST_SET
static int	REG_NOTIFY_CHANGE_NAME
static int	REG_NOTIFY_CHANGE_SECURITY
static RegistryKey	USERS Windows registry base key HKEY_USERS.

Fields inherited from class com.jniwrapper.win32.Handle

INFINITE_TIMEOUT, INVALID_HANDLE_VALUE, STATUS_ABANDONED_WAIT_0, STATUS_TIMEOUT, STATUS_WAIT_0

Fields inherited from class com.jniwrapper.Parameter

LICENSE_TYPE, V

Method Summary

Modifier and Type	Method and Description
void	addRegistryEventListener(RegistryEventListener listener) Adds RegistryKey event listener.
protected void	checkError()
protected void	checkError(long errorCode)
void	close() Closes the key and flushes it to disk if the contents have been modified.
RegistryKey	copy(RegistryKey newBase, java.lang.String newName, boolean quietly) Copies opened key to another base with new name.
RegistryKey	createSubKey(java.lang.String subKey) Creates a new subkey or opens an existing one.
RegistryKey	createSubKey(java.lang.String subKey, boolean writable) Creates a new subkey or opens an existing one, with write access as specified.
RegistryKey	createSubKey(java.lang.String subKey, boolean writable, RegistryKey.RegistryAccessMode accessMode) Creates a new subkey or opens an existing one, with write access as specified.
RegistryKey	createSubKey(java.lang.String subKey, RegistryKey.RegistryAccessMode accessMode) Creates a new subkey or opens an existing one, with write access as specified.
void	deleteSubKey(java.lang.String subKey) Deletes the specified subkey is it doesn't include any subkeys.
void	deleteSubKey(java.lang.String subKey, RegistryKey.RegistryAccessMode accessMode) Deletes the specified subkey is it doesn't include any subkeys.
void	deleteSubTree(java.lang.String subKey) Deletes the specified subkey and all its subkeys.
boolean	equals(java.lang.Object obj) Determines whether two Object instances are equal.
boolean	exists(java.lang.String name) Checks if the specified subkey exists and can be opened.
boolean	exists(java.lang.String name, RegistryKey.RegistryAccessMode accessMode) Checks if the specified subkey exists and can be opened.
protected void	fireRegistryEvent(java.util.EventObject event) Notifies listeners about RegistryKey event.
void	flush() Writes all the attributes of the specified open RegistryKey into the registry.
java.lang.String	getAbsolutePath() Returns absolute path of the key.
Handle	getHandle() Deprecated. use this instead of this function
java.lang.String	getName() Retrieves the name of the key.
java.lang.String	getPath() Returns the path of the key.
RegistryKey.RegistryAccessMode	getRegistryAccessMode() Returns current registry access mode.
RegistryKey	getRootKey() Returns the Root of this registry key.
int	getSubKeyCount() Retrieves the count of subkeys at the base level for the current key.
java.util.List	getSubKeyNames() Retrieves List of strings that contains all the subkey names.
java.util.List	getSubkeys() Returns a list of RegistryKey that are subkeys of the current RegistryKey.
int	hashCode()
RegistryKey	openSubKey(java.lang.String name) Opens a subkey by the specified name (as read-only).
RegistryKey	openSubKey(java.lang.String name, boolean writable) Opens a subkey by the specified name.
RegistryKey	openSubKey(java.lang.String name, boolean writable, boolean quietly) Opens a subkey by the specified name.
RegistryKey	openSubKey(java.lang.String name, boolean writable, boolean quietly, RegistryKey.RegistryAccessMode accessMode) Opens a subkey by the specified name.
RegistryKey	openSubKey(java.lang.String name, boolean writable, RegistryKey.RegistryAccessMode accessMode) Opens a subkey by the specified name.
RegistryKey	openSubKey(java.lang.String name, RegistryKey.RegistryAccessMode accessMode) Opens a subkey by the specified name.
void	removeRegistryEventListener(RegistryEventListener listener) Removes RegistryKey event listener.
void	rename(java.lang.String newName) Renames opened registry key.
void	startChangeListening() Starts listening for changes in the RegistryKey.
void	startChangeListening(boolean watchSubtree, int filter) Starts listening for changes in the RegistryKey.
void	stopChangeListening() Stops listening for events in the RegistryKey.
java.lang.String	toString()
RegistryKeyValues	values() Returns RegistryKeyValues.

Methods inherited from class com.jniwrapper.win32.Handle

clone, closeHandle, waitFor, waitFor

Methods inherited from class com.jniwrapper.Pointer.Void

asFunction, asFunction, asTypedPointer, castTo, castTo, getDebugInfo, getLength, getValue, isNull, read, setValue, write

Methods inherited from class com.jniwrapper.Parameter

acceptIOPerformer, asReturnValue, dataBufferAssigned, getAlignedLength, getAlignmentRequirement, getDataBuffer, getDataBufferOffset, indent, pop, push, read, read, setDataBuffer, toByteArray, write

Methods inherited from class java.lang.Object

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

Field Detail

CLASSES_ROOT

public static final RegistryKey CLASSES_ROOT

Windows registry base key HKEY_CLASSES_ROOT.

CURRENT_USER

public static final RegistryKey CURRENT_USER

Windows registry base key HKEY_CURRENT_USER.

LOCAL_MACHINE

public static final RegistryKey LOCAL_MACHINE

Windows registry base key HKEY_LOCAL_MACHINE.

USERS

public static final RegistryKey USERS

Windows registry base key HKEY_USERS.

PERFORMANCE_DATA

public static final RegistryKey PERFORMANCE_DATA

Windows registry base key HKEY_PERFORMANCE_DATA.

CURRENT_CONFIG

public static final RegistryKey CURRENT_CONFIG

Windows registry base key HKEY_CURRENT_CONFIG.

DYN_DATA

public static final RegistryKey DYN_DATA

Windows registry base key HKEY_DYN_DATA.

REG_NOTIFY_CHANGE_NAME

public static final int REG_NOTIFY_CHANGE_NAME

See Also:

Constant Field Values

REG_NOTIFY_CHANGE_ATTRIBUTES

public static final int REG_NOTIFY_CHANGE_ATTRIBUTES

See Also:

Constant Field Values

REG_NOTIFY_CHANGE_LAST_SET

public static final int REG_NOTIFY_CHANGE_LAST_SET

See Also:

Constant Field Values

REG_NOTIFY_CHANGE_SECURITY

public static final int REG_NOTIFY_CHANGE_SECURITY

See Also:

Constant Field Values

Method Detail

getRegistryAccessMode

public RegistryKey.RegistryAccessMode getRegistryAccessMode()

Returns current registry access mode.

Returns:

registry access mode.

getName

public java.lang.String getName()

Retrieves the name of the key.

Returns:

The absolute (qualified) name of the key.

getPath

public java.lang.String getPath()

Returns the path of the key.

Returns:

the path of the key.

getAbsolutePath

public java.lang.String getAbsolutePath()

Returns absolute path of the key. Absolute path is a concatenation of the path and name.

Returns:

absolute path of the key. Absolute path is a concatenation of the path and name.

checkError

protected void checkError()

checkError

protected void checkError(long errorCode)

getSubKeyCount

public int getSubKeyCount()

Retrieves the count of subkeys at the base level for the current key.

Returns:

count of subkeys for the current key.

close

public void close()

Closes the key and flushes it to disk if the contents have been modified.

createSubKey

public RegistryKey createSubKey(java.lang.String subKey,
                                boolean writable)

Creates a new subkey or opens an existing one, with write access as specified.

Parameters:

subKey - the name of the subkey to create.

writable - set to true if you need write access to the key.

Returns:

the subkey.

createSubKey

public RegistryKey createSubKey(java.lang.String subKey,
                                RegistryKey.RegistryAccessMode accessMode)

Creates a new subkey or opens an existing one, with write access as specified.

Parameters:

subKey - the name of the subkey to create.

accessMode - specifies registry access mode.

Returns:

the subkey.

createSubKey

public RegistryKey createSubKey(java.lang.String subKey,
                                boolean writable,
                                RegistryKey.RegistryAccessMode accessMode)

Creates a new subkey or opens an existing one, with write access as specified.

Parameters:

subKey - the name of the subkey to create.

writable - set to true if you need write access to the key.

accessMode - specifies registry access mode.

Returns:

the subkey.

createSubKey

public RegistryKey createSubKey(java.lang.String subKey)

Creates a new subkey or opens an existing one.

Parameters:

subKey - a sub-key path string.

Returns:

the subkey instance.

deleteSubKey

public void deleteSubKey(java.lang.String subKey)

Deletes the specified subkey is it doesn't include any subkeys. If it is necessary to delete whole subtree call deleteSubTree(java.lang.String).

Parameters:

subKey - the name of the subkey to delete.

deleteSubKey

public void deleteSubKey(java.lang.String subKey,
                         RegistryKey.RegistryAccessMode accessMode)

Deletes the specified subkey is it doesn't include any subkeys. If it is necessary to delete whole subtree call deleteSubTree(java.lang.String).

Parameters:

subKey - the name of the subkey to delete.

accessMode - specifies registry access mode.

deleteSubTree

public void deleteSubTree(java.lang.String subKey)

Deletes the specified subkey and all its subkeys.

Parameters:

subKey - the name of the subkey to delete.

rename

public void rename(java.lang.String newName)

Renames opened registry key.

Parameters:

newName -

getRootKey

public RegistryKey getRootKey()

Returns the Root of this registry key.

Returns:

the Root of this registry key

equals

public boolean equals(java.lang.Object obj)

Determines whether two Object instances are equal.

Overrides:

equals in class Handle

Parameters:

obj - The Object to compare with the current Object.

Returns:

true if the specified Object is equal to the current Object; otherwise, false.

hashCode

public int hashCode()

Overrides:

hashCode in class com.jniwrapper.Pointer.Void

flush

public void flush()

Writes all the attributes of the specified open RegistryKey into the registry.

getSubKeyNames

public java.util.List getSubKeyNames()

Retrieves List of strings that contains all the subkey names.

Returns:

a list containing the names of the subkeys for the current key.

toString

public java.lang.String toString()

Overrides:

toString in class com.jniwrapper.Pointer.Void

Returns:

a string representing the key.

openSubKey

public RegistryKey openSubKey(java.lang.String name)

Opens a subkey by the specified name (as read-only).

Parameters:

name - the name of the subkey to open.

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened.

openSubKey

public RegistryKey openSubKey(java.lang.String name,
                              boolean writable)

Opens a subkey by the specified name.

Parameters:

name - the name of the subkey to open.

writable - set to true if you need write access to the key.

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened.

openSubKey

public RegistryKey openSubKey(java.lang.String name,
                              boolean writable,
                              boolean quietly)

Opens a subkey by the specified name.

Parameters:

name - the name of the subkey to open.

writable - set to true if you need write access to the key.

quietly - if true, instructs the function not to throw RegistryException if there is an error during opening the key; if false, the exception is thrown.

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened and parameter is false.

openSubKey

public RegistryKey openSubKey(java.lang.String name,
                              boolean writable,
                              boolean quietly,
                              RegistryKey.RegistryAccessMode accessMode)

Opens a subkey by the specified name.

Parameters:

name - the name of the subkey to open.

writable - set to true if you need write access to the key.

quietly - if true, instructs the function not to throw RegistryException if there is an error during opening the key; if false, the exception is thrown.

accessMode - specifies registry access mode

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened and parameter is false.

openSubKey

public RegistryKey openSubKey(java.lang.String name,
                              boolean writable,
                              RegistryKey.RegistryAccessMode accessMode)

Opens a subkey by the specified name.

Parameters:

name - the name of the subkey to open.

writable - set to true if you need write access to the key.

accessMode - specifies registry access mode

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened and parameter is false.

openSubKey

public RegistryKey openSubKey(java.lang.String name,
                              RegistryKey.RegistryAccessMode accessMode)

Opens a subkey by the specified name.

Parameters:

name - the name of the subkey to open.

accessMode - specifies registry access mode

Returns:

subkey requested.

Throws:

RegistryException - if a sub key cannot be opened and parameter is false.

exists

public boolean exists(java.lang.String name)

Checks if the specified subkey exists and can be opened.

Parameters:

name - the name of the subkey to check.

Returns:

true if subkey exists; false if otherwise.

exists

public boolean exists(java.lang.String name,
                      RegistryKey.RegistryAccessMode accessMode)

Checks if the specified subkey exists and can be opened.

Parameters:

name - the name of the subkey to check.

accessMode - specifies registry access mode

Returns:

true if subkey exists; false if otherwise.

copy

public RegistryKey copy(RegistryKey newBase,
                        java.lang.String newName,
                        boolean quietly)

Copies opened key to another base with new name.

Parameters:

newBase - is a target registry base or null to leave key in the current base.

newName - is a target key name.

quietly - if true, instructs the function not to throw RegistryException if there the specified key already exists; if false, the exception is thrown.

Returns:

handle to the copy of registry key.

getSubkeys

public java.util.List getSubkeys()

Returns a list of RegistryKey that are subkeys of the current RegistryKey.

Returns:

a list of RegistryKey that are subkeys of the current RegistryKey.

values

public RegistryKeyValues values()

Returns RegistryKeyValues.

Returns:

values map.

getHandle

public Handle getHandle()

Deprecated. use this instead of this function

Returns handle of the RegistryKey.

Returns:

handle of the RegistryKey.

addRegistryEventListener

public void addRegistryEventListener(RegistryEventListener listener)

Adds RegistryKey event listener.

Parameters:

listener -

removeRegistryEventListener

public void removeRegistryEventListener(RegistryEventListener listener)

Removes RegistryKey event listener.

Parameters:

listener -

fireRegistryEvent

protected void fireRegistryEvent(java.util.EventObject event)

Notifies listeners about RegistryKey event.

Parameters:

event -

startChangeListening

public void startChangeListening(boolean watchSubtree,
                                 int filter)

Starts listening for changes in the RegistryKey.

Parameters:

watchSubtree -

filter -

startChangeListening

public void startChangeListening()

Starts listening for changes in the RegistryKey. It watches subtree and listens for all the changes.

stopChangeListening

public void stopChangeListening()

Stops listening for events in the RegistryKey.