Registry (Apache Tomcat 9.0.118 API Documentation)
Description: declaration: package: org.apache.tomcat.jni, class: Registry

# Class Registry

java.lang.Object
org.apache.tomcat.jni.Registry

@Deprecated public class Registry extends Object
Deprecated.
The scope of the APR/Native Library will be reduced in Tomcat 9.1.x / Tomcat Native 2.x and has been reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to provide OpenSSL integration with the NIO and NIO2 connectors.
Windows Registry support.

- ## Field Summary

  Fields
  Modifier and Type
  Field
  Description
  `static final int`
  `HKEY_CLASSES_ROOT`
  Deprecated.
  `static final int`
  `HKEY_CURRENT_CONFIG`
  Deprecated.
  `static final int`
  `HKEY_CURRENT_USER`
  Deprecated.
  `static final int`
  `HKEY_LOCAL_MACHINE`
  Deprecated.
  `static final int`
  `HKEY_USERS`
  Deprecated.
  `static final int`
  `KEY_ALL_ACCESS`
  Deprecated.
  `static final int`
  `KEY_CREATE_LINK`
  Deprecated.
  `static final int`
  `KEY_CREATE_SUB_KEY`
  Deprecated.
  `static final int`
  `KEY_ENUMERATE_SUB_KEYS`
  Deprecated.
  `static final int`
  `KEY_EXECUTE`
  Deprecated.
  `static final int`
  `KEY_NOTIFY`
  Deprecated.
  `static final int`
  `KEY_QUERY_VALUE`
  Deprecated.
  `static final int`
  `KEY_READ`
  Deprecated.
  `static final int`
  `KEY_SET_VALUE`
  Deprecated.
  `static final int`
  `KEY_WOW64_32KEY`
  Deprecated.
  `static final int`
  `KEY_WOW64_64KEY`
  Deprecated.
  `static final int`
  `KEY_WRITE`
  Deprecated.
  `static final int`
  `REG_BINARY`
  Deprecated.
  `static final int`
  `REG_DWORD`
  Deprecated.
  `static final int`
  `REG_EXPAND_SZ`
  Deprecated.
  `static final int`
  `REG_MULTI_SZ`
  Deprecated.
  `static final int`
  `REG_QWORD`
  Deprecated.
  `static final int`
  `REG_SZ`
  Deprecated.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `Registry()`
  Deprecated.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static int`
  `close(long key)`
  Deprecated.
  Close the specified Registry key.
  `static long`
  `create(int root, String name, int sam, long pool)`
  Deprecated.
  Create or open a Registry Key.
  `static int`
  `deleteKey(int root, String name, boolean onlyIfEmpty)`
  Deprecated.
  Delete the Registry subkey
  `static int`
  `deleteValue(long key, String name)`
  Deprecated.
  Delete the Registry value
  `static String[]`
  `enumKeys(long key)`
  Deprecated.
  Enumerate the Registry subkeys
  `static String[]`
  `enumValues(long key)`
  Deprecated.
  Enumerate the Registry values
  `static int`
  `getSize(long key, String name)`
  Deprecated.
  Get the Registry key length.
  `static int`
  `getType(long key, String name)`
  Deprecated.
  Get the Registry key type.
  `static String[]`
  `getValueA(long key, String name)`
  Deprecated.
  Get the Registry value for REG_MULTI_SZ
  `static byte[]`
  `getValueB(long key, String name)`
  Deprecated.
  Get the Registry value for REG_BINARY
  `static int`
  `getValueI(long key, String name)`
  Deprecated.
  Get the Registry value for REG_DWORD
  `static long`
  `getValueJ(long key, String name)`
  Deprecated.
  Get the Registry value for REG_QWORD or REG_DWORD
  `static String`
  `getValueS(long key, String name)`
  Deprecated.
  Get the Registry value for REG_SZ or REG_EXPAND_SZ
  `static long`
  `open(int root, String name, int sam, long pool)`
  Deprecated.
  Opens the specified Registry Key.
  `static int`
  `setValueA(long key, String name, String[] val)`
  Deprecated.
  Set the Registry value for REG_MULTI_SZ
  `static int`
  `setValueB(long key, String name, byte[] val)`
  Deprecated.
  Set the Registry value for REG_BINARY
  `static int`
  `setValueE(long key, String name, String val)`
  Deprecated.
  Set the Registry value for REG_EXPAND_SZ
  `static int`
  `setValueI(long key, String name, int val)`
  Deprecated.
  Set the Registry value for REG_DWORD
  `static int`
  `setValueJ(long key, String name, long val)`
  Deprecated.
  Set the Registry value for REG_QWORD
  `static int`
  `setValueS(long key, String name, String val)`
  Deprecated.
  Set the Registry value for REG_SZ

  ### Methods inherited from class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Field Details

  - ### HKEY_CLASSES_ROOT

    public static final int HKEY_CLASSES_ROOT
    Deprecated.
    See Also:
      - Constant Field Values

  - ### HKEY_CURRENT_CONFIG

    public static final int HKEY_CURRENT_CONFIG
    Deprecated.
    See Also:
      - Constant Field Values

  - ### HKEY_CURRENT_USER

    public static final int HKEY_CURRENT_USER
    Deprecated.
    See Also:
      - Constant Field Values

  - ### HKEY_LOCAL_MACHINE

    public static final int HKEY_LOCAL_MACHINE
    Deprecated.
    See Also:
      - Constant Field Values

  - ### HKEY_USERS

    public static final int HKEY_USERS
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_ALL_ACCESS

    public static final int KEY_ALL_ACCESS
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_CREATE_LINK

    public static final int KEY_CREATE_LINK
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_CREATE_SUB_KEY

    public static final int KEY_CREATE_SUB_KEY
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_ENUMERATE_SUB_KEYS

    public static final int KEY_ENUMERATE_SUB_KEYS
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_EXECUTE

    public static final int KEY_EXECUTE
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_NOTIFY

    public static final int KEY_NOTIFY
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_QUERY_VALUE

    public static final int KEY_QUERY_VALUE
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_READ

    public static final int KEY_READ
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_SET_VALUE

    public static final int KEY_SET_VALUE
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_WOW64_64KEY

    public static final int KEY_WOW64_64KEY
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_WOW64_32KEY

    public static final int KEY_WOW64_32KEY
    Deprecated.
    See Also:
      - Constant Field Values

  - ### KEY_WRITE

    public static final int KEY_WRITE
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_BINARY

    public static final int REG_BINARY
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_DWORD

    public static final int REG_DWORD
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_EXPAND_SZ

    public static final int REG_EXPAND_SZ
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_MULTI_SZ

    public static final int REG_MULTI_SZ
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_QWORD

    public static final int REG_QWORD
    Deprecated.
    See Also:
      - Constant Field Values

  - ### REG_SZ

    public static final int REG_SZ
    Deprecated.
    See Also:
      - Constant Field Values

- ## Constructor Details

  - ### Registry

    public Registry()
    Deprecated.

- ## Method Details

  - ### create

    public static long create(int root, String name, int sam, long pool) throws Error
    Deprecated.
    Create or open a Registry Key.
    Parameters:
      `root` - Root key, one of HKEY_*
      `name` - Registry Subkey to open
      `sam` - Access mask that specifies the access rights for the key.
      `pool` - Pool used for native memory allocation
    Returns:
      Opened Registry key
    Throws:
      `Error` - An error occurred

  - ### open

    public static long open(int root, String name, int sam, long pool) throws Error
    Deprecated.
    Opens the specified Registry Key.
    Parameters:
      `root` - Root key, one of HKEY_*
      `name` - Registry Subkey to open
      `sam` - Access mask that specifies the access rights for the key.
      `pool` - Pool used for native memory allocation
    Returns:
      Opened Registry key
    Throws:
      `Error` - An error occurred

  - ### close

    public static int close(long key)
    Deprecated.
    Close the specified Registry key.
    Parameters:
      `key` - The Registry key descriptor to close.
    Returns:
      the operation status

  - ### getType

    public static int getType(long key, String name)
    Deprecated.
    Get the Registry key type.
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Value type or negative error value

  - ### getValueI

    public static int getValueI(long key, String name) throws Error
    Deprecated.
    Get the Registry value for REG_DWORD
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Registry key value
    Throws:
      `Error` - An error occurred

  - ### getValueJ

    public static long getValueJ(long key, String name) throws Error
    Deprecated.
    Get the Registry value for REG_QWORD or REG_DWORD
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Registry key value
    Throws:
      `Error` - An error occurred

  - ### getSize

    public static int getSize(long key, String name)
    Deprecated.
    Get the Registry key length.
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Value size or negative error value

  - ### getValueS

    public static String getValueS(long key, String name) throws Error
    Deprecated.
    Get the Registry value for REG_SZ or REG_EXPAND_SZ
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Registry key value
    Throws:
      `Error` - An error occurred

  - ### getValueA

    public static String[] getValueA(long key, String name) throws Error
    Deprecated.
    Get the Registry value for REG_MULTI_SZ
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Registry key value
    Throws:
      `Error` - An error occurred

  - ### getValueB

    public static byte[] getValueB(long key, String name) throws Error
    Deprecated.
    Get the Registry value for REG_BINARY
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to query
    Returns:
      Registry key value
    Throws:
      `Error` - An error occurred

  - ### setValueI

    public static int setValueI(long key, String name, int val)
    Deprecated.
    Set the Registry value for REG_DWORD
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### setValueJ

    public static int setValueJ(long key, String name, long val)
    Deprecated.
    Set the Registry value for REG_QWORD
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### setValueS

    public static int setValueS(long key, String name, String val)
    Deprecated.
    Set the Registry value for REG_SZ
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### setValueE

    public static int setValueE(long key, String name, String val)
    Deprecated.
    Set the Registry value for REG_EXPAND_SZ
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### setValueA

    public static int setValueA(long key, String name, String[] val)
    Deprecated.
    Set the Registry value for REG_MULTI_SZ
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### setValueB

    public static int setValueB(long key, String name, byte[] val)
    Deprecated.
    Set the Registry value for REG_BINARY
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to set
      `val` - The the value to set
    Returns:
      If the function succeeds, the return value is 0

  - ### enumKeys

    public static String[] enumKeys(long key) throws Error
    Deprecated.
    Enumerate the Registry subkeys
    Parameters:
      `key` - The Registry key descriptor to use.
    Returns:
      Array of all subkey names
    Throws:
      `Error` - An error occurred

  - ### enumValues

    public static String[] enumValues(long key) throws Error
    Deprecated.
    Enumerate the Registry values
    Parameters:
      `key` - The Registry key descriptor to use.
    Returns:
      Array of all value names
    Throws:
      `Error` - An error occurred

  - ### deleteValue

    public static int deleteValue(long key, String name)
    Deprecated.
    Delete the Registry value
    Parameters:
      `key` - The Registry key descriptor to use.
      `name` - The name of the value to delete
    Returns:
      If the function succeeds, the return value is 0

  - ### deleteKey

    public static int deleteKey(int root, String name, boolean onlyIfEmpty)
    Deprecated.
    Delete the Registry subkey
    Parameters:
      `root` - Root key, one of HKEY_*
      `name` - Subkey to delete
      `onlyIfEmpty` - If true will not delete a key if it contains any subkeys or values
    Returns:
      If the function succeeds, the return value is 0