org.apache.commons.dbcp2

Class Utils

java.lang.Object

org.apache.commons.dbcp2.Utils

public final class Utils
extends Object

Utility methods.

Since:

2.0

Field Summary

Fields

Modifier and Type	Field and Description
static String	DISCONNECTION_SQL_CODE_PREFIX Any SQL_STATE starting with this value is considered a fatal disconnect
static Set<String>	DISCONNECTION_SQL_CODES SQL codes of fatal connection errors.
static boolean	IS_SECURITY_ENABLED Whether the security manager is enabled.

Method Summary

Modifier and Type	Method and Description
static void	closeQuietly(Connection connection) Closes the Connection (which may be null).
static void	closeQuietly(ResultSet resultSet) Closes the ResultSet (which may be null).
static void	closeQuietly(Statement statement) Closes the Statement (which may be null).
static String	getMessage(String key) Gets the correct i18n message for the given key.
static String	getMessage(String key, Object... args) Gets the correct i18n message for the given key with placeholders replaced by the supplied arguments.
static char[]	toCharArray(String value) Converts the given String to a char[].
static String	toString(char[] value) Converts the given char[] to a String.

Methods inherited from class java.lang.Object

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

Field Detail

IS_SECURITY_ENABLED

public static final boolean IS_SECURITY_ENABLED

Whether the security manager is enabled.

DISCONNECTION_SQL_CODE_PREFIX

public static final String DISCONNECTION_SQL_CODE_PREFIX

Any SQL_STATE starting with this value is considered a fatal disconnect

See Also:

Constant Field Values

DISCONNECTION_SQL_CODES

public static final Set<String> DISCONNECTION_SQL_CODES

SQL codes of fatal connection errors.

• 57P01 (ADMIN SHUTDOWN)
• 57P02 (CRASH SHUTDOWN)
• 57P03 (CANNOT CONNECT NOW)
• 01002 (SQL92 disconnect error)
• JZ0C0 (Sybase disconnect error)
• JZ0C1 (Sybase disconnect error)

Method Detail

closeQuietly

public static void closeQuietly(ResultSet resultSet)

Closes the ResultSet (which may be null).

Parameters:

resultSet - a ResultSet, may be null

closeQuietly

public static void closeQuietly(Connection connection)

Closes the Connection (which may be null).

Parameters:

connection - a Connection, may be null

closeQuietly

public static void closeQuietly(Statement statement)

Closes the Statement (which may be null).

Parameters:

statement - a Statement, may be null.

getMessage

public static String getMessage(String key)

Gets the correct i18n message for the given key.

Parameters:

key - The key to look up an i18n message.

Returns:

The i18n message.

getMessage

public static String getMessage(String key,
                                Object... args)

Gets the correct i18n message for the given key with placeholders replaced by the supplied arguments.

Parameters:

key - A message key.

args - The message arguments.

Returns:

An i18n message.

toCharArray

public static char[] toCharArray(String value)

Converts the given String to a char[].

Parameters:

value - may be null.

Returns:

a char[] or null.

toString

public static String toString(char[] value)

Converts the given char[] to a String.

Parameters:

value - may be null.

Returns:

a String or null.