JdbcUtils
This is a utility class with JDBC helper functions.
| Methods |
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| static void |
addClassFactory(Utils.ClassFactory classFactory)
Add a class factory in order to manage more than one class loader.
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| static void |
addClassFactory(Utils.ClassFactory classFactory)
Add a class factory in order to manage more than one class loader.
Parameters:
classFactory - An object that implements ClassFactory
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| static void |
closeSilently(Statement stat)
Close a statement without throwing an exception.
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| static void |
closeSilently(Statement stat)
Close a statement without throwing an exception.
Parameters:
stat - the statement or null
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| static void |
closeSilently(Connection conn)
Close a connection without throwing an exception.
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| static void |
closeSilently(Connection conn)
Close a connection without throwing an exception.
Parameters:
conn - the connection or null
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| static void |
closeSilently(ResultSet rs)
Close a result set without throwing an exception.
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| static void |
closeSilently(ResultSet rs)
Close a result set without throwing an exception.
Parameters:
rs - the result set or null
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| static Object |
deserialize(byte[] data, DataHandler dataHandler)
De-serialize the byte array to an object, eventually using the serializer
specified by the connection info.
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| static Object |
deserialize(byte[] data, DataHandler dataHandler)
De-serialize the byte array to an object, eventually using the serializer
specified by the connection info.
Parameters:
data - the byte array
dataHandler - provides the object serializer (may be null)
Returns:
the object
Throws:
DbException - if serialization fails
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| static Connection |
getConnection(String driver, String url, String user, String password)
Open a new database connection with the given settings.
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| static Connection |
getConnection(String driver, String url, String user, String password) throws SQLException
Open a new database connection with the given settings.
Parameters:
driver - the driver class name
url - the database URL
user - the user name
password - the password
Returns:
the database connection
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| static Connection |
getConnection(String driver, String url, Properties prop)
Open a new database connection with the given settings.
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| static Connection |
getConnection(String driver, String url, Properties prop) throws SQLException
Open a new database connection with the given settings.
Parameters:
driver - the driver class name
url - the database URL
prop - the properties containing at least the user name and password
Returns:
the database connection
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| static String |
getDriver(String url)
Get the driver class name for the given URL, or null if the URL is
unknown.
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| static String |
getDriver(String url)
Get the driver class name for the given URL, or null if the URL is
unknown.
Parameters:
url - the database URL
Returns:
the driver class name
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| static void |
load(String url)
Load the driver class for the given URL, if the database URL is known.
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| static void |
load(String url)
Load the driver class for the given URL, if the database URL is known.
Parameters:
url - the database URL
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| static Class |
loadUserClass(String className)
Load a class, but check if it is allowed to load this class first.
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| static Class |
loadUserClass(String className)
Load a class, but check if it is allowed to load this class first. To
perform access rights checking, the system property h2.allowedClasses
needs to be set to a list of class file name prefixes.
Parameters:
className - the name of the class
Returns:
the class object
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| static void |
removeClassFactory(Utils.ClassFactory classFactory)
Remove a class factory
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| static void |
removeClassFactory(Utils.ClassFactory classFactory)
Remove a class factory
Parameters:
classFactory - Already inserted class factory instance
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| static byte[] |
serialize(Object obj, DataHandler dataHandler)
Serialize the object to a byte array, using the serializer specified by
the connection info if set, or the default serializer.
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| static byte[] |
serialize(Object obj, DataHandler dataHandler)
Serialize the object to a byte array, using the serializer specified by
the connection info if set, or the default serializer.
Parameters:
obj - the object to serialize
dataHandler - provides the object serializer (may be null)
Returns:
the byte array
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customDataTypesHandler
Custom data types handler to use.
serializer
The serializer to use.
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