Package org.wso2.carbon.apimgt.impl.utils

Class APIMgtDBUtil

java.lang.Object

org.wso2.carbon.apimgt.impl.utils.APIMgtDBUtil

public final class APIMgtDBUtil
extends Object

Constructor Summary

Constructors

Constructor	Description
APIMgtDBUtil()

Method Summary

Modifier and Type	Method	Description
static void	closeAllConnections(PreparedStatement preparedStatement, Connection connection, ResultSet resultSet)	Utility method to close the connection streams.
static void	closeStatement(PreparedStatement preparedStatement)	Close PreparedStatement
static Map<String,Object>	convertJSONStringToMap(String jsonString)	Converts a JSON Object String to a String Map
static byte[]	getBytesFromInputStream(InputStream is)	Function converts IS to byte[] Used for handling inputstreams
static Connection	getConnection()	Utility method to get a new database connection
static String	getStringFromInputStream(InputStream is)	Function converts IS to String Used for handling blobs
static void	initialize()	Initializes the data source
static List<org.wso2.carbon.apimgt.api.model.APIRevisionDeployment>	mergeRevisionDeploymentDTOs(ResultSet rs)	Handle connection rollback logic.
static void	rollbackConnection(Connection connection, String error, SQLException e)	Handle connection rollback logic.
static void	setAutoCommit(Connection dbConnection, boolean autoCommit)	Set autocommit state of the connection

Methods inherited from class java.lang.Object

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

Constructor Detail

APIMgtDBUtil

public APIMgtDBUtil()

Method Detail

initialize

public static void initialize()
                       throws org.wso2.carbon.apimgt.api.APIManagerDatabaseException

Initializes the data source

Throws:

org.wso2.carbon.apimgt.api.APIManagementException - if an error occurs while loading DB configuration

org.wso2.carbon.apimgt.api.APIManagerDatabaseException

getConnection

public static Connection getConnection()
                                throws SQLException

Utility method to get a new database connection

Returns:

Connection

Throws:

SQLException - if failed to get Connection

closeAllConnections

public static void closeAllConnections(PreparedStatement preparedStatement,
                                       Connection connection,
                                       ResultSet resultSet)

Utility method to close the connection streams.

Parameters:

preparedStatement - PreparedStatement

connection - Connection

resultSet - ResultSet

closeStatement

public static void closeStatement(PreparedStatement preparedStatement)

Close PreparedStatement

Parameters:

preparedStatement - PreparedStatement

getStringFromInputStream

public static String getStringFromInputStream(InputStream is)

Function converts IS to String Used for handling blobs

Parameters:

is - - The Input Stream

Returns:

- The inputStream as a String

getBytesFromInputStream

public static byte[] getBytesFromInputStream(InputStream is)

Function converts IS to byte[] Used for handling inputstreams

Parameters:

is - - The Input Stream

Returns:

- The inputStream as a byte array

setAutoCommit

public static void setAutoCommit(Connection dbConnection,
                                 boolean autoCommit)

Set autocommit state of the connection

Parameters:

dbConnection - Connection

autoCommit - autoCommitState

rollbackConnection

public static void rollbackConnection(Connection connection,
                                      String error,
                                      SQLException e)
                               throws SQLException

Handle connection rollback logic. Rethrow original exception so that it can be handled centrally.

Parameters:

connection - Connection

error - Error message to be logged

e - Original SQLException

Throws:

SQLException

mergeRevisionDeploymentDTOs

public static List<org.wso2.carbon.apimgt.api.model.APIRevisionDeployment> mergeRevisionDeploymentDTOs(ResultSet rs)
                                                                                                throws org.wso2.carbon.apimgt.api.APIManagementException,
                                                                                                       SQLException

Handle connection rollback logic. Rethrow original exception so that it can be handled centrally.

Parameters:

rs - result set

Throws:

SQLException - sql exception

org.wso2.carbon.apimgt.api.APIManagementException - api management exception

convertJSONStringToMap

public static Map<String,Object> convertJSONStringToMap(String jsonString)
                                                       throws org.wso2.carbon.apimgt.api.APIManagementException

Converts a JSON Object String to a String Map

Parameters:

jsonString - JSON String

Returns:

String Map

Throws:

org.wso2.carbon.apimgt.api.APIManagementException - if errors occur during parsing the json string