io

Class Database

java.lang.Object

io.Database

public class Database
extends java.lang.Object

This class contains only one static method. The method is used to read a BLOB from a database.

Tutorials: JDBC, sample code.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Database.DB_Messenger Design template of the crate with the data necessary for connection to the database.

Constructor Summary

Constructors

Constructor and Description
Database()

Method Summary

Modifier and Type	Method and Description
static byte[]	getBlobBytes(Database.DB_Messenger crate) This method finds the first BLOB returned by the query and retrieves its content.

Methods inherited from class java.lang.Object

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

Constructor Detail

Database

public Database()

Method Detail

getBlobBytes

public static byte[] getBlobBytes(Database.DB_Messenger crate)

This method finds the first BLOB returned by the query and retrieves its content. The content is returned in a byte array.

Parameters:

crate - data with an SQL query to connect to the database.

Returns:

bytes from a BLOB or null if no BLOB is found or if a database connection error occurs.