Saturday, 23 August 2014

JDBC : Store File


















Click here to watch in Youtube : https://www.youtube.com/watch?v=BMqaLhN2chk

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JDBC : Store File
JDBC : Store File
JDBC : Store File
JDBC : Store File
JDBC : Store File
JDBCStoreFileDemo.java
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCStoreFileDemo
{
    // JDBC driver name and database URL
    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://localhost:3306/world";

    // Database credentials
    static final String USERNAME = "root";
    static final String PASSWORD = "root";

    public static void main(String[] args)
    {
        JDBCStoreFileDemo jdbcStoreFileDemo = new JDBCStoreFileDemo();
        jdbcStoreFileDemo.storeFile();
    }

    private void storeFile()
    {
        Connection connection = null;
        PreparedStatement preparedStatement = null;
        FileReader fileReader = null;
        try
        {
            /*
             * Register the JDBC driver in DriverManager
             */

            Class.forName(JDBC_DRIVER);

            /*
             * Establish connection to the Database using DriverManager
             */

            connection = DriverManager
                    .getConnection(DB_URL, USERNAME, PASSWORD);

            String sql = "insert into CITY_HISTORY values(?,?,?);";

            preparedStatement = connection.prepareStatement(sql);

            File file = new File("D:/Downloads/Newyork History.txt");
            fileReader = new FileReader(file);

            preparedStatement.setInt(1, 1);
            preparedStatement.setString(2, file.getName());
            preparedStatement.setCharacterStream(3, fileReader,
                    (int) file.length());

            int numberOfRowsInserted = preparedStatement.executeUpdate();

            System.out
                    .println("numberOfRowsInserted : " + numberOfRowsInserted);

        }
        catch (SQLException se)
        {

            se.printStackTrace();
        }
        catch (ClassNotFoundException e)
        {
            e.printStackTrace();
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
        finally
        {
            /*
             * finally block used to close resources
             */
            try
            {
                if (preparedStatement != null)
                {
                    preparedStatement.close();
                }
            }
            catch (SQLException sqlException)
            {
                sqlException.printStackTrace();
            }
            try
            {
                if (connection != null)
                {
                    connection.close();
                }
            }
            catch (SQLException sqlException)
            {
                sqlException.printStackTrace();
            }

            if (fileReader != null)
            {
                try
                {
                    fileReader.close();
                }
                catch (IOException e)
                {

                    e.printStackTrace();
                }
            }
        }

    }
}

Output
numberOfRowsInserted : 1

SQL
CREATE TABLE `CITY_HISTORY` (  
`ID` int(11) NOT NULL AUTO_INCREMENT,  
`Name` char(35) NOT NULL DEFAULT '',  
`History_Details` LONGTEXT  NULL ,   
PRIMARY KEY (`ID`)) 
ENGINE=InnoDB;

Environment Used 

JDK version : 1.7.0_51
Mysql Server version : 5.6.19 

To Download JDBCStoreFileDemoApp Project Click the below link

https://sites.google.com/site/javaee4321/jdbc/JDBCStoreFileDemoApp.zip?attredirects=0&d=1

See also:

  • Servlets Tutorial
  • All Design Patterns Links
  • JDBC Tutorial
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