Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class Main {
    static final String JDBC_DRIVER = "org.hsqldb.jdbcDriver";
    static final String DB_URL = "jdbc:hsqldb:mem:db_file";
    static final String USER = "sa";
    static final String PASS = "";

    public static void main(String[] args) throws Exception {
        Connection conn = null;
        PreparedStatement pstmt = null;
        Statement stmt = null;
        ResultSet rs = null;
        Class.forName(JDBC_DRIVER);
        conn = DriverManager.getConnection(DB_URL, USER, PASS);
        stmt = conn.createStatement();
        createXMLTable(stmt);
        File f = new File("build.xml");
        long fileLength = f.length();
        FileInputStream fis = new FileInputStream(f);
        String SQL = "INSERT INTO XML_Data VALUES (?,?)";
        pstmt = conn.prepareStatement(SQL);
        pstmt.setInt(1, 100);
        pstmt.setAsciiStream(2, fis, (int) fileLength);
        pstmt.execute();
        fis.close();
        SQL = "SELECT Data FROM XML_Data WHERE id=100";
        rs = stmt.executeQuery(SQL);
        if (rs.next()) {
            InputStream xmlInputStream = rs.getAsciiStream(1);
            int c;
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            while ((c = xmlInputStream.read()) != -1)
                bos.write(c);
            System.out.println(bos.toString());
        }
        rs.close();
        stmt.close();
        pstmt.close();
        conn.close();
    }

    public static void createXMLTable(Statement stmt) throws SQLException {
        String streamingDataSql = "CREATE TABLE XML_Data (id INTEGER, Data CLOB)";
        // stmt.executeUpdate("DROP TABLE XML_Data");
        stmt.executeUpdate(streamingDataSql);
    }
}