WebRowSet: execute(Connection conn) : Statement « java.sql « Java by API

1. Java by API
2. java.sql
3. Statement

WebRowSet: execute(Connection conn)

 

import java.io.File;
import java.io.FileWriter;
import java.io.StringWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

import javax.sql.rowset.WebRowSet;

import com.sun.rowset.WebRowSetImpl;

public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getHSQLConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("create table survey (id int,name varchar);");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st.executeUpdate("insert into survey (id,name ) values (2,'anotherValue')");    
    
    Statement stmt = conn.createStatement();
    String sqlQuery = "SELECT * FROM survey WHERE id='1'";
    WebRowSet webRS = new WebRowSetImpl();
    webRS.setCommand(sqlQuery);
    webRS.execute(conn);

    File file = new File("1.xml");
    FileWriter fw = new FileWriter(file);
    System.out.println("Writing db data to file " + file.getAbsolutePath());
    webRS.writeXml(fw);

    StringWriter sw = new StringWriter();
    webRS.writeXml(sw);
    System.out.println(sw.toString());
    fw.flush();
    fw.close();
    stmt.close();
    conn.close();
  }

  private static Connection getHSQLConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    System.out.println("Driver Loaded.");
    String url = "jdbc:hsqldb:data/tutorial";
    return DriverManager.getConnection(url, "sa", "");
  }

  public static Connection getMySqlConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/demo2s";
    String username = "oost";
    String password = "oost";

    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static Connection getOracleConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
    String username = "userName";
    String password = "password";

    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

}

   
  

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