Java/Database SQL JDBC/Privileges

Get Column Privileges Oracle

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
public class GetColumnPrivilegesOracle {
  public static void main(String[] args) throws Exception {
    Connection conn = null;
    conn = getConnection();
    String catalogPattern = conn.getCatalog();
    String schemaPattern = "SYSTEM";
    String tableNamePattern = "HELP";
    ResultSet privileges = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The "_" character represents any single character.
    // The "%" character represents any sequence of zero or more characters.
    privileges = meta.getTablePrivileges(catalogPattern, schemaPattern, tableNamePattern);
    while (privileges.next()) {
      String catalog = privileges.getString("TABLE_CAT");
      String schema = privileges.getString("TABLE_SCHEM");
      String tableName = privileges.getString("TABLE_NAME");
      String privilege = privileges.getString("PRIVILEGE");
      String grantor = privileges.getString("GRANTOR");
      String grantee = privileges.getString("GRANTEE");
      String isGrantable = privileges.getString("IS_GRANTABLE");
      
      System.out.println("table name:" + tableName);
      System.out.println("catalog:" + catalog);
      System.out.println("schema:" + schema);
      System.out.println("privilege:" + privilege);
      System.out.println("grantor:" + grantor);
      System.out.println("isGrantable:" + isGrantable);
      System.out.println("grantee:" + grantee);
      conn.close();
    }
  }
  public static Connection getConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:databaseName";
    String username = "system";
    String password = "password";
    Class.forName(driver); // load Oracle driver
    return DriverManager.getConnection(url, username, password);
  }
}

Get Table Privileges

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,"nameValue")");
    ResultSet privileges = null;
    DatabaseMetaData meta = conn.getMetaData();
    // The "_" character represents any single character.
    // The "%" character represents any sequence of zero
    // or more characters.
    privileges = meta.getTablePrivileges(conn.getCatalog(), "%", "survey");
    while (privileges.next()) {
      String catalog = privileges.getString("TABLE_CAT");
      String schema = privileges.getString("TABLE_SCHEM");
      String tableName = privileges.getString("TABLE_NAME");
      String privilege = privileges.getString("PRIVILEGE");
      String grantor = privileges.getString("GRANTOR");
      String grantee = privileges.getString("GRANTEE");
      String isGrantable = privileges.getString("IS_GRANTABLE");
      System.out.println("table name:" + tableName);
      System.out.println("catalog:"+catalog);
      System.out.println("schema:"+ schema);
      System.out.println("privilege:"+privilege);
      System.out.println("grantor:"+grantor);
      System.out.println("isGrantable:"+isGrantable);
      System.out.println("grantee:"+grantee);
    }
    st.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:caspian";
    String username = "mp";
    String password = "mp2";
    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }
}