Android Open Source - DKO J D B C Driver Data Source

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License

The source code is released under:
GNU Lesser General Public License
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Java Source Code

package org.kered.dko.datasource;
/*ww w .j  a  va2 s .c  om*/
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;

import javax.sql.DataSource;

import org.kered.dko.Constants;
import org.kered.dko.Constants.DB_TYPE;

/**
 * When (usually older) JDBC drivers don't offer a DataSource implementation
 * this class will give you one.
 *
 * @author Derek Anderson
 */
public class JDBCDriverDataSource implements DataSource {

  private final String url;
  private final String username;
  private final String password;
  private final DB_TYPE type;

  public JDBCDriverDataSource(final String url) {
    if (url.startsWith("jdbc:sqlite")) type = DB_TYPE.SQLITE3;
    else if (url.startsWith("jdbc:derby")) type = DB_TYPE.DERBY;
    else type = null;
    this.url = url;
    this.username = null;
    this.password = null;
  }

  public JDBCDriverDataSource(final String url, final String username,
      final String password) {
    this.type = null;
    this.url = url;
    this.username = username;
    this.password = password;
  }

  public JDBCDriverDataSource(final Constants.DB_TYPE type, final String url) {
    this.type = type;
    this.url = url;
    this.username = null;
    this.password = null;
  }

  public JDBCDriverDataSource(final Constants.DB_TYPE type, final String url,
      final String username, final String password) {
    this.type = type;
    this.url = url;
    this.username = username;
    this.password = password;
  }

  @Override
  public PrintWriter getLogWriter() throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  @Override
  public int getLoginTimeout() throws SQLException {
    // TODO Auto-generated method stub
    return 0;
  }

  @Override
  public void setLogWriter(final PrintWriter arg0) throws SQLException {
    // TODO Auto-generated method stub

  }

  @Override
  public void setLoginTimeout(final int arg0) throws SQLException {
    // TODO Auto-generated method stub

  }

  @Override
  public boolean isWrapperFor(final Class<?> arg0) throws SQLException {
    // TODO Auto-generated method stub
    return false;
  }

  @Override
  public <T> T unwrap(final Class<T> arg0) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  @Override
  public Connection getConnection() throws SQLException {
    if (username == null && password == null) {
      return DriverManager.getConnection(url);
    } else {
      return DriverManager.getConnection(url, username, password);
    }
  }

  @Override
  public Connection getConnection(final String username, final String password)
      throws SQLException {
    return DriverManager.getConnection(url, username, password);
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result
        + ((password == null) ? 0 : password.hashCode());
    result = prime * result + ((url == null) ? 0 : url.hashCode());
    result = prime * result
        + ((username == null) ? 0 : username.hashCode());
    return result;
  }

  @Override
  public boolean equals(final Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    final JDBCDriverDataSource other = (JDBCDriverDataSource) obj;
    if (password == null) {
      if (other.password != null)
        return false;
    } else if (!password.equals(other.password))
      return false;
    if (url == null) {
      if (other.url != null)
        return false;
    } else if (!url.equals(other.url))
      return false;
    if (username == null) {
      if (other.username != null)
        return false;
    } else if (!username.equals(other.username))
      return false;
    return true;
  }

  // @Override
  public Logger getParentLogger() throws SQLFeatureNotSupportedException {
    throw new SQLFeatureNotSupportedException();
  }

  public DB_TYPE getDBType() {
    return type;
  }
  
  public String getURL() {
    return url;
  }

}
Java Source Code List
