/*
 * Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.connector.cciblackbox;

import java.sql.Connection;
import java.sql.SQLException;

import jakarta.resource.ResourceException;
import jakarta.resource.spi.EISSystemException;
import jakarta.resource.spi.IllegalStateException;
import jakarta.resource.spi.ManagedConnectionMetaData;

/**
 * This class gives info about a ManagedConnection and the connected EIS
 * instance.
 * @author Sheetal Vartak
 */
public class CciManagedConnectionMetaDataImpl implements ManagedConnectionMetaData {

  private CciManagedConnection mc;

  public CciManagedConnectionMetaDataImpl(CciManagedConnection mc) {
    this.mc = mc;
  }

  public String getEISProductName() throws ResourceException {
    try {
      Connection con = mc.getJdbcConnection();
      return con.getMetaData().getDatabaseProductName();
    }
    catch (SQLException ex) {
      ResourceException re = new EISSystemException(ex.getMessage());
      re.setLinkedException(ex);
      throw re;
    }
  }

  public String getEISProductVersion() throws ResourceException {
    try {
      Connection con = mc.getJdbcConnection();
      return con.getMetaData().getDatabaseProductVersion();
    }
    catch (SQLException ex) {
      ResourceException re = new EISSystemException(ex.getMessage());
      re.setLinkedException(ex);
      throw re;
    }
  }

  public int getMaxConnections() throws ResourceException {
    try {
      Connection con = mc.getJdbcConnection();
      return con.getMetaData().getMaxConnections();
    }
    catch (SQLException ex) {
      ResourceException re = new EISSystemException(ex.getMessage());
      re.setLinkedException(ex);
      throw re;
    }
  }

  public String getUserName() throws ResourceException {
    if (mc.isDestroyed()) {
      throw new IllegalStateException("ManagedConnection has been destroyed");
    }
    return mc.getPasswordCredential().getUserName();
  }

}