/*

  * This file is part of dependency-check-core.

  *

  * Dependency-check-core is free software: you can redistribute it and/or modify it

  * under the terms of the GNU General Public License as published by the Free

  * Software Foundation, either version 3 of the License, or (at your option) any

  * later version.

  *

  * Dependency-check-core is distributed in the hope that it will be useful, but

  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

  * details.

  *

  * You should have received a copy of the GNU General Public License along with

  * dependency-check-core. If not, see http://www.gnu.org/licenses/.

  *

  * Copyright (c) 2014 Jeremy Long. All Rights Reserved.

  */

 package org.owasp.dependencycheck.data.nvdcve;

 import java.sql.Connection;

 import java.sql.Driver;

 import java.sql.DriverPropertyInfo;

 import java.sql.SQLException;

 import java.sql.SQLFeatureNotSupportedException;

 import java.util.Properties;

 import java.util.logging.Logger;

 /**

  * <p>

  * Driver shim to get around the class loader issue with the DriverManager. The following code is a nearly identical

  * copy (with more comments and a few more methods implemented) of the DriverShim from:</p>

  * <blockquote>http://www.kfu.com/~nsayer/Java/dyn-jdbc.html</blockquote>

  *

  * @author Jeremy Long <jeremy.long@owasp.org>

  * @see java.sql.Driver

  */

 class DriverShim implements Driver {

     /**

      * The database driver being wrapped.

      */

     private final Driver driver;

     /**

      * Constructs a new wrapper around a Driver.

      *

      * @param driver the database driver to wrap

      */

     DriverShim(Driver driver) {

         this.driver = driver;

     }

     /**

      * Wraps the underlying driver's call to acceptsURL. Returns whether or not the driver can open a connection to the

      * given URL.

      *

      * @param url the URL of the database

      * @return true if the wrapped driver can connect to the specified URL

      * @throws SQLException thrown if there is an error connecting to the database

      * @see java.sql.Driver#acceptsURL(java.lang.String)

      */

     @Override

     public boolean acceptsURL(String url) throws SQLException {

         return this.driver.acceptsURL(url);

     }

     /**

      * Returns the wrapped driver's major version number.

      *

      * @return the wrapped driver's major version number

      * @see java.sql.Driver#getMajorVersion()

      */

     @Override

     public int getMajorVersion() {

         return this.driver.getMajorVersion();

     }

     /**

      * Returns the wrapped driver's minor version number.

      *

      * @return the wrapped driver's minor version number

      * @see java.sql.Driver#getMinorVersion()

      */

     @Override

     public int getMinorVersion() {

         return this.driver.getMinorVersion();

     }

     /**

      * Returns whether or not the wrapped driver is jdbcCompliant.

      *

      * @return true if the wrapped driver is JDBC compliant; otherwise false

      * @see java.sql.Driver#jdbcCompliant()

      */

     @Override

     public boolean jdbcCompliant() {

         return this.driver.jdbcCompliant();

     }

     /**

      * Wraps the call to the underlying driver's connect method.

      *

      * @param url the URL of the database

      * @param info a collection of string/value pairs

      * @return a Connection object

      * @throws SQLException thrown if there is an error connecting to the database

      * @see java.sql.Driver#connect(java.lang.String, java.util.Properties)

      */

     @Override

     public Connection connect(String url, Properties info) throws SQLException {

         return this.driver.connect(url, info);

     }

     /**

      * Wraps the call to the underlying driver's getPropertyInfo method.

      *

      * @param url the URL of the database

      * @param info a collection of string/value pairs

      * @return an array of DriverPropertyInfo objects

      * @throws SQLException thrown if there is an error accessing the database

      * @see java.sql.Driver#getPropertyInfo(java.lang.String, java.util.Properties)

      */

     @Override

     public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {

         return this.driver.getPropertyInfo(url, info);

     }

     /**

      * Wraps the call to the underlying driver's getParentLogger method.

      *

      * @return the parent's Logger

      * @throws SQLFeatureNotSupportedException thrown if the feature is not supported

      * @see java.sql.Driver#getParentLogger()

      */

     @Override

     public Logger getParentLogger() throws SQLFeatureNotSupportedException {

         return this.driver.getParentLogger();

     }

     /**

      * Standard implementation of hashCode.

      *

      * @return the hashCode of the object

      */

     @Override

     public int hashCode() {

         int hash = 7;

         hash = 97 * hash + (this.driver != null ? this.driver.hashCode() : 0);

         return hash;

     }

     /**

      * Standard implementation of equals.

      *

      * @param obj the object to compare

      * @return returns true if the objects are equal; otherwise false

      */

     @Override

     public boolean equals(Object obj) {

         if (obj == null) {

             return false;

         }

         if (getClass() != obj.getClass()) {

             return false;

         }

         final DriverShim other = (DriverShim) obj;

         return this.driver == other.driver || (this.driver != null && this.driver.equals(other.driver));

     }

     /**

      * Standard implementation of toString().

      *

      * @return the String representation of the object

      */

     @Override

     public String toString() {

         return "DriverShim{" + "driver=" + driver + '}';

     }

 }