DelegatingDataSource.java

/*
 * Copyright 2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ratpack.jdbctx.internal;

import javax.sql.DataSource;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.logging.Logger;

public class DelegatingDataSource implements DataSource {

  private final DataSource delegate;

  public DelegatingDataSource(DataSource delegate) {
    this.delegate = delegate;
  }

  @Override
  public Connection getConnection() throws SQLException {
    return delegate.getConnection();
  }

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

  @Override
  public PrintWriter getLogWriter() throws SQLException {
    return delegate.getLogWriter();
  }

  @Override
  public void setLogWriter(PrintWriter out) throws SQLException {
    delegate.setLogWriter(out);
  }

  @Override
  public int getLoginTimeout() throws SQLException {
    return delegate.getLoginTimeout();
  }

  @Override
  public void setLoginTimeout(int seconds) throws SQLException {
    delegate.setLoginTimeout(seconds);
  }

  @Override
  @SuppressWarnings("unchecked")
  public <T> T unwrap(Class<T> iface) throws SQLException {
    if (iface.isInstance(this)) {
      return (T) this;
    }
    return delegate.unwrap(iface);
  }

  @Override
  public boolean isWrapperFor(Class<?> iface) throws SQLException {
    return iface.isInstance(this) || delegate.isWrapperFor(iface);
  }

  @Override
  public Logger getParentLogger() {
    return Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
  }

}