org.openqa.grid.web.utils.ExtraServletUtil Maven / Gradle / Ivy

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// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you 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 org.openqa.grid.web.utils;

import java.util.logging.Logger;

import javax.servlet.Servlet;

public class ExtraServletUtil {

  private static final Logger log = Logger.getLogger(ExtraServletUtil.class.getName());

  /**
   * Reflexion to create the servlet based on the class name. Returns null if the class cannot be
   * instantiated.
   *
   * @param className class name to be created
   * @return Class object for passed className argument, or null if no
   *         matching class name can be found.
   */
  public static Class createServlet(String className) {
    try {
      return Class.forName(className).asSubclass(Servlet.class);
    } catch (ClassNotFoundException e) {
      log.warning("The specified class : " + className + " cannot be instantiated " +
          e.getMessage());
    }
    return null;
  }
}