View Javadoc

    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one
    3    * or more contributor license agreements.  See the NOTICE file
    4    * distributed with this work for additional information
    5    * regarding copyright ownership.  The ASF licenses this file
    6    * to you under the Apache License, Version 2.0 (the
    7    * "License"); you may not use this file except in compliance
    8    * with the License.  You may obtain a copy of the License at
    9    *
    10   *   http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing,
    13   * software distributed under the License is distributed on an
    14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   * KIND, either express or implied.  See the License for the
    16   * specific language governing permissions and limitations
    17   * under the License.
    18   */
    19
    20  package org.apache.myfaces.orchestra.lib;
    21
    22  import java.io.IOException;
    23
    24  import javax.servlet.Filter;
    25  import javax.servlet.FilterChain;
    26  import javax.servlet.FilterConfig;
    27  import javax.servlet.ServletException;
    28  import javax.servlet.ServletRequest;
    29  import javax.servlet.ServletResponse;
    30
    31  /**
    32   * A filter that does absolutely nothing. Can be used with the CompoundFilter.
    33   *
    34   * @since 1.1
    35   */
    36  public final class _NullFilter implements Filter
    37  {
    38      public void init(FilterConfig filterConfig) throws ServletException
    39      {
    40      }
    41
    42      public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
    43          final FilterChain filterChain) throws IOException, ServletException
    44      {
    45          filterChain.doFilter(servletRequest, servletResponse);
    46      }
    47
    48      public void destroy()
    49      {
    50      }
    51  }