gzipfilter.java

### File Source: gzipfilter.java

             /*
        P/P   *  Method: net.sourceforge.pebble.web.filter.GZIPFilter__static_init
              */
         1  /*
         2   * Copyright (c) 2003-2006, Simon Brown
         3   * All rights reserved.
         4   *
         5   * Redistribution and use in source and binary forms, with or without
         6   * modification, are permitted provided that the following conditions are met:
         7   *
         8   *   - Redistributions of source code must retain the above copyright
         9   *     notice, this list of conditions and the following disclaimer.
        10   *
        11   *   - Redistributions in binary form must reproduce the above copyright
        12   *     notice, this list of conditions and the following disclaimer in
        13   *     the documentation and/or other materials provided with the
        14   *     distribution.
        15   *
        16   *   - Neither the name of Pebble nor the names of its contributors may
        17   *     be used to endorse or promote products derived from this software
        18   *     without specific prior written permission.
        19   *
        20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
        21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
        24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        30   * POSSIBILITY OF SUCH DAMAGE.
        31   */
        32  package net.sourceforge.pebble.web.filter;
        33
        34  import javax.servlet.*;
             /*
        P/P   *  Method: void net.sourceforge.pebble.web.filter.GZIPFilter()
              */
        35  import javax.servlet.http.HttpServletRequest;
        36  import javax.servlet.http.HttpServletResponse;
        37  import java.io.IOException;
        38
        39  public class GZIPFilter implements Filter {
        40
               /*
        P/P     *  Method: void doFilter(ServletRequest, ServletResponse, FilterChain)
                *
                *  Preconditions:
                *    chain != null
                *    req != null
                *
                *  Test Vectors:
                *    java.lang.String:indexOf(...)@48: {-1}, {-231..-2, 0..232-1}
                *    javax.servlet.http.HttpServletRequest:getHeader(...)@47: Addr_Set{null}, Inverse{null}
                */
        41    public void doFilter(ServletRequest req, ServletResponse res,
        42                         FilterChain chain) throws IOException, ServletException {
        43
        44        HttpServletRequest request = (HttpServletRequest) req;
        45        HttpServletResponse response = (HttpServletResponse) res;
        46
        47        String ae = request.getHeader("Accept-Encoding");
        48        if (ae != null && ae.indexOf("gzip") != -1) {
        49          GZIPResponseWrapper wrappedResponse = new GZIPResponseWrapper(response);
        50          chain.doFilter(req, wrappedResponse);
        51          wrappedResponse.finishResponse();
        52        } else {
        53          chain.doFilter(req, res);
        54        }
        55    }
        56
               /*
        P/P     *  Method: void init(FilterConfig)
                */
        57    public void init(FilterConfig filterConfig) {
        58    }
        59
               /*
        P/P     *  Method: void destroy()
                */
        60    public void destroy() {
        61    }
        62
        63  }

SofCheck Inspector Build Version : 2.22510

gzipfilter.java | 2010-Jun-25 19:40:32
gzipfilter.class | 2010-Jul-19 20:23:38