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15 package org.mortbay.servlet.jetty;
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17 import java.io.IOException;
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19 import javax.servlet.http.HttpServletRequest;
20 import javax.servlet.http.HttpServletResponse;
21
22 import org.mortbay.servlet.GzipFilter;
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36 public class IncludableGzipFilter extends GzipFilter
37 {
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39 protected GZIPResponseWrapper newGZIPResponseWrapper(HttpServletRequest request, HttpServletResponse response)
40 {
41 return new IncludableResponseWrapper(request,response);
42 }
43
44 public class IncludableResponseWrapper extends GzipFilter.GZIPResponseWrapper
45 {
46 public IncludableResponseWrapper(HttpServletRequest request, HttpServletResponse response)
47 {
48 super(request,response);
49 }
50
51 protected GzipStream newGzipStream(HttpServletRequest request,HttpServletResponse response,long contentLength,int bufferSize, int minGzipSize) throws IOException
52 {
53 return new IncludableGzipStream(request,response,contentLength,bufferSize,minGzipSize);
54 }
55 }
56
57 public class IncludableGzipStream extends GzipFilter.GzipStream
58 {
59 public IncludableGzipStream(HttpServletRequest request, HttpServletResponse response, long contentLength, int bufferSize, int minGzipSize)
60 throws IOException
61 {
62 super(request,response,contentLength,bufferSize,minGzipSize);
63 }
64
65 protected boolean setContentEncodingGzip()
66 {
67 if (_request.getAttribute("javax.servlet.include.request_uri")!=null)
68 _response.setHeader("org.mortbay.jetty.include.Content-Encoding", "gzip");
69 else
70 _response.setHeader("Content-Encoding", "gzip");
71
72 return _response.containsHeader("Content-Encoding");
73 }
74
75 }
76
77 }