Thread: [Simpleweb-Support] HTTP Compression
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From: Brian D. <wic...@gm...> - 2005-12-13 15:19:58
|
Is there any plans to support gzip or deflate.. or is it there and I am not finding it.. also.. if not why? and.. if not.. any recommends on where to add it.. thanks! Brian |
|
From: Christophe R. <cr...@ac...> - 2005-12-13 18:14:51
|
I have done this with a custom ProtocolHandler:
public class ServerHandler implements ProtocolHandler {
private ProtocolHandler _handler;
private static final Logger _logger =3D
Logger.getLogger(ServerHandler.class);
=20
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Constructor
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
public ServerHandler(ProtocolHandler handler) {
_handler =3D handler;
}
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Public methods
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
public void handle(Request req, Response resp) {
resp.set("Server", "Simple");
resp.setDate("Date", System.currentTimeMillis());
// check for compressed request
String contentEncoding =3D req.getValue("Content-Encoding");
if ((contentEncoding !=3D null)
&& (contentEncoding.toLowerCase().indexOf("gzip") > -1)) {
_logger.debug("Request is zipped.");
req =3D new GZipRequest(req, SimpleWeb.BUFFER_SIZE);
}
// does the client accept compressed response?
String acceptEncoding =3D req.getValue("Accept-Encoding");
if ((!"GET".equals(req.getMethod())) && (acceptEncoding !=3D null)
&& (acceptEncoding.toLowerCase().indexOf("gzip") > -1)) {
_logger.debug("Response will be zipped.");
resp =3D new GZipResponse(resp);
}
/*
* Hand the request over to the real server so that targeted service =
can
be
* executed.
*/
_handler.handle(req, resp);
}
}
--------------------
And the GZipRequest and GZipResponse are mainly a wrapper on a request =
where
stream getter methods return a GZIP stream:
public class GZipRequest implements Request { //extends FilterRequest {
private int _size;
private Request _req;
=20
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Constructor
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=20
/**
* Wraps the specified request stream into a GZipStream.
*/
public GZipRequest(Request request, int size) {
//super(request);
_req =3D request;
if (size <=3D0) {
_size =3D 2048;
} else {
_size =3D size;
}
}
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Public methods
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=20
/**
* Returns a GZIPInputStream.
*/
public InputStream getInputStream() throws IOException {
return new GZIPInputStream(_req.getInputStream(), _size);
}
=20
/**
* This can be used to get the URI specified for this HTTP
* request. This corresponds to the /index part of a=20
* http://www.domain.com/index URL but may contain the full
* URL. This can be set using <code>setURI</code>.
*
* @return the URI that this HTTP request is targeting
*/=20
public String getURI(){
return _req.getURI();
}
/**
* This can be used to set the URI for this HTTP request.
* The <code>getURI</code> will return the String entered
* which can be a full HTTP URL or a relative path URL.
*
* @param uri the URI that this HTTP request is to use
*/ =20
public void setURI(String uri){
_req.setURI(uri);
}
/**
* This can be used to get the HTTP method for this
* request. The HTTP specification RFC 2616 specifies the
* HTTP request methods in section 9, Method Definitions.
*
* @return the request method for this request
*/=20
public String getMethod(){
return _req.getMethod();
}
...
------------------
public class GZipResponse implements Response { //extends FilterResponse =
{
private Response _resp;
=20
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Constructors
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
/**
* Creates a GZipResponse for the specified Response.
*/
public GZipResponse(Response response) {
//super(response);
_resp =3D response;
_resp.set("Content-Encoding", "gzip");
}
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
// Public methods
// =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
/**
* Returns a GZIPOutputStream.
* @see simple.http.Response#getOutputStream()
*/
public OutputStream getOutputStream() throws IOException {
return new GZIPOutputStream(_resp.getOutputStream());
}
/**
* Returns a GZIPOutputStream.
* @see simple.http.Response#getOutputStream(int)
*/
public OutputStream getOutputStream(int size) throws IOException {
return new GZIPOutputStream(_resp.getOutputStream(size), size);
}
/**
* Returns a GZIPOutputStream wrapped into a PrintStream.
* @see simple.http.Response#getPrintStream()
*/
public PrintStream getPrintStream() throws IOException {
return getPrintStream();
}
/**
* Returns a GZIPOutputStream wrapped into a PrintStream.
* @see simple.http.Response#getPrintStream(int)
*/
public PrintStream getPrintStream(int size) throws IOException {
return new PrintStream(getOutputStream(size), false);
}
/**
* This represents the status code of the HTTP response. The HTTP
* response code represents the type of message that is being sent
* to the client. For a description of the codes see RFC 2616=20
* section 10, Status Code Definitions.=20
*
* @return the status code that this HTTP response has
*/=20
public int getCode(){
return _resp.getCode();
}
=20
/**
* This method allows the status for the response to be changed.=20
* This must be reflected the the response content given to the=20
* client. For a description of the codes see RFC 2616 section=20
* 10, Status Code Definitions.
*
* @param code the new status code for the HTTP response
*/=20
public void setCode(int code){
_resp.setCode(code);
}
....
Christophe
> -----Original Message-----
> From: sim...@li... [mailto:simpleweb-
> sup...@li...] On Behalf Of Brian Davis
> Sent: Tuesday, December 13, 2005 10:20 AM
> To: sim...@li...
> Subject: [Simpleweb-Support] HTTP Compression
>=20
> Is there any plans to support gzip or deflate.. or is it there and I
> am not finding it.. also.. if not why? and.. if not.. any recommends
> on where to add it..
>=20
> thanks!
>=20
> Brian
>=20
>=20
> -------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc. Do you grep through log
> files
> for problems? Stop! Download the new AJAX search engine that makes
> searching your log files as easy as surfing the web. DOWNLOAD =
SPLUNK!
> http://ads.osdn.com/?ad_idv37&alloc_id=16865&op=3Dick
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
|
|
From: Brian D. <wic...@gm...> - 2005-12-13 20:21:26
|
Hey cool.. I will look at this in a day or two and let you know how it
goes.. did you guys do anything with deflate or just gzip?
/Brian
On 12/13/05, Christophe Roudet <cr...@ac...> wrote:
> I have done this with a custom ProtocolHandler:
>
> public class ServerHandler implements ProtocolHandler {
> private ProtocolHandler _handler;
> private static final Logger _logger =3D
> Logger.getLogger(ServerHandler.class);
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Constructor
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> public ServerHandler(ProtocolHandler handler) {
> _handler =3D handler;
> }
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Public methods
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> public void handle(Request req, Response resp) {
> resp.set("Server", "Simple");
> resp.setDate("Date", System.currentTimeMillis());
> // check for compressed request
> String contentEncoding =3D req.getValue("Content-Encoding");
> if ((contentEncoding !=3D null)
> && (contentEncoding.toLowerCase().indexOf("gzip") > -1)) {
> _logger.debug("Request is zipped.");
> req =3D new GZipRequest(req, SimpleWeb.BUFFER_SIZE);
> }
> // does the client accept compressed response?
> String acceptEncoding =3D req.getValue("Accept-Encoding");
> if ((!"GET".equals(req.getMethod())) && (acceptEncoding !=3D null)
> && (acceptEncoding.toLowerCase().indexOf("gzip") > -1)) {
> _logger.debug("Response will be zipped.");
> resp =3D new GZipResponse(resp);
> }
> /*
> * Hand the request over to the real server so that targeted service =
can
> be
> * executed.
> */
> _handler.handle(req, resp);
> }
> }
>
> --------------------
> And the GZipRequest and GZipResponse are mainly a wrapper on a request wh=
ere
> stream getter methods return a GZIP stream:
>
>
> public class GZipRequest implements Request { //extends FilterRequest {
> private int _size;
> private Request _req;
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Constructor
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> /**
> * Wraps the specified request stream into a GZipStream.
> */
> public GZipRequest(Request request, int size) {
> //super(request);
> _req =3D request;
> if (size <=3D0) {
> _size =3D 2048;
> } else {
> _size =3D size;
> }
> }
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Public methods
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> /**
> * Returns a GZIPInputStream.
> */
> public InputStream getInputStream() throws IOException {
> return new GZIPInputStream(_req.getInputStream(), _size);
> }
>
> /**
> * This can be used to get the URI specified for this HTTP
> * request. This corresponds to the /index part of a
> * http://www.domain.com/index URL but may contain the full
> * URL. This can be set using <code>setURI</code>.
> *
> * @return the URI that this HTTP request is targeting
> */
> public String getURI(){
> return _req.getURI();
> }
>
> /**
> * This can be used to set the URI for this HTTP request.
> * The <code>getURI</code> will return the String entered
> * which can be a full HTTP URL or a relative path URL.
> *
> * @param uri the URI that this HTTP request is to use
> */
> public void setURI(String uri){
> _req.setURI(uri);
> }
>
> /**
> * This can be used to get the HTTP method for this
> * request. The HTTP specification RFC 2616 specifies the
> * HTTP request methods in section 9, Method Definitions.
> *
> * @return the request method for this request
> */
> public String getMethod(){
> return _req.getMethod();
> }
>
> ...
>
> ------------------
>
> public class GZipResponse implements Response { //extends FilterResponse =
{
> private Response _resp;
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Constructors
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> /**
> * Creates a GZipResponse for the specified Response.
> */
> public GZipResponse(Response response) {
> //super(response);
> _resp =3D response;
> _resp.set("Content-Encoding", "gzip");
> }
>
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> // Public methods
> // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
> /**
> * Returns a GZIPOutputStream.
> * @see simple.http.Response#getOutputStream()
> */
> public OutputStream getOutputStream() throws IOException {
> return new GZIPOutputStream(_resp.getOutputStream());
> }
>
> /**
> * Returns a GZIPOutputStream.
> * @see simple.http.Response#getOutputStream(int)
> */
> public OutputStream getOutputStream(int size) throws IOException {
> return new GZIPOutputStream(_resp.getOutputStream(size), size);
> }
>
> /**
> * Returns a GZIPOutputStream wrapped into a PrintStream.
> * @see simple.http.Response#getPrintStream()
> */
> public PrintStream getPrintStream() throws IOException {
> return getPrintStream();
> }
>
> /**
> * Returns a GZIPOutputStream wrapped into a PrintStream.
> * @see simple.http.Response#getPrintStream(int)
> */
> public PrintStream getPrintStream(int size) throws IOException {
> return new PrintStream(getOutputStream(size), false);
> }
>
> /**
> * This represents the status code of the HTTP response. The HTTP
> * response code represents the type of message that is being sent
> * to the client. For a description of the codes see RFC 2616
> * section 10, Status Code Definitions.
> *
> * @return the status code that this HTTP response has
> */
> public int getCode(){
> return _resp.getCode();
> }
>
> /**
> * This method allows the status for the response to be changed.
> * This must be reflected the the response content given to the
> * client. For a description of the codes see RFC 2616 section
> * 10, Status Code Definitions.
> *
> * @param code the new status code for the HTTP response
> */
> public void setCode(int code){
> _resp.setCode(code);
> }
>
> ....
>
> Christophe
> > -----Original Message-----
> > From: sim...@li... [mailto:simpleweb-
> > sup...@li...] On Behalf Of Brian Davis
> > Sent: Tuesday, December 13, 2005 10:20 AM
> > To: sim...@li...
> > Subject: [Simpleweb-Support] HTTP Compression
> >
> > Is there any plans to support gzip or deflate.. or is it there and I
> > am not finding it.. also.. if not why? and.. if not.. any recommends
> > on where to add it..
> >
> > thanks!
> >
> > Brian
> >
> >
> > -------------------------------------------------------
> > This SF.net email is sponsored by: Splunk Inc. Do you grep through log
> > files
> > for problems? Stop! Download the new AJAX search engine that makes
> > searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
> > http://ads.osdn.com/?ad_idv37&alloc_id=16865&op=3Dick
> > _______________________________________________
> > Simpleweb-Support mailing list
> > Sim...@li...
> > https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>
>
>
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc. Do you grep through log fi=
les
> for problems? Stop! Download the new AJAX search engine that makes
> searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
> http://ads.osdn.com/?ad_idv37&alloc_id=16865&opclick
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>
|
|
From: Brian D. <wic...@gm...> - 2005-12-14 19:51:27
|
Hmm... can't seem to get this to work..
also a couple things bother me... first.. in order to do it this way I
won't be able to set the content-length because whatever i set would
be wrong.. also.. compression should be handled at the framework level
if possible.. so.. I was really just wondering why it wasn't
supported... out of the box per-se
anyway.. thanks for the help!
/Brian
On 12/13/05, Brian Davis <wic...@gm...> wrote:
> Hey cool.. I will look at this in a day or two and let you know how it
> goes.. did you guys do anything with deflate or just gzip?
>
> /Brian
>
>
> On 12/13/05, Christophe Roudet <cr...@ac...> wrote:
> > I have done this with a custom ProtocolHandler:
> >
> > public class ServerHandler implements ProtocolHandler {
> > private ProtocolHandler _handler;
> > private static final Logger _logger =3D
> > Logger.getLogger(ServerHandler.class);
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Constructor
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > public ServerHandler(ProtocolHandler handler) {
> > _handler =3D handler;
> > }
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Public methods
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > public void handle(Request req, Response resp) {
> > resp.set("Server", "Simple");
> > resp.setDate("Date", System.currentTimeMillis());
> > // check for compressed request
> > String contentEncoding =3D req.getValue("Content-Encoding");
> > if ((contentEncoding !=3D null)
> > && (contentEncoding.toLowerCase().indexOf("gzip") > -1)) {
> > _logger.debug("Request is zipped.");
> > req =3D new GZipRequest(req, SimpleWeb.BUFFER_SIZE);
> > }
> > // does the client accept compressed response?
> > String acceptEncoding =3D req.getValue("Accept-Encoding");
> > if ((!"GET".equals(req.getMethod())) && (acceptEncoding !=3D null)
> > && (acceptEncoding.toLowerCase().indexOf("gzip") > -1)) {
> > _logger.debug("Response will be zipped.");
> > resp =3D new GZipResponse(resp);
> > }
> > /*
> > * Hand the request over to the real server so that targeted servic=
e can
> > be
> > * executed.
> > */
> > _handler.handle(req, resp);
> > }
> > }
> >
> > --------------------
> > And the GZipRequest and GZipResponse are mainly a wrapper on a request =
where
> > stream getter methods return a GZIP stream:
> >
> >
> > public class GZipRequest implements Request { //extends FilterRequest {
> > private int _size;
> > private Request _req;
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Constructor
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > /**
> > * Wraps the specified request stream into a GZipStream.
> > */
> > public GZipRequest(Request request, int size) {
> > //super(request);
> > _req =3D request;
> > if (size <=3D0) {
> > _size =3D 2048;
> > } else {
> > _size =3D size;
> > }
> > }
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Public methods
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > /**
> > * Returns a GZIPInputStream.
> > */
> > public InputStream getInputStream() throws IOException {
> > return new GZIPInputStream(_req.getInputStream(), _size);
> > }
> >
> > /**
> > * This can be used to get the URI specified for this HTTP
> > * request. This corresponds to the /index part of a
> > * http://www.domain.com/index URL but may contain the full
> > * URL. This can be set using <code>setURI</code>.
> > *
> > * @return the URI that this HTTP request is targeting
> > */
> > public String getURI(){
> > return _req.getURI();
> > }
> >
> > /**
> > * This can be used to set the URI for this HTTP request.
> > * The <code>getURI</code> will return the String entered
> > * which can be a full HTTP URL or a relative path URL.
> > *
> > * @param uri the URI that this HTTP request is to use
> > */
> > public void setURI(String uri){
> > _req.setURI(uri);
> > }
> >
> > /**
> > * This can be used to get the HTTP method for this
> > * request. The HTTP specification RFC 2616 specifies the
> > * HTTP request methods in section 9, Method Definitions.
> > *
> > * @return the request method for this request
> > */
> > public String getMethod(){
> > return _req.getMethod();
> > }
> >
> > ...
> >
> > ------------------
> >
> > public class GZipResponse implements Response { //extends FilterRespons=
e {
> > private Response _resp;
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Constructors
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > /**
> > * Creates a GZipResponse for the specified Response.
> > */
> > public GZipResponse(Response response) {
> > //super(response);
> > _resp =3D response;
> > _resp.set("Content-Encoding", "gzip");
> > }
> >
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > // Public methods
> > // =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> >
> > /**
> > * Returns a GZIPOutputStream.
> > * @see simple.http.Response#getOutputStream()
> > */
> > public OutputStream getOutputStream() throws IOException {
> > return new GZIPOutputStream(_resp.getOutputStream());
> > }
> >
> > /**
> > * Returns a GZIPOutputStream.
> > * @see simple.http.Response#getOutputStream(int)
> > */
> > public OutputStream getOutputStream(int size) throws IOException {
> > return new GZIPOutputStream(_resp.getOutputStream(size), size);
> > }
> >
> > /**
> > * Returns a GZIPOutputStream wrapped into a PrintStream.
> > * @see simple.http.Response#getPrintStream()
> > */
> > public PrintStream getPrintStream() throws IOException {
> > return getPrintStream();
> > }
> >
> > /**
> > * Returns a GZIPOutputStream wrapped into a PrintStream.
> > * @see simple.http.Response#getPrintStream(int)
> > */
> > public PrintStream getPrintStream(int size) throws IOException {
> > return new PrintStream(getOutputStream(size), false);
> > }
> >
> > /**
> > * This represents the status code of the HTTP response. The HTTP
> > * response code represents the type of message that is being sent
> > * to the client. For a description of the codes see RFC 2616
> > * section 10, Status Code Definitions.
> > *
> > * @return the status code that this HTTP response has
> > */
> > public int getCode(){
> > return _resp.getCode();
> > }
> >
> > /**
> > * This method allows the status for the response to be changed.
> > * This must be reflected the the response content given to the
> > * client. For a description of the codes see RFC 2616 section
> > * 10, Status Code Definitions.
> > *
> > * @param code the new status code for the HTTP response
> > */
> > public void setCode(int code){
> > _resp.setCode(code);
> > }
> >
> > ....
> >
> > Christophe
> > > -----Original Message-----
> > > From: sim...@li... [mailto:simpleweb=
-
> > > sup...@li...] On Behalf Of Brian Davis
> > > Sent: Tuesday, December 13, 2005 10:20 AM
> > > To: sim...@li...
> > > Subject: [Simpleweb-Support] HTTP Compression
> > >
> > > Is there any plans to support gzip or deflate.. or is it there and I
> > > am not finding it.. also.. if not why? and.. if not.. any recommends
> > > on where to add it..
> > >
> > > thanks!
> > >
> > > Brian
> > >
> > >
> > > -------------------------------------------------------
> > > This SF.net email is sponsored by: Splunk Inc. Do you grep through lo=
g
> > > files
> > > for problems? Stop! Download the new AJAX search engine that makes
> > > searching your log files as easy as surfing the web. DOWNLOAD SPLUN=
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> > > _______________________________________________
> > > Simpleweb-Support mailing list
> > > Sim...@li...
> > > https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> >
> >
> >
> >
> >
> > -------------------------------------------------------
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> > for problems? Stop! Download the new AJAX search engine that makes
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> > Sim...@li...
> > https://lists.sourceforge.net/lists/listinfo/simpleweb-support
> >
>
|
|
From: Niall G. <gal...@ya...> - 2005-12-14 21:45:58
|
Hi Brian, Take a look a http://zoe.nu, this uses compression with Simple. I did implement compression in Simple, I was not impressed with the performance results and it added complexity I did not need. Also, compression is not always best implemented in the Response object. I am unsure how you are serving content. However encoding in a cache, or file system interface is a good solution. For example: public class GzipContent implements Content { public GzipContent(SomeSource source) { // set up your source } public void write(OutputStream out) { compressedBytes = // get from cache or dynamic source out.write(compressedBytes); } public String getMimeType() { return "text/html; charset=utf-8" } public String getEncoding() { return "gzip"; } } This allows you to use the object to transfer info and meta-data easily, also it gives you more choice in what gets compressed. Niall --- Brian Davis <wic...@gm...> wrote: > Hmm... can't seem to get this to work.. > > also a couple things bother me... first.. in order > to do it this way I > won't be able to set the content-length because > whatever i set would > be wrong.. also.. compression should be handled at > the framework level > if possible.. so.. I was really just wondering why > it wasn't > supported... out of the box per-se > > anyway.. thanks for the help! > > /Brian > > On 12/13/05, Brian Davis <wic...@gm...> > wrote: > > Hey cool.. I will look at this in a day or two and > let you know how it > > goes.. did you guys do anything with deflate or > just gzip? > > > > /Brian > > > > > > On 12/13/05, Christophe Roudet > <cr...@ac...> wrote: > > > I have done this with a custom ProtocolHandler: > > > > > > public class ServerHandler implements > ProtocolHandler { > > > private ProtocolHandler _handler; > > > private static final Logger _logger = > > > Logger.getLogger(ServerHandler.class); > > > > > > // ============= > > > // Constructor > > > // ============= > > > > > > public ServerHandler(ProtocolHandler handler) > { > > > _handler = handler; > > > } > > > > > > // =============== > > > // Public methods > > > // =============== > > > > > > public void handle(Request req, Response resp) > { > > > resp.set("Server", "Simple"); > > > resp.setDate("Date", > System.currentTimeMillis()); > > > // check for compressed request > > > String contentEncoding = > req.getValue("Content-Encoding"); > > > if ((contentEncoding != null) > > > && > (contentEncoding.toLowerCase().indexOf("gzip") > > -1)) { > > > _logger.debug("Request is zipped."); > > > req = new GZipRequest(req, > SimpleWeb.BUFFER_SIZE); > > > } > > > // does the client accept compressed > response? > > > String acceptEncoding = > req.getValue("Accept-Encoding"); > > > if ((!"GET".equals(req.getMethod())) && > (acceptEncoding != null) > > > && > (acceptEncoding.toLowerCase().indexOf("gzip") > -1)) > { > > > _logger.debug("Response will be zipped."); > > > resp = new GZipResponse(resp); > > > } > > > /* > > > * Hand the request over to the real server > so that targeted service can > > > be > > > * executed. > > > */ > > > _handler.handle(req, resp); > > > } > > > } > > > > > > -------------------- > > > And the GZipRequest and GZipResponse are mainly > a wrapper on a request where > > > stream getter methods return a GZIP stream: > > > > > > > > > public class GZipRequest implements Request { > //extends FilterRequest { > > > private int _size; > > > private Request _req; > > > > > > // ============= > > > // Constructor > > > // ============= > > > > > > /** > > > * Wraps the specified request stream into a > GZipStream. > > > */ > > > public GZipRequest(Request request, int size) > { > > > //super(request); > > > _req = request; > > > if (size <=0) { > > > _size = 2048; > > > } else { > > > _size = size; > > > } > > > } > > > > > > // =============== > > > // Public methods > > > // =============== > > > > > > /** > > > * Returns a GZIPInputStream. > > > */ > > > public InputStream getInputStream() throws > IOException { > > > return new > GZIPInputStream(_req.getInputStream(), _size); > > > } > > > > > > /** > > > * This can be used to get the URI specified > for this HTTP > > > * request. This corresponds to the /index > part of a > > > * http://www.domain.com/index URL but may > contain the full > > > * URL. This can be set using > <code>setURI</code>. > > > * > > > * @return the URI that this HTTP request is > targeting > > > */ > > > public String getURI(){ > > > return _req.getURI(); > > > } > > > > > > /** > > > * This can be used to set the URI for this > HTTP request. > > > * The <code>getURI</code> will return the > String entered > > > * which can be a full HTTP URL or a relative > path URL. > > > * > > > * @param uri the URI that this HTTP request > is to use > > > */ > > > public void setURI(String uri){ > > > _req.setURI(uri); > > > } > > > > > > /** > > > * This can be used to get the HTTP method for > this > > > * request. The HTTP specification RFC 2616 > specifies the > > > * HTTP request methods in section 9, Method > Definitions. > > > * > > > * @return the request method for this request > > > */ > > > public String getMethod(){ > > > return _req.getMethod(); > > > } > > > > > > ... > > > > > > ------------------ > > > > > > public class GZipResponse implements Response { > //extends FilterResponse { > > > private Response _resp; > > > > > > // ============= > > > // Constructors > > > // ============= > > > > > > /** > > > * Creates a GZipResponse for the specified > Response. > > > */ > > > public GZipResponse(Response response) { > > > //super(response); > > > _resp = response; > > > _resp.set("Content-Encoding", "gzip"); > > > } > > > > > > // ============== > > > // Public methods > > > // =============== > === message truncated === Niall Gallagher __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com |
|
From: petite_abeille <pet...@ma...> - 2005-12-17 13:27:54
|
Hello, On Dec 14, 2005, at 22:45, Niall Gallagher wrote: > Take a look a http://zoe.nu, this uses compression > with Simple. ZO=CB uses a very straightforward approach: http://dev.alt.textdrive.com/file/ZOE/Frameworks/SZApp/=20 SZContentEncoder.java For something slightly more sophisticated (including conditional =20 responses), take a look at LWResponse:handleContent(): http://dev.alt.textdrive.com/file/LW/LWResponse.lua > I did implement compression in Simple, I > was not impressed with the performance results and it > added complexity I did not need. =46rom my personal experience, response compression do make sense when =20= the network bandwidth is either a bottleneck or a significant monetary =20= cost of running your application. Or both :) Of course, your mileage =20= may vary according to your particular circumstances. Regarding if this should be supported by an HTTP framework =20 "out-of-the-box", I would venture that yes, it should :) "The third principle is that web.py should, by default, do the right =20 thing by the Web" [sic] -- Aaron Swartz, "Rewriting Reddit", December 6 2005 http://www.aaronsw.com/weblog/rewritingreddit As Spike Lee might have said [1], "doing the right thing" would include =20= handling most, if not all, the drudgery of HTTP mannerisms. Cheers -- PA, Onnay Equitursay http://alt.textdrive.com/ [1] http://www.imdb.com/title/tt0097216/ |
|
From: Brian D. <wic...@gm...> - 2005-12-18 19:00:53
|
Hi.. thanks for the input.. current results below...
public void test1006() throws Exception
{
File dir =3D new File("test/carol");
File[] list =3D dir.listFiles();
for (int i =3D 0; i < list.length; i++)
{
File tmp =3D list[i];
String path =3D tmp.getAbsolutePath();
int x =3D path.lastIndexOf('/');
if (x !=3D -1)
{
path =3D path.substring(x+1);
}
HttpClient client =3D new HttpClient();
HttpMethod method =3D new
GetMethod("http://127.0.0.1:2000/carol/" + path);
try
{
int status =3D client.executeMethod(method);
byte[] body =3D method.getResponseBody();
Assert.assertTrue(status =3D=3D 200);
}
catch (Exception ex)
{
throw ex;
}
finally
{
method.releaseConnection();
}
}
}
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/contents.doc
HTTP/1.1" 200 19968 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/contents.html
HTTP/1.1" 200 607 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/contents.pdf
HTTP/1.1" 200 8140 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/contents.txt
HTTP/1.1" 200 188 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/preface.doc
HTTP/1.1" 200 19968 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/preface.html
HTTP/1.1" 200 830 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/preface.pdf
HTTP/1.1" 200 8467 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/preface.txt
HTTP/1.1" 200 366 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave1.doc
HTTP/1.1" 200 88064 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave1.html
HTTP/1.1" 200 38755 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave1.pdf
HTTP/1.1" 200 76956 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave1.txt
HTTP/1.1" 200 37092 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave2.doc
HTTP/1.1" 200 80896 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave2.html
HTTP/1.1" 200 36186 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave2.pdf
HTTP/1.1" 200 67731 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave2.txt
HTTP/1.1" 200 34739 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave3.doc
HTTP/1.1" 200 100352 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave3.html
HTTP/1.1" 200 48604 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:57 -0000] "GET /carol/stave3.pdf
HTTP/1.1" 200 85185 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave3.txt
HTTP/1.1" 200 47176 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave4.doc
HTTP/1.1" 200 74240 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave4.html
HTTP/1.1" 200 31303 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave4.pdf
HTTP/1.1" 200 62070 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave4.txt
HTTP/1.1" 200 29757 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave5.doc
HTTP/1.1" 200 38400 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave5.html
HTTP/1.1" 200 13697 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave5.pdf
HTTP/1.1" 200 31047 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/stave5.txt
HTTP/1.1" 200 12818 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/title.doc
HTTP/1.1" 200 19968 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/title.html
HTTP/1.1" 200 447 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/title.pdf
HTTP/1.1" 200 8150 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/title.txt
HTTP/1.1" 200 88 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
// test gzip
public void test7001() throws Exception
{
File dir =3D new File("test/carol");
File[] list =3D dir.listFiles();
for (int i =3D 0; i < list.length; i++)
{
File tmp =3D list[i];
String path =3D tmp.getAbsolutePath();
int x =3D path.lastIndexOf('/');
if (x !=3D -1)
{
path =3D path.substring(x+1);
}
HttpClient client =3D new HttpClient();
HttpMethod method =3D new
GetMethod("http://127.0.0.1:2000/carol/" + path);
method.setRequestHeader("Accept-Encoding", "gzip");
try
{
int status =3D client.executeMethod(method);
byte[] body =3D method.getResponseBody();
if (method.getResponseHeader("Content-Encoding") !=3D
null && method.getResponseHeader("Content-Encoding").getValue().equals("gzi=
p"))
{
System.err.println("GZIP MY FRIEND " + path);
GZIPInputStream in =3D new GZIPInputStream(new
ByteArrayInputStream(body));
byte[] decoded =3D new
byte[Integer.parseInt(method.getResponseHeader("Content-Length").getValue()=
)];
in.read(decoded, 0, decoded.length);
}
Assert.assertTrue(status =3D=3D 200);
}
catch (Exception ex)
{
throw ex;
}
finally
{
method.releaseConnection();
}
}
}
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/contents.doc
HTTP/1.1" 200 2043 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:58 -0000] "GET /carol/contents.html
HTTP/1.1" 200 379 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/contents.pdf
HTTP/1.1" 200 2900 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/contents.txt
HTTP/1.1" 200 124 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/preface.doc
HTTP/1.1" 200 2171 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/preface.html
HTTP/1.1" 200 541 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/preface.pdf
HTTP/1.1" 200 3158 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/preface.txt
HTTP/1.1" 200 250 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/stave1.doc
HTTP/1.1" 200 23319 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:52:59 -0000] "GET /carol/stave1.html
HTTP/1.1" 200 16154 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave1.pdf
HTTP/1.1" 200 45454 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave1.txt
HTTP/1.1" 200 15662 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave2.doc
HTTP/1.1" 200 21556 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave2.html
HTTP/1.1" 200 15066 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave2.pdf
HTTP/1.1" 200 40428 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave2.txt
HTTP/1.1" 200 14623 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave3.doc
HTTP/1.1" 200 27909 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave3.html
HTTP/1.1" 200 20182 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave3.pdf
HTTP/1.1" 200 51863 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave3.txt
HTTP/1.1" 200 19720 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave4.doc
HTTP/1.1" 200 19062 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave4.pdf
HTTP/1.1" 200 36394 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave4.html
HTTP/1.1" 200 13008 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave4.txt
HTTP/1.1" 200 12568 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave5.doc
HTTP/1.1" 200 8748 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave5.html
HTTP/1.1" 200 5980 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave5.txt
HTTP/1.1" 200 5619 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/stave5.pdf
HTTP/1.1" 200 17410 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:00 -0000] "GET /carol/title.doc
HTTP/1.1" 200 2033 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:01 -0000] "GET /carol/title.html
HTTP/1.1" 200 340 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:01 -0000] "GET /carol/title.pdf
HTTP/1.1" 200 2885 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
127.0.0.1 - - [18/Dec/2005:18:53:01 -0000] "GET /carol/title.txt
HTTP/1.1" 200 88 "" "Jakarta Commons-HttpClient/3.0-rc4"
127.0.0.1:2000
public class GZipEncoder
{
public GZipEncoder(Request req, Response res)
{
_req =3D req;
_res =3D res;
}
public byte[] encode(byte[] data)
{
if (String.valueOf(_req.getValue("Accept-Encoding")).toLowerCase().=
indexOf("gzip")
!=3D -1)
{
ByteArrayOutputStream bout =3D new ByteArrayOutputStream();
GZIPOutputStream out =3D null;
try
{
out =3D new GZIPOutputStream(bout);
out.write(data, 0, data.length);
out.finish();
}
catch (Exception ex)
{
}
finally
{
try
{
out.close();
}
catch (Exception ex)
{
}
}
byte[] tmp =3D bout.toByteArray();
if (tmp.length < data.length)
{
_res.set("Content-Encoding", "gzip");
_res.set("Vary", "Accept-Encoding");
return tmp;
}
}
return data;
}
private Request _req;
private Response _res;
}
public final class GZipFileResource extends ContentResource {
public GZipFileResource(Context context, String target){
super(context, target);
}
protected void process(Request req, Response resp)throws Exception {
if(req.getDate("If-Modified-Since")< getLastModified()){
resp.setDate("Date", System.currentTimeMillis());
resp.setDate("Last-Modified",getLastModified());
resp.set("Content-Type",type);
ByteArrayOutputStream bout =3D new ByteArrayOutputStream();
write(bout);
GZipEncoder encoder =3D new GZipEncoder(req, resp);
byte[] data =3D encoder.encode(bout.toByteArray());
resp.setContentLength(data.length);
if (req.getMethod().equals("HEAD"))
{
resp.commit();
}
else if (req.getMethod().equals("GET"))
{
resp.getOutputStream().write(data, 0, data.length);
resp.getOutputStream().close();
}
else
{
handle(req,resp,501);
}
}else {
handle(req,resp,304);
}
}
}
/hear's the beegee's
On 12/17/05, petite_abeille <pet...@ma...> wrote:
> Hello,
>
> On Dec 14, 2005, at 22:45, Niall Gallagher wrote:
>
> > Take a look a http://zoe.nu, this uses compression
> > with Simple.
>
> ZO=CB uses a very straightforward approach:
>
> http://dev.alt.textdrive.com/file/ZOE/Frameworks/SZApp/
> SZContentEncoder.java
>
> For something slightly more sophisticated (including conditional
> responses), take a look at LWResponse:handleContent():
>
> http://dev.alt.textdrive.com/file/LW/LWResponse.lua
>
> > I did implement compression in Simple, I
> > was not impressed with the performance results and it
> > added complexity I did not need.
>
> From my personal experience, response compression do make sense when
> the network bandwidth is either a bottleneck or a significant monetary
> cost of running your application. Or both :) Of course, your mileage
> may vary according to your particular circumstances.
>
> Regarding if this should be supported by an HTTP framework
> "out-of-the-box", I would venture that yes, it should :)
>
> "The third principle is that web.py should, by default, do the right
> thing by the Web" [sic]
> -- Aaron Swartz, "Rewriting Reddit", December 6 2005
> http://www.aaronsw.com/weblog/rewritingreddit
>
> As Spike Lee might have said [1], "doing the right thing" would include
> handling most, if not all, the drudgery of HTTP mannerisms.
>
> Cheers
>
> --
> PA, Onnay Equitursay
> http://alt.textdrive.com/
>
> [1] http://www.imdb.com/title/tt0097216/
>
>
>
>
>
>
>
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc. Do you grep through log fi=
les
> for problems? Stop! Download the new AJAX search engine that makes
> searching your log files as easy as surfing the web. DOWNLOAD SPLUNK!
> http://ads.osdn.com/?ad_idv37&alloc_id=16865&opclick
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>
|
|
From: Carfield Y. <car...@ca...> - 2006-01-14 04:28:42
|
Try to implement HTTP compression, it work fine at all browser I've
accessable: safari, firefox, opera, internet explorer. However, there
are still socket exception and I don't know why:
java.io.IOException: Stream closed
at simple.http.MonitoredOutputStream.ensureOpen(Unknown Source)
at simple.http.MonitoredOutputStream.write(Unknown Source)
at simple.http.ResponseStream.write(Unknown Source)
at java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:95)
at java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.jav=
a:141)
at hk.com.carfield.web.simple.Controller.rawDisplay(Controller.java:=
126)
at hk.com.carfield.web.simple.Controller.handleRequest(Controller.ja=
va:64)
at hk.com.carfield.web.simple.Controller.process(Controller.java:137=
)
at simple.http.serve.BasicResource.handle(Unknown Source)
at simple.http.serve.ResourceProcessor.handle(Unknown Source)
at simple.http.Dispatcher.run(Unknown Source)
at simple.util.process.Daemon.execute(Unknown Source)
at simple.util.process.Daemon.run(Unknown Source)
And method rawDisplay is just a method to show the file content directly:
=09private void rawDisplay(Response res, File location) throws IOException,
=09=09=09FileNotFoundException {
=09=09res.set("Content-Encoding", "gzip");
=09=09res.set("Vary", "Accept-Encoding");
=09=09if (location.isFile()) {
=09=09=09final InputStream is =3D new FileInputStream(location);
=09=09=09final OutputStream os =3D res.getOutputStream();
=09=09=09OutputStream gos =3D null;
=09=09=09try {
=09=09=09=09gos =3D new GZIPOutputStream(os);
=09=09=09=09final String mime =3D context.getMimeType(location.getName());
=09=09=09=09res.set("Content-Type", mime);
=09=09=09=09IOUtils.copy(is, gos);
=09=09=09} finally {
=09=09=09=09is.close();
=09=09=09=09if(gos !=3D null)
=09=09=09=09=09gos.close();
=09=09=09=09else
=09=09=09=09=09os.close();
=09=09=09}
=09=09}
=09}
The other exception is:
java.lang.RuntimeException: java.io.IOException: Stream closed
at hk.com.carfield.web.simple.Controller.setDocument(Controller.java=
:100)
at hk.com.carfield.web.simple.Controller.handleRequest(Controller.ja=
va:69)
at hk.com.carfield.web.simple.Controller.process(Controller.java:137=
)
at simple.http.serve.BasicResource.handle(Unknown Source)
at simple.http.serve.ResourceProcessor.handle(Unknown Source)
at simple.http.Dispatcher.run(Unknown Source)
at simple.util.process.Daemon.execute(Unknown Source)
at simple.util.process.Daemon.run(Unknown Source)
Caused by: java.io.IOException: Stream closed
at simple.http.MonitoredOutputStream.ensureOpen(Unknown Source)
at simple.http.MonitoredOutputStream.write(Unknown Source)
at simple.http.ResponseStream.write(Unknown Source)
at java.io.OutputStream.write(OutputStream.java:58)
at java.util.zip.GZIPOutputStream.writeHeader(GZIPOutputStream.java:=
123)
at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:48)
at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:58)
at hk.com.carfield.web.simple.Controller.setDocument(Controller.java=
:97)
... 7 more
=09private void setDocument(Response response,
=09=09=09Document document) throws IOException {
=09=09res.set("Content-Encoding", "gzip");
=09=09res.set("Vary", "Accept-Encoding");
=09=09final OutputStream os =3D response.getOutputStream();
=09=09OutputStream gos =3D null;
=09=09try {
=09=09=09gos =3D new GZIPOutputStream(os);
=09=09=09document.write(gos);
=09=09} catch (Exception e) {
=09=09=09throw new RuntimeException(e);
=09=09} finally {
=09=09=09if(gos !=3D null)
=09=09=09=09gos.close();
=09=09=09else
=09=09=09=09os.close();
=09=09}
=09}
Anyone have any idea?
|
|
From: Niall G. <gal...@ya...> - 2006-01-14 10:34:13
|
Hi Carfield,
It seems as if the client has asynchronously closed
the connection, either due to a browser refresh or
perhaps some other I/O event. To investigate this
further edit the MonitoredOutputStream.java source for
Simple.
Modify the destroy() method to become
destroy(IOException e) and pass all exceptions to the
destroy method. The you can throw these exceptions,
which contain the specific error....this is something
I should have done from the out set. For example:
protected void destroy(IOException cause) throws
IOException {
if(open) {
open = false;
}
throw cause;
}
This will provide the exact stack trace.
Niall
--- Carfield Yim <car...@ca...> wrote:
> Try to implement HTTP compression, it work fine at
> all browser I've
> accessable: safari, firefox, opera, internet
> explorer. However, there
> are still socket exception and I don't know why:
>
>
> java.io.IOException: Stream closed
> at
> simple.http.MonitoredOutputStream.ensureOpen(Unknown
> Source)
> at
> simple.http.MonitoredOutputStream.write(Unknown
> Source)
> at simple.http.ResponseStream.write(Unknown
> Source)
> at
>
java.util.zip.GZIPOutputStream.finish(GZIPOutputStream.java:95)
> at
>
java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.java:141)
> at
>
hk.com.carfield.web.simple.Controller.rawDisplay(Controller.java:126)
> at
>
hk.com.carfield.web.simple.Controller.handleRequest(Controller.java:64)
> at
>
hk.com.carfield.web.simple.Controller.process(Controller.java:137)
> at
> simple.http.serve.BasicResource.handle(Unknown
> Source)
> at
> simple.http.serve.ResourceProcessor.handle(Unknown
> Source)
> at simple.http.Dispatcher.run(Unknown Source)
> at simple.util.process.Daemon.execute(Unknown
> Source)
> at simple.util.process.Daemon.run(Unknown
> Source)
>
> And method rawDisplay is just a method to show the
> file content directly:
>
>
> private void rawDisplay(Response res, File
> location) throws IOException,
> FileNotFoundException {
> res.set("Content-Encoding", "gzip");
> res.set("Vary", "Accept-Encoding");
> if (location.isFile()) {
> final InputStream is = new
> FileInputStream(location);
> final OutputStream os = res.getOutputStream();
> OutputStream gos = null;
> try {
> gos = new GZIPOutputStream(os);
> final String mime =
> context.getMimeType(location.getName());
> res.set("Content-Type", mime);
> IOUtils.copy(is, gos);
> } finally {
> is.close();
> if(gos != null)
> gos.close();
> else
> os.close();
> }
> }
> }
>
>
> The other exception is:
>
> java.lang.RuntimeException: java.io.IOException:
> Stream closed
> at
>
hk.com.carfield.web.simple.Controller.setDocument(Controller.java:100)
> at
>
hk.com.carfield.web.simple.Controller.handleRequest(Controller.java:69)
> at
>
hk.com.carfield.web.simple.Controller.process(Controller.java:137)
> at
> simple.http.serve.BasicResource.handle(Unknown
> Source)
> at
> simple.http.serve.ResourceProcessor.handle(Unknown
> Source)
> at simple.http.Dispatcher.run(Unknown Source)
> at simple.util.process.Daemon.execute(Unknown
> Source)
> at simple.util.process.Daemon.run(Unknown
> Source)
> Caused by: java.io.IOException: Stream closed
> at
> simple.http.MonitoredOutputStream.ensureOpen(Unknown
> Source)
> at
> simple.http.MonitoredOutputStream.write(Unknown
> Source)
> at simple.http.ResponseStream.write(Unknown
> Source)
> at
> java.io.OutputStream.write(OutputStream.java:58)
> at
>
java.util.zip.GZIPOutputStream.writeHeader(GZIPOutputStream.java:123)
> at
>
java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:48)
> at
>
java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:58)
> at
>
hk.com.carfield.web.simple.Controller.setDocument(Controller.java:97)
> ... 7 more
>
>
> private void setDocument(Response response,
> Document document) throws IOException {
> res.set("Content-Encoding", "gzip");
> res.set("Vary", "Accept-Encoding");
> final OutputStream os =
> response.getOutputStream();
> OutputStream gos = null;
> try {
> gos = new GZIPOutputStream(os);
> document.write(gos);
> } catch (Exception e) {
> throw new RuntimeException(e);
> } finally {
> if(gos != null)
> gos.close();
> else
> os.close();
> }
> }
>
> Anyone have any idea?
>
>
>
-------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc. Do
> you grep through log files
> for problems? Stop! Download the new AJAX search
> engine that makes
> searching your log files as easy as surfing the
> web. DOWNLOAD SPLUNK!
> http://ads.osdn.com/?ad_idv37&alloc_id865&op=click
> _______________________________________________
> Simpleweb-Support mailing list
> Sim...@li...
>
https://lists.sourceforge.net/lists/listinfo/simpleweb-support
>
Niall Gallagher
__________________________________________________
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|
|
From: Carfield Y. <car...@gm...> - 2006-01-15 17:49:39
|
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From: Carfield Y. <car...@ca...> - 2006-01-15 17:51:35
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I see, however, once I put the change and compile... I get a very strangle problem: clean: [delete] Deleting directory /Users/carfield/Desktop/simple-2.8.1/build [delete] Deleting directory /Users/carfield/Desktop/simple-2.8.1/jar prepare: [mkdir] Created dir: /Users/carfield/Desktop/simple-2.8.1/build [mkdir] Created dir: /Users/carfield/Desktop/simple-2.8.1/jar build: [javac] Compiling 258 source files to /Users/carfield/Desktop/simple-2.8.1/build [javac] /Users/carfield/Desktop/simple-2.8.1/src/simple/http/MonitoredOu= tputStream.java:1: 'class' or 'interface' expected [javac] /* [javac] ^ [javac] /Users/carfield/Desktop/simple-2.8.1/src/simple/http/MonitoredOu= tputStream.java:23: 'class' or 'interface' expected [javac] import java.io.OutputStream; [javac] ^ [javac] /Users/carfield/Desktop/simple-2.8.1/src/simple/http/MonitoredOu= tputStream.java:24: 'class' or 'interface' expected [javac] import java.io.IOException; [javac] ^ [javac] 3 errors The class is simple and I have totally no idea about this... BTW, I just double check with my old servlet version of implementation, there is similar problem, but I just ignore all that time. However, when I writing application at work, I never experience this... - Sho |
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