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Now sets Vary header. Minor code clean up & fixes.

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This commit is contained in:
Harald Kuhr 2012-06-21 10:55:14 +02:00
parent 4db12d313b
commit 75c09d3aef
2 changed files with 20 additions and 23 deletions
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1
servlet/src/main/java/com/twelvemonkeys/servlet/gzip/GZIPFilter.java
View File

@ -122,7 +122,6 @@ public class GZIPFilter extends GenericFilter {
String accept = request.getHeader("Accept-Encoding");
if (accept != null && accept.contains("gzip")) {
//System.out.println("GZIP supported, compressing.");
// TODO: Set Vary: Accept-Encoding ?!
GZIPResponseWrapper wrapped = new GZIPResponseWrapper(response);
try {

42
servlet/src/main/java/com/twelvemonkeys/servlet/gzip/GZIPResponseWrapper.java
View File

@ -51,6 +51,8 @@ import java.util.zip.GZIPOutputStream;
* @version $Id: GZIPResponseWrapper.java#1 $
*/
public class GZIPResponseWrapper extends HttpServletResponseWrapper {
// TODO: Remove/update ETags if needed? Read the spec (RFC 2616) on Vary/ETag for caching
protected ServletOutputStream out;
protected PrintWriter writer;
protected GZIPOutputStream gzipOut;
@ -58,7 +60,9 @@ public class GZIPResponseWrapper extends HttpServletResponseWrapper {
public GZIPResponseWrapper(final HttpServletResponse response) {
super(response);
response.addHeader("Content-Encoding", "gzip");
response.addHeader("Vary", "Accept");
}
public ServletOutputStream createOutputStream() throws IOException {
@ -76,31 +80,25 @@ public class GZIPResponseWrapper extends HttpServletResponseWrapper {
}
// TODO: Move this to flushbuffer or something? Hmmm..
public void flushResponse() {
public void flushResponse() throws IOException {
try {
try {
// Finish GZIP encodig
if (gzipOut != null) {
gzipOut.finish();
}
// Finish GZIP encodig
if (gzipOut != null) {
gzipOut.finish();
}
flushBuffer();
}
finally {
// Close stream
if (writer != null) {
writer.close();
}
else {
if (out != null) {
out.close();
}
}
}
flushBuffer();
}
catch (IOException e) {
// TODO: Fix this one...
e.printStackTrace();
finally {
// Close stream
if (writer != null) {
writer.close();
}
else {
if (out != null) {
out.close();
}
}
}
}