sf_daq/ch.psi.daq.queryrest#1

- implementing logic to implement the 'compression' attribute
- adjusting tests
- updating readme.md

src/main/java/ch/psi/daq/queryrest/response/AbstractResponseStreamWriter.java

@@ -4,7 +4,6 @@
 package ch.psi.daq.queryrest.response;
 
 import java.io.OutputStream;
-import java.util.zip.GZIPOutputStream;
 
 import javax.servlet.http.HttpServletResponse;
 
@@ -44,8 +43,8 @@ public abstract class AbstractResponseStreamWriter implements ResponseStreamWrit
       response.addHeader("Content-Type", contentType);
       if (query.isCompressed()) {
          response.addHeader("Content-Disposition", "attachment; filename=data.gz");
-         response.addHeader("Content-Encoding", "gzip");
-         out = new GZIPOutputStream(out);
+         response.addHeader("Content-Encoding", query.getCompression().toString());
+         out = query.getCompression().wrapStream(out);
       } else {
          response.addHeader("Content-Disposition", "attachment; filename=data.csv");
       }