Fixes #1434 - Improve properties in jetty-gzip.xml.

Added properties for syncFlush, includedMethodList and excludedMethodList.

jetty-server/src/main/config/etc/jetty-gzip.xml

@@ -16,6 +16,7 @@
         <Set name="checkGzExists"><Property name="jetty.gzip.checkGzExists" deprecated="gzip.checkGzExists" default="false"/></Set>
         <Set name="compressionLevel"><Property name="jetty.gzip.compressionLevel" deprecated="gzip.compressionLevel" default="-1"/></Set>
         <Set name="inflateBufferSize"><Property name="jetty.gzip.inflateBufferSize" default="0"/></Set>
+        <Set name="syncFlush"><Property name="jetty.gzip.syncFlush" default="false" /></Set>
 
         <Set name="excludedAgentPatterns">
           <Array type="String">
@@ -23,43 +24,40 @@
           </Array>
         </Set>
 
+        <Set name="includedMethodList"><Property name="jetty.gzip.includedMethodList" default="GET" /></Set>
+        <Set name="excludedMethodList"><Property name="jetty.gzip.excludedMethodList" default="" /></Set>
+
+<!--
         <Set name="includedMethods">
           <Array type="String">
             <Item>GET</Item>
           </Array>
         </Set>
 
-	<!--
         <Set name="includedPaths">
           <Array type="String">
             <Item>/*</Item>
           </Array>
         </Set>
-	-->
 
-	<!--
         <Set name="excludedPaths">
           <Array type="String">
             <Item>*.gz</Item>
           </Array>
         </Set>
-	-->
 
-	<!--
         <Call name="addIncludedMimeTypes">
           <Arg><Array type="String">
             <Item>some/type</Item>
           </Array></Arg>
         </Call>
-	-->
 
-	<!--
         <Call name="addExcludedMimeTypes">
           <Arg><Array type="String">
             <Item>some/type</Item>
           </Array></Arg>
         </Call>
-	-->
+-->
 
       </New>
     </Arg>

jetty-server/src/main/config/modules/gzip.mod

@@ -26,3 +26,9 @@ etc/jetty-gzip.xml
 
 ## Inflate request buffer size, or 0 for no request inflation
 # jetty.gzip.inflateBufferSize=0
+
+## Comma separated list of included methods
+# jetty.gzip.includedMethodList=GET
+
+## Comma separated list of excluded methods
+# jetty.gzip.excludedMethodList=

jetty-server/src/main/java/org/eclipse/jetty/server/handler/gzip/GzipHandler.java

@@ -672,4 +672,24 @@ public class GzipHandler extends HandlerWrapper implements GzipFactory
     {
         _minGzipSize = minGzipSize;
     }
+
+    public void setIncludedMethodList(String csvMethods)
+    {
+        setIncludedMethods(StringUtil.csvSplit(csvMethods));
+    }
+
+    public String getIncludedMethodList()
+    {
+        return String.join(",", getIncludedMethods());
+    }
+
+    public void setExcludedMethodList(String csvMethods)
+    {
+        setExcludedMethods(StringUtil.csvSplit(csvMethods));
+    }
+
+    public String getExcludedMethodList()
+    {
+        return String.join(",", getExcludedMethods());
+    }
 }