1. Point to a perMessageDeflate example in the wiki;

dota17 · dota17 · commit 7b760076a817 · 2020-07-24T09:30:46.000+08:00
2. Reference each section here for setter and getter;
diff --git a/README.markdown b/README.markdown
@@ -16,6 +16,7 @@ Implemented WebSocket protocol versions are:
  * [RFC 7692](http://tools.ietf.org/html/rfc7692)
 
 [Here](https://github.com/TooTallNate/Java-WebSocket/wiki/Drafts) some more details about protocol versions/drafts. 
+[PerMessageDeflateExample](https://github.com/TooTallNate/Java-WebSocket/wiki/PerMessageDeflateExample) enable the extension with reference to both a server and client example. 
 
 
 ## Getting Started
diff --git a/src/main/java/org/java_websocket/extensions/permessage_deflate/PerMessageDeflateExtension.java b/src/main/java/org/java_websocket/extensions/permessage_deflate/PerMessageDeflateExtension.java
@@ -49,9 +49,26 @@ public class PerMessageDeflateExtension extends CompressionExtension {
     // For WebSocketServers, this variable holds the extension parameters that the peer client has requested.
     // For WebSocketClients, this variable holds the extension parameters that client himself has requested.
     private Map<String, String> requestedParameters = new LinkedHashMap<String, String>();
+
     private Inflater inflater = new Inflater(true);
     private Deflater deflater = new Deflater(Deflater.DEFAULT_COMPRESSION, true);
 
+    public Inflater getInflater() {
+        return inflater;
+    }
+
+    public void setInflater(Inflater inflater) {
+        this.inflater = inflater;
+    }
+
+    public Deflater getDeflater() {
+        return deflater;
+    }
+
+    public void setDeflater(Deflater deflater) {
+        this.deflater = deflater;
+    }
+
     /**
      *
      * @return serverNoContextTakeover
@@ -141,7 +158,7 @@ We can check the getRemaining() method to see whether the data we supplied has b
 
     /**
      *
-     * @param data the bytes of date
+     * @param data the bytes of data
      * @param outputBuffer the output stream
      * @throws DataFormatException
      */
diff --git a/src/test/java/org/java_websocket/extensions/PerMessageDeflateExtensionTest.java b/src/test/java/org/java_websocket/extensions/PerMessageDeflateExtensionTest.java
@@ -7,6 +7,8 @@
 import org.junit.Test;
 
 import java.nio.ByteBuffer;
+import java.util.zip.Deflater;
+import java.util.zip.Inflater;
 
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -154,4 +156,30 @@ public void testCopyInstance() {
         IExtension newDeflateExtension = deflateExtension.copyInstance();
         assertEquals(deflateExtension.toString(), newDeflateExtension.toString());
     }
+
+    @Test
+    public void testGetInflater() {
+        PerMessageDeflateExtension deflateExtension = new PerMessageDeflateExtension();
+        assertEquals(deflateExtension.getInflater(), new Inflater(true));
+    }
+
+    @Test
+    public void testSetInflater() {
+        PerMessageDeflateExtension deflateExtension = new PerMessageDeflateExtension();
+        deflateExtension.setInflater(new Inflater(false));
+        assertEquals(deflateExtension.getInflater(), new Inflater(false));
+    }
+
+    @Test
+    public void testGetDeflater() {
+        PerMessageDeflateExtension deflateExtension = new PerMessageDeflateExtension();
+        assertEquals(deflateExtension.getDeflater(), new Deflater(Deflater.DEFAULT_COMPRESSION, true));
+    }
+
+    @Test
+    public void testSetDeflater() {
+        PerMessageDeflateExtension deflateExtension = new PerMessageDeflateExtension();
+        deflateExtension.setDeflater(new Deflater(Deflater.DEFAULT_COMPRESSION, false));
+        assertEquals(deflateExtension.getDeflater(), new Deflater(Deflater.DEFAULT_COMPRESSION, false));
+    }
 }
