HTTPCLIENT-1461: fixes performance degradation in gzip encoded content processing introduced by HTTPCLIENT-1432

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1569324 13f79535-47bb-0310-9956-ffa450edef68

RELEASE_NOTES.txt

@@ -4,6 +4,10 @@ Changes for 4.4-alpha1
 Changelog:
 -------------------
 
+* [HTTPCLIENT-1461] fixed performance degradation in gzip encoded content processing
+  introduced by HTTPCLIENT-1432.
+  Contributed by Oleg Kalnichevski <olegk at apache.org>
+
 * [HTTPCLIENT-1457] Incorrect handling of Windows (NT) credentials by
   SystemDefaultCredentialsProvider.
   Contributed by Oleg Kalnichevski <olegk at apache.org>

httpclient/src/main/java/org/apache/http/client/entity/LazyDecompressingInputStream.java

@@ -50,30 +50,56 @@ class LazyDecompressingInputStream extends InputStream {
         this.decompressingEntity = decompressingEntity;
     }
 
+    private void initWrapper() throws IOException {
+        if (wrapperStream == null) {
+            wrapperStream = decompressingEntity.decorate(wrappedStream);
+        }
+    }
+
     @Override
     public int read() throws IOException {
         initWrapper();
         return wrapperStream.read();
     }
 
+    @Override
+    public int read(final byte[] b) throws IOException {
+        initWrapper();
+        return wrapperStream.read(b);
+    }
+
+    @Override
+    public int read(final byte[] b, final int off, final int len) throws IOException {
+        initWrapper();
+        return wrapperStream.read(b, off, len);
+    }
+
+    @Override
+    public long skip(final long n) throws IOException {
+        initWrapper();
+        return wrapperStream.skip(n);
+    }
+
+    @Override
+    public boolean markSupported() {
+        return false;
+    }
+
     @Override
     public int available() throws IOException {
         initWrapper();
         return wrapperStream.available();
     }
 
-    private void initWrapper() throws IOException {
-        if (wrapperStream == null) {
-            wrapperStream = decompressingEntity.decorate(wrappedStream);
-        }
-    }
-
     @Override
     public void close() throws IOException {
+        try {
             if (wrapperStream != null) {
                 wrapperStream.close();
             }
+        } finally {
             wrappedStream.close();
         }
+    }
 
 }