Added BlackholeHttpResponseHandler for when you want to ignore response to your request, android-async-http#416

Author: smarek

CHANGELOG.md

@@ -10,6 +10,7 @@
   - Regression fix on onProgress(int,int) documentation
   - Sample application now can be built with LeakCanary, use i.e. `gradle :sample:installWithLeakCanaryDebug` to use it
   - Updated RequestParams documentation on handling arrays, sets and maps, along with new RequestParamsDebug sample
+  - Added BlackholeHttpResponseHandler implementation, which discards all response contents and silents all various log messages (see #416)
 
 ## 1.4.7 (released 9. 5. 2015)
 

library/src/main/java/com/loopj/android/http/BlackholeHttpResponseHandler.java

@@ -0,0 +1,64 @@
+package com.loopj.android.http;
+
+import org.apache.http.Header;
+import org.apache.http.HttpResponse;
+
+/**
+ * Blank implementation of ResponseHandlerInterface, which ignores all contents returned by
+ * remote HTTP endpoint, and discards all various log messages
+ * <p>&nbsp;</p>
+ * Use this implementation, if you deliberately want to ignore all response, because you cannot
+ * pass null ResponseHandlerInterface into AsyncHttpClient implementation
+ */
+public class BlackholeHttpResponseHandler extends AsyncHttpResponseHandler {
+
+    @Override
+    public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) {
+
+    }
+
+    @Override
+    public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) {
+
+    }
+
+    @Override
+    public void onProgress(long bytesWritten, long totalSize) {
+
+    }
+
+    @Override
+    public void onCancel() {
+
+    }
+
+    @Override
+    public void onFinish() {
+
+    }
+
+    @Override
+    public void onPostProcessResponse(ResponseHandlerInterface instance, HttpResponse response) {
+
+    }
+
+    @Override
+    public void onPreProcessResponse(ResponseHandlerInterface instance, HttpResponse response) {
+
+    }
+
+    @Override
+    public void onRetry(int retryNo) {
+
+    }
+
+    @Override
+    public void onStart() {
+
+    }
+
+    @Override
+    public void onUserException(Throwable error) {
+
+    }
+}