exposed original response body string in GoogleAnalyticsResponse

pom.xml

@@ -162,6 +162,12 @@
             <version>${junit.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.googlecode.json-simple</groupId>
+            <artifactId>json-simple</artifactId>
+            <version>1.1.1</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <name>Google Analytics Java API</name>
     <url>https://github.com/brsanthu/google-analytics-java</url>

src/main/java/com/brsanthu/googleanalytics/httpclient/ApacheHttpClientImpl.java

@@ -101,6 +101,7 @@ public HttpResponse post(HttpRequest req) {
 
             httpResp = execute(req.getUrl(), new UrlEncodedFormEntity(createNameValuePairs(req), StandardCharsets.UTF_8));
             resp.setStatusCode(httpResp.getStatusLine().getStatusCode());
+            resp.setOriginalResponse(EntityUtils.toString(httpResp.getEntity(), "UTF-8"));
 
         } catch (Exception e) {
             if (e instanceof UnknownHostException) {

src/main/java/com/brsanthu/googleanalytics/httpclient/HttpResponse.java

@@ -3,6 +3,7 @@
 public class HttpResponse {
 
     private int statusCode;
+    private String originalResponse = null;
 
     public int getStatusCode() {
         return statusCode;
@@ -13,4 +14,13 @@ public HttpResponse setStatusCode(int statusCode) {
         return this;
     }
 
+    public String getOriginalResponse() {
+        return originalResponse;
+    }
+
+    public HttpResponse setOriginalResponse(String originalResponse) {
+        this.originalResponse = originalResponse;
+        return this;
+    }
+
 }

src/main/java/com/brsanthu/googleanalytics/internal/GoogleAnalyticsImpl.java

@@ -167,6 +167,7 @@ protected GoogleAnalyticsResponse postSingle(GoogleAnalyticsRequest<?> gaReq) {
         GoogleAnalyticsResponse response = new GoogleAnalyticsResponse();
         response.setStatusCode(httpResp.getStatusCode());
         response.setRequestParams(httpReq.getBodyParams());
+        response.setHttpResponse(httpResp);
 
         if (config.isGatherStats()) {
             gatherStats(gaReq);

src/main/java/com/brsanthu/googleanalytics/request/GoogleAnalyticsResponse.java

@@ -13,6 +13,8 @@
  */
 package com.brsanthu.googleanalytics.request;
 
+import com.brsanthu.googleanalytics.httpclient.HttpResponse;
+
 import java.util.Map;
 
 /**
@@ -23,6 +25,7 @@
 public class GoogleAnalyticsResponse {
     private int statusCode = 200;
     private Map<String, String> requestParams = null;
+    private HttpResponse httpResponse = null;
 
     public Map<String, String> getRequestParams() {
         return requestParams;
@@ -40,6 +43,14 @@ public int getStatusCode() {
         return statusCode;
     }
 
+    public HttpResponse getHttpResponse() {
+        return httpResponse;
+    }
+
+    public void setHttpResponse(HttpResponse httpResponse) {
+        this.httpResponse = httpResponse;
+    }
+
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();

src/test/java/com/brsanthu/googleanalytics/GoogleAnalyticsDebugTest.java

@@ -0,0 +1,37 @@
+package com.brsanthu.googleanalytics;
+
+import com.brsanthu.googleanalytics.request.GoogleAnalyticsResponse;
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.Map;
+
+import static com.brsanthu.googleanalytics.internal.Constants.TEST_TRACKING_ID;
+import static org.junit.Assert.assertEquals;
+
+public class GoogleAnalyticsDebugTest {
+
+    private static GoogleAnalytics ga = null;
+
+    @BeforeClass
+    public static void setup() {
+        ga = GoogleAnalytics.builder()
+                .withTrackingId(TEST_TRACKING_ID).withAppName("Junit Test").withAppVersion("1.0.0")
+                .withConfig(new GoogleAnalyticsConfig().setHttpsUrl("https://www.google-analytics.com/debug/collect"))
+                .build();
+    }
+
+    @Test
+    public void testPageViewDebug() throws Exception {
+        GoogleAnalyticsResponse response = ga.pageView("http://www.google.com", "Search").send();
+        String originalResponse = response.getHttpResponse().getOriginalResponse();
+        JSONParser parser = new JSONParser();
+        JSONObject json = (JSONObject) parser.parse(originalResponse);
+        assertEquals(200, response.getStatusCode());
+        assertEquals(true, ((Map) ((JSONArray) json.get("hitParsingResult")).get(0)).get("valid"));
+    }
+
+}