Merge branch 'develop' into feature/site-settings-review

Author: tonyr59h

WordPressUtils/src/androidTest/java/org/wordpress/android/util/JSONUtilsTest.java

@@ -0,0 +1,32 @@
+package org.wordpress.android.util;
+
+import android.test.InstrumentationTestCase;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+public class JSONUtilsTest extends InstrumentationTestCase {
+    public void testQueryJSONNullSource1() {
+        JSONUtils.queryJSON((JSONObject) null, "", "");
+    }
+
+    public void testQueryJSONNullSource2() {
+        JSONUtils.queryJSON((JSONArray) null, "", "");
+    }
+
+    public void testQueryJSONNullQuery1() {
+        JSONUtils.queryJSON(new JSONObject(), null, "");
+    }
+
+    public void testQueryJSONNullQuery2() {
+        JSONUtils.queryJSON(new JSONArray(), null, "");
+    }
+
+    public void testQueryJSONNullReturnValue1() {
+        JSONUtils.queryJSON(new JSONObject(), "", null);
+    }
+
+    public void testQueryJSONNullReturnValue2() {
+        JSONUtils.queryJSON(new JSONArray(), "", null);
+    }
+}

WordPressUtils/src/main/java/org/wordpress/android/util/JSONUtils.java

@@ -8,23 +8,30 @@
 import org.wordpress.android.util.AppLog.T;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 
 public class JSONUtils {
-    private static String QUERY_SEPERATOR=".";
-    private static String QUERY_ARRAY_INDEX_START="[";
-    private static String QUERY_ARRAY_INDEX_END="]";
-    private static String QUERY_ARRAY_FIRST="first";
-    private static String QUERY_ARRAY_LAST="last";
+    private static String QUERY_SEPERATOR = ".";
+    private static String QUERY_ARRAY_INDEX_START = "[";
+    private static String QUERY_ARRAY_INDEX_END = "]";
+    private static String QUERY_ARRAY_FIRST = "first";
+    private static String QUERY_ARRAY_LAST = "last";
 
     private static final String JSON_NULL_STR = "null";
+    private static final String TAG = "JSONUtils";
 
-    private static final String TAG="JSONUtils";
     /**
      * Given a JSONObject and a key path (e.g property.child) and a default it will
      * traverse the object graph and pull out the desired property
      */
     public static <U> U queryJSON(JSONObject source, String query, U defaultObject) {
+        if (source == null) {
+            AppLog.e(T.UTILS, "Parameter source is null, can't query a null object");
+            return defaultObject;
+        }
+        if (query == null) {
+            AppLog.e(T.UTILS, "Parameter query is null");
+            return defaultObject;
+        }
         int nextSeperator = query.indexOf(QUERY_SEPERATOR);
         int nextIndexStart = query.indexOf(QUERY_ARRAY_INDEX_START);
         if (nextSeperator == -1 && nextIndexStart == -1) {
@@ -56,9 +63,6 @@ public static <U> U queryJSON(JSONObject source, String query, U defaultObject)
         String nextQuery = query.substring(endQuery);
         String key = query.substring(0, endQuery);
         try {
-            if (source == null) {
-                return defaultObject;
-            }
             if (nextQuery.indexOf(QUERY_SEPERATOR) == 0) {
                 return queryJSON(source.getJSONObject(key), nextQuery.substring(1), defaultObject);
             } else if (nextQuery.indexOf(QUERY_ARRAY_INDEX_START) == 0) {
@@ -89,7 +93,15 @@ public static <U> U queryJSON(JSONObject source, String query, U defaultObject)
      * Acceptable indexes include negative numbers to reference items from the end of
      * the list as well as "last" and "first" as more explicit references to "0" and "-1"
      */
-    public static <U> U queryJSON(JSONArray source, String query, U defaultObject){
+    public static <U> U queryJSON(JSONArray source, String query, U defaultObject) {
+        if (source == null) {
+            AppLog.e(T.UTILS, "Parameter source is null, can't query a null object");
+            return defaultObject;
+        }
+        if (query == null) {
+            AppLog.e(T.UTILS, "Parameter query is null");
+            return defaultObject;
+        }
         // query must start with [ have an index and then have ]
         int indexStart = query.indexOf(QUERY_ARRAY_INDEX_START);
         int indexEnd = query.indexOf(QUERY_ARRAY_INDEX_END);