Allow serialization of Object in collections. This used to be supported before restructuring the Collection type handling.

gson/pom.xml

@@ -111,7 +111,7 @@
            <downloadSources>true</downloadSources>
            <downloadJavadocs>true</downloadJavadocs>
            <workspace>
-             ../eclipse-ws/
+             /Users/jleitch/eclipse/workspace/
            </workspace>
            <workspaceCodeStylesURL>
              file:///${basedir}/../lib/gson-formatting-styles.xml

gson/src/main/java/com/google/gson/DefaultTypeAdapters.java

@@ -382,8 +382,8 @@ final class DefaultTypeAdapters {
         childGenericType = new TypeInfoCollection(typeOfSrc).getElementType();        
       }
       for (Object child : src) {
-        Type childType = (childGenericType == null) ? 
-            childType = child.getClass() : childGenericType;
+        Type childType = (childGenericType == null || childGenericType == Object.class)
+            ? child.getClass() : childGenericType;
         JsonElement element = context.serialize(child, childType);
         array.add(element);
       }

gson/src/test/java/com/google/gson/functional/CollectionTest.java

@@ -142,6 +142,16 @@ public class CollectionTest extends TestCase {
     }
   }
 
+  public void testCollectionOfObjectSerialization() {
+    List<Object> target = new ArrayList<Object>();
+    target.add("Hello");
+    target.add("World");
+    assertEquals("[\"Hello\",\"World\"]", gson.toJson(target));
+    
+    Type type = new TypeToken<List<Object>>() {}.getType();
+    assertEquals("[\"Hello\",\"World\"]", gson.toJson(target, type));
+  }
+
   public void testCollectionOfStringsSerialization() {
     List<String> target = new ArrayList<String>();
     target.add("Hello");