Merge pull request #464 from owncloud/FixLint

Fix lint warnings

Author: abelgardep

owncloudComLibrary/src/main/java/com/owncloud/android/lib/common/http/LogBuilder.kt

@@ -41,13 +41,13 @@ object LogBuilder {
 enum class NetworkPetition {
     REQUEST, RESPONSE;
 
-    override fun toString(): String = super.toString().toLowerCase(Locale.ROOT)
+    override fun toString(): String = super.toString().lowercase(Locale.ROOT)
 }
 
 enum class NetworkNode {
     INFO, HEADER, BODY;
 
-    override fun toString(): String = super.toString().toLowerCase(Locale.ROOT)
+    override fun toString(): String = super.toString().lowercase(Locale.ROOT)
 }
 
 /**

owncloudComLibrary/src/main/java/com/owncloud/android/lib/resources/status/GetRemoteCapabilitiesOperation.kt

@@ -74,7 +74,7 @@ class GetRemoteCapabilitiesOperation : RemoteOperation<RemoteCapability>() {
                 val moshi: Moshi = Moshi.Builder().build()
                 val type: Type = Types.newParameterizedType(CommonOcsResponse::class.java, CapabilityResponse::class.java)
                 val adapter: JsonAdapter<CommonOcsResponse<CapabilityResponse>> = moshi.adapter(type)
-                val commonResponse: CommonOcsResponse<CapabilityResponse>? = adapter.fromJson(response)
+                val commonResponse: CommonOcsResponse<CapabilityResponse>? = response?.let { adapter.fromJson(it) }
 
                 result = RemoteOperationResult(OK)
                 result.data = commonResponse?.ocs?.data?.toRemoteCapability()