Merge "Don't allow null ids on FillResponse.Builder.setAuthentication()" into pi-dev
diff --git a/core/java/android/service/autofill/AutofillServiceHelper.java b/core/java/android/service/autofill/AutofillServiceHelper.java
new file mode 100644
index 0000000..bbaebff
--- /dev/null
+++ b/core/java/android/service/autofill/AutofillServiceHelper.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.service.autofill;
+
+import android.annotation.Nullable;
+import android.view.autofill.AutofillId;
+
+import com.android.internal.util.Preconditions;
+
+/** @hide */
+final class AutofillServiceHelper {
+
+ static AutofillId[] assertValid(@Nullable AutofillId[] ids) {
+ Preconditions.checkArgument(ids != null && ids.length > 0, "must have at least one id");
+ return Preconditions.checkArrayElementsNotNull(ids, "ids");
+ }
+
+ private AutofillServiceHelper() {
+ throw new UnsupportedOperationException("contains static members only");
+ }
+}
diff --git a/core/java/android/service/autofill/FillResponse.java b/core/java/android/service/autofill/FillResponse.java
index 3a4b6bb..be84ba9 100644
--- a/core/java/android/service/autofill/FillResponse.java
+++ b/core/java/android/service/autofill/FillResponse.java
@@ -16,6 +16,7 @@
package android.service.autofill;
+import static android.service.autofill.AutofillServiceHelper.assertValid;
import static android.service.autofill.FillRequest.INVALID_REQUEST_ID;
import static android.view.autofill.Helper.sDebug;
@@ -245,10 +246,15 @@
* @param ids id of Views that when focused will display the authentication UI.
*
* @return This builder.
-
- * @throws IllegalArgumentException if {@code ids} is {@code null} or empty, or if
- * both {@code authentication} and {@code presentation} are {@code null}, or if
- * both {@code authentication} and {@code presentation} are non-{@code null}
+ *
+ * @throws IllegalArgumentException if any of the following occurs:
+ * <ul>
+ * <li>{@code ids} is {@code null}</li>
+ * <li>{@code ids} is empty</li>
+ * <li>{@code ids} contains a {@code null} element</li>
+ * <li>both {@code authentication} and {@code presentation} are {@code null}</li>
+ * <li>both {@code authentication} and {@code presentation} are non-{@code null}</li>
+ * </ul>
*
* @throws IllegalStateException if a {@link #setHeader(RemoteViews) header} or a
* {@link #setFooter(RemoteViews) footer} are already set for this builder.
@@ -263,16 +269,13 @@
throw new IllegalStateException("Already called #setHeader() or #setFooter()");
}
- if (ids == null || ids.length == 0) {
- throw new IllegalArgumentException("ids cannot be null or empry");
- }
if (authentication == null ^ presentation == null) {
throw new IllegalArgumentException("authentication and presentation"
+ " must be both non-null or null");
}
mAuthentication = authentication;
mPresentation = presentation;
- mAuthenticationIds = ids;
+ mAuthenticationIds = assertValid(ids);
return this;
}
diff --git a/core/java/android/service/autofill/SaveInfo.java b/core/java/android/service/autofill/SaveInfo.java
index a5a6177..1be1be6 100644
--- a/core/java/android/service/autofill/SaveInfo.java
+++ b/core/java/android/service/autofill/SaveInfo.java
@@ -16,6 +16,7 @@
package android.service.autofill;
+import static android.service.autofill.AutofillServiceHelper.assertValid;
import static android.view.autofill.Helper.sDebug;
import android.annotation.IntDef;
@@ -405,17 +406,6 @@
mRequiredIds = null;
}
- private AutofillId[] assertValid(AutofillId[] ids) {
- Preconditions.checkArgument(ids != null && ids.length > 0,
- "must have at least one id: " + Arrays.toString(ids));
- for (int i = 0; i < ids.length; i++) {
- final AutofillId id = ids[i];
- Preconditions.checkArgument(id != null,
- "cannot have null id: " + Arrays.toString(ids));
- }
- return ids;
- }
-
/**
* Sets flags changing the save behavior.
*