1 files changed, 84 insertions, 0 deletions
diff --git a/partner_support/src/com/google/android/tv/partner/support/EpgInputs.java b/partner_support/src/com/google/android/tv/partner/support/EpgInputs.java
new file mode 100644
index 00000000..53485ec8
--- /dev/null
+++ b/partner_support/src/com/google/android/tv/partner/support/EpgInputs.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2017 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 com.google.android.tv.partner.support;
+
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.database.DatabaseUtils;
+import android.net.Uri;
+import android.support.annotation.Nullable;
+import android.support.annotation.WorkerThread;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/** Static utilities for {@link EpgInput}. */
+public final class EpgInputs {
+    // TODO create a fake EpgContentProvider for testing.
+
+    /** Returns {@link EpgInput} for {@code inputId} or null if not found. */
+    @WorkerThread
+    @Nullable
+    public static EpgInput queryEpgInput(ContentResolver contentResolver, String inputId) {
+
+        for (EpgInput epgInput : queryEpgInputs(contentResolver)) {
+            if (inputId.equals(epgInput.getInputId())) {
+                return epgInput;
+            }
+        }
+        return null;
+    }
+
+    /** Returns all {@link EpgInput}. */
+    @WorkerThread
+    public static Set<EpgInput> queryEpgInputs(ContentResolver contentResolver) {
+        try (Cursor cursor =
+                contentResolver.query(EpgContract.EpgInputs.CONTENT_URI, null, null, null, null)) {
+            if (cursor == null) {
+                return Collections.emptySet();
+            }
+            HashSet<EpgInput> result = new HashSet<>(cursor.getCount());
+            while (cursor.moveToNext()) {
+                ContentValues contentValues = new ContentValues();
+                DatabaseUtils.cursorRowToContentValues(cursor, contentValues);
+                result.add(EpgInput.createEpgChannel(contentValues));
+            }
+            return result;
+        }
+    }
+
+    /** Insert an {@link EpgInput}. */
+    @WorkerThread
+    @Nullable
+    public static Uri insert(ContentResolver contentResolver, EpgInput epgInput) {
+        return contentResolver.insert(
+                EpgContract.EpgInputs.CONTENT_URI, epgInput.toContentValues());
+    }
+
+    /** Update an {@link EpgInput}. */
+    @WorkerThread
+    public static int update(ContentResolver contentResolver, EpgInput epgInput) {
+        return contentResolver.update(
+                EpgContract.EpgInputs.buildUri(epgInput.getId()),
+                epgInput.toContentValues(),
+                null,
+                null);
+    }
+
+    private EpgInputs() {}
+}