Work on issue #26390151: Add new JobScheduler API...

...for monitoring content providers

Add CTS tests.

Change-Id: Ic88d0666ac384a3b404d2e0fa6c8ed4b4c1a01d5
diff --git a/tests/JobScheduler/src/android/jobscheduler/DummyJobContentProvider.java b/tests/JobScheduler/src/android/jobscheduler/DummyJobContentProvider.java
new file mode 100644
index 0000000..cc8cf21
--- /dev/null
+++ b/tests/JobScheduler/src/android/jobscheduler/DummyJobContentProvider.java
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2016 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.jobscheduler;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.UriMatcher;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.net.Uri;
+
+/**
+ * Stub content provider used for generating content change reports
+ */
+public class DummyJobContentProvider extends ContentProvider {
+    private static final String DATABASE_NAME = "dummy.db";
+    private static final String NAME_VALUE_TABLE = "name_value";
+
+    private DatabaseHelper mDbHelper;
+    private static UriMatcher sMatcher = new UriMatcher(UriMatcher.NO_MATCH);
+
+    private static final int MATCH_NAME_VALUE      = 1;
+
+    public static final String AUTHORITY = "android.jobscheduler.dummyprovider";
+    public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY);
+
+    public static final String _ID   = "_id";
+    public static final String NAME  = "name";
+    public static final String VALUE = "value";
+
+    static {
+        sMatcher.addURI(AUTHORITY, null, MATCH_NAME_VALUE);
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#onCreate()
+     */
+    @Override
+    public boolean onCreate() {
+        mDbHelper = new DatabaseHelper(getContext());
+        return true;
+    }
+
+    private class DatabaseHelper extends SQLiteOpenHelper {
+        private static final int DATABASE_VERSION = 1;
+
+        DatabaseHelper(Context context) {
+            super(context, DATABASE_NAME, null, DATABASE_VERSION);
+        }
+
+        @Override
+        public void onCreate(SQLiteDatabase db) {
+            // create an empty name_value table
+            db.execSQL("CREATE TABLE " + NAME_VALUE_TABLE + " (" + _ID + " INTEGER PRIMARY KEY,"
+                    + NAME + " TEXT," + VALUE + " TEXT"+ ");");
+        }
+
+        @Override
+        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#insert(android.net.Uri,
+     * android.content.ContentValues)
+     */
+    @Override
+    public Uri insert(Uri uri, ContentValues values) {
+        String tbName = getTableName(uri);
+        if (tbName == null) {
+            return null;
+        }
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        db.insert(tbName, VALUE, values);
+        getContext().getContentResolver().notifyChange(uri, null);
+        return uri;
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#query(android.net.Uri,
+     * java.lang.String[], java.lang.String, java.lang.String[],
+     * java.lang.String)
+     */
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
+            String sortOrder) {
+        String tbName = getTableName(uri);
+        if (tbName == null) {
+            return null;
+        }
+        SQLiteDatabase db = mDbHelper.getReadableDatabase();
+        Cursor c = db.query(tbName, projection, selection, selectionArgs, null, null, sortOrder);
+        c.setNotificationUri(getContext().getContentResolver(), uri);
+        return c;
+    }
+
+    private String getTableName(Uri uri) {
+        switch (sMatcher.match(uri)) {
+            case MATCH_NAME_VALUE:
+                return NAME_VALUE_TABLE;
+            default:
+                throw new UnsupportedOperationException();
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#update(android.net.Uri,
+     * android.content.ContentValues, java.lang.String, java.lang.String[])
+     */
+    @Override
+    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+        String tbName = getTableName(uri);
+        if (tbName == null) {
+            return 0;
+        }
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        int count = db.update(tbName, values, selection, selectionArgs);
+        getContext().getContentResolver().notifyChange(uri, null);
+        return count;
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#delete(android.net.Uri,
+     * java.lang.String, java.lang.String[])
+     */
+    @Override
+    public int delete(Uri uri, String selection, String[] selectionArgs) {
+        String tbName = getTableName(uri);
+        if (tbName == null) {
+            return 0;
+        }
+        SQLiteDatabase db = mDbHelper.getWritableDatabase();
+        int count = db.delete(tbName, selection, selectionArgs);
+        getContext().getContentResolver().notifyChange(uri, null);
+        return count;
+    }
+
+    /*
+     * (non-Javadoc)
+     * @see android.content.ContentProvider#getType(android.net.Uri)
+     */
+    @Override
+    public String getType(Uri uri) {
+        return null;
+    }
+}