UpdateApkProvider.java

/*
 * Copyright 2016 Hippo Seven
 *
 * 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.hippo.nimingban.content;

/*
 * Created by Hippo on 11/18/2016.
 */

import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

import java.io.FileNotFoundException;

public class UpdateApkProvider extends ContentProvider {

    public static final Uri UPDATE_APK_URI = new Uri.Builder()
            .scheme(ContentResolver.SCHEME_CONTENT)
            .authority("com.hippo.nimingban.updateapk")
            .build();

    private static Uri sUpdateApkUri;

    public static void setUpdateApkFile(Uri uri) {
        sUpdateApkUri = uri;
    }

    @Override
    public boolean onCreate() {
        return true;
    }

    @Nullable
    @Override
    public Cursor query(@NonNull Uri uri, String[] strings, String s, String[] strings1, String s1) {
        throw new UnsupportedOperationException();
    }

    @Nullable
    @Override
    public String getType(@NonNull Uri uri) {
        throw new UnsupportedOperationException();
    }

    @Nullable
    @Override
    public Uri insert(@NonNull Uri uri, ContentValues contentValues) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int delete(@NonNull Uri uri, String s, String[] strings) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int update(@NonNull Uri uri, ContentValues contentValues, String s, String[] strings) {
        throw new UnsupportedOperationException();
    }

    @Override
    public ParcelFileDescriptor openFile(@NonNull Uri uri, @NonNull String mode) throws FileNotFoundException {
        if (sUpdateApkUri != null) {
            return getContext().getContentResolver().openFileDescriptor(sUpdateApkUri, mode);
        } else {
            throw new FileNotFoundException("Can't find " + uri);
        }
    }
}