src/com/android/wallpaper/asset/FileAsset.java

/*
 * 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.android.wallpaper.asset;

import android.util.Log;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

/**
 * Asset referenced by a File.
 */
public final class FileAsset extends StreamableAsset {
    private static final String TAG = "FileAsset";

    private final File mFile;

    /**
     * @param file File representing the asset.
     */
    public FileAsset(File file) {
        mFile = file;
    }

    @Override
    protected InputStream openInputStream() {
        try {
            return new FileInputStream(mFile.getAbsolutePath());
        } catch (FileNotFoundException e) {
            Log.w(TAG, "Image file not found", e);
            return null;
        }
    }
}