nl.vpro.domain.asset.AssetService Maven / Gradle / Ivy

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The basic domain classes for 'media', the core of POMS. Also, the 'update' XML bindings for it. It also contains some closely related domain classes like the enum to contain NICAM kijkwijzer settings.

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/*
 * Copyright (C) 2011 Licensed under the Apache License, Version 2.0
 * VPRO The Netherlands
 */
package nl.vpro.domain.asset;

import java.io.File;
import java.util.List;
import java.util.Optional;

import nl.vpro.domain.media.update.Asset;

public interface AssetService {

    default Optional get(String fileName) {
        File file = getFile(fileName);
        if (file.exists() && file.isFile() && file.canRead()) {
            return Optional.of(file);
        }
        return Optional.empty();
    }

    default String getFilePath(String fileName) {
        return String.format("/assets/asset/%s", fileName);
    }

    File getFile(String fileName);

    default String getMimeType(String fileName) {
        if (fileName.endsWith(".mp4")) {
            return "video/mp4";
        } else {
            return "application/octet-stream";
        }
    }


    /**
     * Stores the given assets inputstream in the local asset store and replaces the wrapped asset with a new asset
     * source referencing the filename in the local store.
     */
    String store(String fileName, Asset asset);


    boolean remove(String fileName);

    List list();

    default boolean exists(String fileName) {
        File file = getFile(fileName);
        return file.exists();
    }


}