Example usage for java.util Collection isEmpty

Introduction

In this page you can find the example usage for java.util Collection isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this collection contains no elements.

Usage

From source file:com.jcwhatever.resourcepackermc.Main.java

public static void main(String[] args) {

    if (args.length == 0) {
        launch(args);/*from w  w w  .  j  av  a 2 s .  co  m*/
        return;
    }

    CommandLineParser parser = new BasicParser();
    CommandLine cmd;
    try {
        cmd = parser.parse(_options, args);
    } catch (ParseException e) {
        System.err.println(e.getLocalizedMessage());
        showHelp();
        System.exit(-1);
        return;
    }

    // show help if requested
    if (cmd.hasOption("help")) {
        showHelp();
        return;
    }

    File folder;

    if (cmd.hasOption("folder")) {
        // use specified folder
        String foldername = cmd.getOptionValue("folder");
        folder = new File(foldername);
    } else {
        // use folder jar file is in.
        folder = Utils.getJarFolder();
    }

    // make sure folder exists
    if (!folder.exists()) {
        System.err.println("Folder not found: " + folder);
        System.exit(-1);
        return;
    }

    ResourcePackFiles files = new ResourcePackFiles(folder);
    Collection<OggSound> sounds = files.getSounds();
    Collection<OggSound> extraSounds = MinecraftSounds.removeMinecraft(sounds);

    // generate/update sounds.json file
    if (cmd.hasOption("sounds")) {

        SoundsJSONGenerator generator = new SoundsJSONGenerator();

        generator.generate(files, SoundsJSONGenerator.getFile(folder));

        // add newly generated sounds.json files to files collection
        if (files.getSoundsJson() == null) {
            File file = SoundsJSONGenerator.getFile(folder);
            files.getFiles().add(file);
        }
    }

    // Generate resource-sounds.yml
    if (cmd.hasOption("nucleus")) {
        NucleusGenerator generator = new NucleusGenerator();
        generator.generate(files, new File(Utils.getJarFolder(), "resource-sounds.yml"));
    }

    // Generate SOUNDS.TXT and SOUNDS_EXTRA.TXT
    if (cmd.hasOption("soundtxt")) {
        SoundsTxtGenerator generator = new SoundsTxtGenerator();

        File tracksFile = new File(Utils.getJarFolder(), "SOUNDS.TXT");

        generator.generate(files, tracksFile);
        System.out.println("Generated SOUNDS.TXT");

        if (!files.getFiles().contains(tracksFile)) {
            files.getFiles().add(tracksFile);
            System.out.println("Packed SOUNDS.TXT");
        }

        if (!extraSounds.isEmpty()) {

            SoundsExtraTxtGenerator extraGen = new SoundsExtraTxtGenerator();
            File extraTracksFile = new File(Utils.getJarFolder(), "SOUNDS_EXTRA.TXT");

            extraGen.generate(files, extraTracksFile);
            System.out.println("Generated SOUNDS_EXTRA.TXT");

            if (!files.getFiles().contains(extraTracksFile)) {
                files.getFiles().add(extraTracksFile);
                System.out.println("Packed SOUNDS_EXTRA.TXT");
            }
        }
    }

    // Generate Zip file
    if (cmd.hasOption("zip")) {
        String filename = cmd.getOptionValue("zip");
        File file = new File(Utils.getJarFolder(), filename);

        PackGenerator generator = new PackGenerator();
        generator.generate(files, file);
    }
}

From source file:Main.java

public static boolean isEmpty(Collection<?> collection) {
    return collection.isEmpty() || collection.size() == 0;
}

From source file:Main.java

public static boolean isNullOrEmpty(Collection c) {
    return null == c || c.isEmpty();
}

From source file:Main.java

public static <T> boolean isNotEmptyAndElementsInCollectionTheSame(Collection<T> colllection) {
    return !colllection.isEmpty() && (Sets.newHashSet(colllection).size() == 1);
}

From source file:Main.java

public static boolean isNullOrEmpty(Collection c) {
    if (null == c || c.isEmpty()) {
        return true;
    }//from ww w .j  a va  2 s .  c  o m
    return false;
}

From source file:Main.java

public static boolean isBlank(Collection col) {
    return col == null || col.isEmpty();
}

From source file:Main.java

public static boolean isNullOrEmpty(Collection<?> c) {
    return (null == c || c.isEmpty());
}

From source file:Main.java

public static boolean isNullOrEmpty(Collection c) {
    return c == null || c.isEmpty();
}

From source file:Main.java

public static boolean emptyOrNull(Collection<?> c) {
    return c == null || c.isEmpty();
}

From source file:Main.java

public static Object findSingleObject(Collection c) {
    if (c == null || c.isEmpty())
        return null;
    if (c.size() > 1)
        throw new IllegalStateException("found more than one object when single object requested");
    return c.iterator().next();
}