File GUIController.java has 523 lines of code (exceeds 250 allowed). Consider refactoring.

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/*
 *  Copyright 2016 Patrick Favre-Bulle
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.

Method onCreate has 187 lines of code (exceeds 25 allowed). Consider refactoring.

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    public void onCreate(final Stage stage, IPreferenceStore store, ResourceBundle bundle) {
        this.bundle = bundle;
        this.preferenceStore = store;

        setupLayout();

File Arguments.java has 439 lines of code (exceeds 250 allowed). Consider refactoring.

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/*
 *  Copyright 2016 Patrick Favre-Bulle
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.

Method equals has a Cognitive Complexity of 40 (exceeds 5 allowed). Consider refactoring.

Open

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

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Method execute has a Cognitive Complexity of 38 (exceeds 5 allowed). Consider refactoring.

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    public void execute(Arguments args, boolean blockingWaitForFinish, HandlerCallback callback) {
        beginMs = System.currentTimeMillis();
        handlerCallback = callback;

        logStringBuilder.append("registered image readers:\n").append(getRegisteredImageReadersAndWriters()).append("\n");

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Method runImageOptimizer has a Cognitive Complexity of 37 (exceeds 5 allowed). Consider refactoring.

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    public static Result runImageOptimizer(File rawFile, ImageType processedType, String[] args, boolean keepOriginal, String outExtension) throws IOException {
        if (Arguments.getImageType(rawFile) == processedType && rawFile.exists() && rawFile.isFile()) {
            String id = UUID.randomUUID().toString().substring(0, 8);

            File outFile = getFileWithPostFix(rawFile, "_optimized_" + id, outExtension);

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Method parse has 128 lines of code (exceeds 25 allowed). Consider refactoring.

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    public static Arguments parse(String[] args) {
        ResourceBundle strings = ResourceBundle.getBundle("bundles.strings", Locale.getDefault());
        Options options = setupOptions(strings);
        CommandLineParser parser = new DefaultParser();

Method build has a Cognitive Complexity of 31 (exceeds 5 allowed). Consider refactoring.

Open

        public Arguments build() throws InvalidArgumentException {
            if (!internalSkipParamValidation) {
                ResourceBundle bundle = ResourceBundle.getBundle("bundles.strings", Locale.getDefault());

                if (platform.isEmpty()) {

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Method parse has a Cognitive Complexity of 27 (exceeds 5 allowed). Consider refactoring.

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    public static Arguments parse(String[] args) {
        ResourceBundle strings = ResourceBundle.getBundle("bundles.strings", Locale.getDefault());
        Options options = setupOptions(strings);
        CommandLineParser parser = new DefaultParser();

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Method execute has 93 lines of code (exceeds 25 allowed). Consider refactoring.

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    public void execute(Arguments args, boolean blockingWaitForFinish, HandlerCallback callback) {
        beginMs = System.currentTimeMillis();
        handlerCallback = callback;

        logStringBuilder.append("registered image readers:\n").append(getRegisteredImageReadersAndWriters()).append("\n");

Method onJobFinished has a Cognitive Complexity of 23 (exceeds 5 allowed). Consider refactoring.

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        synchronized void onJobFinished(Result result) {
            if (!canceled) {
                currentJobCount++;

                if (result != null) {

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Builder has 26 methods (exceeds 20 allowed). Consider refactoring.

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    public static class Builder {
        private File dst;
        private float srcScale;
        private File src = null;
        private EScaleMode scaleType = DEFAULT_SCALE_TYPE;

Method saveToFile has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

    public List<File> saveToFile(File targetFile, LoadedImage imageData, Dimension targetDimension, boolean isNinePatch) throws Exception {

        List<File> files = new ArrayList<>(2);
        List<ImageType.ECompression> compressionList = Arguments.getOutCompressionForType(args.outputCompressionMode, Arguments.getImageType(imageData.getSourceFile()));
        for (ImageType.ECompression compression : compressionList) {

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Method convert has a Cognitive Complexity of 19 (exceeds 5 allowed). Consider refactoring.

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    @Override
    public Result convert(File srcImage, Arguments args) {
        try {
            File destinationFolder = args.dst;
            LoadedImage imageData = ImageUtil.loadImage(srcImage);

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Method handle has a Cognitive Complexity of 16 (exceeds 5 allowed). Consider refactoring.

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        @Override
        public void handle(ActionEvent event) {
            directoryChooser.setTitle(bundle.getString("main.dirchooser.titel"));
            File dir = new File(textFieldPath.getText());

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Method getFromUI has 47 lines of code (exceeds 25 allowed). Consider refactoring.

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    public Arguments getFromUI(boolean skipValidation) throws InvalidArgumentException {
        float scale = Arguments.DEFAULT_SCALE;

        try {
            scale = rbFactor.isSelected() ? (float) scaleSlider.getValue() : Float.valueOf(textFieldDp.getText());

Method resize has 46 lines of code (exceeds 25 allowed). Consider refactoring.

Open

        @Override
        public void resize(BufferedImage srcImage, BufferedImage destImage)
                throws NullPointerException {
            super.performChecks(srcImage, destImage);

Method main has 45 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static void main(String[] rawArgs) {

        if (rawArgs.length < 1) {
            new GUI().launchApp(rawArgs);
            return;

Method runImageOptimizer has 45 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    public static Result runImageOptimizer(File rawFile, ImageType processedType, String[] args, boolean keepOriginal, String outExtension) throws IOException {
        if (Arguments.getImageType(rawFile) == processedType && rawFile.exists() && rawFile.isFile()) {
            String id = UUID.randomUUID().toString().substring(0, 8);

            File outFile = getFileWithPostFix(rawFile, "_optimized_" + id, outExtension);

Method doFilter has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

        public BufferedImage doFilter(BufferedImage img, BufferedImage dest, int dstWidth, int dstHeight) {
            BufferedImage ret = img;
            int w, h;

            w = img.getWidth();

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