ext = outputExtension;
            }
            outputFile = createTempFile("cmdextout_" + filePrefix + "_", ext, tempDir);

            // store to a file
            CopyUtil.copy(in, inputFile);

            executeCommand(inputFile, outputFile);

            final ExtractData extractData = new ExtractData(new String(FileUtil.readBytes(outputFile), outputEncoding));
            if (StringUtil.isNotBlank(resourceName)) {

        for (int i = 0; i < 5; i++) {
            String thumbnailId = "test-thumbnail-" + i;
            File outputFile = new File(tempDir.toFile(), "thumbnail-" + i + ".png");
            assertTrue(thumbnailGenerator.generate(thumbnailId, outputFile));
            assertTrue(outputFile.exists());
        }
    }

    public void test_isTarget_withVariousMimeTypes() {
        // Test with various MIME types

                    if (outputFile.isFile() && !outputFile.delete()) {
                        logger.warn("Failed to delete output file: {}", outputFile.getAbsolutePath());
                    }
                    return false;
                }

                if (outputFile.isFile() && outputFile.length() == 0) {

     */
    protected String getOutputContent(final File outputFile, final String outExt) {
        final Extractor extractor = getExtractor(outExt);
        if (extractor != null) {
            final Map<String, String> params = new HashMap<>();
            params.put(ExtractData.RESOURCE_NAME_KEY, outputFile.getName());
            try (final FileInputStream in = new FileInputStream(outputFile)) {

        final File outputFile = File.createTempFile("command_generator", ".out");
        try {
            assertTrue(outputFile.exists());
            generator.setCommandList(Collections.singletonList("invalid_command_for_test"));
            assertTrue(generator.generate("test_id", outputFile));
        } finally {
            outputFile.delete();
        }
    }

                    updateThumbnailField(thumbnailId, StringUtil.EMPTY);
                    if (outputFile.exists() && !outputFile.delete()) {
                        logger.warn("Failed to delete {}", outputFile.getAbsolutePath());
                    }
                }
            }
            return outputFile.exists();
        });

    }

    /**

                        } else {
                            File outputFile = null;
                            try {
                                outputFile = createTempFile("crawler-SmbClient-", ".out", null);
                                copy(file, outputFile);
                                responseData.setResponseBody(outputFile, true);
                            } catch (final Exception e) {

                        } else {
                            File outputFile = null;
                            try {
                                outputFile = createTempFile("crawler-SmbClient-", ".out", null);
                                copy(file, outputFile);
                                responseData.setResponseBody(outputFile, true);
                            } catch (final Exception e) {

                } else {
                    File outputFile = null;
                    try {
                        outputFile = createTempFile("crawler-SmbClient-", ".out", null);
                        final GetObjectArgs args = GetObjectArgs.builder().bucket(bucketName).object(path).build();
                        CopyUtil.copy(minioClient.getObject(args), outputFile);

            logger.debug("Processing thumbnail: {}", entity);
        }
        final String generatorName = entity.getGenerator();
        try {
            final File outputFile = new File(baseDir, entity.getPath());
            final File noImageFile = new File(outputFile.getAbsolutePath() + NOIMAGE_FILE_SUFFIX);
            if (!noImageFile.isFile() || systemHelper.getCurrentTimeAsLong() - noImageFile.lastModified() > noImageExpired) {