}
        }
        try {
            return new String(FileUtil.readBytes(outputFile), outputEncoding);
        } catch (final UnsupportedEncodingException e) {
            return new String(FileUtil.readBytes(outputFile), Constants.UTF_8_CHARSET);
        }
    }

    /**
     * Gets the extractor for the specified file extension.
     *

            // 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)) {
                extractData.putValues("resourceName", new String[] { resourceName });
            }

            return extractData;