// Output file in current working directory.
    public String outputFilePath = "allProfilesOutput.csv";
    // Device detection provider which takes User-Agents and returns matches.
    protected final Provider provider;
    // The profile component relating to all hardware profiles.
    protected final Component hardwareComponent;
    // Array of hardware profiles for all devices.
    protected static Profile[] hardwareProfiles;
    // Array of properties that relate to device hardware.
    protected static Property[] hardwareProperties;

    /**
     * Initialises the device detection Provider with the included Lite data
     * file. For more data see: 
     * <a href="https://51degrees.com/compare-data-options">compare data options
     * </a>
     * 
     * @throws IOException if there was a problem reading from the data file.
     */
    public AllProfiles() throws IOException {
        provider = new Provider(StreamFactory.create(
                Shared.getLitePatternV32(), false));
        
        // Get the hardware component, this contains all hardware profiles.
        // There are also SoftwarePlatform, BrowserPlatform and Crawler
        // platforms.
        hardwareComponent = provider.dataSet.getComponent("HardwarePlatform");

        // Get all the hardware properties from the hardware component.
        hardwareProperties = hardwareComponent.getProperties();
        
        // Get all the hardware profiles from the hardware component.
        hardwareProfiles = hardwareComponent.getProfiles();
    }    
    
        /**
     * Writes a CSV file with all properties of all hardware devices in the
     * data set being used.
     * For a full list of properties and the files they are available in please 
     * see: <a href="https://51degrees.com/resources/property-dictionary">
     * Property Dictionary</a>
     * 
     * @param outputFilename where to save the file with extra entries.
     * @throws IOException if there was a problem reading from the data file.
     */
        public void run(String outputFilename)
            throws IOException {
            FileWriter fileWriter = new FileWriter(outputFilename);
            try {
                // Write the headers for the CSV file.
                fileWriter.append("Id");
                for (Property property : hardwareProperties) {
                    fileWriter.append(",").append(property.getName());
                }
                fileWriter.append("\n");
                
                // Loop over all devices.
                for (Profile profile : hardwareProfiles) {
                    // Write the device's profile id.
                    fileWriter.append(Integer.toString(profile.profileId));
                    for (Property property : hardwareProperties) {
                        // Get some property values from the match
                        Values values = profile.getValues(property.getName());
                        // Prevents big chunks of javascript overrides from
                        // being writen.
                        if (property.getName().startsWith("Javascript")) {
                            values = null;
                        }
                        // Write result to file
                        fileWriter.append(",").append(getValueForDisplay(values));
                    }
                    fileWriter.append("\n").flush();
                }
            } finally {
                fileWriter.close();
            }
        }

    /**
     * Match values may be null. A helper method to get something displayable
     * @param values a Values to render
     * @return a non-null String
     */
    protected String getValueForDisplay(Values values) {
        return values == null ? "N/A": values.toString();
    } 

    
    /**
     * Instantiates this class and starts 
     * {@link #run(java.lang.String)} with default 
     * parameters.
     * 
     * @param args command line arguments.
     * @throws IOException if there was a problem accessing the data file.
     */
    public static void main(String[] args) throws IOException {
        System.out.println("Starting All Profiles Example");
        AllProfiles allProfiles = new AllProfiles();
        try {
            allProfiles.run(allProfiles.outputFilePath);
            System.out.println("Output written to " + 
                    allProfiles.outputFilePath);
        } finally {
            allProfiles.close();
        }
    }

    /**
     * Closes the {@link fiftyone.mobile.detection.Dataset} by releasing data
     * file readers and freeing the data file from locks. This method should
     * only be used when the {@code Dataset} is no longer required, i.e. when
     * device detection functionality is no longer required, or the data file
     * needs to be freed.
     *
     * @throws IOException if there is a problem accessing the data file.
     */
    @Override
    public void close() throws IOException {
        provider.dataSet.close();
    }