Example usage for java.util List get

Introduction

In this page you can find the example usage for java.util List get.

Prototype

E get(int index);

Source Link

Document

Returns the element at the specified position in this list.

Usage

From source file:com.atlbike.etl.service.ClientFormLogin.java

/**
 * @param args//www  .j  av a  2s.  co  m
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    String authenticityToken = "";
    BasicCookieStore cookieStore = new BasicCookieStore();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultCookieStore(cookieStore)
            .setRedirectStrategy(new LaxRedirectStrategy()).build();
    try {
        HttpGet httpget = new HttpGet("https://atlbike.nationbuilder.com/login");
        CloseableHttpResponse response1 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response1.getEntity();
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("Login form get: " + response1.getStatusLine());
            // EntityUtils.consume(entity);
            String content = EntityUtils.toString(entity);
            Document doc = Jsoup.parse(content);
            Elements metaElements = doc.select("META");
            for (Element elem : metaElements) {
                System.out.println(elem);
                if (elem.hasAttr("name") && "csrf-token".equals(elem.attr("name"))) {
                    System.out.println("Value: " + elem.attr("content"));
                    authenticityToken = elem.attr("content");
                }
            }

            System.out.println("Initial set of cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response1.close();
        }

        HttpUriRequest login = RequestBuilder.post()
                .setUri(new URI("https://atlbike.nationbuilder.com/forms/user_sessions"))
                .addParameter("email_address", "").addParameter("user_session[email]", "email@domain")
                .addParameter("user_session[password]", "magicCookie")
                .addParameter("user_session[remember_me]", "1").addParameter("commit", "Sign in with email")
                .addParameter("authenticity_token", authenticityToken).build();
        CloseableHttpResponse response2 = httpclient.execute(login);
        try {
            HttpEntity entity = response2.getEntity();
            // for (Header h : response2.getAllHeaders()) {
            // System.out.println(h);
            // }
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("Login form get: " + response2.getStatusLine());
            EntityUtils.consume(entity);

            System.out.println("Post logon cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response2.close();
        }

        httpget = new HttpGet(
                // HttpUriRequest file = RequestBuilder
                // .post()
                // .setUri(new URI(
                "https://atlbike.nationbuilder.com/admin/membership_types/14/download");
        // .build();
        // CloseableHttpResponse response3 = httpclient.execute(file);
        CloseableHttpResponse response3 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response3.getEntity();
            System.out.println("Content Length: " + entity.getContentLength());

            System.out.println("File Get: " + response3.getStatusLine());
            saveEntity(entity);
            // EntityUtils.consume(entity);

            System.out.println("Post file get cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response3.close();
        }

    } finally {
        httpclient.close();
    }
}

---

From source file:cn.jumper.study.http.ClientFormLogin.java

public static void main(String[] args) throws Exception {
    BasicCookieStore cookieStore = new BasicCookieStore();
    CloseableHttpClient httpclient = HttpClients.custom().setDefaultCookieStore(cookieStore).build();

    HttpHost proxy = new HttpHost("192.168.10.3", 8080, "http");

    RequestConfig config = RequestConfig.custom().setProxy(proxy).build();

    try {/*from w  w w. j a v a2s  .  co  m*/
        HttpGet httpget = new HttpGet("http://www.ksf-food.com/admin/Login.asp");
        httpget.setConfig(config);
        CloseableHttpResponse response1 = httpclient.execute(httpget);
        try {
            HttpEntity entity = response1.getEntity();

            System.out.println("Login form get: " + response1.getStatusLine());
            EntityUtils.consume(entity);

            System.out.println("Initial set of cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response1.close();
        }

        String code = "";
        try {
            HttpUriRequest httpgetCode = RequestBuilder.get()
                    .setUri("http://www.ksf-food.com/admin/inc/checkcode.asp").setConfig(config).build();

            /*
             * HttpGet httpgetCode = new HttpGet(
             * "http://www.qufuev.com/admin/inc/checkcode.asp");
             * httpgetCode.setConfig(config);
             */

            System.out.println("Executing request " + httpgetCode.getRequestLine());
            System.out.println("========================================================");
            System.out.println("==httpget header ==");
            for (Header header : httpgetCode.getAllHeaders()) {
                System.out.println(header.getName() + ":" + header.getValue());
            }
            System.out.println("==httpget header ==");

            ResponseHandler<String> responseHandler = new ResponseHandler<String>() {
                public String handleResponse(final HttpResponse response)
                        throws ClientProtocolException, IOException {
                    int status = response.getStatusLine().getStatusCode();
                    if (status >= 200 && status < 300) {
                        HttpEntity entity = response.getEntity();
                        System.out.println("==respons header ==");
                        for (Header header : response.getAllHeaders()) {
                            System.out.println(header.getName() + ":" + header.getValue());
                        }
                        System.out.println("==respons header ==");
                        String fileName = System.currentTimeMillis() + "";
                        DataOutputStream dataOutputStream = new DataOutputStream(
                                new FileOutputStream("d://test//e3//" + fileName + ".jpg"));
                        dataOutputStream.write(EntityUtils.toByteArray(entity));
                        dataOutputStream.close();
                        return ImageTest.getAllOcr("d://test//e3//" + fileName + ".jpg");
                    } else {
                        throw new ClientProtocolException("Unexpected response status: " + status);
                    }
                }

            };
            code = httpclient.execute(httpgetCode, responseHandler);
            System.out.println("ClientFormLogin.main()-CheckCode:" + code);
            System.out.println("----------------------------------------");
        } catch (IOException e) {
            e.printStackTrace();
        }

        HttpUriRequest login = RequestBuilder.post()
                .setUri(new URI("http://www.ksf-food.com/admin/Admin_ChkLogin.asp"))
                .addParameter("UserName", "username").addParameter("Password", "password")
                .addParameter("CheckCode", code).setConfig(config).build();

        System.out.println("========================================================");
        System.out.println("==httpget header ==");
        for (Header header : login.getAllHeaders()) {
            System.out.println(header.getName() + ":" + header.getValue());
        }

        CloseableHttpResponse response2 = httpclient.execute(login);
        try {
            HttpEntity entity = response2.getEntity();

            System.out.println("Login form post: " + response2.getStatusLine());
            // EntityUtils.consume(entity);
            System.out.println("ClientFormLogin.main():\\n" + EntityUtils.toString(entity, "GBK"));

            System.out.println("Post logon cookies:");
            List<Cookie> cookies = cookieStore.getCookies();
            if (cookies.isEmpty()) {
                System.out.println("None");
            } else {
                for (int i = 0; i < cookies.size(); i++) {
                    System.out.println("- " + cookies.get(i).toString());
                }
            }
        } finally {
            response2.close();
        }
    } finally {
        httpclient.close();
    }
}

---

From source file:Main.java

public static void main(String[] args) {
    List list = new LinkedList();

    DateFormatSymbols dfs = new DateFormatSymbols();
    String[] months = dfs.getMonths();
    for (int i = 0; i < months.length; i++) {
        String month = months[i];
        list.add(month);/*w  ww.j  a v a2  s .  c o  m*/
    }

    Collections.sort(list);
    System.out.println("Month Names = " + list);
    int index = Collections.binarySearch(list, "October");
    if (index > 0) {
        System.out.println("Found at index = " + index);
        String month = (String) list.get(index);
        System.out.println("Month = " + month);
    }
}

---

From source file:com.twentyn.chemicalClassifier.Runner.java

public static void main(String[] args) throws Exception {
    BufferedReader reader = new BufferedReader(new FileReader(args[0]));
    BufferedWriter writer = new BufferedWriter(new FileWriter(args[1]));

    try {/* ww  w  . j  a va  2s  .  c  om*/
        Oscar oscar = new Oscar();

        String line = null;
        /* NOTE: this is exactly the wrong way to write a TSV reader.  Caveat emptor.
         * See http://tburette.github.io/blog/2014/05/25/so-you-want-to-write-your-own-CSV-code/
         * and then use org.apache.commons.csv.CSVParser instead.
         */
        while ((line = reader.readLine()) != null) {
            // TSV means split on tabs!  Nothing else will do.
            List<String> fields = Arrays.asList(line.split("\t"));
            // Choke if our invariants aren't satisfied.  We expect ever line to have a name and an InChI.
            if (fields.size() != 2) {
                throw new RuntimeException(
                        String.format("Found malformed line (all lines must have two fields: %s", line));
            }
            String name = fields.get(1);
            List<ResolvedNamedEntity> entities = oscar.findAndResolveNamedEntities(name);

            System.out.println("**********");
            System.out.println("Name: " + name);
            List<String> outputFields = new ArrayList<>(fields.size() + 1);
            outputFields.addAll(fields);
            if (entities.size() == 0) {
                System.out.println("No match");
                outputFields.add("noMatch");
            } else if (entities.size() == 1) {
                ResolvedNamedEntity entity = entities.get(0);
                NamedEntity ne = entity.getNamedEntity();
                if (ne.getStart() != 0 || ne.getEnd() != name.length()) {
                    System.out.println("Partial match");
                    printEntity(entity);
                    outputFields.add("partialMatch");
                } else {
                    System.out.println("Exact match");
                    printEntity(entity);
                    outputFields.add("exactMatch");
                    List<ChemicalStructure> structures = entity.getChemicalStructures(FormatType.STD_INCHI);
                    for (ChemicalStructure s : structures) {
                        outputFields.add(s.getValue());
                    }
                }
            } else { // Multiple matches found!
                System.out.println("Multiple matches");
                for (ResolvedNamedEntity e : entities) {
                    printEntity(e);
                }
                outputFields.add("multipleMatches");
            }

            writer.write(String.join("\t", outputFields));
            writer.newLine();
        }
    } finally {
        writer.flush();
        writer.close();
    }
}

---

From source file:net.itransformers.postDiscoverer.core.ReportManager.java

public static void main(String[] args) throws IOException {

    File projectDir = new File(".");
    File scriptPath = new File("postDiscoverer/src/main/resources/postDiscoverer/conf/groovy/");

    ResourceManagerFactory resourceManagerFactory = new XmlResourceManagerFactory(
            "iDiscover/resourceManager/xmlResourceManager/src/main/resources/xmlResourceManager/conf/xml/resource.xml");
    Map<String, String> resourceManagerParams = new HashMap<>();
    resourceManagerParams.put("projectPath", projectDir.getAbsolutePath());
    ResourceManager resourceManager = resourceManagerFactory.createResourceManager("xml",
            resourceManagerParams);/* w w w.j av  a 2s. c om*/

    Map<String, String> params = new HashMap<String, String>();
    params.put("protocol", "telnet");
    params.put("deviceName", "R1");
    params.put("deviceType", "CISCO");
    params.put("address", "10.17.1.5");
    params.put("port", "23");

    ResourceType resource = resourceManager.findFirstResourceBy(params);
    List connectParameters = resource.getConnectionParams();

    for (int i = 0; i < connectParameters.size(); i++) {
        ConnectionParamsType connParamsType = (ConnectionParamsType) connectParameters.get(i);

        String connectionType = connParamsType.getConnectionType();
        if (connectionType.equalsIgnoreCase(params.get("protocol"))) {

            for (ParamType param : connParamsType.getParam()) {
                params.put(param.getName(), param.getValue());
            }

        }
    }

    File postDiscoveryConfing = new File(
            projectDir + "/postDiscoverer/src/main/resources/postDiscoverer/conf/xml/reportGenerator.xml");
    if (!postDiscoveryConfing.exists()) {
        System.out.println("File missing: " + postDiscoveryConfing.getAbsolutePath());
        return;
    }

    ReportGeneratorType reportGenerator = null;

    FileInputStream is = new FileInputStream(postDiscoveryConfing);
    try {
        reportGenerator = JaxbMarshalar.unmarshal(ReportGeneratorType.class, is);
    } catch (JAXBException e) {
        logger.info(e); //To change body of catch statement use File | Settings | File Templates.
    } finally {
        is.close();
    }

    ReportManager reportManager = new ReportManager(reportGenerator, scriptPath.getPath(), projectDir,
            "postDiscoverer/conf/xslt/table_creator.xslt");
    StringBuffer report = null;

    HashMap<String, Object> groovyExecutorParams = new HashMap<String, Object>();

    for (String s : params.keySet()) {
        groovyExecutorParams.put(s, params.get(s));
    }

    try {
        report = reportManager.reportExecutor(
                new File("/Users/niau/Projects/Projects/netTransformer10/version1/post-discovery"),
                groovyExecutorParams);
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    }
    if (report != null) {
        System.out.println(report.toString());

    } else {
        System.out.println("Report generation failed!");

    }
}

---

From source file:com.bluepixel.security.manager.ServerClient_test.java

public static void main(String[] args)
        throws NoSuchAlgorithmException, InvalidKeyException, NoSuchPaddingException, IllegalBlockSizeException,
        BadPaddingException, Base64DecoderException, InvalidKeySpecException {
    // TODO Auto-generated method stub
    //      ServerClient_test test = new ServerClient_test();
    //      Key key = test.getSecretKey();      
    //      String plainKey = Base64.encodeWebSafe(key.getEncoded(), false);
    //      String cipherMessage = test.encryptMessage(key, message);
    ///* w w w .j a  v a 2 s .c o m*/
    //      System.out.println("*********** Sender *************");
    //      System.out.println("Plain Text : " + cipherMessage);
    //      System.out.println("cipher Text : " + cipherMessage);
    //      System.out.println("secret key : " + plainKey);
    //
    //      KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    //      keyGen.initialize(1024);
    //      KeyPair keyPair = keyGen.generateKeyPair();
    //      Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
    //      cipher.init(Cipher.ENCRYPT_MODE, keyPair.getPrivate());
    //      String cipherText = Base64.encodeWebSafe(cipher.doFinal(plainKey.getBytes()), false);
    //      System.out.println("secret key  (encrypted with PKI): " + cipherText);
    //
    //
    //      cipher.init(Cipher.DECRYPT_MODE, keyPair.getPublic());
    //      byte[] plainKeyByte = cipher.doFinal(Base64.decodeWebSafe(cipherText));      
    //      String original = test.decryptMessage(getKeyFromString(new String(plainKeyByte)), cipherMessage);
    //
    //      System.out.println("\n*********** Receiver *************");
    //      System.out.println("secret key  (encrypted with PKI): " + cipherText);
    //      System.out.println("secret key : " + new String(plainKey));
    //      System.out.println("original message : " + original);
    //
    //
    //      System.out.println("cipher key : " + cipherText);
    //      System.out.println("cipher message : " + cipherMessage);

    System.out.println("\n*********** Test Client authentication *************");
    //Server.init();
    //      try {
    //         Client.connect();
    //      } catch (NoSuchProviderException e) {
    //
    //      }

    List<String> str = decodePoly(
            "ie}Fq}wxRj@uBFUd@yBLm@h@_C^mBp@sC`AeEH[BENq@?AFYDO?C?AFW@A@IFUPy@TcAFWF[~@aEhAgF@S?M?aAAQ?YAe@?]?e@");
    for (int i = 0; i < str.size(); i++) {
        System.out.println(i + " " + str.get(i));
    }

}

---

From source file:Main.java

public static void main(String args[]) {
    List<Character> ll = new LinkedList<Character>();

    for (char n = 'A'; n <= 'Z'; n++)
        ll.add(n);//from w  w w .j a  v  a2 s.  c  om

    Collections.shuffle(ll);

    for (Character x : ll)
        System.out.print(x + " ");
    Collections.sort(ll);

    for (Character x : ll)
        System.out.print(x + " ");

    System.out.println("Searching for F.");
    int i = Collections.binarySearch(ll, 'F');

    if (i >= 0) {
        System.out.println("Found at index " + i);
        System.out.println("Object is " + ll.get(i));
    }
}

---

From source file:glacierpipe.GlacierPipeMain.java

public static void main(String[] args) throws IOException, ParseException {
    CommandLineParser parser = new GnuParser();

    CommandLine cmd = parser.parse(OPTIONS, args);

    if (cmd.hasOption("help")) {
        try (PrintWriter writer = new PrintWriter(System.err)) {
            printHelp(writer);/*from  w  w  w  .  j ava  2 s  .  c o m*/
        }

        System.exit(0);
    } else if (cmd.hasOption("upload")) {

        // Turn the CommandLine into Properties
        Properties cliProperties = new Properties();
        for (Iterator<?> i = cmd.iterator(); i.hasNext();) {
            Option o = (Option) i.next();

            String opt = o.getLongOpt();
            opt = opt != null ? opt : o.getOpt();

            String value = o.getValue();
            value = value != null ? value : "";

            cliProperties.setProperty(opt, value);
        }

        // Build up a configuration
        ConfigBuilder configBuilder = new ConfigBuilder();

        // Archive name
        List<?> archiveList = cmd.getArgList();
        if (archiveList.size() > 1) {
            throw new ParseException("Too many arguments");
        } else if (archiveList.isEmpty()) {
            throw new ParseException("No archive name provided");
        }

        configBuilder.setArchive(archiveList.get(0).toString());

        // All other arguments on the command line
        configBuilder.setFromProperties(cliProperties);

        // Load any config from the properties file
        Properties fileProperties = new Properties();
        try (InputStream in = new FileInputStream(configBuilder.propertiesFile)) {
            fileProperties.load(in);
        } catch (IOException e) {
            System.err.printf("Warning: unable to read properties file %s; %s%n", configBuilder.propertiesFile,
                    e);
        }

        configBuilder.setFromProperties(fileProperties);

        // ...
        Config config = new Config(configBuilder);

        IOBuffer buffer = new MemoryIOBuffer(config.partSize);

        AmazonGlacierClient client = new AmazonGlacierClient(
                new BasicAWSCredentials(config.accessKey, config.secretKey));
        client.setEndpoint(config.endpoint);

        // Actual upload
        try (InputStream in = new BufferedInputStream(System.in, 4096);
                PrintWriter writer = new PrintWriter(System.err);
                ObservableProperties configMonitor = config.reloadProperties
                        ? new ObservableProperties(config.propertiesFile)
                        : null;
                ProxyingThrottlingStrategy throttlingStrategy = new ProxyingThrottlingStrategy(config);) {
            TerminalGlacierPipeObserver observer = new TerminalGlacierPipeObserver(writer);

            if (configMonitor != null) {
                configMonitor.registerObserver(throttlingStrategy);
            }

            GlacierPipe pipe = new GlacierPipe(buffer, observer, config.maxRetries, throttlingStrategy);
            pipe.pipe(client, config.vault, config.archive, in);
        } catch (Exception e) {
            e.printStackTrace(System.err);
        }

        System.exit(0);
    } else {
        try (PrintWriter writer = new PrintWriter(System.err)) {
            writer.println("No action specified.");
            printHelp(writer);
        }

        System.exit(-1);
    }
}

---

From source file:fr.ign.cogit.simplu3d.exe.DistributionGeneration.java

/**
 * @param args//  ww w .  ja  v  a 2 s.  c  om
 * @throws Exception
 */
public static void main(String[] args) throws Exception {

    IFeatureCollection<IFeature> featC = new FT_FeatureCollection<>();

    /*
     * < Retrieve the singleton instance of the parameters object...
     * initialize the parameters object with the default values provided...
     * parse the command line to eventually change the values >
     */
    Parameters p = Parameters
            .unmarshall(new File("./src/main/resources/scenario/building_parameters_project_expthese_1.xml"));
    EnvironnementOCL env = LoaderSHPOCL.load(p.getString("folder"));
    BasicPropertyUnit bpu = env.getBpU().get(1);

    ModelInstanceGraphConfigurationPredicate<Cuboid> pred = new ModelInstanceGraphConfigurationPredicate<Cuboid>(
            bpu, env.getUrbaZoneOCL().get(0));
    ModelInstanceGraphConfiguration<Cuboid> config = new ModelInstanceGraphConfiguration<>(bpu,
            pred.getRuleChecker().getlModeInstance().get(0), new ConstantEnergy<Cuboid, Cuboid>(0),
            new ConstantEnergy<Cuboid, Cuboid>(0));

    Sampler<ModelInstanceGraphConfiguration<Cuboid>, ModelInstanceModification<Cuboid>> samp = create_sampler(p,
            bpu, pred);

    // int count = 0;

    int testC = 5000;

    // int countTrue = 0;

    for (int i = 0; i < testC; i++) {

        // count++;

        ModelInstanceModification<Cuboid> modif = config.newModification();

        KernelFunctor<ModelInstanceGraphConfiguration<Cuboid>, ModelInstanceModification<Cuboid>> kf = new KernelFunctor<>(
                Random.random(), config, modif);

        RandomApply.randomApply(0, samp.getKernels(), kf);

        boolean test = true; // samp.checkNonUpdateConfiguration(kf);

        List<Cuboid> lAB = (List<Cuboid>) kf.getModif().getBirth();

        if (test) {

            // countTrue++;

            if (lAB.size() != 1) {
                System.out.println("Probabilit suprieure  1 ?");
                return;
            }

            Cuboid c1 = lAB.get(0);

            IFeature f = new DefaultFeature();
            f.setGeom(new GM_Point(new DirectPosition(c1.centerx, c1.centery)));

            AttributeManager.addAttribute(f, "l", c1.length, "Double");
            AttributeManager.addAttribute(f, "w", c1.width, "Double");
            AttributeManager.addAttribute(f, "h", c1.height, "Double");
            AttributeManager.addAttribute(f, "o", c1.orientation, "Double");

            featC.add(f);
        }

    }

    ShapefileWriter.write(featC, "H:/Distrib/dist.shp");

    ShapefileWriter.write(featCD, "H:/Distrib/distdeb.shp");

}

---

From source file:airnowgrib2tojson.AirNowGRIB2toJSON.java

/**
 * @param args the command line arguments
 *//*from  w w w.j  a  v a2  s .c  o m*/
public static void main(String[] args) {

    SimpleDateFormat GMT = new SimpleDateFormat("yyMMddHH");
    GMT.setTimeZone(TimeZone.getTimeZone("GMT-2"));

    System.out.println(GMT.format(new Date()));

    FTPClient ftpClient = new FTPClient();
    FileOutputStream fos = null;

    try {
        //Connecting to AirNow FTP server to get the fresh AQI data  
        ftpClient.connect("ftp.airnowapi.org");
        ftpClient.login("pixelshade", "GZDN8uqduwvk");
        ftpClient.enterLocalPassiveMode();
        ftpClient.setFileType(FTP.BINARY_FILE_TYPE);

        //downloading .grib2 file
        File of = new File("US-" + GMT.format(new Date()) + "_combined.grib2");
        OutputStream outstr = new BufferedOutputStream(new FileOutputStream(of));
        InputStream instr = ftpClient
                .retrieveFileStream("GRIB2/US-" + GMT.format(new Date()) + "_combined.grib2");
        byte[] bytesArray = new byte[4096];
        int bytesRead = -1;
        while ((bytesRead = instr.read(bytesArray)) != -1) {
            outstr.write(bytesArray, 0, bytesRead);
        }

        //Close used resources
        ftpClient.completePendingCommand();
        outstr.close();
        instr.close();

        // logout the user 
        ftpClient.logout();

    } catch (SocketException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            //disconnect from AirNow server
            ftpClient.disconnect();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    try {
        //Open .grib2 file
        final File AQIfile = new File("US-" + GMT.format(new Date()) + "_combined.grib2");
        final GridDataset gridDS = GridDataset.open(AQIfile.getAbsolutePath());

        //The data type needed - AQI; since it isn't defined in GRIB2 standard,
        //Aerosol type is used instead; look AirNow API documentation for details.
        GridDatatype AQI = gridDS.findGridDatatype("Aerosol_type_msl");

        //Get the coordinate system for selected data type;
        //cut the rectangle to work with - time and height axes aren't present in these files
        //and latitude/longitude go "-1", which means all the data provided.
        GridCoordSystem AQIGCS = AQI.getCoordinateSystem();
        List<CoordinateAxis> AQI_XY = AQIGCS.getCoordinateAxes();
        Array AQIslice = AQI.readDataSlice(0, 0, -1, -1);

        //Variables for iterating through coordinates
        VariableDS var = AQI.getVariable();
        Index index = AQIslice.getIndex();

        //Variables for counting lat/long from the indices provided
        double stepX = (AQI_XY.get(2).getMaxValue() - AQI_XY.get(2).getMinValue()) / index.getShape(1);
        double stepY = (AQI_XY.get(1).getMaxValue() - AQI_XY.get(1).getMinValue()) / index.getShape(0);
        double curX = AQI_XY.get(2).getMinValue();
        double curY = AQI_XY.get(1).getMinValue();

        //Output details
        OutputStream ValLog = new FileOutputStream("USA_AQI.json");
        Writer ValWriter = new OutputStreamWriter(ValLog);

        for (int j = 0; j < index.getShape(0); j++) {
            for (int i = 0; i < index.getShape(1); i++) {
                float val = AQIslice.getFloat(index.set(j, i));

                //Write the AQI value and its coordinates if it's present by i/j indices
                if (!Float.isNaN(val))
                    ValWriter.write("{\r\n\"lat\":" + curX + ",\r\n\"lng\":" + curY + ",\r\n\"AQI\":" + val
                            + ",\r\n},\r\n");

                curX += stepX;
            }
            curY += stepY;
            curX = AQI_XY.get(2).getMinValue();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

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