Example usage for java.net URLConnection getInputStream

Introduction

In this page you can find the example usage for java.net URLConnection getInputStream.

Prototype

public InputStream getInputStream() throws IOException 

Source Link

Document

Returns an input stream that reads from this open connection.

Usage

From source file:com.tbs.devcorner.simple.App.java

public static void main(String[] args) {
    try {/* ww  w .  j  a  v a 2  s  .c o  m*/
        // Build Connection
        URL api_url = new URL("http://www.earthquakescanada.nrcan.gc.ca/api/earthquakes/");
        URLConnection api = api_url.openConnection();

        // Set HTTP Headers
        api.setRequestProperty("Accept", "application/json");
        api.setRequestProperty("Accept-Language", "en");

        // Get Response
        JSONTokener tokener = new JSONTokener(api.getInputStream());
        JSONObject jsondata = new JSONObject(tokener);

        // Display API name
        System.out.println(jsondata.getJSONObject("metadata").getJSONObject("request").getJSONObject("name")
                .get("en").toString());

        // Iterate over latest links
        JSONObject latest = jsondata.getJSONObject("latest");
        for (Object item : latest.keySet()) {
            System.out.println(item.toString() + " -> " + latest.get(item.toString()));
        }

    } catch (MalformedURLException e) {
        System.out.println("Malformed URL");
    } catch (IOException e) {
        System.out.println("IO Error");
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);/*from   ww w . j  a  v a 2 s .  c  o m*/
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

    writer.write("value=1&anotherValue=1");
    writer.flush();
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }
    writer.close();
    reader.close();

}

---

From source file:com.tbs.devcorner.simple.App.java

public static void main(String[] args) {
    try {//ww w .ja  va  2s.c  o  m
        // Crer la connexion
        URL api_url = new URL("http://www.earthquakescanada.nrcan.gc.ca/api/earthquakes/");
        URLConnection api = api_url.openConnection();

        // Dfinir les en-ttes HTTP
        api.setRequestProperty("Accept", "application/json");
        api.setRequestProperty("Accept-Language", "fr");

        // Obtenir la rponse
        JSONTokener tokener = new JSONTokener(api.getInputStream());
        JSONObject jsondata = new JSONObject(tokener);

        // Afficher le nom de lAPI
        System.out.println(jsondata.getJSONObject("metadata").getJSONObject("request").getJSONObject("name")
                .get("fr").toString());

        // Rpter lopration sur les liens les plus rcents
        JSONObject latest = jsondata.getJSONObject("latest");
        for (Object item : latest.keySet()) {
            System.out.println(item.toString() + " -> " + latest.get(item.toString()));
        }

    } catch (MalformedURLException e) {
        System.out.println("URL mal forme");
    } catch (IOException e) {
        System.out.println("Erreur dE/S");
    }
}

---

From source file:MainClass.java

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

    URL u = new URL("http://www.java2s.com/binary.dat");
    URLConnection uc = u.openConnection();
    String contentType = uc.getContentType();
    int contentLength = uc.getContentLength();
    if (contentType.startsWith("text/") || contentLength == -1) {
        throw new IOException("This is not a binary file.");
    }/*w  w  w  .  ja v  a 2 s .c o  m*/
    InputStream raw = uc.getInputStream();
    InputStream in = new BufferedInputStream(raw);
    byte[] data = new byte[contentLength];
    int bytesRead = 0;
    int offset = 0;
    while (offset < contentLength) {
        bytesRead = in.read(data, offset, data.length - offset);
        if (bytesRead == -1)
            break;
        offset += bytesRead;
    }
    in.close();

    if (offset != contentLength) {
        throw new IOException("Only read " + offset + " bytes; Expected " + contentLength + " bytes");
    }

    String filename = u.getFile().substring(filename.lastIndexOf('/') + 1);
    FileOutputStream out = new FileOutputStream(filename);
    out.write(data);
    out.flush();
    out.close();
}

---

From source file:Reverse.java

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

    if (args.length != 1) {
        System.err.println("Usage:  java Reverse " + "string_to_reverse");
        System.exit(1);/* ww w .j a  v a  2s.  com*/
    }

    String stringToReverse = URLEncoder.encode(args[0]);

    URL url = new URL("http://java.sun.com/cgi-bin/backwards");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("string=" + stringToReverse);
    out.close();

    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String inputLine;

    while ((inputLine = in.readLine()) != null)
        System.out.println(inputLine);

    in.close();
}

---

From source file:com.doculibre.constellio.lang.html.HtmlLangDetector.java

public static void main(String[] args) throws Exception {
    //java.net.URL url = new java.net.URL("http://www.gouv.qc.ca");
    java.net.URL url = new java.net.URL("http://andrew.triumf.ca/multilingual/samples/french.meta.html");
    java.net.URLConnection connection = url.openConnection();
    java.io.InputStream is = null;
    String content = null;//ww w .  jav a  2s.c  o  m
    try {
        is = connection.getInputStream();
        content = IOUtils.toString(is);
    } finally {
        IOUtils.closeQuietly(is);
    }

    HtmlLangDetector langDetector = new HtmlLangDetector();
    System.out.println(langDetector.getLang(content));
}

---

From source file:Main.java

public static void main(String args[]) throws Exception {
    String fullURL = args[0];/*w w w  .  j a v  a  2  s .c  o  m*/
    URL u = new URL(fullURL);
    URLConnection conn = u.openConnection();
    conn.setDoInput(true);
    OutputStream theControl = conn.getOutputStream();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(theControl));
    for (int i = 1; i < args.length; i++) {
        out.write(args[i] + "\n");
    }
    out.close();
    InputStream theData = conn.getInputStream();

    String contentType = conn.getContentType();
    if (contentType.toLowerCase().startsWith("text")) {
        BufferedReader in = new BufferedReader(new InputStreamReader(theData));
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    }
}

---

From source file:Main.java

public static void main(String args[]) throws Exception {
    String fullURL = args[0];//from  w w w  .j  av a  2s. c o  m
    URL u = new URL(fullURL);
    URLConnection conn = u.openConnection();
    conn.setDoOutput(true);
    OutputStream theControl = conn.getOutputStream();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(theControl));
    for (int i = 1; i < args.length; i++) {
        out.write(args[i] + "\n");
    }
    out.close();
    InputStream theData = conn.getInputStream();

    String contentType = conn.getContentType();
    if (contentType.toLowerCase().startsWith("text")) {
        BufferedReader in = new BufferedReader(new InputStreamReader(theData));
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    }
}

---

From source file:org.dlut.mycloudserver.service.performancemonitor.PerformanceListener.java

public static void main(String[] args) {
    long t1 = System.currentTimeMillis();

    String url = "http://127.0.0.1:8001";
    URLConnection conn;
    try {/*from   ww  w  .jav  a2  s .  c om*/
        conn = new URL(url).openConnection();
        conn.setConnectTimeout(1000);
        conn.setReadTimeout(1000);
        InputStream is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String res = br.readLine();
        br.close();
        is.close();
        JSONObject jsonRes = JSON.parseObject(res);
        double loadAverage = jsonRes.getDoubleValue("loadAverage");
        System.out.println(loadAverage);
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    long t2 = System.currentTimeMillis();

    System.out.println((t2 - t1) + "ms");
}

---

From source file:geocodingissues.Main.java

/**
 * @param args the command line arguments
 *//*from  ww w  .  j  a va2s.co m*/
public static void main(String[] args) throws JSONException {
    Main x = new Main();
    ResultSet rs = null;

    x.establishConnection();
    //x.addColumns(); //already did this

    rs = x.getLatLong();

    int id;
    double latitude;
    double longitude;
    String req;

    String street_no;
    String street;
    String neighborhood;
    String locality;
    String PC;

    JSONObject jObject;
    JSONArray resultArray;
    JSONArray compArray;

    try {
        while (rs.next()) {
            id = rs.getInt("id");
            latitude = rs.getDouble("latitude");
            longitude = rs.getDouble("longitude");

            //System.out.println("id: " + id);

            req = "https://maps.googleapis.com/maps/api/geocode/json?latlng=" + Double.toString(latitude) + ","
                    + Double.toString(longitude)
                    + "&result_type=street_address|neighborhood|locality|postal_code&key=" + key;

            try {
                URL url = new URL(req + "&sensor=false");
                URLConnection conn = url.openConnection();
                ByteArrayOutputStream output = new ByteArrayOutputStream(1024);
                IOUtils.copy(conn.getInputStream(), output);
                output.close();
                req = output.toString();
            } catch (Exception e) {
                System.out.println("Geocoding Error");
            }
            if (req.contains("OVER_QUERY_LIMIT")) {
                System.out.println("Over Daily Query Limit");
                System.exit(0);
            }
            if (!req.contains("ZERO_RESULTS")) {
                //System.out.println("req: ");
                //System.out.println(req);
                jObject = new JSONObject(req);
                resultArray = jObject.getJSONArray("results");

                // Retrieve information on street address and insert into table
                compArray0 = resultArray.getJSONObject(0).getJSONArray("address_components");
                street_no = compArray0.getJSONObject(0).getString("long_name");
                street = compArray0.getJSONObject(1).getString("long_name");
                x.insertValues(id, street_no, street);

                // Retrieve information on neighborhood and insert into table
                compArray1 = resultArray.getJSONObject(1).getJSONArray("address_components");
                neighborhood = compArray1.getJSONObject(0).getString("long_name");
                x.insertNbhd(id, neighborhood);

                // Retrieve information on locality and insert into table
                compArray2 = resultArray.getJSONObject(2).getJSONArray("address_components");
                locality = compArray2.getJSONObject(0).getString("long_name");
                x.insertLocality(id, locality);

                // Retrieve information on postal code and insert into table
                compArray3 = resultArray.getJSONObject(3).getJSONArray("address_components");
                PC = compArray3.getJSONObject(0).getString("long_name");
                x.insertPC(id, PC);
            }
        }
    } catch (Exception e) {
        System.out.println("Problem when updating the database.");
    }
    x.closeConnection();
}

---

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