Example usage for java.net HttpURLConnection getInputStream

Introduction

In this page you can find the example usage for java.net HttpURLConnection 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.ecofactor.qa.automation.platform.util.FileUtil.java

/**
 * Download Mobile Zip File from jenkinsosx.ecofactor.com
 * @param webURL the web url//from w w w. j ava  2s .  c  o m
 * @param destinationPath the destination path
 */
public static void downloadFileFromURL(final String webURL, final String destinationPath) {

    LogUtil.setLogString(new StringBuilder("Download File from location :").append(webURL).toString(), true);
    try {
        final URL url = new URL(webURL);
        final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        final InputStream inStream = connection.getInputStream();
        final FileOutputStream outStream = new FileOutputStream(new File(destinationPath));
        final byte[] buf = new byte[1024];
        int inByte = inStream.read(buf);
        while (inByte >= 0) {
            outStream.write(buf, 0, inByte);
            inByte = inStream.read(buf);
        }
        outStream.flush();
        outStream.close();
    } catch (Exception e) {
        LOGGER.error("Error in download file", e);
    }
}

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From source file:controllers.IndexServlet.java

private static void Track(HttpServletRequest request, HttpServletResponse response, PrintWriter writer) {
    String userAddress = request.getParameter("userAddress");
    String fileName = request.getParameter("fileName");

    String storagePath = DocumentManager.StoragePath(fileName, userAddress);
    String body = "";

    try {/*from   ww  w  . ja  va  2s  .c om*/
        Scanner scanner = new Scanner(request.getInputStream()).useDelimiter("\\A");
        body = scanner.hasNext() ? scanner.next() : "";
    } catch (Exception ex) {
        writer.write("get request.getInputStream error:" + ex.getMessage());
        return;
    }

    if (body.isEmpty()) {
        writer.write("empty request.getInputStream");
        return;
    }

    JSONParser parser = new JSONParser();
    JSONObject jsonObj;

    try {
        Object obj = parser.parse(body);
        jsonObj = (JSONObject) obj;
    } catch (Exception ex) {
        writer.write("JSONParser.parse error:" + ex.getMessage());
        return;
    }

    long status = (long) jsonObj.get("status");

    if (status == 2 || status == 3)//MustSave, Corrupted
    {
        String downloadUri = (String) jsonObj.get("url");

        int saved = 1;
        try {
            URL url = new URL(downloadUri);
            java.net.HttpURLConnection connection = (java.net.HttpURLConnection) url.openConnection();
            InputStream stream = connection.getInputStream();

            if (stream == null) {
                throw new Exception("Stream is null");
            }

            File savedFile = new File(storagePath);
            try (FileOutputStream out = new FileOutputStream(savedFile)) {
                int read;
                final byte[] bytes = new byte[1024];
                while ((read = stream.read(bytes)) != -1) {
                    out.write(bytes, 0, read);
                }

                out.flush();
            }

            connection.disconnect();

        } catch (Exception ex) {
            saved = 0;
        }
    }

    writer.write("{\"error\":0}");
}

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From source file:com.uniteddev.Unity.Downloader.java

public static void downloadFiles() throws MalformedURLException, IOException, InterruptedException {

    class downloadFile implements Runnable {
        private int i;

        downloadFile(int i) {
            this.i = i;
        }//ww w  .java2 s  .c  o  m

        public void run() {
            String filename = files.get(this.i).substring(files.get(this.i).lastIndexOf('/') + 1,
                    files.get(this.i).length());
            File f = new File(Minecraft.getWorkingDirectory(), files.get(this.i));
            try {
                Login.progressText.setText("Downloading: " + filename);
                System.out.println("Downloading: " + filename);
                //System.out.println("Currently attempting Pool Index: "+this.i);
                HttpURLConnection connect_url = setupHTTP(Unity.url + Unity.folder + "/" + files.get(this.i));
                FileUtils.copyInputStreamToFile(connect_url.getInputStream(), f);
            } catch (FileNotFoundException e) {
                Login.progressText.setText("File not found!");
            } catch (MalformedURLException e) {
                System.out.println("DEV: FIX URL");
                e.printStackTrace();
            } catch (IOException e) {
                System.out.println("FileSystem Error");
                e.printStackTrace();
            }
        }
    }

    Login.progressText.setText("Downloading new files...");
    System.out.println("Downloading new files...");
    System.out.println("Number of files to download: " + files.size());
    ExecutorService pool = Executors.newFixedThreadPool(10);
    for (int i = 0; i < files.size(); i++) {
        pool.submit(new downloadFile(i));
        Login.progress.setValue((int) (((double) i / files.size()) * 100));
    }
    pool.shutdown();
    pool.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
}

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From source file:com.evrythng.java.wrapper.util.FileUtils.java

private static void validateConnectionAfterUpload(final HttpURLConnection connection) throws IOException {

    int responseCode = connection.getResponseCode();
    if (responseCode == 200) {
        try (final InputStream is = connection.getInputStream()) {
            while (is.read() > 0) {
                // consume
            }/*ww  w. j av  a2  s . c o  m*/
        }
    } else {
        try (final InputStream is = connection.getErrorStream()) {
            final String error = IOUtils.toString(is);
            throw new IOException(String.format("Unable to upload file. Got error %d %s: %s", responseCode,
                    connection.getResponseMessage(), error));
        }
    }
    connection.disconnect();
}

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From source file:Main.java

public static void server2mobile(Context context, String type) {

    String serverPath = "http://shaunrain.zicp.net/FileUp/QueryServlet?type=" + type;
    try {/*from ww w .j  a v  a2s  .c om*/
        URL url = new URL(serverPath);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setConnectTimeout(10000);
        conn.setRequestMethod("GET");

        int code = conn.getResponseCode();
        Log.d("code", code + "");
        if (code == 200) {
            InputStream is = conn.getInputStream();

            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int len = 0;
            byte[] buffer = new byte[1024];

            while ((len = is.read(buffer)) != -1) {
                baos.write(buffer, 0, len);
            }
            is.close();
            conn.disconnect();

            String result = new String(baos.toByteArray());
            String[] results = result.split("[$]");
            for (String r : results) {
                if (r.length() != 0) {
                    URL json = new URL(r);
                    HttpURLConnection con = (HttpURLConnection) json.openConnection();
                    con.setConnectTimeout(5000);
                    con.setRequestMethod("GET");
                    int co = con.getResponseCode();
                    if (co == 200) {
                        File jsonFile;
                        if (r.endsWith("clear.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/clear.json");
                        } else if (r.endsWith("crowd.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/crowd.json");
                        } else if (r.endsWith("trouble.json")) {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/trouble.json");
                        } else {
                            jsonFile = new File(
                                    Environment.getExternalStorageDirectory() + "/traffic_json/control.json");
                        }

                        if (jsonFile.exists())
                            jsonFile.delete();
                        jsonFile.createNewFile();
                        try (BufferedReader reader = new BufferedReader(
                                new InputStreamReader(con.getInputStream(), "gb2312"));
                                BufferedWriter writer = new BufferedWriter(new FileWriter(jsonFile));) {
                            String line = null;
                            while ((line = reader.readLine()) != null) {
                                writer.write(line);
                            }
                        }

                    }
                    con.disconnect();
                }
            }

        }

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

---

From source file:net.ftb.data.news.RSSReader.java

public static List<NewsArticle> readRSS() {
    try {//from www.  j a v  a  2 s .  com
        List<NewsArticle> news = Lists.newArrayList();

        DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        URL u = new URL(Locations.feedURL);
        HttpURLConnection conn = (HttpURLConnection) u.openConnection();
        conn.connect();
        if (conn.getResponseCode() != 200) {
            Logger.logWarn("News download failed");
            AppUtils.debugConnection(conn);
            conn.disconnect();
            return null;
        }
        Document doc = builder.parse(conn.getInputStream());
        NodeList nodes = doc.getElementsByTagName("item");

        for (int i = 0; i < nodes.getLength(); i++) {
            Element element = (Element) nodes.item(i);
            NewsArticle article = new NewsArticle();
            article.setTitle(getTextValue(element, "title"));
            article.setHyperlink(getTextValue(element, "link"));
            article.setBody(getTextValue(element, "content:encoded"));
            article.setDate(getTextValue(element, "pubDate"));
            news.add(article);
        }

        return news;
    } catch (Exception ex) {
        Logger.logWarn("News download failed", ex);
        return null;
    }
}

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From source file:com.wisdombud.right.client.common.HttpKit.java

private static String readResponseString(HttpURLConnection conn) {
    final StringBuilder sb = new StringBuilder();
    InputStream inputStream = null;
    try {/*from  w  w  w .j  a  v  a  2s.c om*/
        inputStream = conn.getInputStream();
        final BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, CHARSET));
        String line = null;
        while ((line = reader.readLine()) != null) {
            sb.append(line).append("\n");
        }
        return sb.toString();
    } catch (final Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (final IOException e) {
            }
        }
    }
}

---

From source file:Main.java

public static Bitmap downLoadBitmap(String httpUrl) {
    InputStream inputStream = null;
    try {//w  w  w  . ja  v a 2s.  com
        URL url = new URL(httpUrl);

        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.setDoInput(true);
        conn.setReadTimeout(5000);
        conn.setConnectTimeout(5000);
        conn.connect();
        int responseCode = conn.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            inputStream = conn.getInputStream();

            Bitmap bitmap = BitmapFactory.decodeStream(inputStream);

            return bitmap;
        }
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return null;
}

---

From source file:com.camel.trainreserve.JDKHttpsClient.java

protected static String getResponseAsString(HttpURLConnection conn) throws IOException {
    String charset = getResponseCharset(conn.getContentType());
    InputStream es = conn.getErrorStream();
    if (es == null) {
        return getStreamAsString(conn.getInputStream(), charset);
    } else {//from w  w w .j a v a2  s  . c om
        String msg = getStreamAsString(es, charset);
        if (StringUtils.isEmpty(msg)) {
            throw new IOException(conn.getResponseCode() + ":" + conn.getResponseMessage());
        } else {
            throw new IOException(msg);
        }
    }
}

---

From source file:de.Keyle.MyPet.util.player.UUIDFetcher.java

public static Map<String, UUID> call(List<String> names) {
    names = new ArrayList<String>(names);
    Iterator<String> iterator = names.iterator();
    while (iterator.hasNext()) {
        String playerName = iterator.next();
        if (fetchedUUIDs.containsKey(playerName)) {
            iterator.remove();/*from w  ww. j  a v a  2  s.c  om*/
        }
    }
    if (names.size() == 0) {
        return readonlyFetchedUUIDs;
    }

    int count = names.size();

    DebugLogger.info("get UUIDs for " + names.size() + " player(s)");
    int requests = (int) Math.ceil(names.size() / PROFILES_PER_REQUEST);
    try {
        for (int i = 0; i < requests; i++) {
            HttpURLConnection connection = createConnection();
            String body = JSONArray.toJSONString(names.subList(i * 100, Math.min((i + 1) * 100, names.size())));
            writeBody(connection, body);
            JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));
            count -= array.size();
            for (Object profile : array) {
                JSONObject jsonProfile = (JSONObject) profile;
                String id = (String) jsonProfile.get("id");
                String name = (String) jsonProfile.get("name");
                UUID uuid = UUIDFetcher.getUUID(id);
                fetchedUUIDs.put(name, uuid);
            }
            if (rateLimiting && i != requests - 1) {
                Thread.sleep(100L);
            }
        }
    } catch (InterruptedException e) {
        e.printStackTrace();
    } catch (ParseException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (count > 0) {
        MyPetLogger.write("Can not get UUIDs for " + count + " players. Pets of these player may be lost.");
    }
    return readonlyFetchedUUIDs;
}

---

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