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:main.java.gov.wa.wsdot.candidate.evaluation.App.java

/**
 * Reads in WSDOT highway camera data from Traveler Information API URL
 * using the StringBuilder Class./* w ww  . jav  a 2  s  .  com*/
 * 
 * @return JSON string read from Traveler Information API.
 * @throws Exception
 */
private String getAllCameras() throws Exception {

    StringBuilder sb = new StringBuilder();

    URL url = new URL(URL);
    URLConnection connection = url.openConnection();
    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    int cp;
    while ((cp = in.read()) != -1) {
        sb.append((char) cp);
    }
    in.close();

    return sb.toString();

}

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From source file:com.juick.android.Utils.java

public static BINResponse getBinary(Context context, final String url, final Notification progressNotification,
        int timeout) {
    try {/*from   w w  w  . j  a  v a2s  .c  om*/
        if (url == null)
            return new BINResponse("NULL url", false, null);
        URLConnection urlConnection = new URL(url).openConnection();
        InputStream inputStream = urlConnection.getInputStream();
        BINResponse binResponse = streamToByteArray(inputStream, progressNotification);
        inputStream.close();
        String location = urlConnection.getHeaderField("Location");
        if (location != null) {
            return getBinary(context, location, progressNotification, timeout);
        }
        return binResponse;
    } catch (Exception e) {
        if (progressNotification instanceof DownloadErrorNotification) {
            ((DownloadErrorNotification) progressNotification)
                    .notifyDownloadError("HTTP connect: " + e.toString());
        }
        Log.e("getBinary", e.toString());
        return new BINResponse(e.toString(), true, null);
    }
}

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From source file:me.neatmonster.spacertk.plugins.PluginsRequester.java

@Override
@SuppressWarnings("unchecked")
public void run() {
    try {/*from   ww w.  j a va2  s .  c  o m*/
        final URLConnection connection = new URL("http://api.bukget.org/api2/bukkit/plugins").openConnection();
        final BufferedReader bufferedReader = new BufferedReader(
                new InputStreamReader(connection.getInputStream()));
        final StringBuffer stringBuffer = new StringBuffer();
        String line;
        while ((line = bufferedReader.readLine()) != null)
            stringBuffer.append(line);
        bufferedReader.close();
        List<JSONObject> apiResponse = (JSONArray) JSONValue.parse(stringBuffer.toString());

        for (JSONObject o : apiResponse)
            PluginsManager.pluginsNames.add((String) o.get("name"));

    } catch (Exception e) {
        System.out.println("[SpaceBukkit] Unable to connect to BukGet, BukGet features will be disabled");
    }
}

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From source file:net.meltdowntech.steamstats.SteamUser.java

public void fetchLevel() {
    try {// w  w w .j a  v a  2 s .  c o m
        String url = String.format("http://steamcommunity.com/profiles/%s/badges", getCommunityId() + "");
        URL steam = new URL(url);
        URLConnection yc = steam.openConnection();
        Reader reader = new InputStreamReader(yc.getInputStream());
        HTMLEditorKit.Parser parser = new ParserDelegator();
        parser.parse(reader, new HTMLEditorKit.ParserCallback() {
            private boolean foundIt;

            @Override
            public void handleText(char[] data, int pos) {
                if (foundIt)
                    values.put("level", Integer.parseInt(new String(data)));
            }

            @Override
            public void handleStartTag(HTML.Tag t, MutableAttributeSet a, int pos) {
                if (t == HTML.Tag.SPAN) {
                    Object o = a.getAttribute(HTML.Attribute.CLASS);
                    if (o != null && o.equals("friendPlayerLevelNum"))
                        foundIt = true;
                }
            }

            @Override
            public void handleEndTag(HTML.Tag t, int pos) {
                if (t == HTML.Tag.SPAN)
                    foundIt = false;
            }
        }, true);

    } catch (IOException ex) {
        Util.printError("Invalid data");
    }
}

---

From source file:logic.ZybezQuery.java

private String getJsonString() throws MalformedURLException, IOException {
    URL url = new URL(apiURL + itemRequested);
    URLConnection urlConnection = url.openConnection();
    urlConnection.addRequestProperty("User-Agent", "Mozilla/5.0");
    BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));

    //Put JSON data into String message
    String message = org.apache.commons.io.IOUtils.toString(in);
    return message;
}

---

From source file:com.phonegap.plugins.videoplayer.VideoPlayer.java

private void playVideo(String url) throws IOException {

    if (url.contains("bit.ly/") || url.contains("goo.gl/") || url.contains("tinyurl.com/")
            || url.contains("youtu.be/")) {
        //support for google / bitly / tinyurl / youtube shortens
        URLConnection con = new URL(url).openConnection();
        con.connect();/*from  w  w  w  .j ava 2s.  co  m*/
        InputStream is = con.getInputStream();
        //new redirected url
        url = con.getURL().toString();
        is.close();
    }

    // Create URI
    Uri uri = Uri.parse(url);

    Intent intent = null;
    // Check to see if someone is trying to play a YouTube page.
    if (url.contains(YOU_TUBE)) {
        // If we don't do it this way you don't have the option for youtube
        uri = Uri.parse("vnd.youtube:" + uri.getQueryParameter("v"));
        if (isYouTubeInstalled()) {
            intent = new Intent(Intent.ACTION_VIEW, uri);
        } else {
            intent = new Intent(Intent.ACTION_VIEW);
            intent.setData(Uri.parse("market://details?id=com.google.android.youtube"));
        }
    } else if (url.contains(ASSETS)) {
        // get file path in assets folder
        String filepath = url.replace(ASSETS, "");
        // get actual filename from path as command to write to internal storage doesn't like folders
        String filename = filepath.substring(filepath.lastIndexOf("/") + 1, filepath.length());

        // Don't copy the file if it already exists
        File fp = new File(this.cordova.getActivity().getFilesDir() + "/" + filename);
        if (!fp.exists()) {
            this.copy(filepath, filename);
        }

        // change uri to be to the new file in internal storage
        uri = Uri.parse("file://" + this.cordova.getActivity().getFilesDir() + "/" + filename);

        // Display video player
        intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(uri, "video/*");
    } else {
        // Display video player
        intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(uri, "video/*");
    }

    this.cordova.getActivity().startActivity(intent);
}

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From source file:com.example.android.dragonTV.data.VideoProvider.java

protected JSONObject parseUrl(String urlString) {
    Log.d(TAG, "Parse URL: " + urlString);
    InputStream is = null;/*from  w  w  w.  ja  v a 2s  . c  om*/

    sThumbPrefixUrl = sContext.getResources().getString(R.string.thumb_prefix_url);
    try {
        java.net.URL url = new java.net.URL(urlString);
        URLConnection urlConnection = url.openConnection();
        is = new BufferedInputStream(urlConnection.getInputStream());
        BufferedReader reader = new BufferedReader(
                new InputStreamReader(urlConnection.getInputStream(), "UTF-8"), 8);
        StringBuilder sb = new StringBuilder();
        String line = null;
        while ((line = reader.readLine()) != null) {
            sb.append(line);
        }
        String json = sb.toString();
        return new JSONObject(json);
    } catch (Exception e) {
        Log.d(TAG, "Failed to parse the json for media list", e);
        return null;
    } finally {
        if (null != is) {
            try {
                is.close();
            } catch (IOException e) {
                Log.d(TAG, "JSON feed closed", e);
            }
        }
    }
}

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From source file:MainClass.java

private byte[] loadClassData(String name) throws ClassNotFoundException {
    byte[] buffer;
    InputStream theClassInputStream = null;
    int bufferLength = 128;
    try {/*from w w  w. j  a  v  a2 s . c  om*/
        URL classURL = new URL(url, name + ".class");
        URLConnection uc = classURL.openConnection();
        uc.setAllowUserInteraction(false);

        try {
            theClassInputStream = uc.getInputStream();
        } catch (NullPointerException e) {
            System.err.println(e);
            throw new ClassNotFoundException(name + " input stream problem");
        }
        int contentLength = uc.getContentLength();

        // A lot of web servers don't send content-lengths
        // for .class files
        if (contentLength == -1) {
            buffer = new byte[bufferLength * 16];
        } else {
            buffer = new byte[contentLength];
        }

        int bytesRead = 0;
        int offset = 0;

        while (bytesRead >= 0) {
            bytesRead = theClassInputStream.read(buffer, offset, bufferLength);
            if (bytesRead == -1)
                break;
            offset += bytesRead;
            if (contentLength == -1 && offset == buffer.length) { // grow the array
                byte temp[] = new byte[offset * 2];
                System.arraycopy(buffer, 0, temp, 0, offset);
                buffer = temp;
            } else if (offset > buffer.length) {
                throw new ClassNotFoundException(name + " error reading data into the array");
            }
        }

        if (offset < buffer.length) { // shrink the array
            byte temp[] = new byte[offset];
            System.arraycopy(buffer, 0, temp, 0, offset);
            buffer = temp;
        }

        // Make sure all the bytes were received
        if (contentLength != -1 && offset != contentLength) {
            throw new ClassNotFoundException("Only " + offset + " bytes received for " + name + "\n Expected "
                    + contentLength + " bytes");
        }
    } catch (Exception e) {
        throw new ClassNotFoundException(name + " " + e);
    } finally {
        try {
            if (theClassInputStream != null)
                theClassInputStream.close();
        } catch (IOException e) {
        }
    }
    return buffer;
}

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From source file:com.android.tools.lint.checks.GradleDetector.java

@Nullable
private static String readUrlData(@NonNull LintClient client, @NonNull GradleCoordinate dependency,
        @NonNull String query) {// w  w  w . ja  v  a 2  s . c  om
    // For unit testing: avoid network as well as unexpected new versions
    if (sMockData != null) {
        String value = sMockData.get(query);
        assert value != null : query;
        return value;
    }

    try {
        URL url = new URL(query);

        URLConnection connection = client.openConnection(url);
        if (connection == null) {
            return null;
        }
        try {
            InputStream is = connection.getInputStream();
            if (is == null) {
                return null;
            }
            BufferedReader reader = new BufferedReader(new InputStreamReader(is, UTF_8));
            try {
                StringBuilder sb = new StringBuilder(500);
                String line;
                while ((line = reader.readLine()) != null) {
                    sb.append(line);
                    sb.append('\n');
                }

                return sb.toString();
            } finally {
                reader.close();
            }
        } finally {
            client.closeConnection(connection);
        }
    } catch (IOException ioe) {
        client.log(ioe,
                "Could not connect to maven central to look up the " + "latest available version for %1$s",
                dependency);
        return null;
    }
}

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