Example usage for java.lang NullPointerException printStackTrace

List of usage examples for java.lang NullPointerException printStackTrace

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Introduction

In this page you can find the example usage for java.lang NullPointerException printStackTrace.

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:com.radicaldynamic.groupinform.services.InformOnlineService.java

private boolean checkout() {
    boolean saidGoodbye = false;

    String checkoutUrl = Collect.getInstance().getInformOnlineState().getServerUrl() + "/checkout";
    String getResult = HttpUtils.getUrlData(checkoutUrl);
    JSONObject checkout;//ww  w. ja  v  a2 s .com

    try {
        checkout = (JSONObject) new JSONTokener(getResult).nextValue();

        String result = checkout.optString(InformOnlineState.RESULT, InformOnlineState.ERROR);

        if (result.equals(InformOnlineState.OK)) {
            if (Collect.Log.INFO)
                Log.i(Collect.LOGTAG, t + "said goodbye to Group Complete");
        } else {
            if (Collect.Log.DEBUG)
                Log.d(Collect.LOGTAG, t + "device checkout unnecessary");
        }

        saidGoodbye = true;
    } catch (NullPointerException e) {
        // Communication error
        if (Collect.Log.ERROR)
            Log.e(Collect.LOGTAG, t + "no getResult to parse.  Communication error with node.js server?");
        e.printStackTrace();
    } catch (JSONException e) {
        // Parse error (malformed result)
        if (Collect.Log.ERROR)
            Log.e(Collect.LOGTAG, t + "failed to parse getResult " + getResult);
        e.printStackTrace();
    } finally {
        // Running a checkout ALWAYS "signs us out"
        mSignedIn = false;
    }

    Collect.getInstance().getInformOnlineState().setSession(null);

    return saidGoodbye;
}

From source file:com.smi.travel.monitor.MonitorAmadeus.java

protected String getField(String name) {

    String val = null;
    try {/* ww  w .ja v a  2s.  c o  m*/
        MAmadeus ama = amadeusMap.get(name);
        String line = null;
        if (StringUtils.isEmpty(ama.getSection())) {
            return null;
        }
        if (ama.getNodlm().isEmpty()) {
            ArrayList<String> lines = (ArrayList<String>) sectionData.get(ama.getSection());
            //            System.out.println("lines size(" + lines.size() + ")");
            //            System.out.println("Found class -> " + obj.getClass().getName());
            String foundLine = lines.get(0);
            line = foundLine.substring(ama.getSection().length());
            val = line.substring(ama.getStartlength() - 1, ama.getStartlength() - 1 + ama.getLength());
        } else {
            int node = Integer.parseInt(ama.getNodlm());
            ArrayList<String> sectionLine = (ArrayList<String>) sectionData.get(ama.getSection());
            String foundLine = sectionLine.get(0);
            line = foundLine.substring(ama.getSection().length());
            String[] lines = line.split(NODE_SEPARATOR);
            String foundNode = lines[node - 1];
            val = foundNode.substring(ama.getStartlength() - 1, ama.getStartlength() - 1 + ama.getLength());
        }
        System.out.println("Key [" + name + "], Value [" + val + "]");
    } catch (NullPointerException ne) {
        System.out.println("NullPointerException on field [" + name + "]");
        ne.printStackTrace();
        System.out.println("Set value [" + name + "] to 0");
        val = new String("0");
    }
    return val.trim();
}

From source file:it.mb.whatshare.GCMIntentService.java

private void readWhitelist() {
    File whitelist = new File(getFilesDir(), MainActivity.INBOUND_DEVICES_FILENAME);
    // if whitelist doesn't exist, don't bother
    long lastModified = whitelist.exists() ? whitelist.lastModified() : Long.MIN_VALUE;

    if (lastCheckedWhitelist < lastModified) {
        FileInputStream fis = null;
        try {//from  w  ww .j  av a2  s  .  c  o m
            fis = openFileInput(MainActivity.INBOUND_DEVICES_FILENAME);
            ObjectInputStream ois = new ObjectInputStream(fis);
            Object read = ois.readObject();

            @SuppressWarnings("unchecked")
            List<PairedDevice> devices = (ArrayList<PairedDevice>) read;
            senderWhitelist = new HashSet<String>();
            for (PairedDevice device : devices) {
                try {
                    senderWhitelist.add(String.valueOf(device.id.hashCode()));
                } catch (NullPointerException e) {
                    // backward compatibility... devices didn't have an ID
                    senderWhitelist.add(String.valueOf(device.name.hashCode()));
                }
            }
        } catch (FileNotFoundException e) {
            // it's ok, no whitelist, all messages are rejected
        } catch (StreamCorruptedException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            // TODO here the error should be notified I guess
            e.printStackTrace();
        } finally {
            if (fis != null)
                try {
                    fis.close();
                } catch (IOException e) {
                    // can't do much...
                    e.printStackTrace();
                }
        }
        // whatever happens, don't keep checking for nothing
        lastCheckedWhitelist = lastModified;
    }
}

From source file:com.radicaldynamic.groupinform.services.InformOnlineService.java

private boolean checkin() {
    // Assume we are registered unless told otherwise
    boolean registered = true;

    List<NameValuePair> params = new ArrayList<NameValuePair>();
    params.add(new BasicNameValuePair("deviceId", Collect.getInstance().getInformOnlineState().getDeviceId()));
    params.add(/*from  w  w w  .  j  ava 2s  . c o m*/
            new BasicNameValuePair("deviceKey", Collect.getInstance().getInformOnlineState().getDeviceKey()));
    params.add(new BasicNameValuePair("fingerprint",
            Collect.getInstance().getInformOnlineState().getDeviceFingerprint()));

    try {
        params.add(new BasicNameValuePair("lastCheckinWith",
                this.getPackageManager().getPackageInfo(this.getPackageName(), 0).versionName));
    } catch (NameNotFoundException e1) {
        params.add(new BasicNameValuePair("lastCheckinWith", "unknown"));
    }

    String checkinUrl = Collect.getInstance().getInformOnlineState().getServerUrl() + "/checkin";
    String postResult = HttpUtils.postUrlData(checkinUrl, params);
    JSONObject checkin;

    try {
        checkin = (JSONObject) new JSONTokener(postResult).nextValue();
        String result = checkin.optString(InformOnlineState.RESULT, InformOnlineState.FAILURE);

        if (result.equals(InformOnlineState.OK)) {
            if (Collect.Log.INFO)
                Log.i(Collect.LOGTAG, t + "successful checkin");
            Collect.getInstance().getInformOnlineState().setExpired(false);

            // Update device role -- it might have changed
            Collect.getInstance().getInformOnlineState()
                    .setDeviceRole(checkin.optString("role", AccountDevice.ROLE_UNASSIGNED));
        } else if (result.equals(InformOnlineState.EXPIRED)) {
            if (Collect.Log.INFO)
                Log.i(Collect.LOGTAG, t + "associated order is expired; marking device as expired");
            Collect.getInstance().getInformOnlineState().setExpired(true);
        } else if (result.equals(InformOnlineState.FAILURE)) {
            if (Collect.Log.WARN)
                Log.w(Collect.LOGTAG, t + "checkin unsuccessful");
            registered = false;
        } else {
            // Something bad happened
            if (Collect.Log.ERROR)
                Log.e(Collect.LOGTAG, t + "system error while processing postResult");
        }
    } catch (NullPointerException e) {
        // Communication error
        if (Collect.Log.ERROR)
            Log.e(Collect.LOGTAG, t + "no postResult to parse.  Communication error with node.js server?");
        e.printStackTrace();
    } catch (JSONException e) {
        // Parse error (malformed result)
        if (Collect.Log.ERROR)
            Log.e(Collect.LOGTAG, t + "failed to parse postResult " + postResult);
        e.printStackTrace();
    }

    // Clear the session for subsequent requests and reset stored state
    if (registered == false)
        Collect.getInstance().getInformOnlineState().resetDevice();

    return registered;
}

From source file:com.mariogrip.octodroid.mainActivity.java

public void runner() {
    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
    int sync = 3000;
    try {/*from  ww  w. ja  va  2s . c o m*/
        sync = Integer.parseInt(prefs.getString("sync", "2"));
        if (sync < 999) {
            sync = 1000;
        }
        if (sync > 7001) {
            sync = 7000;
        }
    } catch (Exception e) {
        sync = 3000;
    }
    try {

        if (running) {
            util.logD("Stopping runner, Might started twice");
            return;
        }
        if (!running) {
            util.logD("OneRunStarted");
            running = true;
        }
        timerTask = new TimerTask() {
            @Override
            public void run() {
                decodejobs();

                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            Fill();
                        } catch (Exception e) {

                        }
                    }
                });
            }

        };

        timer.schedule(timerTask, 0, sync);
    } catch (NullPointerException v) {
        v.printStackTrace();
    }
}

From source file:org.schabi.newpipe.services.youtube.YoutubeVideoExtractor.java

@Override
public VideoInfo.AudioStream[] getAudioStreams() {
    try {/*from   ww  w  . j  a va 2  s  .  com*/
        String dashManifest = playerArgs.getString("dashmpd");
        return parseDashManifest(dashManifest, decryptionCode);

    } catch (NullPointerException e) {
        Log.e(TAG, "Could not find \"dashmpd\" upon the player args (maybe no dash manifest available).");
    } catch (Exception e) {
        e.printStackTrace();
    }
    return new VideoInfo.AudioStream[0];
}

From source file:azkaban.jobtype.ReportalTeradataRunner.java

@Override
protected void runReportal() throws Exception {
    System.out.println("Reportal Teradata: Setting up Teradata");
    List<Exception> exceptions = new ArrayList<Exception>();

    Class.forName("com.teradata.jdbc.TeraDriver");
    String connectionString = props.getString("reportal.teradata.connection.string", null);

    String user = props.getString("reportal.teradata.username", null);
    String pass = props.getString("reportal.teradata.password", null);
    if (user == null) {
        System.out.println("Reportal Teradata: Configuration incomplete");
        throw new RuntimeException("The reportal.teradata.username variable was not defined.");
    }/*w  w  w.j a v  a 2s. c  o m*/
    if (pass == null) {
        System.out.println("Reportal Teradata: Configuration incomplete");
        throw new RuntimeException("The reportal.teradata.password variable was not defined.");
    }

    DataSource teraDataSource = new TeradataDataSource(connectionString, user, pass);
    Connection conn = teraDataSource.getConnection();

    String sqlQueries[] = cleanAndGetQueries(jobQuery, proxyUser);

    int numQueries = sqlQueries.length;

    for (int i = 0; i < numQueries; i++) {
        try {
            String queryLine = sqlQueries[i];

            // Only store results from the last statement
            if (i == numQueries - 1) {
                PreparedStatement stmt = prepareStatement(conn, queryLine);
                stmt.execute();
                ResultSet rs = stmt.getResultSet();
                outputQueryResult(rs, outputStream);
                stmt.close();
            } else {
                try {
                    PreparedStatement stmt = prepareStatement(conn, queryLine);
                    stmt.execute();
                    stmt.close();
                } catch (NullPointerException e) {
                    // An empty query (or comment) throws a NPE in JDBC. Yay!
                    System.err.println(
                            "Caught NPE in execute call because report has a NOOP query: " + queryLine);
                }
            }
        } catch (Exception e) {
            // Catch and continue. Delay exception throwing until we've run all queries in this task.
            System.out.println("Reportal Teradata: SQL query failed. " + e.getMessage());
            e.printStackTrace();
            exceptions.add(e);
        }
    }

    if (exceptions.size() > 0) {
        throw new CompositeException(exceptions);
    }

    System.out.println("Reportal Teradata: Ended successfully");
}

From source file:storybook.ui.table.renderer.AttributesTableCellRenderer.java

@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
        int row, int column) {
    MainFrame mainFrame = (MainFrame) table.getClientProperty(ClientPropertyName.MAIN_FRAME.toString());
    JLabel lbText = (JLabel) super.getTableCellRendererComponent(table, null, isSelected, hasFocus, row,
            column);/*from w  w  w.j ava2s  .co m*/
    if (value == null || value instanceof String) {
        return lbText;
    }
    try {
        @SuppressWarnings("unchecked")
        List<Attribute> list = (List<Attribute>) value;
        if (list == null || list.isEmpty()) {
            return lbText;
        }
        try {
            lbText.setText(StringUtils.join(list, ", "));
        } catch (NullPointerException e) {
            // ignore
        }
    } catch (LazyInitializationException lie) {
        BookModel model = mainFrame.getBookModel();
        Session session = model.beginTransaction();
        @SuppressWarnings("unchecked")
        List<Attribute> list = (List<Attribute>) value;
        try {
            for (Attribute property : list) {
                session.refresh(property);
            }
            lbText.setText(StringUtils.join(list, ", "));
            model.commit();
        } catch (Exception e) {
            // ignore
            // e.printStackTrace();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return lbText;
}

From source file:uk.org.openeyes.diagnostics.AbstractFieldProcessor.java

/**
 * Determine if the given file contains valid XML.
 *
 * @param file existing file to test; must contain valid XML.
 *
 * @return true if the file could be successfully parsed; false otherwise.
 *///from  w w w .  j  a v  a 2s .  c o  m
protected boolean validate(File file) {
    boolean valid = false;
    InputStream istream = null;
    try {
        DocumentBuilderFactory dBF = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = dBF.newDocumentBuilder();
        istream = new FileInputStream(file);
        Document doc = builder.parse(istream);
        valid = true;
    } catch (NullPointerException e) {
        // nothing to do
        e.printStackTrace();
    } catch (Exception e) {
        // nothing to do
        e.printStackTrace();
    } finally {
        if (istream != null) {
            try {
                istream.close();
            } catch (IOException ioex) {
                // nothing to do
                ioex.printStackTrace();
            }
        }
        if (!valid) {
            // create appropriate report:
            HumphreyFieldMetaData metaData = new HumphreyFieldMetaData(this.regex);
            metaData.addFieldError(DbUtils.ERROR_BADLY_FORMED_XML);
            this.generateReport(file, metaData, false);
        }
        return valid;
    }
}

From source file:org.mewx.wenku8.fragment.NavigationDrawerFragment.java

/**
 * Judge whether the dark mode is open. If is open, close it; else open it.
 *///w  w  w  . java 2s .c om
private void openOrCloseDarkMode() {
    // sdk ver is too low
    if (Build.VERSION.SDK_INT < 16) {
        try {
            if (fakeDarkSwitcher) {
                // In dark mode, so close it
                ((TextView) mainActivity.findViewById(R.id.main_menu_dark_mode_switcher))
                        .setTextColor(getResources().getColor(R.color.menu_text_color));
            } else {
                // In light mode, so open it
                ((TextView) mainActivity.findViewById(R.id.main_menu_dark_mode_switcher))
                        .setTextColor(getResources().getColor(R.color.menu_item_blue));
            }
        } catch (NullPointerException e) {
            Toast.makeText(mainActivity, "NullPointerException in openOrCloseDarkMode(); sdk16-",
                    Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    } else {
        try {
            if (fakeDarkSwitcher) {
                // In dark mode, so close it
                ((TextView) mainActivity.findViewById(R.id.main_menu_dark_mode_switcher))
                        .setTextColor(getResources().getColor(R.color.menu_text_color));
                mainActivity.findViewById(R.id.main_menu_dark_mode_switcher)
                        .setBackground(getResources().getDrawable(R.drawable.btn_menu_item));
            } else {
                // In light mode, so open it
                ((TextView) mainActivity.findViewById(R.id.main_menu_dark_mode_switcher))
                        .setTextColor(getResources().getColor(R.color.menu_text_color_selected));
                mainActivity.findViewById(R.id.main_menu_dark_mode_switcher)
                        .setBackground(getResources().getDrawable(R.drawable.btn_menu_item_selected));
            }
        } catch (NullPointerException e) {
            Toast.makeText(mainActivity, "NullPointerException in openOrCloseDarkMode();", Toast.LENGTH_SHORT)
                    .show();
            e.printStackTrace();
        }
    }

    fakeDarkSwitcher = !fakeDarkSwitcher;
    Toast.makeText(getActivity(), "??~", Toast.LENGTH_SHORT).show();
}