Example usage for java.util ArrayList isEmpty

List of usage examples for java.util ArrayList isEmpty

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Introduction

In this page you can find the example usage for java.util ArrayList isEmpty.

Prototype

public boolean isEmpty()

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:com.ngdata.hbaseindexer.indexer.FusionPipelineClient.java

public void postBatchToPipeline(List docs) throws Exception {
    int numDocs = docs.size();

    int requestId = requestCounter.incrementAndGet();
    ArrayList<String> mutable = getAvailableEndpoints();
    if (mutable.size() > 1) {
        Exception lastExc = null;

        // try all the endpoints until success is reached ... or we run out of endpoints to try ...
        while (!mutable.isEmpty()) {
            String endpoint = getLbEndpoint(mutable);
            if (endpoint == null) {
                // no more endpoints available ... fail
                if (lastExc != null) {
                    log.error("No more endpoints available to retry failed request (" + requestId
                            + ")! raising last seen error: " + lastExc);
                    throw lastExc;
                } else {
                    throw new RuntimeException("No Fusion pipeline endpoints available to process request "
                            + requestId + "! Check logs for previous errors.");
                }//from  ww w . j a va2 s  .  c o m
            }

            if (log.isDebugEnabled())
                log.debug("POSTing batch of " + numDocs + " input docs to " + endpoint + " as request "
                        + requestId);

            Exception retryAfterException = postJsonToPipelineWithRetry(endpoint, docs, mutable, lastExc,
                    requestId);
            if (retryAfterException == null) {
                lastExc = null;
                break; // request succeeded ...
            }

            lastExc = retryAfterException; // try next endpoint (if available) after seeing an exception
        }

        if (lastExc != null) {
            // request failed and we exhausted the list of endpoints to try ...
            log.error("Failing request " + requestId + " due to: " + lastExc);
            throw lastExc;
        }

    } else {
        String endpoint = getLbEndpoint(mutable);
        if (log.isDebugEnabled())
            log.debug(
                    "POSTing batch of " + numDocs + " input docs to " + endpoint + " as request " + requestId);

        Exception exc = postJsonToPipelineWithRetry(endpoint, docs, mutable, null, requestId);
        if (exc != null)
            throw exc;
    }
}

From source file:com.slp.rss_api.activity.EditFeedActivity.java

public void onClickOk(View view) {
    // only in insert mode

    final String name = mNameEditText.getText().toString().trim();
    final String urlOrSearch = mUrlEditText.getText().toString().trim();
    if (urlOrSearch.isEmpty()) {
        Toast.makeText(this, R.string.error_feed_error, Toast.LENGTH_SHORT).show();
    }/*from w w w  . j  a va 2s  . com*/

    if (!urlOrSearch.contains(".") || !urlOrSearch.contains("/") || urlOrSearch.contains(" ")) {
        final ProgressDialog pd = new ProgressDialog(EditFeedActivity.this);
        pd.setMessage(getString(R.string.loading));
        pd.setCancelable(true);
        pd.setIndeterminate(true);
        pd.show();

        getLoaderManager().restartLoader(1, null,
                new LoaderManager.LoaderCallbacks<ArrayList<HashMap<String, String>>>() {

                    @Override
                    public Loader<ArrayList<HashMap<String, String>>> onCreateLoader(int id, Bundle args) {
                        String encodedSearchText = urlOrSearch;
                        try {
                            encodedSearchText = URLEncoder.encode(urlOrSearch, Constants.UTF8);
                        } catch (UnsupportedEncodingException ignored) {
                        }

                        return new GetFeedSearchResultsLoader(EditFeedActivity.this, encodedSearchText);
                    }

                    @Override
                    public void onLoadFinished(Loader<ArrayList<HashMap<String, String>>> loader,
                            final ArrayList<HashMap<String, String>> data) {
                        pd.cancel();

                        if (data == null) {
                            Toast.makeText(EditFeedActivity.this, R.string.error, Toast.LENGTH_SHORT).show();
                        } else if (data.isEmpty()) {
                            Toast.makeText(EditFeedActivity.this, R.string.no_result, Toast.LENGTH_SHORT)
                                    .show();
                        } else {
                            AlertDialog.Builder builder = new AlertDialog.Builder(EditFeedActivity.this);
                            builder.setTitle(R.string.feed_search);

                            // create the grid item mapping
                            String[] from = new String[] { FEED_SEARCH_TITLE, FEED_SEARCH_DESC };
                            int[] to = new int[] { android.R.id.text1, android.R.id.text2 };

                            // fill in the grid_item layout
                            SimpleAdapter adapter = new SimpleAdapter(EditFeedActivity.this, data,
                                    R.layout.item_search_result, from, to);
                            builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    FeedDataContentProvider.addFeed(EditFeedActivity.this,
                                            data.get(which).get(FEED_SEARCH_URL),
                                            name.isEmpty() ? data.get(which).get(FEED_SEARCH_TITLE) : name,
                                            mRetrieveFulltextCb.isChecked());

                                    setResult(RESULT_OK);
                                    finish();
                                }
                            });
                            builder.show();
                        }
                    }

                    @Override
                    public void onLoaderReset(Loader<ArrayList<HashMap<String, String>>> loader) {
                    }
                });
    } else {
        FeedDataContentProvider.addFeed(EditFeedActivity.this, urlOrSearch, name,
                mRetrieveFulltextCb.isChecked());

        setResult(RESULT_OK);
        finish();
    }
}

From source file:fr.paris.lutece.plugins.workflow.modules.notifygru.service.Validator.java

/**
 * Checks if is valide build agent.//from  w  w w. ja  v  a  2 s  .com
 *
 * @param request the request
 * @param config the config
 * @param providerService the _provider service
 * @param locale the locale
 * @param strApply the str apply
 * @return the string
 */
public static String isValideBuildAgent(HttpServletRequest request, TaskNotifyGruConfig config,
        AbstractServiceProvider providerService, Locale locale, String strApply) {
    String strUrlRedirector = "";

    /*Agent*/
    ArrayList<String> errors = new ArrayList<String>();
    String strMessageAgent = request.getParameter(Constants.PARAMETER_STATUS_MESSAGE_AGENT);
    String strStatutTextAgent = request.getParameter(Constants.PARAMETER_STATUS_TEXT_AGENT);

    if (StringUtils.isBlank(strApply)) {
        if (StringUtils.isNotBlank(
                Validator.mandotoryParams(strMessageAgent, Constants.MESSAGE_AGENT_FIELD_MESSAGE, locale))) {
            errors.add(
                    Validator.mandotoryParams(strMessageAgent, Constants.MESSAGE_AGENT_FIELD_MESSAGE, locale));
        }

        if (StringUtils.isNotBlank(
                Validator.mandotoryParams(strStatutTextAgent, Constants.MESSAGE_AGENT_FIELD_STATUS, locale))) {
            errors.add(Validator.mandotoryParams(strStatutTextAgent, Constants.MESSAGE_AGENT_FIELD_STATUS,
                    locale));
        }

        if (!Validator.isFreemarkerValid(strMessageAgent, locale, providerService.getInfos(-1))) {
            Object[] tabRequiredFields = {
                    I18nService.getLocalizedString(Constants.MESSAGE_ERROR_FREEMARKER, locale), };

            strUrlRedirector = AdminMessageService.getMessageUrl(request, Constants.MESSAGE_ERROR_FREEMARKER,
                    tabRequiredFields, AdminMessage.TYPE_STOP);
        }
    }

    if (!errors.isEmpty()) {
        strUrlRedirector = ServiceConfigTaskForm.displayErrorMessage(errors, request);
    }

    if (StringUtils.isBlank(strUrlRedirector)) {
        config.setMessageAgent(strMessageAgent);
        config.setStatustextAgent(strStatutTextAgent);
    }

    return strUrlRedirector;
}

From source file:gov.nih.nci.cabig.caaers.datamigrator.MedicalDeviceDataMigrator.java

/**
 * Will associate the medical devices to Study device after creating equivalent
 * StudyDevices (of type other).  //from   w w w .j av a  2s . co m
 * Step 1: Find the study, and medical device projection.
 * Step 2: Create unique study device per-study
 * Step 3: Associate Medical Device to Study Device
 * @param context
 */

//NOTE : BJ : Assumed that the number of records to migrate will be less than 100. 
@Override
public void migrate(CaaersDataMigrationContext context) {
    String query = "select so.study_id, md.id, md.brand_name, md.common_name, md.device_type,md.manufacturer_name, "
            + "md.manufacturer_city, md.manufacturer_state, md.model_number, md.catalog_number "
            + "from ae_medical_devices  md " + "join ae_reports r on r.id = md.report_id "
            + "join ae_reporting_periods rp on rp.id = r.reporting_period_id "
            + "join participant_assignments a on rp.assignment_id=a.id "
            + "join study_organizations so on so.id = a.study_site_id " + "order by so.study_id";

    HashMap<String, ArrayList<StudyDeviceWrapper>> studyDeviceMap = (HashMap<String, ArrayList<StudyDeviceWrapper>>) getJdbcTemplate()
            .query(query, new ResultSetExtractor() {
                public Object extractData(ResultSet rs) throws SQLException, DataAccessException {
                    //a data structure to hold the merged study device -to- medical device mapping.
                    final HashMap<String, ArrayList<StudyDeviceWrapper>> studyDeviceMap = new HashMap<String, ArrayList<StudyDeviceWrapper>>();
                    String studyId = null;
                    ArrayList<StudyDeviceWrapper> studyDeviceWrapperList = null;
                    while (rs.next()) {

                        studyId = getString(rs, 1);
                        String mdId = getString(rs, 2);

                        StudyDevice sd = new StudyDevice();
                        sd.setOtherBrandName(getString(rs, 3));
                        sd.setOtherCommonName(getString(rs, 4));
                        sd.setOtherDeviceType(getString(rs, 5));
                        sd.setManufacturerName(getString(rs, 6));
                        sd.setManufacturerCity(getString(rs, 7));
                        sd.setManufacturerState(getString(rs, 8));
                        sd.setModelNumber(getString(rs, 9));
                        sd.setCatalogNumber(getString(rs, 10));

                        studyDeviceWrapperList = studyDeviceMap.get(studyId);
                        if (studyDeviceWrapperList == null) {
                            //new study 
                            studyDeviceWrapperList = new ArrayList<StudyDeviceWrapper>();
                            studyDeviceMap.put(studyId, studyDeviceWrapperList);
                        }
                        StudyDeviceWrapper wrapper = StudyDeviceWrapper
                                .findStudyDeviceWrapper(studyDeviceWrapperList, sd);
                        if (wrapper == null) {
                            //new study device
                            wrapper = new StudyDeviceWrapper(studyId, sd, mdId);
                            studyDeviceWrapperList.add(wrapper);
                        } else {
                            //merge to existing study device
                            wrapper.addMedicalDeviceId(mdId);
                        }

                    }
                    return studyDeviceMap;
                }

                //some PostgresSQL driver will throw NPE when column is SQL NULL
                // so this workaround....
                public String getString(ResultSet rs, int index) throws SQLException {
                    Object o = rs.getObject(index);
                    if (o == null)
                        return null;
                    return String.valueOf(o);
                }
            });

    //now generate the batch statements.
    ArrayList<String> sqls = new ArrayList<String>();
    for (String key : studyDeviceMap.keySet()) {
        ArrayList<StudyDeviceWrapper> wrapperList = studyDeviceMap.get(key);
        for (StudyDeviceWrapper wrapper : wrapperList) {
            sqls.add(generateInsertStudyDeviceSQL(context, wrapper)); //insert study device.
            sqls.addAll(generateUpdateMedicalDeviceSQL(wrapper)); // scripts to udpate the medical device
        }
    }

    if (log.isDebugEnabled()) {
        log.debug("SQLs to run [MedicalDeviceDataMigrator] ...");
        for (String sql : sqls)
            log.debug(" >>> " + sql);
    }
    if (!sqls.isEmpty())
        getJdbcTemplate().batchUpdate(sqls.toArray(new String[] {}));
}

From source file:info.savestate.saveybot.JSONFileManipulator.java

public String chainall(boolean verbose, int sentenceSize) {
    JSONArray json = getJSON();//www. ja v  a  2  s  . c  om
    ArrayList<String> words = new ArrayList<>();
    for (int i = 0; i < json.length(); i++) {
        JSONObject savestate = json.getJSONObject(i);
        String[] splitMessage = savestate.getString("message").split("\\s+");
        words.addAll(Arrays.asList(splitMessage));
    }
    if (words.isEmpty()) {
        return "lmao WTF this ERROR should never happen!!! (ZERO SAVESTATES ??? WTF)";
    }
    StringBuilder sb = new StringBuilder();
    // all words are in "words"
    // pick a word out at random!
    int wordIndex = (int) (Math.random() * words.size());
    if (sentenceSize <= 0)
        sentenceSize = ((int) (Math.random() * 12)) + 3;
    if (sentenceSize > 50)
        sentenceSize = 50;

    for (int i = 0; i < sentenceSize; i++) {
        // get current word
        sb.append(words.get(wordIndex)).append(' ');
        // 40% chance we'll stay on the same sentence.
        if (Math.random() > 0.40) {
            // different sentence
            // make an array of all the .toLowerCase() matches of the current word
            ArrayList<Integer> wordIndexes = new ArrayList<>();
            for (int j = 0; j < words.size(); j++) {
                if (words.get(j).equalsIgnoreCase(words.get(wordIndex)))
                    wordIndexes.add(j);
            }
            // we have all the word indexes in wordIndexes
            // ... if there are none, we'll just follow the current word (since it'll match)
            int sameWordIndex = (int) (Math.random() * wordIndexes.size());
            wordIndex = wordIndexes.get(sameWordIndex) + 1;
        } else {
            wordIndex++;
        }
        if (wordIndex >= words.size()) {
            // in case we go over!!!
            // new random number
            wordIndex = (int) (Math.random() * words.size());
        }
    }
    return sb.toString();
}

From source file:com.facebook.FacebookActivityTestCase.java

protected TestGraphRequestAsyncTask createAsyncTaskOnUiThread(final GraphRequest... requests) throws Throwable {
    final ArrayList<TestGraphRequestAsyncTask> result = new ArrayList<TestGraphRequestAsyncTask>();
    runTestOnUiThread(new Runnable() {
        @Override/*from www .  j a  v a2 s  . c om*/
        public void run() {
            result.add(new TestGraphRequestAsyncTask(requests));
        }
    });
    return result.isEmpty() ? null : result.get(0);
}

From source file:com.willwinder.universalgcodesender.GrblController.java

@Override
public void returnToHome() throws Exception {
    if (this.isCommOpen()) {
        ArrayList<String> commands = GrblUtils.getReturnToHomeCommands(this.grblVersion, this.grblVersionLetter,
                this.controllerStatus.getWorkCoord().z);
        if (!commands.isEmpty()) {
            Iterator<String> iter = commands.iterator();
            // Perform the homing commands
            while (iter.hasNext()) {
                String gcode = iter.next();
                GcodeCommand command = createCommand(gcode);
                this.sendCommandImmediately(command);
            }//from  w  w w  .  jav a 2 s .c  o m
            return;
        }

        restoreParserModalState();
    }
    // Throw exception
    super.returnToHome();
}

From source file:com.erudika.para.persistence.CassandraDAO.java

@Override
public <P extends ParaObject> void deleteAll(String appid, List<P> objects) {
    if (objects == null || objects.isEmpty() || StringUtils.isBlank(appid)) {
        return;/*from   www  .j a  v  a2 s .  c o m*/
    }
    try {
        ArrayList<String> values = new ArrayList<String>(objects.size());
        StringBuilder batch = new StringBuilder("BEGIN BATCH ");
        for (ParaObject so : objects) {
            if (so != null) {
                so.setAppid(appid);
                batch.append("DELETE FROM ").append(CassandraUtils.getTableNameForAppid(appid))
                        .append(" WHERE id = ?;");
                values.add(so.getId());
            }
        }

        if (!values.isEmpty()) {
            batch.append("APPLY BATCH");
            PreparedStatement ps = getClient().prepare(batch.toString());
            getClient().execute(ps.bind(values.toArray()));
        }
    } catch (Exception e) {
        logger.error(null, e);
    }
    logger.debug("DAO.deleteAll() {}", objects.size());
}

From source file:net.fred.feedex.activity.EditFeedActivity.java

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
        finish();/*  w  ww .j  a  v a2  s  .co  m*/
        return true;
    case R.id.menu_validate: // only in insert mode
        final String name = mNameEditText.getText().toString().trim();
        final String urlOrSearch = mUrlEditText.getText().toString().trim();
        if (urlOrSearch.isEmpty()) {
            UiUtils.showMessage(EditFeedActivity.this, R.string.error_feed_error);
        }

        if (!urlOrSearch.contains(".") || !urlOrSearch.contains("/") || urlOrSearch.contains(" ")) {
            final ProgressDialog pd = new ProgressDialog(EditFeedActivity.this);
            pd.setMessage(getString(R.string.loading));
            pd.setCancelable(true);
            pd.setIndeterminate(true);
            pd.show();

            getLoaderManager().restartLoader(1, null,
                    new LoaderManager.LoaderCallbacks<ArrayList<HashMap<String, String>>>() {

                        @Override
                        public Loader<ArrayList<HashMap<String, String>>> onCreateLoader(int id, Bundle args) {
                            String encodedSearchText = urlOrSearch;
                            try {
                                encodedSearchText = URLEncoder.encode(urlOrSearch, Constants.UTF8);
                            } catch (UnsupportedEncodingException ignored) {
                            }

                            return new GetFeedSearchResultsLoader(EditFeedActivity.this, encodedSearchText);
                        }

                        @Override
                        public void onLoadFinished(Loader<ArrayList<HashMap<String, String>>> loader,
                                final ArrayList<HashMap<String, String>> data) {
                            pd.cancel();

                            if (data == null) {
                                UiUtils.showMessage(EditFeedActivity.this, R.string.error);
                            } else if (data.isEmpty()) {
                                UiUtils.showMessage(EditFeedActivity.this, R.string.no_result);
                            } else {
                                AlertDialog.Builder builder = new AlertDialog.Builder(EditFeedActivity.this);
                                builder.setTitle(R.string.feed_search);

                                // create the grid item mapping
                                String[] from = new String[] { FEED_SEARCH_TITLE, FEED_SEARCH_DESC };
                                int[] to = new int[] { android.R.id.text1, android.R.id.text2 };

                                // fill in the grid_item layout
                                SimpleAdapter adapter = new SimpleAdapter(EditFeedActivity.this, data,
                                        R.layout.item_search_result, from, to);
                                builder.setAdapter(adapter, new DialogInterface.OnClickListener() {
                                    @Override
                                    public void onClick(DialogInterface dialog, int which) {
                                        FeedDataContentProvider.addFeed(EditFeedActivity.this,
                                                data.get(which).get(FEED_SEARCH_URL),
                                                name.isEmpty() ? data.get(which).get(FEED_SEARCH_TITLE) : name,
                                                mRetrieveFulltextCb.isChecked());

                                        setResult(RESULT_OK);
                                        finish();
                                    }
                                });
                                builder.show();
                            }
                        }

                        @Override
                        public void onLoaderReset(Loader<ArrayList<HashMap<String, String>>> loader) {
                        }
                    });
        } else {
            FeedDataContentProvider.addFeed(EditFeedActivity.this, urlOrSearch, name,
                    mRetrieveFulltextCb.isChecked());

            setResult(RESULT_OK);
            finish();
        }
        return true;
    case R.id.menu_add_filter: {
        final View dialogView = getLayoutInflater().inflate(R.layout.dialog_filter_edit, null);

        new AlertDialog.Builder(this) //
                .setTitle(R.string.filter_add_title) //
                .setView(dialogView) //
                .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        String filterText = ((EditText) dialogView.findViewById(R.id.filterText)).getText()
                                .toString();
                        if (filterText.length() != 0) {
                            String feedId = getIntent().getData().getLastPathSegment();

                            ContentValues values = new ContentValues();
                            values.put(FilterColumns.FILTER_TEXT, filterText);
                            values.put(FilterColumns.IS_REGEX,
                                    ((CheckBox) dialogView.findViewById(R.id.regexCheckBox)).isChecked());
                            values.put(FilterColumns.IS_APPLIED_TO_TITLE,
                                    ((RadioButton) dialogView.findViewById(R.id.applyTitleRadio)).isChecked());
                            values.put(FilterColumns.IS_ACCEPT_RULE,
                                    ((RadioButton) dialogView.findViewById(R.id.acceptRadio)).isChecked());

                            ContentResolver cr = getContentResolver();
                            cr.insert(FilterColumns.FILTERS_FOR_FEED_CONTENT_URI(feedId), values);
                        }
                    }
                }).setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                    }
                }).show();
        return true;
    }
    default:
        return super.onOptionsItemSelected(item);
    }
}

From source file:it.grid.storm.namespace.config.xml.XMLNamespaceParser.java

/**
 * @param poolMembers//from  w w w.j av a 2 s .  c  o m
 * @throws NamespaceException
 */
private void verifyPoolIsValid(ArrayList<PoolMember> poolMembers) throws NamespaceException {

    if (poolMembers.isEmpty()) {
        throw new NamespaceException("POOL Defined is EMPTY!");
    }
    Protocol prot = poolMembers.get(0).getMemberProtocol().getProtocol();
    for (PoolMember member : poolMembers) {
        if (!(member.getMemberProtocol().getProtocol().equals(prot))) {
            throw new NamespaceException("Defined Pool is NOT HOMOGENEOUS! Protocols " + prot.toString()
                    + " and " + member.toString() + " differs");
        }
    }
}