Example usage for java.lang StringBuilder charAt

List of usage examples for java.lang StringBuilder charAt

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Introduction

In this page you can find the example usage for java.lang StringBuilder charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:com.hadoopvietnam.cache.memcached.MemcachedCache.java

/**
 * {@inheritDoc}/*from   w  w  w  .  j  a  v a 2  s .  c  o m*/
 */
public void addToTopOfList(final String inKey, final List<Long> inValue) {
    if (inValue == null) {
        // cannot pass null to memcached
        log.warn("In addToTopOfList, attempting to pass in NULL to memcached for key " + inKey);
        return;
    }

    if (log.isTraceEnabled()) {
        StringBuilder allLongs = new StringBuilder();
        for (Long lng : inValue) {
            allLongs.append(lng.toString());
            allLongs.append(',');
        }

        // trim the last , just for clarity in the log
        if (allLongs.charAt(allLongs.length() - 1) == ',') {
            allLongs.deleteCharAt(allLongs.length() - 1);
        }

        log.trace("Prepending to list '" + inKey + "', values: " + allLongs.toString());
    }

    // NOTE: memcached will NOT create a List if one does
    // not exist already, it will silently fail.
    // THIS IS WHAT WE WANT!

    // try to prepend data, NOTE the cas key is ignored
    // in ASCII protocol which we are using
    byte[] bytesToPrepend;
    try {
        bytesToPrepend = this.getBytesFromList(inValue);
    } catch (IOException e) {
        // problem getting the key .. set a null so the client goes
        // to the database and clear marker so next time we'll try again
        log.error("Unable to prepend LIST key " + inKey + " into memcached.  Exception " + e.getMessage());
        bytesToPrepend = null;
    }

    if (bytesToPrepend != null) {
        client.prepend(0, inKey, bytesToPrepend);
    }
}

From source file:com.jaspersoft.bigquery.connection.BigQueryConnection.java

public String test() throws JRException {
    try {/*www  . j av  a  2 s  .co m*/
        if (transport != null && jsonFactory != null && bigquery != null) {
            List datasetRequest = bigquery.datasets().list("publicdata");
            DatasetList datasetList = datasetRequest.execute();
            StringBuilder builder = new StringBuilder();
            builder.append("Available datasets: ");
            if (datasetList != null) {
                java.util.List<Datasets> datasets = datasetList.getDatasets();
                for (Datasets dataset : datasets) {
                    builder.append(dataset.getId());
                    builder.append(",");
                }
            }
            if (builder.charAt(builder.length() - 1) == ',') {
                builder.setCharAt(builder.length() - 1, '.');
            }
            return builder.toString();
        }
    } catch (Throwable e) {
        if (e.getMessage() != null && e.getMessage().toLowerCase().contains("unauthorized")) {
            logger.error(e);
            NTPUDPClient ntpClient = new NTPUDPClient();
            TimeInfo timeInfo = null;
            try {
                timeInfo = ntpClient.getTime(InetAddress.getByName(NTP_SERVER));
            } catch (Throwable e1) {
                e1.printStackTrace();
            } finally {
                ntpClient.close();
            }
            StringBuilder timeMessage = new StringBuilder();
            timeMessage.append("Ensure your system clock is synchronized with an NTP server.\n");
            if (timeInfo != null) {
                timeInfo.computeDetails();
                long offset = (timeInfo.getOffset() != null) ? timeInfo.getOffset() : 0l;
                SimpleDateFormat df = new SimpleDateFormat("EEE yyyy MMM d HH:mm:ss SSS z");
                String localDateString = df.format(new java.util.Date(System.currentTimeMillis()));
                String ntpDateString = df.format(new java.util.Date(System.currentTimeMillis() + offset));
                timeMessage.append("Current offset against \"");
                timeMessage.append(NTP_SERVER);
                timeMessage.append("\" is: ");
                timeMessage.append(offset);
                timeMessage.append(" milliseconds.\n");
                timeMessage.append("Current time on NTP   server: " + ntpDateString + "\n");
                timeMessage.append("Current time on local server: " + localDateString);
            }
            throw new JRException(
                    "Unauthorized exception. Please review your serviceAccountId and privateKeyFilePath.\n"
                            + timeMessage.toString());
        }
        throw new JRException(e);
    }
    throw new JRException("Could not connect to BigQuery");
}

From source file:org.apache.pig.builtin.OrcStorage.java

private String getReqiredColumnIdString(boolean[] requiredColumns) {
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < requiredColumns.length; i++) {
        if (requiredColumns[i]) {
            sb.append(i).append(",");
        }//from w  ww  .  j a  va2  s  .  c o  m
    }
    if (sb.charAt(sb.length() - 1) == ',') {
        sb.deleteCharAt(sb.length() - 1);
    }
    return sb.toString();
}

From source file:com.gargoylesoftware.htmlunit.html.HtmlTextArea.java

private String readValue() {
    final StringBuilder buffer = new StringBuilder();
    for (final DomNode node : getChildren()) {
        if (node instanceof DomText) {
            buffer.append(((DomText) node).getData());
        }// ww w  . j a  v  a2  s  .co m
    }
    // if content starts with new line, it is ignored (=> for the parser?)
    if (buffer.length() != 0 && buffer.charAt(0) == '\n') {
        buffer.deleteCharAt(0);
    }
    return buffer.toString();
}

From source file:com.gargoylesoftware.htmlunit.html.HtmlTextArea.java

private String readValueIE() {
    final StringBuilder buffer = new StringBuilder();
    for (final DomNode node : getDescendants()) {
        if (node instanceof DomText) {
            buffer.append(((DomText) node).getData());
        }/*ww  w  . j  av  a 2s  .c  o m*/
    }
    // if content starts with new line, it is ignored (=> for the parser?)
    if (buffer.length() != 0 && buffer.charAt(0) == '\n') {
        buffer.deleteCharAt(0);
    }
    return buffer.toString();
}

From source file:com.wabacus.WabacusFacade.java

private static String assembleOptionsResult(String realSelectboxid,
        List<Map<String, String>> lstOptionsResult) {
    StringBuilder resultBuf = new StringBuilder();
    resultBuf.append(realSelectboxid).append(":[");
    if (lstOptionsResult != null && lstOptionsResult.size() > 0) {
        String labelTmp, valueTmp;
        for (Map<String, String> mItemsTmp : lstOptionsResult) {
            labelTmp = mItemsTmp.get("label");
            valueTmp = mItemsTmp.get("value");
            labelTmp = labelTmp == null ? "" : labelTmp.trim();
            valueTmp = valueTmp == null ? "" : valueTmp.trim();
            resultBuf.append("{label:\"").append(labelTmp).append("\",");
            resultBuf.append("value:\"").append(valueTmp).append("\"},");
        }/*from  w  ww .  ja  v  a2s  . c o  m*/
    }
    if (resultBuf.charAt(resultBuf.length() - 1) == ',')
        resultBuf.deleteCharAt(resultBuf.length() - 1);
    resultBuf.append("],");
    return resultBuf.toString();
}

From source file:org.apache.syncope.core.persistence.dao.impl.SubjectSearchDAOImpl.java

@SuppressWarnings("unchecked")
private <T extends AbstractSubject> List<T> doSearch(final Set<Long> adminRoles, final SearchCond nodeCond,
        final int page, final int itemsPerPage, final List<OrderByClause> orderBy, final SubjectType type) {

    List<Object> parameters = Collections.synchronizedList(new ArrayList<Object>());

    // 1. get the query string from the search condition
    SearchSupport svs = new SearchSupport(type);
    StringBuilder queryString = getQuery(nodeCond, parameters, type, svs);

    // 2. take into account administrative roles and ordering
    OrderBySupport orderBySupport = parseOrderBy(type, svs, orderBy);
    if (queryString.charAt(0) == '(') {
        queryString.insert(0, buildSelect(orderBySupport));
        queryString.append(buildWhere(orderBySupport, type));
    } else {//w  w w .  ja  va2 s .  c  om
        queryString.insert(0, buildSelect(orderBySupport).append('('));
        queryString.append(')').append(buildWhere(orderBySupport, type));
    }
    queryString.append(getAdminRolesFilter(adminRoles, type)).append(')').append(buildOrderBy(orderBySupport));

    // 3. prepare the search query
    Query query = entityManager.createNativeQuery(queryString.toString());

    // 4. page starts from 1, while setFirtResult() starts from 0
    query.setFirstResult(itemsPerPage * (page <= 0 ? 0 : page - 1));

    if (itemsPerPage >= 0) {
        query.setMaxResults(itemsPerPage);
    }

    // 5. populate the search query with parameter values
    fillWithParameters(query, parameters);

    LOG.debug("Native query\n{}\nwith parameters\n{}", queryString.toString(), parameters);

    // 6. Prepare the result (avoiding duplicates)
    List<T> result = new ArrayList<T>();

    for (Object subjectId : query.getResultList()) {
        long actualId;
        if (subjectId instanceof Object[]) {
            actualId = ((Number) ((Object[]) subjectId)[0]).longValue();
        } else {
            actualId = ((Number) subjectId).longValue();
        }

        T subject = type == SubjectType.USER ? (T) userDAO.find(actualId) : (T) roleDAO.find(actualId);
        if (subject == null) {
            LOG.error("Could not find {} with id {}, even though returned by the native query", type,
                    subjectId);
        } else {
            if (!result.contains(subject)) {
                result.add(subject);
            }
        }
    }

    return result;
}

From source file:org.apache.syncope.core.persistence.jpa.dao.JPASubjectSearchDAO.java

@SuppressWarnings("unchecked")
private <T extends Subject<?, ?, ?>> List<T> doSearch(final Set<Long> adminRoles, final SearchCond nodeCond,
        final int page, final int itemsPerPage, final List<OrderByClause> orderBy, final SubjectType type) {

    List<Object> parameters = Collections.synchronizedList(new ArrayList<>());

    // 1. get the query string from the search condition
    SearchSupport svs = new SearchSupport(type);
    StringBuilder queryString = getQuery(nodeCond, parameters, type, svs);

    // 2. take into account administrative roles and ordering
    OrderBySupport orderBySupport = parseOrderBy(type, svs, orderBy);
    if (queryString.charAt(0) == '(') {
        queryString.insert(0, buildSelect(orderBySupport));
        queryString.append(buildWhere(orderBySupport, type));
    } else {//  w  ww .  java2  s.  c o m
        queryString.insert(0, buildSelect(orderBySupport).append('('));
        queryString.append(')').append(buildWhere(orderBySupport, type));
    }
    queryString.append(getAdminRolesFilter(adminRoles, type)).append(')').append(buildOrderBy(orderBySupport));

    // 3. prepare the search query
    Query query = entityManager.createNativeQuery(queryString.toString());

    // 4. page starts from 1, while setFirtResult() starts from 0
    query.setFirstResult(itemsPerPage * (page <= 0 ? 0 : page - 1));

    if (itemsPerPage >= 0) {
        query.setMaxResults(itemsPerPage);
    }

    // 5. populate the search query with parameter values
    fillWithParameters(query, parameters);

    LOG.debug("Native query\n{}\nwith parameters\n{}", queryString.toString(), parameters);

    // 6. Prepare the result (avoiding duplicates)
    List<T> result = new ArrayList<>();

    for (Object subjectId : query.getResultList()) {
        long actualId;
        if (subjectId instanceof Object[]) {
            actualId = ((Number) ((Object[]) subjectId)[0]).longValue();
        } else {
            actualId = ((Number) subjectId).longValue();
        }

        T subject = type == SubjectType.USER ? (T) userDAO.find(actualId) : (T) roleDAO.find(actualId);
        if (subject == null) {
            LOG.error("Could not find {} with id {}, even though returned by the native query", type, actualId);
        } else {
            if (!result.contains(subject)) {
                result.add(subject);
            }
        }
    }

    return result;
}

From source file:com.thejoshwa.ultrasonic.androidapp.util.Util.java

public static String getRestUrl(Context context, String method) {
    StringBuilder builder = new StringBuilder();

    SharedPreferences prefs = getPreferences(context);

    int instance = prefs.getInt(Constants.PREFERENCES_KEY_SERVER_INSTANCE, 1);
    String serverUrl = prefs.getString(Constants.PREFERENCES_KEY_SERVER_URL + instance, null);
    String username = prefs.getString(Constants.PREFERENCES_KEY_USERNAME + instance, null);
    String password = prefs.getString(Constants.PREFERENCES_KEY_PASSWORD + instance, null);

    // Slightly obfuscate password
    password = "enc:" + Util.utf8HexEncode(password);

    builder.append(serverUrl);// w  ww  .  ja v a 2 s .com
    if (builder.charAt(builder.length() - 1) != '/') {
        builder.append("/");
    }
    builder.append("rest/").append(method).append(".view");
    builder.append("?u=").append(username);
    builder.append("&p=").append(password);
    builder.append("&v=").append(Constants.REST_PROTOCOL_VERSION);
    builder.append("&c=").append(Constants.REST_CLIENT_ID);

    return builder.toString();
}

From source file:org.apache.nutch.analysis.lang.NGramProfile.java

/**
 * Analyze a piece of text/* ww  w  . j a  v a 2s.  com*/
 * 
 * @param text the text to be analyzed
 */
public void analyze(StringBuilder text) {

    if (ngrams != null) {
        ngrams.clear();
        sorted = null;
        ngramcounts = null;
    }

    word.clear().append(SEPARATOR);
    for (int i = 0; i < text.length(); i++) {
        char c = Character.toLowerCase(text.charAt(i));

        if (Character.isLetter(c)) {
            add(word.append(c));
        } else {
            //found word boundary
            if (word.length() > 1) {
                //we have a word!
                add(word.append(SEPARATOR));
                word.clear().append(SEPARATOR);
            }
        }
    }

    if (word.length() > 1) {
        //we have a word!
        add(word.append(SEPARATOR));
    }
    normalize();
}