Example usage for java.util ListIterator hasNext

List of usage examples for java.util ListIterator hasNext

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. ListIterator
  6. hasNext

Introduction

In this page you can find the example usage for java.util ListIterator hasNext.

Prototype

boolean hasNext();

Source Link

Document

Returns true if this list iterator has more elements when traversing the list in the forward direction.

Usage

From source file:com.manydesigns.elements.options.DefaultSelectionProvider.java

public void ensureActive(Object... values) {
    Row row = null;//from  ww w  .  j a  v  a 2s  .c  o  m
    ListIterator<Row> iterator = rows.listIterator();
    while (iterator.hasNext()) {
        Row current = iterator.next();
        boolean found = true;
        for (int i = 0; i < fieldCount; i++) {
            if (!ObjectUtils.equals(values[i], current.getValues()[i])) {
                found = false;
                break;
            }
        }
        if (found) {
            row = new Row(values, current.getLabels(), true);
            iterator.set(row);
            break;
        }
    }
    if (row == null) {
        String[] labels = new String[fieldCount];
        for (int i = 0; i < fieldCount; i++) {
            labels[i] = ObjectUtils.toString(values[i]);
        }
        row = new Row(values, labels, true);
        rows.add(row);
    }
}

From source file:com.platum.restflow.RestflowModel.java

/**
 * //w w w .ja  va2 s . c o  m
 * @param datasource
 * @return
 */
public RestflowModel updateFileSystem(FileSystemDetails fs) {
    Validate.notNull(fs, "Cannot update a null filesystem.");
    Validate.notEmpty(fs.getName(), "Filesystem name cannot be null or empty.");
    if (resources != null) {
        ListIterator<FileSystemDetails> iterator = fileSystems.listIterator();
        while (iterator.hasNext()) {
            if (iterator.next().getName().equals(fs.getName())) {
                iterator.set(fs);
                return this;
            }
        }
    }
    throw new RestflowNotExistsException("Datasource does not exists.");
}

From source file:com.platum.restflow.RestflowModel.java

/**
 * //from   ww  w .  j a  v a  2  s.  co m
 * @param datasource
 * @return
 */
public RestflowModel updateDatasource(DatasourceDetails datasource) {
    Validate.notNull(datasource, "Cannot update a null datasource.");
    Validate.notEmpty(datasource.getName(), "Datasource name cannot be null or empty.");
    if (resources != null) {
        ListIterator<DatasourceDetails> iterator = datasources.listIterator();
        while (iterator.hasNext()) {
            if (iterator.next().getName().equals(datasource.getName())) {
                iterator.set(datasource);
                return this;
            }
        }
    }
    throw new RestflowNotExistsException("Datasource does not exists.");
}

From source file:com.card.loop.xyz.dao.LearningElementDAO.java

public ArrayList<String> getKeywords(String md5, String collection) throws UnknownHostException {
    Mongo mongo = new Mongo(AppConfig.mongodb_host, AppConfig.mongodb_port);
    DB db = mongo.getDB(AppConfig.DATABASE_LOOP);
    ArrayList<String> list = new ArrayList<>();
    GridFS le_gfs = new GridFS(db, collection);
    GridFSDBFile le_output = le_gfs.findOne(new BasicDBObject("md5", md5));
    ListIterator<Object> trustedList = ((BasicDBList) le_output.get("keywords")).listIterator();

    while (trustedList.hasNext()) {
        Object nextItem = trustedList.next();
        list.add(nextItem.toString());/*from w w w. j av a 2 s  .  co m*/
    }
    return list;
}

From source file:com.mirth.connect.server.userutil.DatabaseConnection.java

/**
 * Executes a prepared INSERT/UPDATE statement on the database and returns the row count.
 * /* w  ww.  j a  va2s . c o  m*/
 * @param expression
 *            The prepared statement to be executed.
 * @param parameters
 *            The parameters for the prepared statement.
 * @return A count of the number of updated rows.
 * @throws SQLException
 */
public int executeUpdate(String expression, List<Object> parameters) throws SQLException {
    PreparedStatement statement = null;

    try {
        statement = connection.prepareStatement(expression);
        logger.debug("executing prepared statement:\n" + expression);

        ListIterator<Object> iterator = parameters.listIterator();

        while (iterator.hasNext()) {
            int index = iterator.nextIndex() + 1;
            Object value = iterator.next();
            logger.debug("adding parameter: index=" + index + ", value=" + value);
            statement.setObject(index, value);
        }

        if (statement.execute()) {
            return -1;
        } else {
            return statement.getUpdateCount();
        }
    } catch (SQLException e) {
        throw e;
    } finally {
        DbUtils.closeQuietly(statement);
    }
}

From source file:com.mirth.connect.server.userutil.DatabaseConnection.java

/**
 * Executes a prepared query on the database and returns a CachedRowSet.
 * //w ww . j a  va  2s  .  c  om
 * @param expression
 *            The prepared statement to be executed.
 * @param parameters
 *            The parameters for the prepared statement.
 * @return The result of the query, as a CachedRowSet.
 * @throws SQLException
 */
public CachedRowSet executeCachedQuery(String expression, List<Object> parameters) throws SQLException {
    PreparedStatement statement = null;

    try {
        statement = connection.prepareStatement(expression);
        logger.debug("executing prepared statement:\n" + expression);

        ListIterator<Object> iterator = parameters.listIterator();

        while (iterator.hasNext()) {
            int index = iterator.nextIndex() + 1;
            Object value = iterator.next();
            logger.debug("adding parameter: index=" + index + ", value=" + value);
            statement.setObject(index, value);
        }

        ResultSet result = statement.executeQuery();
        CachedRowSet crs = new MirthCachedRowSet();
        crs.populate(result);
        DbUtils.closeQuietly(result);
        return crs;
    } catch (SQLException e) {
        throw e;
    } finally {
        DbUtils.closeQuietly(statement);
    }
}

From source file:com.mirth.connect.server.userutil.DatabaseConnection.java

/**
 * Executes a prepared INSERT/UPDATE statement on the database and returns a CachedRowSet
 * containing any generated keys.//  ww  w. ja  v  a 2  s  .  com
 * 
 * @param expression
 *            The prepared statement to be executed.
 * @param parameters
 *            The parameters for the prepared statement.
 * @return A CachedRowSet containing any generated keys.
 * @throws SQLException
 */
public CachedRowSet executeUpdateAndGetGeneratedKeys(String expression, List<Object> parameters)
        throws SQLException {
    PreparedStatement statement = null;

    try {
        statement = connection.prepareStatement(expression, Statement.RETURN_GENERATED_KEYS);
        logger.debug("executing prepared statement:\n" + expression);

        ListIterator<Object> iterator = parameters.listIterator();

        while (iterator.hasNext()) {
            int index = iterator.nextIndex() + 1;
            Object value = iterator.next();
            logger.debug("adding parameter: index=" + index + ", value=" + value);
            statement.setObject(index, value);
        }

        statement.executeUpdate();
        CachedRowSet crs = new MirthCachedRowSet();
        crs.populate(statement.getGeneratedKeys());
        return crs;
    } catch (SQLException e) {
        throw e;
    } finally {
        DbUtils.closeQuietly(statement);
    }
}

From source file:io.github.swagger2markup.markup.builder.internal.confluenceMarkup.ConfluenceMarkupBuilder.java

@Override
public MarkupDocBuilder tableWithColumnSpecs(List<MarkupTableColumn> columnSpecs, List<List<String>> cells) {
    Validate.notEmpty(cells, "cells must not be null");
    documentBuilder.append(newLine);/*w w  w .  j a  v  a2  s .co m*/
    if (columnSpecs != null && !columnSpecs.isEmpty()) {
        documentBuilder.append("||");
        for (MarkupTableColumn column : columnSpecs) {
            documentBuilder.append(formatCellContent(defaultString(column.header))).append("||");
        }
        documentBuilder.append(newLine);
    }
    for (List<String> row : cells) {
        documentBuilder.append(ConfluenceMarkup.TABLE_COLUMN_DELIMITER);
        ListIterator<String> cellIterator = row.listIterator();
        while (cellIterator.hasNext()) {
            int cellIndex = cellIterator.nextIndex();
            if (columnSpecs != null && columnSpecs.size() > cellIndex
                    && columnSpecs.get(cellIndex).headerColumn)
                documentBuilder.append(ConfluenceMarkup.TABLE_COLUMN_DELIMITER);

            documentBuilder.append(formatCellContent(cellIterator.next()))
                    .append(ConfluenceMarkup.TABLE_COLUMN_DELIMITER);
        }
        documentBuilder.append(newLine);
    }
    documentBuilder.append(newLine);
    return this;
}

From source file:com.github.vanroy.springdata.jest.CriteriaQueryProcessor.java

QueryBuilder createQueryFromCriteria(Criteria criteria) {
    if (criteria == null)
        return null;

    List<QueryBuilder> shouldQueryBuilderList = new LinkedList<QueryBuilder>();
    List<QueryBuilder> mustNotQueryBuilderList = new LinkedList<QueryBuilder>();
    List<QueryBuilder> mustQueryBuilderList = new LinkedList<QueryBuilder>();

    ListIterator<Criteria> chainIterator = criteria.getCriteriaChain().listIterator();

    QueryBuilder firstQuery = null;/*from  w ww  .  jav a 2 s .c o  m*/
    boolean negateFirstQuery = false;

    while (chainIterator.hasNext()) {
        Criteria chainedCriteria = chainIterator.next();
        QueryBuilder queryFragmentForCriteria = createQueryFragmentForCriteria(chainedCriteria);
        if (queryFragmentForCriteria != null) {
            if (firstQuery == null) {
                firstQuery = queryFragmentForCriteria;
                negateFirstQuery = chainedCriteria.isNegating();
                continue;
            }
            if (chainedCriteria.isOr()) {
                shouldQueryBuilderList.add(queryFragmentForCriteria);
            } else if (chainedCriteria.isNegating()) {
                mustNotQueryBuilderList.add(queryFragmentForCriteria);
            } else {
                mustQueryBuilderList.add(queryFragmentForCriteria);
            }
        }
    }

    if (firstQuery != null) {
        if (!shouldQueryBuilderList.isEmpty() && mustNotQueryBuilderList.isEmpty()
                && mustQueryBuilderList.isEmpty()) {
            shouldQueryBuilderList.add(0, firstQuery);
        } else {
            if (negateFirstQuery) {
                mustNotQueryBuilderList.add(0, firstQuery);
            } else {
                mustQueryBuilderList.add(0, firstQuery);
            }
        }
    }

    BoolQueryBuilder query = null;

    if (!shouldQueryBuilderList.isEmpty() || !mustNotQueryBuilderList.isEmpty()
            || !mustQueryBuilderList.isEmpty()) {

        query = boolQuery();

        for (QueryBuilder qb : shouldQueryBuilderList) {
            query.should(qb);
        }
        for (QueryBuilder qb : mustNotQueryBuilderList) {
            query.mustNot(qb);
        }
        for (QueryBuilder qb : mustQueryBuilderList) {
            query.must(qb);
        }
    }

    return query;
}

From source file:bzstats.chart.KillRatioHistoryChart.java

private void fillDataset(DefaultTableXYDataset dataset) {

    ListIterator i = period.listIterator();

    GameEvent event;/*w  ww.  j a  v a2  s. c  o m*/
    XYSeries playerseries;
    PeriodStats stats = new PeriodStats();
    int x;
    float y;
    Iterator statiter;
    Map.Entry entry;
    PlayerStats playerstats;
    while (i.hasNext()) {
        x = i.nextIndex();
        event = (GameEvent) i.next();
        event.collectStats(stats);

        statiter = stats.getPlayerStats().entrySet().iterator();
        while (statiter.hasNext()) {
            entry = (Map.Entry) statiter.next();
            playerstats = (PlayerStats) entry.getValue();
            y = playerstats.getKillRatio();
            playerseries = getSeries(playerstats.getName());

            if (playerseries != null) {
                playerseries.add(x, y);
            }
        }
    }

    // add the series to the dataset
    Iterator serieiter = series.entrySet().iterator();
    while (serieiter.hasNext()) {
        entry = (Map.Entry) serieiter.next();
        dataset.addSeries((XYSeries) entry.getValue());
    }

}