Example usage for org.apache.commons.csv CSVParser spliterator

Introduction

In this page you can find the example usage for org.apache.commons.csv CSVParser spliterator.

Prototype

default Spliterator<T> spliterator() 

Source Link

Document

Creates a Spliterator over the elements described by this Iterable .

Usage

From source file:mtsar.api.csv.WorkerCSV.java

public static Iterator<Worker> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Worker.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .build();/*from ww w . ja v  a  2 s.  c  om*/
    }).iterator();
}

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From source file:mtsar.api.csv.TaskCSV.java

public static Iterator<Task> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String type = row.get("type");
        final String description = row.isSet("description") ? row.get("description") : null;
        final String[] answers = row.isSet("answers") && !StringUtils.isEmpty(row.get("answers"))
                ? row.get("answers").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Task.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .setType(StringUtils.defaultIfEmpty(type, TaskDAO.TASK_TYPE_SINGLE)).setDescription(description)
                .addAllAnswers(Arrays.asList(answers)).build();
    }).iterator();/*from  w ww .j a  va2 s  .c o  m*/
}

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From source file:mtsar.api.csv.AnswerCSV.java

public static Iterator<Answer> parse(Stage stage, CSVParser csv) {
    final Set<String> header = csv.getHeaderMap().keySet();
    checkArgument(!Sets.intersection(header, Sets.newHashSet(HEADER)).isEmpty(), "Unknown CSV header: %s",
            String.join(",", header));

    return StreamSupport.stream(csv.spliterator(), false).map(row -> {
        final String id = row.isSet("id") ? row.get("id") : null;
        final String[] tags = row.isSet("tags") && !StringUtils.isEmpty(row.get("tags"))
                ? row.get("tags").split("\\|")
                : new String[0];
        final String type = row.isSet("type") ? row.get("type") : null;
        final String workerId = row.get("worker_id");
        final String taskId = row.get("task_id");
        final String[] answers = row.isSet("answers") && !StringUtils.isEmpty(row.get("answers"))
                ? row.get("answers").split("\\|")
                : new String[0];
        final String datetime = row.isSet("datetime") ? row.get("datetime") : null;

        return new Answer.Builder().setId(StringUtils.isEmpty(id) ? null : Integer.valueOf(id))
                .setStage(stage.getId()).addAllTags(Arrays.asList(tags))
                .setDateTime(new Timestamp(StringUtils.isEmpty(datetime) ? System.currentTimeMillis()
                        : Long.parseLong(datetime) * 1000L))
                .setType(StringUtils.defaultIfEmpty(type, AnswerDAO.ANSWER_TYPE_DEFAULT))
                .setWorkerId(Integer.valueOf(workerId)).setTaskId(Integer.valueOf(taskId))
                .addAllAnswers(Arrays.asList(answers)).build();
    }).iterator();//  w w w .java 2s .c  o  m
}

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From source file:com.leadscope.commanda.sources.CSVSource.java

@Override
public Stream<CSVRecord> stream(InputStream inputStream) {
    try {//from w ww .  ja  v  a  2 s .co m
        CSVParser parser = new CSVParser(new InputStreamReader(inputStream, charset), format);
        return StreamSupport.stream(parser.spliterator(), false);
    } catch (RuntimeException re) {
        throw re;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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