Examples with StringJoiner java.util.StringJoiner used on opensource projects

Example 51 with StringJoiner

use of java.util.StringJoiner in project oc-explorer by devgateway.

the class ExcelSheetDefault method writeRowFlattenObject.

/**
 * Function to flat export an array of objects. Example:
 * [{
 *      x: aaa,
 *      y: bbb,
 *  },{
 *      x: ccc,
 *      y: ddd,
 * }]
 *
 * Will be printed as:
 *      |     x     |     y     |
 *      | aaa ; bbb | ccc ; ddd |
 *
 * @param clazz
 * @param objects
 * @param row
 */
private void writeRowFlattenObject(final Class clazz, final List<Object> objects, final Row row) {
    final Iterator<Field> fields = ExcelFieldService.getFields(clazz);
    while (fields.hasNext()) {
        final Field field = fields.next();
        final FieldType fieldType = ExcelFieldService.getFieldType(field);
        try {
            switch(fieldType) {
                case basic:
                    final int coll = getFreeColl(row);
                    final StringJoiner flattenValue = new StringJoiner(" | ");
                    for (final Object obj : objects) {
                        final Object value = getFieldValue(field, obj);
                        if (value != null) {
                            flattenValue.add(value.toString());
                        }
                    }
                    writeHeaderLabel(field, row, coll);
                    writeCell(flattenValue.toString(), row, coll);
                    break;
                case object:
                    if (ExcelFieldService.isCollection(field)) {
                        logger.error("Unsupported operation for field: '" + field.getName() + "'! You can not " + "flatten an array of objects that contains other array of objects");
                    } else {
                        headerPrefix.push(ExcelFieldService.getFieldName(field));
                        final Class fieldClass = ExcelFieldService.getFieldClass(field);
                        final List<Object> newObjects = new ArrayList();
                        for (Object obj : objects) {
                            final Object value = getFieldValue(field, obj);
                            if (value != null) {
                                newObjects.add(value);
                            }
                        }
                        writeRowFlattenObject(fieldClass, newObjects, row);
                        headerPrefix.pop();
                    }
                    break;
                case objectSeparateSheet:
                    logger.error("Unsupported operation for field: '" + field.getName() + "'! You can not flatten " + "an array of objects that contains objects that need to be printed in other sheet.");
                    break;
                default:
                    logger.error("Undefined field type");
                    break;
            }
        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
            logger.error(e);
        }
    }
}

Example 52 with StringJoiner

use of java.util.StringJoiner in project oc-explorer by devgateway.

the class ExcelSheetDefault method getHeaderPrefix.

/**
 * Compute the header prefix for the current object.
 */
private String getHeaderPrefix() {
    if (headerPrefix.isEmpty()) {
        return "";
    }
    final StringJoiner header = new StringJoiner("/");
    final Enumeration<String> elements = headerPrefix.elements();
    while (elements.hasMoreElements()) {
        header.add(elements.nextElement());
    }
    return header.toString() + "/";
}

Example 53 with StringJoiner

use of java.util.StringJoiner in project elastic-core-maven by OrdinaryDude.

the class FullTextTrigger method indexRow.

/**
 * Index a row
 *
 * @param   row                 Row column data
 * @throws  SQLException        Unable to index row
 */
private void indexRow(Object[] row) throws SQLException {
    indexLock.readLock().lock();
    try {
        String query = tableName + ";" + columnNames.get(dbColumn) + ";" + (Long) row[dbColumn];
        Document document = new Document();
        document.add(new StringField("_QUERY", query, Field.Store.YES));
        long now = System.currentTimeMillis();
        document.add(new TextField("_MODIFIED", DateTools.timeToString(now, DateTools.Resolution.SECOND), Field.Store.NO));
        document.add(new TextField("_TABLE", tableName, Field.Store.NO));
        StringJoiner sj = new StringJoiner(" ");
        for (int index : indexColumns) {
            String data = (row[index] != null ? (String) row[index] : "NULL");
            document.add(new TextField(columnNames.get(index), data, Field.Store.NO));
            sj.add(data);
        }
        document.add(new TextField("_DATA", sj.toString(), Field.Store.NO));
        indexWriter.updateDocument(new Term("_QUERY", query), document);
    } catch (IOException exc) {
        Logger.logErrorMessage("Unable to index row", exc);
        throw new SQLException("Unable to index row", exc);
    } finally {
        indexLock.readLock().unlock();
    }
}

Example 54 with StringJoiner

use of java.util.StringJoiner in project opennms by OpenNMS.

the class GraphPainter method getStyleName.

/**
 * Cannot return null
 */
private String getStyleName(Edge edge) {
    final String styleName = edge.getStyleName();
    final StringJoiner stringJoiner = new StringJoiner(" ");
    if (!Strings.isNullOrEmpty(styleName)) {
        stringJoiner.add(styleName);
    }
    if (isSelected(m_graphContainer.getSelectionManager(), edge)) {
        stringJoiner.add("selected");
    }
    String status = getEdgeStatus(edge);
    if (!Strings.isNullOrEmpty(status)) {
        stringJoiner.add(status);
    }
    return stringJoiner.toString();
}

Example 55 with StringJoiner

use of java.util.StringJoiner in project bazel by bazelbuild.

the class MavenDownloader method getDownloadDestination.

private Path getDownloadDestination(Artifact artifact) {
    String groupIdPath = artifact.getGroupId().replace('.', '/');
    String artifactId = artifact.getArtifactId();
    String version = artifact.getVersion();
    String filename = artifactId + '-' + version + '.' + artifact.getExtension();
    StringJoiner joiner = new StringJoiner("/");
    joiner.add(groupIdPath).add(artifactId).add(version).add(filename);
    return outputDirectory.getRelative(joiner.toString());
}