Examples with EventType com.revolsys.record.io.format.json.JsonParser.EventType used on opensource projects

Example 6 with EventType

use of com.revolsys.record.io.format.json.JsonParser.EventType in project com.revolsys.open by revolsys.

the class GeoJsonGeometryReader method readCoordinatesListCoordinates.

/**
 * Read one points coordinates and add them to the list of coordinate values.
 *
 * @param values The list to add the points coordinates to.
 * @return The dimension of the coordinate read.
 */
private int readCoordinatesListCoordinates(final List<Double> values) {
    int numAxis = 0;
    if (this.in.getEvent() == EventType.startArray || this.in.hasNext() && this.in.next() == EventType.startArray) {
        EventType event = this.in.getEvent();
        do {
            final JsonParser parser = this.in;
            final Object value = parser.getValue();
            if (value instanceof EventType) {
                event = (EventType) value;
            } else if (value instanceof Number) {
                values.add(((Number) value).doubleValue());
                numAxis++;
                event = this.in.next();
            } else {
                throw new IllegalArgumentException("Expecting number, not: " + value);
            }
        } while (event == EventType.comma);
        if (event != EventType.endArray) {
            throw new IllegalStateException("Exepecting end array, not: " + event);
        }
        return numAxis;
    } else {
        throw new IllegalStateException("Exepecting start array, not: " + this.in.getEvent());
    }
}

Example 7 with EventType

use of com.revolsys.record.io.format.json.JsonParser.EventType in project com.revolsys.open by revolsys.

the class GeoJsonGeometryReader method readGeometryList.

private List<Geometry> readGeometryList() {
    if (this.in.getEvent() == EventType.startArray || this.in.hasNext() && this.in.next() == EventType.startArray) {
        EventType event = this.in.next();
        final List<Geometry> geometries = new ArrayList<>();
        if (event != EventType.endArray) {
            do {
                final Geometry geometry = getNext();
                geometries.add(geometry);
                event = this.in.next();
            } while (event == EventType.comma);
        }
        if (event != EventType.endArray) {
            throw new IllegalStateException("Exepecting end array, not: " + event);
        }
        return geometries;
    } else {
        throw new IllegalStateException("Exepecting start array, not: " + this.in.getEvent());
    }
}

Example 8 with EventType

use of com.revolsys.record.io.format.json.JsonParser.EventType in project com.revolsys.open by revolsys.

the class ArcGisRestServerFeatureReader method getNext.

@SuppressWarnings("resource")
@Override
protected Record getNext() throws NoSuchElementException {
    int previousRecordOffset = this.currentRecordId;
    final int maxRetries = 3;
    for (int retry = 0; retry < maxRetries; retry++) {
        if (this.closed) {
            throw new NoSuchElementException();
        } else {
            JsonParser parser = this.parser;
            if (this.recordCount < this.queryLimit) {
                if (parser == null) {
                    parser = newParser();
                }
                if (!parser.skipToNextObjectInArray()) {
                    if (this.pageByObjectId) {
                        parser = newParser();
                        if (!parser.skipToNextObjectInArray()) {
                            throw new NoSuchElementException();
                        }
                    } else if (this.supportsPaging) {
                        if (this.pageRecordCount == this.pageSize) {
                            parser = newParser();
                            if (!parser.skipToNextObjectInArray()) {
                                throw new NoSuchElementException();
                            }
                        }
                    } else {
                        throw new NoSuchElementException();
                    }
                }
            } else {
                throw new NoSuchElementException();
            }
            if (this.closed) {
                throw new NoSuchElementException();
            } else {
                try {
                    if (parser.isEvent(EventType.endArray, EventType.endDocument)) {
                        throw new NoSuchElementException();
                    }
                    final MapEx recordMap = this.parser.getMap();
                    final Record record = this.recordFacory.newRecord(this.recordDefinition);
                    record.setState(RecordState.INITIALIZING);
                    final MapEx fieldValues = recordMap.getValue("attributes");
                    final int recordId = fieldValues.getInteger(this.idFieldName, -1);
                    this.currentRecordId = recordId;
                    if (this.pageByObjectId) {
                        if (this.currentRecordId == -1) {
                            throw new NoSuchElementException();
                        }
                    }
                    record.setValues(fieldValues);
                    if (this.geometryConverter != null) {
                        final MapEx geometryProperties = recordMap.getValue("geometry");
                        if (Property.hasValue(geometryProperties)) {
                            final Geometry geometry = this.geometryConverter.apply(this.geometryFactory, geometryProperties);
                            record.setGeometryValue(geometry);
                        }
                    }
                    if (parser.hasNext()) {
                        final EventType nextEvent = parser.next();
                        if (nextEvent == EventType.endArray || nextEvent == EventType.endDocument) {
                            this.parser = null;
                        }
                    } else {
                        this.parser = null;
                    }
                    record.setState(RecordState.PERSISTED);
                    this.pageRecordCount++;
                    this.recordCount++;
                    return record;
                } catch (final NoSuchElementException e) {
                    throw e;
                } catch (final Throwable e) {
                    if (retry + 1 == maxRetries) {
                        throw new RuntimeException("Unable to read: " + getPathName(), e);
                    }
                    if (this.pageByObjectId) {
                        if (this.currentRecordId == previousRecordOffset) {
                            if (retry > 1) {
                                Logs.error(this, "Unable to read record: " + getPathName() + " " + this.idFieldName + "=" + (this.currentRecordId + 1));
                                this.currentRecordId++;
                                previousRecordOffset = this.currentRecordId;
                            }
                        } else {
                            Logs.error(this, "Unable to read record: " + getPathName() + " " + this.idFieldName + "=" + (this.currentRecordId + 1));
                            this.currentRecordId++;
                        }
                    } else {
                        close();
                        Exceptions.throwUncheckedException(e);
                    }
                }
            }
        }
    }
    throw new RuntimeException("Unable to read: " + getPathName());
}

Example 9 with EventType

use of com.revolsys.record.io.format.json.JsonParser.EventType in project com.revolsys.open by revolsys.

the class ArcGisRestServerFeatureIterator method getNext.

@SuppressWarnings("resource")
@Override
protected Record getNext() throws NoSuchElementException {
    int previousRecordOffset = this.currentRecordId;
    final int maxRetries = 3;
    for (int retry = 0; retry < maxRetries; retry++) {
        if (this.closed) {
            throw new NoSuchElementException();
        } else {
            JsonParser parser = this.parser;
            if (this.recordCount < this.queryLimit) {
                if (parser == null) {
                    parser = newParser();
                }
                if (!parser.skipToNextObjectInArray()) {
                    if (this.pageByObjectId) {
                        parser = newParser();
                        if (!parser.skipToNextObjectInArray()) {
                            throw new NoSuchElementException();
                        }
                    } else if (this.supportsPaging) {
                        if (this.pageRecordCount == this.pageSize) {
                            parser = newParser();
                            if (!parser.skipToNextObjectInArray()) {
                                throw new NoSuchElementException();
                            }
                        }
                    } else {
                        throw new NoSuchElementException();
                    }
                }
            } else {
                throw new NoSuchElementException();
            }
            if (this.closed) {
                throw new NoSuchElementException();
            } else {
                try {
                    if (parser.isEvent(EventType.endArray, EventType.endDocument)) {
                        throw new NoSuchElementException();
                    }
                    final MapEx recordMap = this.parser.getMap();
                    final Record record = this.recordFacory.newRecord(this.recordDefinition);
                    record.setState(RecordState.INITIALIZING);
                    final MapEx fieldValues = recordMap.getValue("attributes");
                    this.currentRecordId = fieldValues.getInteger(this.idFieldName, -1);
                    if (this.pageByObjectId) {
                        if (this.currentRecordId == -1) {
                            throw new NoSuchElementException();
                        }
                    }
                    record.setValues(fieldValues);
                    if (this.geometryConverter != null) {
                        final MapEx geometryProperties = recordMap.getValue("geometry");
                        if (Property.hasValue(geometryProperties)) {
                            final Geometry geometry = this.geometryConverter.apply(this.geometryFactory, geometryProperties);
                            record.setGeometryValue(geometry);
                        }
                    }
                    if (parser.hasNext()) {
                        final EventType nextEvent = parser.next();
                        if (nextEvent == EventType.endArray || nextEvent == EventType.endDocument) {
                            this.parser = null;
                        }
                    } else {
                        this.parser = null;
                    }
                    record.setState(RecordState.PERSISTED);
                    this.pageRecordCount++;
                    this.recordCount++;
                    return record;
                } catch (final NoSuchElementException e) {
                    throw e;
                } catch (final Throwable e) {
                    if (retry + 1 == maxRetries) {
                        throw new RuntimeException("Unable to read: " + getPathName(), e);
                    }
                    if (this.pageByObjectId) {
                        if (this.currentRecordId == previousRecordOffset) {
                            if (retry > 1) {
                                Logs.error(this, "Unable to read record: " + getPathName() + " " + this.idFieldName + "=" + (this.currentRecordId + 1));
                                this.currentRecordId++;
                                previousRecordOffset = this.currentRecordId;
                            }
                        } else {
                            Logs.error(this, "Unable to read record: " + getPathName() + " " + this.idFieldName + "=" + (this.currentRecordId + 1));
                            this.currentRecordId++;
                        }
                    } else {
                        close();
                        Exceptions.throwUncheckedException(e);
                    }
                }
            }
        }
    }
    throw new RuntimeException("Unable to read: " + getPathName());
}