public MedlineGenerator(String seed) {
String[] fields = seed.split("\\r?\\n");
for (String fieldData : fields) {
if (fieldData.length() < 4) {
continue;
}
final Scanner scanner = new Scanner(fieldData);
scanner.useDelimiter("\\t");
String fieldName = scanner.next();
scanner.useDelimiter("; ");
scanner.findInLine("\t");
MedlineFieldDefinition defn = MedlineFieldDefinitions.getDefinition(fieldName);
MedlineFieldDefinition.FieldType fieldType =
defn != null ? defn.type : MedlineFieldDefinition.FieldType.SINGLE_TEXT_VALUE;
BaseFieldModel fieldModel = null;
Iterable<Pair<Long, String>> scannerIterator =
new Iterable<Pair<Long, String>>() {
@Override
public Iterator<Pair<Long, String>> iterator() {
return new Iterator<Pair<Long, String>>() {
@Override
public boolean hasNext() {
return scanner.hasNext();
}
@Override
public Pair<Long, String> next() {
String value = "";
String[] data;
do {
String next = scanner.next();
data = next.split("\\t");
if (data.length > 2) {
throw new IllegalStateException(
String.format("Cannot parse word: '%s'", value + next));
}
value += data[0];
} while (data.length < 2);
return new Pair<>(Long.parseLong(data[1]), value);
}
@Override
public void remove() {
throw new NotImplementedException();
}
};
}
};
switch (fieldType) {
case ARRAY_TEXT_VALUES:
case SINGLE_TEXT_VALUE:
case WORDS:
SimpleFieldModel model = new SimpleFieldModel(fieldName, fieldType);
for (Pair<Long, String> pair : scannerIterator) {
model.addValue(pair.getKey(), pair.getValue());
}
fieldModel = model;
break;
case SINGLE_OBJECT_VALUE:
ObjectFieldModel objectModel = new ObjectFieldModel(fieldName);
for (Pair<Long, String> pair : scannerIterator) {
long weight = pair.getKey();
String propertyData = pair.getValue();
int firstColonIndex = propertyData.indexOf(':');
String propertyName = propertyData.substring(0, firstColonIndex);
String propertyValue = propertyData.substring(firstColonIndex);
objectModel.addValue(propertyName, weight, propertyValue);
}
fieldModel = objectModel;
break;
}
fieldModels.put(fieldName, fieldModel);
}
}
