Examples with TextIterator org.apache.stanbol.entityhub.servicesapi.util.TextIterator used on opensource projects

Example 1 with TextIterator

use of org.apache.stanbol.entityhub.servicesapi.util.TextIterator in project stanbol by apache.

the class InMemoryRepresentation method removeNaturalText.

@SuppressWarnings("unchecked")
@Override
public void removeNaturalText(String field, String text, String... languages) {
    if (field == null) {
        throw new IllegalArgumentException("The parsed field MUST NOT be NULL");
    } else if (field.isEmpty()) {
        throw new IllegalArgumentException("The parsed field MUST NOT be Empty");
    }
    Object values = representation.get(field);
    if (values == null) {
        return;
    }
    if (values instanceof Collection<?>) {
        int removed = 0;
        for (Iterator<Text> it = new TextIterator(valueFactory, ((Collection<Object>) values).iterator(), languages); it.hasNext(); ) {
            //go to the next element
            Text label = it.next();
            if (text.equals(label.getText())) {
                //and remove it
                it.remove();
                removed++;
            }
        }
        if (removed > 0) {
            //if some elements where removed
            //check if there is only a singe or no elements left for the field
            int size = ((Collection<Object>) values).size();
            if (size == 1) {
                representation.put(field, ((Collection<Object>) values).iterator().next());
            } else if (size < 1) {
                representation.remove(field);
            }
        }
    } else if (text.equals(getNaturalLanguageValue(values, languages))) {
        representation.remove(field);
    }
//else there is a single value that does not fit -> nothing todo
}