source: TraumaOntologies/src/main/java/tudelft/healthpsychology/traumaontologies/owltree/OWLProperty.java

package tudelft.healthpsychology.traumaontologies.owltree;

import org.semanticweb.owlapi.model.OWLDataPropertyDomainAxiom;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

import tudelft.healthpsychology.traumaontologies.answerstate.Property;
import tudelft.healthpsychology.traumaontologies.questiontypes.Bool;
import tudelft.healthpsychology.traumaontologies.questiontypes.Int;
import tudelft.healthpsychology.traumaontologies.questiontypes.QuestionType;
import tudelft.healthpsychology.traumaontologies.questiontypes.Text;
import uk.ac.manchester.cs.owl.owlapi.OWLDataPropertyImpl;

/**
 * adapter for {@link OWLDataPropertyDomainAxiom} that makes it conform our
 * abstractionlayer {@link Property}. immutable.
 */
public class OWLProperty implements Property {

        private final String range;
        private final String comment;
        private final String id; // must be unique for each property.

        /**
         * @param range   the indicated range of the property. Allowed are
         *                http://www.w3.org/2001/XMLSchema#boolean,
         *                http://www.w3.org/2001/XMLSchema#int or
         *                http://www.w3.org/2001/XMLSchema#string
         * @param comment the comment text attached to the property.
         * @param id      unique ID referring to the OWL file property ID
         */
        @JsonCreator
        public OWLProperty(@JsonProperty("range") String range,
                        @JsonProperty("comment") String comment,
                        @JsonProperty("id") String id) {
                this.range = range;
                this.comment = comment;
                this.id = id;
        }

        /**
         * Convenience constructor that uses the OWL objects.
         * 
         * @param dp       a specific property like #Locatie_meubel
         * @param reasoner our reasoner
         */
        public OWLProperty(OWLDataPropertyDomainAxiom axiom,
                        OwlTreeReasoner reasoner) {
                this(reasoner.getRange(axiom), reasoner.getComment(axiom),
                                ((OWLDataPropertyImpl) axiom.getProperty()).getIRI()
                                                .getFragment());
        }

        @Override
        public QuestionType getQuestionType() {
                return createAnswer(range, comment, id);
        }

        @Override
        public String toString() {
                return "OWLProperty[" + id + "," + comment + "]";
        }

        /**
         * Factory method, mainly for testing this. See
         * {@link QuestionTypeFactory#create(String, String)}
         * 
         * @param type     the type as in the range field of the owl file:
         *                 http://www.w3.org/2001/XMLSchema#string, #int and
         *                 #boolean
         * @param question the question string, typically as in the comment field of
         *                 the owl file.
         * @param id       the node id
         * @return a proper answertype for this question and type
         */
        protected QuestionType createAnswer(String type, String question,
                        String id) {
                switch (type) {
                case "http://www.w3.org/2001/XMLSchema#boolean":
                        return new Bool(question, id);
                case "http://www.w3.org/2001/XMLSchema#int":
                        return new Int(question, id);

                case "http://www.w3.org/2001/XMLSchema#string":
                        return new Text(question, id);
                default:
                        throw new IllegalArgumentException(
                                        "Unknown/Unsupported type: " + type);
                }
        }

        @Override
        public int hashCode() {
                final int prime = 31;
                int result = 1;
                result = prime * result + ((id == null) ? 0 : id.hashCode());
                return result;
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                OWLProperty other = (OWLProperty) obj;
                if (id == null) {
                        if (other.id != null)
                                return false;
                } else if (!id.equals(other.id))
                        return false;
                return true;
        }

}