001    // This file is part of the Attempto Java Packages.
002    // Copyright 2008, Attempto Group, University of Zurich (see http://attempto.ifi.uzh.ch).
003    //
004    // The Attempto Java Packages is free software: you can redistribute it and/or modify it under the
005    // terms of the GNU Lesser General Public License as published by the Free Software Foundation,
006    // either version 3 of the License, or (at your option) any later version.
007    //
008    // The Attempto Java Packages is distributed in the hope that it will be useful, but WITHOUT ANY
009    // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
010    // PURPOSE. See the GNU Lesser General Public License for more details.
011    //
012    // You should have received a copy of the GNU Lesser General Public License along with the Attempto
013    // Java Packages. If not, see http://www.gnu.org/licenses/.
014    
015    package ch.uzh.ifi.attempto.acewiki.core.text;
016    
017    import ch.uzh.ifi.attempto.acewiki.core.ontology.Individual;
018    import ch.uzh.ifi.attempto.acewiki.core.ontology.NounConcept;
019    import ch.uzh.ifi.attempto.acewiki.core.ontology.OfRole;
020    import ch.uzh.ifi.attempto.acewiki.core.ontology.OntologyElement;
021    import ch.uzh.ifi.attempto.acewiki.core.ontology.TrAdjRole;
022    import ch.uzh.ifi.attempto.acewiki.core.ontology.VerbRole;
023    import ch.uzh.ifi.attempto.preditor.text.TextElement;
024    
025    /**
026     * This factory class creates text element objects on the basis of ontology elements.
027     * 
028     * @author Tobias Kuhn
029     */
030    public class TextElemFactory {
031            
032            private TextElemFactory() {}  // no instances allowed
033            
034            /**
035             * Creates a new text element for the given word form (by word form id) of the given
036             * ontology element.
037             * 
038             * @param el The ontology element.
039             * @param wordNumber The word form id.
040             * @return The newly created text element.
041             */
042            public static OntologyTextElement createTextElement(OntologyElement el, int wordNumber) {
043                    if (el instanceof NounConcept) {
044                            if (wordNumber == 0) {
045                                    return new NounTextElem((NounConcept) el);
046                            } else if (wordNumber == 1) {
047                                    return new OntoTextElem(el, 1, "NOUNPL");
048                            }
049                    } else if (el instanceof Individual) {
050                            return new OntoTextElem(el, wordNumber, "PROPERNAME");
051                    } else if (el instanceof VerbRole) {
052                            if (wordNumber == 0) {
053                                    return new OntoTextElem(el, 0, "VERB");
054                            } else if (wordNumber == 1) {
055                                    return new OntoTextElem(el, 1, "VERBINF");
056                            } else if (wordNumber == 2) {
057                                    return new OntoTextElem(el, 2, "PVERB");
058                            }
059                    } else if (el instanceof OfRole) {
060                            if (wordNumber == 0) return new OntoTextElem(el, 0, "NOUNOF");
061                    } else if (el instanceof TrAdjRole) {
062                            if (wordNumber == 0) return new OntoTextElem(el, 0, "TRADJ");
063                    }
064                    return null;
065            }
066            
067            /**
068             * Creates a new text element for the default word form of the given ontology element.
069             * 
070             * @param el The ontology element.
071             * @return The newly created text element.
072             */
073            public static TextElement createTextElement(OntologyElement el) {
074                    return createTextElement(el, 0);
075            }
076    
077    }