Property.java

/*
 *    Copyright (c) 2013, University of Toronto.
 * 
 *    Licensed under the Apache License, Version 2.0 (the "License"); you may
 *    not use this file except in compliance with the License. You may obtain
 *    a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *    License for the specific language governing permissions and limitations
 *    under the License.
 */
package edu.toronto.cs.xml2rdf.mapping;

import java.util.Set;

import javax.xml.xpath.XPathExpressionException;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.vocabulary.OWL;

import edu.toronto.cs.xml2rdf.jena.JenaUtils;
import edu.toronto.cs.xml2rdf.xml.XMLUtils;

public class Property {

    private String name;
    private String type;
    private Entity entity;
    private String path;
    private Element element;
    private Set<String> ontologyTypes;
    boolean key;

    public Property(String name, String type, Entity entity, String path,
            Element element, Set<String> ontologyTypes, boolean key) {
        this.name = name;
        this.type = type;
        this.entity = entity;
        this.path = path;
        this.element = element;
        this.ontologyTypes = ontologyTypes;
        this.key = key;
    }

    public String getValue(Element dataElement, Document dataDoc) {
        // TODO: Run xpath and then convert it based on the type
        return null;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public Entity getEntity() {
        return entity;
    }

    public void setEntity(Entity entity) {
        this.entity = entity;
    }

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

    public Element getElement() {
        return element;
    }

    public void setElement(Element element) {
        this.element = element;
    }

    public Set<String> getOntologyTypes() {
        return ontologyTypes;
    }

    public void setOntologyTypes(Set<String> ontologyTypes) {
        this.ontologyTypes = ontologyTypes;
    }

    public boolean isKey() {
        return key;
    }

    public void setKey(boolean key) {
        this.key = key;
    }

    public com.hp.hpl.jena.rdf.model.Property getJenaProperty(Model model) {
        return model.createProperty(getName());
    }

    public Resource createRDFProperty(
            Model model, Resource parentResource, Element item, Document dataDoc) throws XPathExpressionException {

        com.hp.hpl.jena.rdf.model.Property jenaProperty = getJenaProperty(model);
        Resource res = null;
        NodeList nodeList = XMLUtils.getNodesByPath(path, item, dataDoc);
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            String value = node.getTextContent();
            res = parentResource.addProperty(jenaProperty, value);
        }

        for (String uri : ontologyTypes) {
            jenaProperty.addProperty(OWL.equivalentProperty, model.createResource(uri));
        }

        return res;
    }

    public String getSPARQLEqualPhrase(String parentVarName, Element item, Document dataDoc) throws XPathExpressionException {
        String phrase = "";
        NodeList nodeList = XMLUtils.getNodesByPath(path, item, dataDoc);
        for (int i = 0; i < nodeList.getLength(); i++) {
            Node node = nodeList.item(i);
            String value = JenaUtils.querify(node.getTextContent());
//      value = value.replace("\n", "\\n");
//      value = value.replaceAll("\\s+", "\\\\\\\\s+")
//            .replaceAll("\\[", ".")
//            .replaceAll("\\]", ".")
//            .replace("\"", "\\\"")
//            .replace("*", "\\\\*")
//            .replace("+", "\\\\+")
//            .replace("(", "\\\\(")
//            .replace(")", "\\\\)");
            String varName = JenaUtils.getNextSparqlVarName();
            phrase += parentVarName + " <" + name + "> " + varName + " . \n";
            phrase += "FILTER ( " + varName + " = \"" + value + "\") . \n";
//      phrase += "FILTER regex("+ varName + ", \"^" + value + "$\", \"i\" ) . \n";
        }
        return phrase;
    }

    public static void main(String[] args) {
        System.out.println("*".replace("*", "\\*"));
    }

}