bz.davide.dmxmljson.unmarshalling.dom.gwt.GWTDOMValue.java Source code

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Here is the source code for bz.davide.dmxmljson.unmarshalling.dom.gwt.GWTDOMValue.java

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/*
DMXmlJson - Java binding framework for xml and json - http://www.davide.bz/dmxj
    
Copyright (C) 2013-2014 Davide Montesin <d@vide.bz> - Bolzano/Bozen - Italy
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/

package bz.davide.dmxmljson.unmarshalling.dom.gwt;

import java.util.ArrayList;

import bz.davide.dmxmljson.unmarshalling.Array;
import bz.davide.dmxmljson.unmarshalling.Structure;
import bz.davide.dmxmljson.unmarshalling.Value;

import com.google.gwt.dom.client.Node;
import com.google.gwt.dom.client.NodeList;

/**
 * @author Davide Montesin <d@vide.bz>
 */
public class GWTDOMValue implements Value {

    String attributeValue = null;

    ArrayList<ElementAndSubtype> elements;

    public GWTDOMValue(String attributeValue) {
        super();
        this.attributeValue = attributeValue;
    }

    public GWTDOMValue(ArrayList<ElementAndSubtype> elems) {
        super();
        this.elements = elems;
    }

    @Override
    public boolean isNull() {
        return false;
    }

    @Override
    public String string() {
        if (this.attributeValue != null) {
            return this.attributeValue;
        }
        return this.getNodeText(this.elements.get(0).element);
    }

    @Override
    public long integer() {
        if (this.attributeValue != null) {
            return Long.parseLong(this.attributeValue);
        }
        return Long.parseLong(this.getNodeText(this.elements.get(0).element));
    }

    @Override
    public double decimal() {
        if (this.attributeValue != null) {
            return Double.parseDouble(this.attributeValue);
        }
        return Double.parseDouble(this.getNodeText(this.elements.get(0).element));
    }

    @Override
    public boolean booleanValue() {
        if (this.attributeValue != null) {
            return Boolean.parseBoolean(this.attributeValue);
        }
        return Boolean.parseBoolean(this.getNodeText(this.elements.get(0).element));
    }

    @Override
    public Array array() {
        return new GWTDOMArray(this.elements);
    }

    @Override
    public Structure structure() {
        return new GWTDOMStructure(this.elements.get(0));
    }

    String getNodeText(Node node) {
        StringBuffer sb = new StringBuffer();
        this.recursiveText(node, sb);
        return sb.toString();
    }

    void recursiveText(Node node, StringBuffer sb) {
        if (node.getNodeType() == Node.TEXT_NODE) {
            sb.append(node.getNodeValue());
        }
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            NodeList<Node> nl = node.getChildNodes();
            for (int i = 0; i < nl.getLength(); i++) {
                this.recursiveText(nl.getItem(i), sb);
            }
        }
    }

}