/*
 * Copyright 2011-17 Fraunhofer ISE, energy & meteo Systems GmbH and other contributors
 *
 * 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 org.openmuc.openiec61850.internal.scl;

import org.openmuc.openiec61850.SclParseException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public abstract class AbstractDataAttribute extends AbstractElement {

    // attributes not needed: valKind

    private String sAddr = null; /* optional - short address */
    private String bType = null; /* mandatory - basic type */

    private String type = null; /* conditional - if bType = "Enum" or "Struct" */
    private int count = 0; /* optional - number of array elements */
    public String value = null;

    public AbstractDataAttribute(Node xmlNode) throws SclParseException {
        super(xmlNode);

        NamedNodeMap attributes = xmlNode.getAttributes();

        for (int i = 0; i < attributes.getLength(); i++) {
            Node node = attributes.item(i);
            String nodeName = node.getNodeName();

            if (nodeName.equals("type")) {
                type = node.getNodeValue();
            }
            else if (nodeName.equals("sAddr")) {
                sAddr = node.getNodeValue();
            }
            else if (nodeName.equals("bType")) {
                bType = node.getNodeValue();
            }
            else if (nodeName.equals("count")) {
                count = Integer.parseInt(node.getNodeValue());
            }
        }

        if (bType == null) {
            throw new SclParseException("Required attribute \"bType\" not found!");
        }

        NodeList elements = xmlNode.getChildNodes();
        for (int i = 0; i < elements.getLength(); i++) {
            Node node = elements.item(i);
            if (node.getNodeName().equals("Val")) {
                value = node.getTextContent();
            }
        }

    }

    public String getsAddr() {
        return sAddr;
    }

    public String getbType() {
        return bType;
    }

    public String getType() {
        return type;
    }

    public int getCount() {
        return count;
    }

}