/*
 * 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.Fc;
import org.openmuc.openiec61850.SclParseException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

public final class Da extends AbstractDataAttribute {

    private Fc fc = null;
    private boolean dchg = false;
    private boolean qchg = false;
    private boolean dupd = false;

    public Da(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("fc")) {
                fc = Fc.fromString(node.getNodeValue());
                if (fc == null) {
                    throw new SclParseException("Invalid Functional Constraint");
                }
            }
            else if (nodeName.equals("dchg")) {
                dchg = "true".equals(node.getNodeValue());
            }
            else if (nodeName.equals("qchg")) {
                qchg = "true".equals(node.getNodeValue());
            }
            else if (nodeName.equals("dupd")) {
                dupd = "true".equals(node.getNodeValue());
            }
        }

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

    }

    public Fc getFc() {
        return fc;
    }

    public boolean isDchg() {
        return dchg;
    }

    public boolean isQchg() {
        return qchg;
    }

    public boolean isDupd() {
        return dupd;
    }

}