/*
 * Copyright (c) 1998, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.internal.oxm.record.deferred;

import org.eclipse.persistence.internal.oxm.record.UnmarshalRecord;
import org.xml.sax.SAXException;

/**
 * <p><b>Purpose</b>: Class to represent the characters event
 * <p><b>Responsibilities</b>:<ul>
 * <li> Execute the characters event on the given unmarshalRecord with the specified arguments
 * </ul>
 */
public class CharactersEvent extends SAXEvent {

    private CharSequence charSequence;
    private char[] characters;
    private int length;

    public CharactersEvent(CharSequence charSequence) {
        super();
        this.charSequence = charSequence;
    }

    public CharactersEvent(char[] theCharacters, int theStart, int theLength) {
        super();
        //clone the character array. The one passed in from the original SAX event may change.
        length = theLength;
        characters = new char[length];
        System.arraycopy( theCharacters, theStart, characters, 0, length);
    }

    @Override
    public void processEvent(UnmarshalRecord unmarshalRecord) throws SAXException {
        if(null == charSequence) {
            unmarshalRecord.characters(characters, 0, length);
        } else {
            unmarshalRecord.characters(charSequence);
        }
    }

}