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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2004-2018 Oracle and/or its affiliates. All rights reserved.
 *
 * Oracle licenses this file to You 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 com.sun.xml.fastinfoset.stax.events;

import javax.xml.stream.XMLStreamConstants;

/** A Utility class for the StAX Events implementation.
 */
public class Util {
    
    /**
     * A string is empty if it's null or contains nothing
     *
     * @param s The string to check.
     */
    public static boolean isEmptyString(String s) {
        if (s != null && !s.equals("")) 
            return false;
        else
            return true;
    } 
    
    public final static String getEventTypeString(int eventType) {
        switch (eventType){
            case XMLStreamConstants.START_ELEMENT:
                return "START_ELEMENT";
            case XMLStreamConstants.END_ELEMENT:
                return "END_ELEMENT";
            case XMLStreamConstants.PROCESSING_INSTRUCTION:
                return "PROCESSING_INSTRUCTION";
            case XMLStreamConstants.CHARACTERS:
                return "CHARACTERS";
            case XMLStreamConstants.COMMENT:
                return "COMMENT";
            case XMLStreamConstants.START_DOCUMENT:
                return "START_DOCUMENT";
            case XMLStreamConstants.END_DOCUMENT:
                return "END_DOCUMENT";
            case XMLStreamConstants.ENTITY_REFERENCE:
                return "ENTITY_REFERENCE";
            case XMLStreamConstants.ATTRIBUTE:
                return "ATTRIBUTE";
            case XMLStreamConstants.DTD:
                return "DTD";
            case XMLStreamConstants.CDATA:
                return "CDATA";
        }
        return "UNKNOWN_EVENT_TYPE";
    }
    
}