staxeventsprinter.java

A sample code for the axiom usage

package org.chinthaka.articles.stax;

import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * 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.
 */

public class StaxEventsPrinter {

    public static final String RESOURCES_FOLDER = "resources";


    public void print(String fileLocation) {
        try {
            FileInputStream fileInputStream = new FileInputStream(fileLocation);
            XMLStreamReader xmlStreamReader = XMLInputFactory.newInstance().createXMLStreamReader(fileInputStream);

            while (xmlStreamReader.hasNext()) {
                printEventInfo(xmlStreamReader);
                System.out.println("========================");
            }
            xmlStreamReader.close();
        } catch (XMLStreamException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        } catch (FileNotFoundException e) {
            e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
        }
    }

    private static void printEventInfo(XMLStreamReader reader) throws XMLStreamException {
        int eventCode = reader.next();
        switch (eventCode) {
            case 1 :
                System.out.println("event = START_ELEMENT");
                System.out.println("Localname = "+reader.getLocalName());
                break;
            case 2 :
                System.out.println("event = END_ELEMENT");
                System.out.println("Localname = "+reader.getLocalName());
                break;
            case 3 :
                System.out.println("event = PROCESSING_INSTRUCTION");
                System.out.println("PIData = " + reader.getPIData());
                break;
            case 4 :
                System.out.println("event = CHARACTERS");
                System.out.println("Characters = " + reader.getText());
                break;
            case 5 :
                System.out.println("event = COMMENT");
                System.out.println("Comment = " + reader.getText());
                break;
            case 6 :
                System.out.println("event = SPACE");
                System.out.println("Space = " + reader.getText());
                break;
            case 7 :
                System.out.println("event = START_DOCUMENT");
                System.out.println("Document Started.");
                break;
            case 8 :
                System.out.println("event = END_DOCUMENT");
                System.out.println("Document Ended");
                break;
            case 9 :
                System.out.println("event = ENTITY_REFERENCE");
                System.out.println("Text = " + reader.getText());
                break;
            case 11 :
                System.out.println("event = DTD");
                System.out.println("DTD = " + reader.getText());

                break;
            case 12 :
                System.out.println("event = CDATA");
                System.out.println("CDATA = " + reader.getText());
                break;
        }
    }

    public static void main(String[] args) {
        StaxEventsPrinter eventsPrinter = new StaxEventsPrinter();
        eventsPrinter.print(RESOURCES_FOLDER + "/sample1.xml");
    }
}