Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamException;

import javax.xml.stream.events.XMLEvent;

public class Main {
    /**
     * Print this tag and its contents. This will consume everything up to the
     * matching end tag.
     * 
     * @param start
     * @param xml
     * @param indent
     * @throws XMLStreamException
     */
    public static String printEvents(XMLEvent current, XMLEventReader xml) throws XMLStreamException {
        return printEvents(current, xml, 0);
    }

    private static String printEvents(XMLEvent start, XMLEventReader xml, int indent) throws XMLStreamException {
        String ret = "\n";
        for (int i = 0; i < indent; i++) {
            ret += " ";
        }
        ret += start + "\n";

        XMLEvent next = null;
        // Keep processing events...
        while (xml.hasNext()) {
            next = xml.nextEvent();
            // Delegate start tags to a new indentation level
            if (next.isStartElement()) {
                printEvents(next, xml, indent + 4);
            } else if (next.isEndElement()) {
                // We've found our end element. Add it and be done.
                for (int i = 0; i < indent; i++) {
                    ret += " ";
                }
                ret += next + "\n";
                return ret;
            } else if (next.isCharacters() && next.asCharacters().isWhiteSpace()) {
                // Skip whitespace
                continue;
            } else {
                // Print the contents of this tag
                for (int i = 0; i < indent + 4; i++) {
                    ret += " ";
                }
                ret += next + "\n";
            }
        }
        // Oh wow, we ran out of XML. Uh, return then?
        return ret;
    }

    /** 
     * Calls xml.nextEvent() and unchecks the exception.
     * 
     * @param xml
     * @return xml.nextEvent(), or throws a RuntimeException.
     */
    public static XMLEvent nextEvent(XMLEventReader xml) {
        try {
            return xml.nextEvent();
        } catch (XMLStreamException e) {
            throw new RuntimeException(e);
        }
    }

    public static boolean isWhitespace(XMLEvent e) {
        if (e.isCharacters() && e.asCharacters().isWhiteSpace()) {
            return true;
        }
        return false;
    }
}