Android XmlPullParser Check require(final XmlPullParser pp, final String tagName)

Description

require

License

Open Source License

Declaration

public static void require(final XmlPullParser pp, final String tagName)
            throws XmlPullParserException, IOException 

Method Source Code

//package com.java2s;
/*//from w w w  . j  a v  a2 s .c  o  m
 * For license please see accompanying LICENSE.txt file (available also at http://www.xmlpull.org/).
 * According to www.xmlpull.org, this code is in the public domain.
 */

import java.io.IOException;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

public class Main {
    public static void require(final XmlPullParser pp, final String tagName)
            throws XmlPullParserException, IOException {
        skipWhitespace(pp);

        pp.require(XmlPullParser.START_TAG, null, tagName);
    }

    private static void skipWhitespace(final XmlPullParser pp)
            throws XmlPullParserException, IOException {
        if (pp.getEventType() == XmlPullParser.START_DOCUMENT)
            pp.next();
        if (pp.getEventType() == XmlPullParser.TEXT && pp.isWhitespace())
            pp.next();
    }

    public static void next(final XmlPullParser pp)
            throws XmlPullParserException, IOException {
        skipSubTree(pp);
        pp.next();
    }

    /**
     * Skip sub tree that is currently porser positioned on. <br>
     * NOTE: parser must be on START_TAG and when funtion returns parser will be positioned on corresponding END_TAG
     */
    public static void skipSubTree(final XmlPullParser pp)
            throws XmlPullParserException, IOException {
        pp.require(XmlPullParser.START_TAG, null, null);

        int level = 1;
        while (level > 0) {
            final int eventType = pp.next();
            if (eventType == XmlPullParser.END_TAG)
                --level;
            else if (eventType == XmlPullParser.START_TAG)
                ++level;
        }
    }
}

Related

1. IsEndElement(XmlPullParser reader, String namespaceName, String localName)
2. IsName(XmlPullParser reader, String namespaceName, String localName)
3. IsStartElement(XmlPullParser reader)
4. IsStartElement(XmlPullParser reader, String name)
5. IsStartElement(XmlPullParser reader, String namespaceName, String localName)
6. requireAttr(final XmlPullParser pp, final String attrName, final String requiredValue)