Android XmlPullParser Check IsElement(XmlPullParser reader, String name)

Description

Is Element

License

Open Source License

Declaration

public static boolean IsElement(XmlPullParser reader, String name)
            throws XmlPullParserException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

public class Main {
    public static boolean IsElement(XmlPullParser reader)
            throws XmlPullParserException {
        if (reader == null)
            throw new NullPointerException();
        return reader.getEventType() == XmlPullParser.START_TAG;
    }/*w w w  .j  ava 2s  . co  m*/

    public static boolean IsElement(XmlPullParser reader, String name)
            throws XmlPullParserException {
        if (reader == null)
            throw new NullPointerException();
        return reader.getEventType() == XmlPullParser.START_TAG
                && (isNullOrEmpty(name) || StringEquals(
                        GetFullName(reader), name));
    }

    public static boolean IsElement(XmlPullParser reader,
            String namespaceName, String localName)
            throws XmlPullParserException {
        if (reader == null)
            throw new NullPointerException();
        return reader.getEventType() == XmlPullParser.START_TAG
                && IsName(reader, namespaceName, localName);
    }

    private static boolean isNullOrEmpty(String s) {
        return s == null || s.length() == 0;
    }

    private static boolean StringEquals(String s1, String s2) {
        if (s1 == s2)
            return true;
        if (s1 == null || s2 == null)
            return false;
        return s1.equals(s2);
    }

    public static String GetFullName(XmlPullParser reader) {
        if (reader.getPrefix() != null)
            return reader.getPrefix() + ":" + reader.getName();
        return reader.getName();
    }

    public static boolean IsName(XmlPullParser reader,
            String namespaceName, String localName) {
        if (reader == null)
            throw new NullPointerException();
        String ns = reader.getNamespace();
        if (isNullOrEmpty(ns)) {
            ns = null;
        }
        if (isNullOrEmpty(namespaceName)) {
            namespaceName = null;
        }
        return (StringEquals(ns, namespaceName))
                && (isNullOrEmpty(localName) || StringEquals(
                        reader.getName(), localName));
    }
}

Related

1. IsElement(XmlPullParser reader)
2. IsElement(XmlPullParser reader, String namespaceName, String localName)
3. IsEndElement(XmlPullParser reader)
4. IsEndElement(XmlPullParser reader, String name)
5. IsEndElement(XmlPullParser reader, String namespaceName, String localName)