Android XmlPullParser Value Get getPITarget(XmlPullParser pp)

Declaration

public static String getPITarget(XmlPullParser pp)
        throws IllegalStateException 

Method Source Code

//package com.java2s;

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

public class Main {
    /**//from w w w. ja v a  2s . c  o m
     * Return PITarget from Processing Instruction (PI) as defined in
     * XML 1.0 Section 2.6 Processing Instructions
     *  <code>[16] PI ::= '&lt;?' PITarget (S (Char* - (Char* '?>' Char*)))? '?>'</code>
     */
    public static String getPITarget(XmlPullParser pp)
            throws IllegalStateException {
        int eventType;
        try {
            eventType = pp.getEventType();
        } catch (XmlPullParserException ex) {
            // should never happen ...
            throw new IllegalStateException(
                    "could not determine parser state: " + ex
                            + pp.getPositionDescription());
        }
        if (eventType != XmlPullParser.PROCESSING_INSTRUCTION) {
            throw new IllegalStateException(
                    "parser must be on processing instruction and not "
                            + XmlPullParser.TYPES[eventType]
                            + pp.getPositionDescription());
        }
        final String PI = pp.getText();
        for (int i = 0; i < PI.length(); i++) {
            if (isS(PI.charAt(i))) {
                // assert i > 0
                return PI.substring(0, i);
            }
        }
        return PI;
    }

    /**
     * Return true if chacters is S as defined in XML 1.0
     * <code>S ::=  (#x20 | #x9 | #xD | #xA)+</code>
     */
    private static boolean isS(char ch) {
        return (ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t');
    }
}

Related

1. getAttributeValue(XmlPullParser pp, String name)
2. getAttributes( XmlPullParser pullParser)
3. getAttributes( XmlPullParser pullParser, String namespace, String elementName, String attributeName, String attributeValue)
4. getPIData(XmlPullParser pp)
5. getPIData(XmlPullParser pp)
6. getPITarget(XmlPullParser pp)
7. getRequiredAttributeValue(XmlPullParser pp, String namespace, String name)
8. getRequiredAttributeValue(XmlPullParser pp, String namespace, String name)
9. getValuesMap(XmlPullParser parser)