How to ignore Html elements with XMLPullParser?

Question

I have an xml file that is streamed to an xml parser.

The content of the xml file contains html tags, which I would like to ignore:

    <overview>
      <p>Situated on a peninsula halfway up the west coast of India, Mumbai (formerly Bombay) is India's economic powerhouse and home to more millionaires than any other city on the Indian sub-continent.</p>
      <p>The Portuguese established this old Hindu city as a colony in 1509.</p>
      <p>Like many Indian cities, the streets of Mumbai are congested with cattle, carts and motor vehicles and the air is thick with smog.</p>
</overview>

The method to parse the overview is:

private String readOverview(XmlPullParser parser) throws IOException, XmlPullParserException{
        parser.require(XmlPullParser.START_TAG, ns, TAG_OVERVIEW);
        String overview = readText(parser);
        parser.require(XmlPullParser.END_TAG, ns, TAG_OVERVIEW);
        return overview;
    }

The error is: expected: END_TAG {null}overview (position:START_TAG <p>@6:10 in java.io.InputStreamReader@537c80f4).

Can't you parse those tags instead?

Tushar Gogna
– Tushar Gogna

2015-02-18 07:28:00 +00:00
Commented Feb 18, 2015 at 7:28 — Tushar Gogna
– Tushar Gogna, Commented Feb 18, 2015 at 7:28

kris larson · Accepted Answer · 2016-08-31 17:22:14Z

1

That error is occurring because the parser is reading unmatched tags.

I needed my parser to read unmatched HTML tags without throwing an error, and this is what worked for me:

    parser.setFeature("http://xmlpull.org/v1/doc/features.html#relaxed", true);

This worked for me on emulators as far back as 4.1.1 (JellyBean).

If you want to ignore the HTML tags, the CDATA option is a better solution.

answered Aug 31, 2016 at 17:22

kris larson

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Comments

Neha Agrawal · Accepted Answer · 2015-02-18 08:51:52Z

0

If you can CDATA tags to your XML file. Then you should be able to ignore the HTML tags.

Reference: XML Cdata - Explains it well

answered Feb 18, 2015 at 8:51

Neha Agrawal

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tread · Accepted Answer · 2015-02-28 10:06:39Z

The trick is to understand how the XmlPullParser works

Once you understand it you can implement a function that finds the <p> tags and handles them as required. In this case making a List<String>

Example:

//Extract Tags
private List<String> readHtml(XmlPullParser parser) throws IOException, XmlPullParserException {

    List<String> result = new ArrayList<String>();
    //Required Tag is in calling function

    //holder for current line
    String curr_line = "";
    //get current tag name
    String current_tag_name = "";

    //while an end tag is not found
    while (parser.next() != XmlPullParser.END_TAG){
        //if a start tag is found continue
        if (parser.getEventType() != XmlPullParser.START_TAG){
            continue;
        }
        //get current tag
        current_tag_name = parser.getName();
        if (current_tag_name.equals(TAG_P)){
            curr_line = readText(parser);
        }
        else{
            skip(parser);
        }
        if (curr_line != null){
            result.add(curr_line);
        }
    }
    return result;
}

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