XML String parsing in Android?

Question

I use the following code to parse the XML file.

DocumentBuilderFactory factory;
DocumentBuilder builder;
InputStream is;
Document dom;
try {
    factory = DocumentBuilderFactory.newInstance();
    is = new FileInputStream(strFileName);
    builder = factory.newDocumentBuilder();

    dom = builder.parse(is);
}
catch(Exception e){}

Instead of XML file is there any way to parse the String.

String xml="<?xml version="1.0"?> <name> Application</name> <demo> Demo </demo> </xml>";

What you are trying to do is very unclear. If you already have a string - why would you even need a XML parser? — Ofir
– Ofir, Commented Dec 14, 2010 at 7:48

kgiannakakis · Accepted Answer · 2010-12-14 07:48:52Z

30

You can convert your string to an InputStream using ByteArrayInputStream:

String xml ="valid xml here";
InputStream is = new ByteArrayInputStream(xml.getBytes("UTF-8"));

dom = builder.parse(is);

answered Dec 14, 2010 at 7:48

kgiannakakis

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1 Comment

phrogg Over a year ago

i get this problem while using your code java.lang.NullPointerException: Attempt to invoke virtual method 'org.w3c.dom.Document javax.xml.parsers.DocumentBuilder.parse(org.xml.sax.InputSource)' on a null object reference

Valentin Rocher · Accepted Answer · 2011-02-16 22:29:18Z

3

You can use StringReader :

StringReader sr = new StringReader(xml);
InputSource is = new InputSource(sr);
Document d = builder.parse(is);

edited Feb 16, 2011 at 22:29

answered Dec 14, 2010 at 8:06

Valentin Rocher

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2 Comments

Bill Carey Over a year ago

Should the second line be InputSource is = new InputSource(sr); instead?

phrogg Over a year ago

i get this problem while using your code java.lang.NullPointerException: Attempt to invoke virtual method 'org.w3c.dom.Document javax.xml.parsers.DocumentBuilder.parse(org.xml.sax.InputSource)' on a null object reference

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