Given this XML snippet
<?xml version="1.0"?>
<catalog>
<book id="bk101">
<author>Gambardella, Matthew</author>
In SAX, it is easy to get attribute values:
@Override
public void startElement (String uri, String localName,
String qName, Attributes attributes) throws SAXException{
if(qName.equals("book")){
String bookId = attributes.getValue("id");
...
}
}
But to get the value of a text node, e.g. the value of the <author>
tag, it is quite hard...
private StringBuffer curCharValue = new StringBuffer(1024);
@Override
public void startElement (String uri, String localName,
String qName, Attributes attributes) throws SAXException {
if(qName.equals("author")){
curCharValue.clear();
}
}
@Override
public void characters (char ch[], int start, int length) throws SAXException
{
//already synchronized
curCharValue.append(char, start, length);
}
@Override
public void endElement (String uri, String localName, String qName)
throws SAXException
{
if(qName.equals("author")){
String author = curCharValue.toString();
}
}
That's the usual way to do it with SAX.
Just beware that characters()
may be called more than once per tag. See this question for more info. Here is a complete example.
Otherwise you could give a try to StAX.
public void startElement(String strNamespaceURI, String strLocalName,
String strQName, Attributes al) throws SAXException {
if(strLocalName.equalsIgnoreCase("HIT"))
{
String output1 = al.getValue("NAME");
//this will work but how can we parse if NAME="abc" only ?
}
}
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