Biblioteca Java - Blame information for rev 3
Subversion Repositories:
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3 | mihai | 1 | package lab.scd.xml.sax; |
| 2 | import java.io.*; | ||
| 3 | import java.util.ArrayList; | ||
| 4 | |||
| 5 | import javax.xml.parsers.*; | ||
| 6 | import org.xml.sax.*; | ||
| 7 | import org.xml.sax.helpers.*; | ||
| 8 | |||
| 9 | public class SAXProcesorXML{ | ||
| 10 | public static void main(String[] args) { | ||
| 11 | |||
| 12 | // Contruieste un obiect de tip handler care va capta evenimentele generate in momentul parcurgerii documentului | ||
| 13 | DefaultHandler handler = new MyHandler(); | ||
| 14 | |||
| 15 | // procesare fisier xml utlizand handlerul construit anterios | ||
| 16 | parseXmlFile("persoana.xml", handler, false); | ||
| 17 | } | ||
| 18 | |||
| 19 | |||
| 20 | // Aceasta clasa trebuie sa suprascrie metodele din DefaultHandler | ||
| 21 | static class MyHandler extends DefaultHandler { | ||
| 22 | |||
| 23 | public void endElement(String uri, String localName, String qName) | ||
| 24 | throws SAXException { | ||
| 25 | |||
| 26 | System.err.println("Sfarsit element:"+qName); | ||
| 27 | } | ||
| 28 | |||
| 29 | /** | ||
| 30 | * In momentul inceperi parcurgerii documentului este generat evenimentul start document | ||
| 31 | * care va fi captat de aceasta metoda. In cadrul ei se initializeaza un vector | ||
| 32 | */ | ||
| 33 | public void startDocument() throws SAXException { | ||
| 34 | System.err.println("*Start procesare document"); | ||
| 35 | } | ||
| 36 | |||
| 37 | public void startElement(String uri, String localName, String qName, | ||
| 38 | Attributes attributes) throws SAXException { | ||
| 39 | |||
| 40 | System.err.println("Start element:"+qName); | ||
| 41 | } | ||
| 42 | |||
| 43 | public void characters(char[] ch, int start, int length) | ||
| 44 | throws SAXException { | ||
| 45 | System.err.println("Continut:"+new String(ch,start,length)); | ||
| 46 | } | ||
| 47 | } | ||
| 48 | |||
| 49 | // Parses an XML file using a SAX parser. | ||
| 50 | // If validating is true, the contents is validated against the DTD | ||
| 51 | // specified in the file. | ||
| 52 | public static void parseXmlFile(String filename, DefaultHandler handler, boolean validating) { | ||
| 53 | try { | ||
| 54 | |||
| 55 | SAXParserFactory factory = SAXParserFactory.newInstance(); | ||
| 56 | factory.setValidating(validating); | ||
| 57 | |||
| 58 | // contruieste procesorul si incepe validarea fisir | ||
| 59 | // fisiserul este parcurs si va fi generate evenimente in momentul parcurgerii acestui fisier xml | ||
| 60 | // evenimentele vor fi captate de catre MyHandler | ||
| 61 | factory.newSAXParser().parse(new File(filename), handler); | ||
| 62 | } catch (SAXException e) { | ||
| 63 | e.printStackTrace(); | ||
| 64 | } catch (ParserConfigurationException e) { | ||
| 65 | e.printStackTrace(); | ||
| 66 | } catch (IOException e) { | ||
| 67 | e.printStackTrace(); | ||
| 68 | } | ||
| 69 | } | ||
| 70 | } | ||
| 71 |