в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:22:16Z

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== DocumentBuilder: newDocument() ==



<source lang="java">
/*

<?xml version="1.0" encoding="UTF-8"?>
<book id="javanut4">
<chapter>
<title>Chapter 1</title>
<para/>
</chapter>
<chapter>
<title>Chapter 2</title>
<para/>
</chapter>
<chapter>
<title>Chapter 3</title>
<para/>
</chapter>
</book>
*/
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class MainClass {
public static void main(String[] args) throws Exception{
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document document = db.newDocument();
Element book = document.createElement("book");
book.setAttribute("id", "javanut4");
document.appendChild(book);
for(int i = 1; i <= 3; i++) {
Element chapter = document.createElement("chapter");
Element title = document.createElement("title");
title.appendChild(document.createTextNode("Chapter " + i));
chapter.appendChild(title);
chapter.appendChild(document.createElement("para"));
book.appendChild(chapter);
}
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
DOMSource source = new DOMSource(document);
StreamResult result = new StreamResult(System.out);
transformer.transform(source, result);
}
}

</source>



== DocumentBuilder: parse(File f) ==



<source lang="java">
import java.io.File;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class MainClass {
public static void main(String[] args) throws IOException, ParserConfigurationException,
org.xml.sax.SAXException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setIgnoringComments(true);
factory.setCoalescing(true); // Convert CDATA to Text nodes
factory.setNamespaceAware(false); // No namespaces: this is default
factory.setValidating(false); // Don"t validate DTD: also default
DocumentBuilder parser = factory.newDocumentBuilder();
Document document = parser.parse(new File(args[0]));
NodeList sections = document.getElementsByTagName("sect1");
int numSections = sections.getLength();
for (int i = 0; i < numSections; i++) {
Element section = (Element) sections.item(i); // A <sect1>
Node title = section.getFirstChild();
while (title != null && title.getNodeType() != Node.ELEMENT_NODE)
title = title.getNextSibling();
if (title != null)
System.out.println(title.getFirstChild().getNodeValue());
}
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия