в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

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2010-05-31T14:22:14Z

1 версия

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== DocumentBuilderFactory: newDocumentBuilder() ==



<source lang="java">

import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class MainClass {
static public void main(String[] arg) {
boolean validate = false;
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(validate);
dbf.setNamespaceAware(true);
dbf.setIgnoringElementContentWhitespace(true);
Document doc = null;
try {
DocumentBuilder builder = dbf.newDocumentBuilder();
doc = builder.parse(new InputSource(new StringReader(xmlString)));
} catch (SAXException e) {
System.exit(1);
} catch (ParserConfigurationException e) {
System.err.println(e);
System.exit(1);
} catch (IOException e) {
System.err.println(e);
System.exit(1);
}
TreeDumper td = new TreeDumper();
td.dump(doc);
}
static String xmlString = "<PHONEBOOK>" +
" <PERSON>" +
" <NAME >Joe Wang</NAME>" +
" <EMAIL property=\"working\">joe@yourserver.ru</EMAIL>" +
" <TELEPHONE>202-999-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" <PERSON> " +
"<NAME>Karol</NAME>" +
" <EMAIL>karol@yourserver.ru</EMAIL>" +
" <TELEPHONE>306-999-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" <PERSON>" +
" <NAME>Green</NAME>" +
" <EMAIL>green@yourserver.ru</EMAIL>" +
" <TELEPHONE>202-414-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" </PHONEBOOK>";
}
class TreeDumper {
public void dump(Document doc) {
dumpLoop((Node)doc,"");
}
private void dumpLoop(Node node,String indent) {
switch(node.getNodeType()) {
case Node.CDATA_SECTION_NODE:
System.out.println(indent + "CDATA_SECTION_NODE");
break;
case Node.ruMENT_NODE:
System.out.println(indent + "COMMENT_NODE");
break;
case Node.DOCUMENT_FRAGMENT_NODE:
System.out.println(indent + "DOCUMENT_FRAGMENT_NODE");
break;
case Node.DOCUMENT_NODE:
System.out.println(indent + "DOCUMENT_NODE");
break;
case Node.DOCUMENT_TYPE_NODE:
System.out.println(indent + "DOCUMENT_TYPE_NODE");
break;
case Node.ELEMENT_NODE:
System.out.println(indent + "ELEMENT_NODE");
break;
case Node.ENTITY_NODE:
System.out.println(indent + "ENTITY_NODE");
break;
case Node.ENTITY_REFERENCE_NODE:
System.out.println(indent + "ENTITY_REFERENCE_NODE");
break;
case Node.NOTATION_NODE:
System.out.println(indent + "NOTATION_NODE");
break;
case Node.PROCESSING_INSTRUCTION_NODE:
System.out.println(indent + "PROCESSING_INSTRUCTION_NODE");
break;
case Node.TEXT_NODE:
System.out.println(indent + "TEXT_NODE");
break;
default:
System.out.println(indent + "Unknown node");
break;
}
NodeList list = node.getChildNodes();
for(int i=0; i<list.getLength(); i++)
dumpLoop(list.item(i),indent + " ");
}
}

</source>



== DocumentBuilderFactory: newInstance() ==



<source lang="java">

import java.io.IOException;
import java.io.StringReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class MainClass {
static public void main(String[] arg) {
boolean validate = false;
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setValidating(validate);
dbf.setNamespaceAware(true);
dbf.setIgnoringElementContentWhitespace(true);
Document doc = null;
try {
DocumentBuilder builder = dbf.newDocumentBuilder();
doc = builder.parse(new InputSource(new StringReader(xmlString)));
} catch (SAXException e) {
System.exit(1);
} catch (ParserConfigurationException e) {
System.err.println(e);
System.exit(1);
} catch (IOException e) {
System.err.println(e);
System.exit(1);
}
TreeDumper td = new TreeDumper();
td.dump(doc);
}
static String xmlString = "<PHONEBOOK>" +
" <PERSON>" +
" <NAME >Joe Wang</NAME>" +
" <EMAIL property=\"working\">joe@yourserver.ru</EMAIL>" +
" <TELEPHONE>202-999-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" <PERSON> " +
"<NAME>Karol</NAME>" +
" <EMAIL>karol@yourserver.ru</EMAIL>" +
" <TELEPHONE>306-999-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" <PERSON>" +
" <NAME>Green</NAME>" +
" <EMAIL>green@yourserver.ru</EMAIL>" +
" <TELEPHONE>202-414-9999</TELEPHONE>" +
" <WEB>www.jexp.ru</WEB>" +
" </PERSON>" +
" </PHONEBOOK>";
}
class TreeDumper {
public void dump(Document doc) {
dumpLoop((Node)doc,"");
}
private void dumpLoop(Node node,String indent) {
switch(node.getNodeType()) {
case Node.CDATA_SECTION_NODE:
System.out.println(indent + "CDATA_SECTION_NODE");
break;
case Node.ruMENT_NODE:
System.out.println(indent + "COMMENT_NODE");
break;
case Node.DOCUMENT_FRAGMENT_NODE:
System.out.println(indent + "DOCUMENT_FRAGMENT_NODE");
break;
case Node.DOCUMENT_NODE:
System.out.println(indent + "DOCUMENT_NODE");
break;
case Node.DOCUMENT_TYPE_NODE:
System.out.println(indent + "DOCUMENT_TYPE_NODE");
break;
case Node.ELEMENT_NODE:
System.out.println(indent + "ELEMENT_NODE");
break;
case Node.ENTITY_NODE:
System.out.println(indent + "ENTITY_NODE");
break;
case Node.ENTITY_REFERENCE_NODE:
System.out.println(indent + "ENTITY_REFERENCE_NODE");
break;
case Node.NOTATION_NODE:
System.out.println(indent + "NOTATION_NODE");
break;
case Node.PROCESSING_INSTRUCTION_NODE:
System.out.println(indent + "PROCESSING_INSTRUCTION_NODE");
break;
case Node.TEXT_NODE:
System.out.println(indent + "TEXT_NODE");
break;
default:
System.out.println(indent + "Unknown node");
break;
}
NodeList list = node.getChildNodes();
for(int i=0; i<list.getLength(); i++)
dumpLoop(list.item(i),indent + " ");
}
}

</source>



== DocumentBuilderFactory: setCoalescing(boolean coalescing) ==



<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>



== DocumentBuilderFactory: setExpandEntityReferences(boolean expandEntityRef) ==



<source lang="java">

import java.io.File;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.ProcessingInstruction;
public class Main {
public static void main(String[] argv) throws Exception {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setValidating(true);
factory.setExpandEntityReferences(false);
Document doc = factory.newDocumentBuilder().parse(new File("filename"));
Element element = doc.getDocumentElement();
ProcessingInstruction pi = doc.createProcessingInstruction("target", "instruction");
NodeList list = doc.getElementsByTagName("entry");
for (int i = 0; i < list.getLength(); i++) {
element = (Element) list.item(i);
pi = doc.createProcessingInstruction("target", "instruction=" + i);
element.appendChild(pi);
}
}
}

</source>



== DocumentBuilderFactory: setIgnoringComments(boolean ignoreComments) ==



<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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Java by API/javax.xml.parsers/DocumentBuilderFactory - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия