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import java.io.*;
import org.xml.sax.*;
import org.xml.sax.helpers.DefaultHandler;
import javax.xml.parsers.SAXParserFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
public class Echo10 extends DefaultHandler
{
StringBuffer textBuffer;
static final String JAXP_SCHEMA_LANGUAGE =
"http://java.sun.com/xml/jaxp/properties/schemaLanguage";
static final String W3C_XML_SCHEMA =
"http://www.w3.org/2001/XMLSchema";
static final String JAXP_SCHEMA_SOURCE =
"http://java.sun.com/xml/jaxp/properties/schemaSource";
public static void main(String argv[])
{
String xml_recu="d:\\xml\\XMLschema_recu.xml";
String schemaSource="d:\\xml\\schema_annonce.xsd";
// if (argv.length != 1) {
// System.err.println("Usage: cmd filename");
// System.exit(1);
// }
// Use an instance of ourselves as the SAX event handler
DefaultHandler handler = new Echo10();
// Use the validating parser
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setValidating(true);
factory.setNamespaceAware(true);
try {
// Set up output stream
out = new OutputStreamWriter(System.out, "UTF8");
// Parse the input
SAXParser saxParser = factory.newSAXParser();
try {
saxParser.setProperty(JAXP_SCHEMA_LANGUAGE, W3C_XML_SCHEMA);
}
catch (SAXNotRecognizedException x) {
System.out.println("JAXP 1.2 non supporté");
System.exit(1);
// Happens if the parser does not support JAXP 1.2
}
saxParser.setProperty(JAXP_SCHEMA_SOURCE,new File(schemaSource));
saxParser.parse( new File(xml_recu), handler);
} catch (SAXParseException spe) {
// Error generated by the parser
System.out.println("\n** Parsing error"
+ ", line " + spe.getLineNumber()
+ ", uri " + spe.getSystemId());
System.out.println(" " + spe.getMessage() );
// Use the contained exception, if any
Exception x = spe;
if (spe.getException() != null)
x = spe.getException();
x.printStackTrace();
} catch (SAXException sxe) {
// Error generated by this application
// (or a parser-initialization error)
Exception x = sxe;
if (sxe.getException() != null)
x = sxe.getException();
x.printStackTrace();
} catch (ParserConfigurationException pce) {
// Parser with specified options can't be built
pce.printStackTrace();
} catch (IOException ioe) {
// I/O error
ioe.printStackTrace();
} catch (Throwable t) {
t.printStackTrace();
}
System.exit(0);
}
static private Writer out;
private String indentString = " "; // Amount to indent
private int indentLevel = 0;
//===========================================================
// SAX DocumentHandler methods
//===========================================================
public void setDocumentLocator(Locator l)
{
// Save this to resolve relative URIs or to give diagnostics.
try {
out.write("LOCATOR");
out.write("\n SYS ID: " + l.getSystemId() );
out.flush();
} catch (IOException e) {
// Ignore errors
}
}
public void startDocument()
throws SAXException
{
nl();
nl();
emit("START DOCUMENT");
nl();
emit("<?xml version='1.0' encoding='UTF-8'?>");
}
public void endDocument()
throws SAXException
{
nl();
emit("END DOCUMENT");
try {
nl();
out.flush();
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
}
public void startElement(String namespaceURI,
String sName, // simple name
String qName, // qualified name
Attributes attrs)
throws SAXException
{
echoText();
indentLevel++;
nl();
emit("ELEMENT: ");
String eName = sName; // element name
if ("".equals(eName)) eName = qName; // not namespaceAware
emit("<"+eName);
if (attrs != null) {
for (int i = 0; i < attrs.getLength(); i++) {
String aName = attrs.getLocalName(i); // Attr name
if ("".equals(aName)) aName = attrs.getQName(i);
nl();
emit(" ATTR: ");
emit(aName);
emit("\t\"");
emit(attrs.getValue(i));
emit("\"");
}
}
if (attrs.getLength() > 0) nl();
emit(">");
}
public void endElement(String namespaceURI,
String sName, // simple name
String qName // qualified name
)
throws SAXException
{
echoText();
nl();
emit("END_ELM: ");
String eName = sName; // element name
if ("".equals(eName)) eName = qName; // not namespaceAware
emit("</"+eName+">");
indentLevel--;
}
public void characters(char buf[], int offset, int len)
throws SAXException
{
String s = new String(buf, offset, len);
if (textBuffer == null) {
textBuffer = new StringBuffer(s);
} else {
textBuffer.append(s);
}
}
public void ignorableWhitespace(char buf[], int offset, int len)
throws SAXException
{
// Ignore it
}
public void processingInstruction(String target, String data)
throws SAXException
{
nl();
emit("PROCESS: ");
emit("<?"+target+" "+data+"?>");
}
//===========================================================
// SAX ErrorHandler methods
//===========================================================
// treat validation errors as fatal
public void error(SAXParseException e)
throws SAXParseException
{
throw e;
}
// dump warnings too
public void warning(SAXParseException err)
throws SAXParseException
{
System.out.println("** Warning"
+ ", line " + err.getLineNumber()
+ ", uri " + err.getSystemId());
System.out.println(" " + err.getMessage());
}
//===========================================================
// Utility Methods ...
//===========================================================
// Display text accumulated in the character buffer
private void echoText()
throws SAXException
{
if (textBuffer == null) return;
nl();
emit("CHARS: ");
String s = ""+textBuffer;
if (!s.trim().equals("")) emit(s);
textBuffer = null;
}
// Wrap I/O exceptions in SAX exceptions, to
// suit handler signature requirements
private void emit(String s)
throws SAXException
{
try {
out.write(s);
out.flush();
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
}
// Start a new line
// and indent the next line appropriately
private void nl()
throws SAXException
{
String lineEnd = System.getProperty("line.separator");
try {
out.write(lineEnd);
for (int i=0; i < indentLevel; i++) out.write(indentString);
} catch (IOException e) {
throw new SAXException("I/O error", e);
}
}
} |
SAX Schema -- validation xml ??? au secours...
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