package net.processone.plugin.openfire;
import java.io.IOException;
import java.net.URL;
import javax.xml.parsers.SAXParserFactory;
import org.apache.commons.fileupload.FileItem;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
import org.dom4j.io.SAXWriter;
import org.jivesoftware.util.Log;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXParseException;
import com.sun.msv.reader.util.GrammarLoader;
import com.sun.msv.reader.util.IgnoreController;
import com.sun.msv.verifier.DocumentDeclaration;
import com.sun.msv.verifier.Verifier;
public class UserSchemaValidator {
private Document doc;
private String schema;
UserSchemaValidator(FileItem usersFile, String schemaFile) throws DocumentException, IOException {
SAXReader reader = new SAXReader();
doc = reader.read(usersFile.getInputStream());
URL schemaURL = this.getClass().getClassLoader().getResource(schemaFile);
schema = schemaURL.toExternalForm();
}
boolean validate() {
try {
SAXParserFactory saxFactory = SAXParserFactory.newInstance();
saxFactory.setNamespaceAware(true);
DocumentDeclaration docDeclaration = GrammarLoader.loadVGM(schema, new IgnoreController() {
public void error(Locator[] locations,
String message,
Exception exception) {
Log.error("ERROR: " + message);
}
public void error(Locator[] locations, String message) {
Log.error("WARNING: " + message);
}
}, saxFactory);
ValidatorErrorHandler validatorErrorHandler = new ValidatorErrorHandler();
Verifier verifier = new Verifier(docDeclaration, validatorErrorHandler);
SAXWriter writer = new SAXWriter((ContentHandler) verifier);
writer.setErrorHandler(validatorErrorHandler);
writer.write(doc);
if (verifier.isValid()) {
return true;
} else {
Log.error(doc.getName() + " is invalid.");
return false;
}
} catch (Exception e) {
Log.error(e);
return false;
}
}
private class ValidatorErrorHandler implements ErrorHandler {
public void error(SAXParseException e) {
Log.error("ERROR:" + e);
}
public void fatalError(SAXParseException e) {
Log.error("Fatal:" + e);
}
public void warning(SAXParseException e) {
Log.error("Warning:" + e);
}
}
}