/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* https://jaxp.dev.java.net/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* https://jaxp.dev.java.net/CDDLv1.0.html
* If applicable add the following below this CDDL HEADER
* with the fields enclosed by brackets "[]" replaced with
* your own identifying information: Portions Copyright
* [year] [name of copyright owner]
*/
/*
* $Id: XMLEntityReader.java,v 1.3 2005/11/03 17:02:21 jeffsuttor Exp $
* @(#)StAXValidatorHelper.java 1.4 09/02/24
*
* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
*/
package com.sun.org.apache.xerces.internal.jaxp.validation;
import java.io.IOException;
import java.util.Locale;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stax.StAXResult;
import javax.xml.transform.stax.StAXSource;
import org.xml.sax.SAXException;
/**
* <p>A validator helper for <code>StAXSource</code>s.</p>
*
* @author <a href="mailto:Sunitha.Reddy@Sun.com">Sunitha Reddy</a>
*/
public final class StAXValidatorHelper implements ValidatorHelper {
/** Component manager. **/
private XMLSchemaValidatorComponentManager fComponentManager;
private Transformer identityTransformer1 = null;
private TransformerHandler identityTransformer2 = null;
private ValidatorHandlerImpl handler = null;
/** Creates a new instance of StaxValidatorHelper */
public StAXValidatorHelper(XMLSchemaValidatorComponentManager componentManager) {
fComponentManager = componentManager;
}
public void validate(Source source, Result result)
throws SAXException, IOException {
if (result == null || result instanceof StAXResult) {
if( identityTransformer1==null ) {
try {
SAXTransformerFactory tf = (SAXTransformerFactory)SAXTransformerFactory.newInstance();
identityTransformer1 = tf.newTransformer();
identityTransformer2 = tf.newTransformerHandler();
} catch (TransformerConfigurationException e) {
// this is impossible, but again better safe than sorry
throw new TransformerFactoryConfigurationError(e);
}
}
handler = new ValidatorHandlerImpl(fComponentManager);
if( result != null ) {
handler.setContentHandler(identityTransformer2);
identityTransformer2.setResult(result);
}
try {
identityTransformer1.transform( source, new SAXResult(handler) );
} catch (TransformerException e) {
if( e.getException() instanceof SAXException )
throw (SAXException)e.getException();
throw new SAXException(e);
} finally {
handler.setContentHandler(null);
}
return;
}
throw new IllegalArgumentException(JAXPValidationMessageFormatter.formatMessage(Locale.getDefault(),
"SourceResultMismatch",
new Object [] {source.getClass().getName(), result.getClass().getName()}));
}
}