org.hibernate.internal.util.xml.XMLHelper Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hibernate-core Show documentation
Show all versions of hibernate-core Show documentation
Hibernate's core ORM functionality
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.internal.util.xml;
import java.security.AccessController;
import java.security.PrivilegedAction;
import org.dom4j.DocumentFactory;
import org.dom4j.io.SAXReader;
import org.xml.sax.EntityResolver;
/**
* Small helper class that lazy loads DOM and SAX reader and keep them for fast use afterwards.
*
* @deprecated Currently only used for integration with HCANN. The rest of Hibernate uses StAX now
* for XML processing. See {@link org.hibernate.boot.jaxb.internal.stax}
*/
@Deprecated
public final class XMLHelper {
private final DocumentFactory documentFactory;
public XMLHelper() {
PrivilegedAction action = new PrivilegedAction() {
public DocumentFactory run() {
final ClassLoader originalTccl = Thread.currentThread().getContextClassLoader();
try {
// We need to make sure we get DocumentFactory
// loaded from the same ClassLoader that loads
// Hibernate classes, to make sure we get the
// proper version of DocumentFactory, This class
// is "internal", and should only be used for XML
// files generated by Envers.
// Using the (Hibernate) ClassLoader that loads
// this Class will avoid collisions in the case
// that DocumentFactory can be loaded from,
// for example, the application ClassLoader.
Thread.currentThread().setContextClassLoader( this.getClass().getClassLoader() );
return DocumentFactory.getInstance();
}
finally {
Thread.currentThread().setContextClassLoader( originalTccl );
}
}
};
this.documentFactory = System.getSecurityManager() != null
? AccessController.doPrivileged( action )
: action.run();
}
public DocumentFactory getDocumentFactory() {
return documentFactory;
}
public SAXReader createSAXReader(ErrorLogger errorLogger, EntityResolver entityResolver) {
SAXReader saxReader = new SAXReader();
saxReader.setMergeAdjacentText( true );
saxReader.setValidation( true );
saxReader.setErrorHandler( errorLogger );
saxReader.setEntityResolver( entityResolver );
return saxReader;
}
}