package railo.transformer.library.tag;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
/**
* Hilfsklasse fuer die TagLibFactory, diese Klasse definiert den DTDHandler fuer den Sax Parser.
* Die Klasse laedt wenn moeglich die DTD, anhand der Public-id vom lokalen System.
*
* @see org.xml.sax.EntityResolver
*/
public final class TagLibEntityResolver implements EntityResolver {
/**
* Definert den DTD welche eine TLD validieren kann
*/
public final static String RAILO_DTD_1_0= "/resource/dtd/web-cfmtaglibrary_1_0.dtd";
public final static String SUN_DTD_1_0= "/resource/dtd/web-jsptaglibrary_1_0.dtd";
public final static String SUN_DTD_1_1= "/resource/dtd/web-jsptaglibrary_1_1.dtd";
public final static String SUN_DTD_1_2= "/resource/dtd/web-jsptaglibrary_1_2.dtd";
/**
* Laedt die DTD vom lokalen System.
* @see org.xml.sax.EntityResolver#resolveEntity(java.lang.String, java.lang.String)
*/
public InputSource resolveEntity(String publicId, String systemId) {
if ( publicId.equals( "-//Railo//DTD CFML Tag Library 1.0//EN" ) ) {
return new InputSource( getClass().getResourceAsStream(RAILO_DTD_1_0) );
}
else if ( publicId.equals( "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN" ) ) {
return new InputSource( getClass().getResourceAsStream(SUN_DTD_1_1) );
}
else if ( publicId.equals( "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN" ) ) {
return new InputSource( getClass().getResourceAsStream(SUN_DTD_1_2) );
}
return null;
// -//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN
// http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd
}
}