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package org.glassfish.config.support;
import java.io.*;
import java.net.*;
import java.nio.charset.Charset;
import java.util.*;
import java.util.logging.*;
import javax.xml.stream.*;
/**
* Instances and DAS' are quite different
* @author Byron Nevins
*/
abstract class ServerReaderFilter extends XMLStreamReaderFilter {
ServerReaderFilter(URL theDomainXml,
XMLInputFactory theXif) throws XMLStreamException {
try {
domainXml = theDomainXml;
xif = theXif;
stream = domainXml.openStream();
setParent(xif.createXMLStreamReader(stream, Charset.defaultCharset().toString()));
}
catch(IOException e) {
throw new XMLStreamException(e);
}
}
@Override
final public void close() throws XMLStreamException {
try {
super.close();
stream.close();
}
catch (Exception e) {
throw new XMLStreamException(e);
}
}
/**
* Report on whether parsing was a success or not. If there is a missing config
* for a server just return a String message.
* @return a String error message if there was an error else return null for all-ok
*/
abstract String configWasFound();
final URL domainXml;
final XMLInputFactory xif;
final InputStream stream;
}