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package com.sun.xml.ws.policy.parser;
import com.sun.xml.ws.api.model.wsdl.WSDLModel;
import com.sun.xml.ws.api.policy.PolicyResolverFactory;
import com.sun.xml.ws.api.server.Container;
import com.sun.xml.ws.api.server.SDDocumentSource;
import com.sun.xml.ws.api.wsdl.parser.WSDLParserExtension;
import com.sun.xml.ws.api.wsdl.parser.XMLEntityResolver;
import com.sun.xml.ws.api.wsdl.parser.XMLEntityResolver.Parser;
import com.sun.istack.logging.Logger;
import com.sun.xml.ws.policy.privateutil.PolicyUtils;
import com.sun.xml.ws.streaming.TidyXMLStreamReader;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import org.xml.sax.SAXException;
/**
* A collection of utility methods to load resources from the classpath.
*
* @author Fabian Ritzmann
*/
public class PolicyResourceLoader {
/**
* Parse the given URL and return the resulting WSDLModel.
*
* Note that this method uses the PolicyResolverFactory.DEFAULT_POLICY_RESOLVER
* instead of the PolicyResolver that is injected at runtime.
*
* @param resourceUrl URL for a valid WSDL document.
* @param isClient True if client-side parser, false otherwise.
* @return The WSDLModel that corresponds to the given WSDL document.
* @throws IOException If resourceUrl could not be opened.
* @throws XMLStreamException If document could not be read.
* @throws SAXException If document could not be parsed.
*/
public static WSDLModel getWsdlModel(URL resourceUrl, boolean isClient)
throws IOException, XMLStreamException, SAXException {
final SDDocumentSource doc = SDDocumentSource.create(resourceUrl);
final Parser parser = new Parser(doc);
final WSDLModel model = WSDLModel.WSDLParser.parse(parser,
new PolicyEntityResolver(),
isClient,
Container.NONE,
PolicyResolverFactory.DEFAULT_POLICY_RESOLVER,
new WSDLParserExtension[] {});
return model;
}
/**
* Assumes that a given XML entity holds a valid URL and returns an
* XMLEntityResolver.Parser for that URL. An XMLEntityResolver.Parser is
* essentially a wrapper around an XMLStreamReader.
*
* @author Jakub Podlesak (jakub.podlesak at sun.com)
* @author Fabian Ritzmann
*/
private static class PolicyEntityResolver implements XMLEntityResolver {
private static final Logger LOGGER = Logger.getLogger(PolicyEntityResolver.class);
private static final XMLInputFactory xmlInputFactory = XMLInputFactory.newInstance();
/**
* Assumes that a given XML entity holds a valid URL and returns an
* XMLEntityResolver.Parser for that URL.
*
* @param publicId The public ID of the entity. This parameter is ignored.
* @param systemId The system ID of the entity. Must be a valid URL.
* @return A parser (i.e. an XMLStreamReader) for the systemId URL.
* @throws XMLStreamException If the XMLStreamReader could not be created
* @throws IOException If the URL was invalid or a connection to the URL
* failed
* @see javax.xml.stream.XMLStreamReader
* @see com.sun.xml.ws.api.wsdl.parser.XMLEntityResolver.Parser
*/
public Parser resolveEntity(final String publicId, final String systemId)
throws XMLStreamException, IOException {
LOGGER.entering(publicId, systemId);
Parser parser = null;
try {
// TODO: think about using alg from http://www.w3.org/International/O-URL-code.html
final URL systemUrl = new URL(PolicyUtils.Rfc2396.unquote(systemId));
final InputStream input = systemUrl.openStream();
final XMLStreamReader reader = new TidyXMLStreamReader(xmlInputFactory.createXMLStreamReader(systemId, input), input);
parser = new Parser(systemUrl, reader);
return parser;
} finally {
LOGGER.exiting(parser);
}
}
}
}