/*
* (c) Copyright IBM Corp 2004, 2005
*/
package com.ibm.wsdl.extensions.schema;
import java.io.Serializable;
import java.util.Hashtable;
import java.util.Map;
import javax.wsdl.Definition;
import javax.wsdl.WSDLException;
import javax.wsdl.extensions.ExtensibilityElement;
import javax.wsdl.extensions.ExtensionDeserializer;
import javax.wsdl.extensions.ExtensionRegistry;
import javax.wsdl.extensions.schema.Schema;
import javax.wsdl.extensions.schema.SchemaImport;
import javax.wsdl.extensions.schema.SchemaReference;
import javax.wsdl.xml.WSDLLocator;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import com.ibm.wsdl.Constants;
import com.ibm.wsdl.extensions.schema.SchemaConstants;
import com.ibm.wsdl.util.xml.DOMUtils;
import com.ibm.wsdl.util.xml.QNameUtils;
/**
* This class is used to deserialize <code><schema></code> elements into
* Schema instances.
*
* @see SchemaImpl
* @see SchemaSerializer
*
* @author Jeremy Hughes <hughesj@uk.ibm.com>
*/
public class SchemaDeserializer implements ExtensionDeserializer, Serializable
{
// Need to set this since a Definition is serializable and it contains an
// extension registry which contains one of these
public static final long serialVersionUID = 1;
private final Map allReferencedSchemas = new Hashtable();
private static ThreadLocal wsdlLocator = new ThreadLocal();
/**
* Set the WSDLLocator to be used by the deserializer on this thread.
*
* @param loc The WSDLLocator to be used.
*
* @see WSDLLocator
*/
public static void setLocator(WSDLLocator loc)
{
wsdlLocator.set(loc);
}
public ExtensibilityElement unmarshall(Class parentType,
QName elementType,
Element el,
Definition def,
ExtensionRegistry extReg)
throws WSDLException
{
Schema schema = (Schema) extReg.createExtension(
parentType, elementType);
schema.setElementType(elementType);
schema.setElement(el);
schema.setDocumentBaseURI(def.getDocumentBaseURI());
//TODO: check if the 'required' attribute needs to be set
// Go through the schema Element looking for child schemas
Element tempEl = DOMUtils.getFirstChildElement(el);
for (; tempEl != null; tempEl = DOMUtils.getNextSiblingElement(tempEl))
{
QName tempElType = QNameUtils.newQName(tempEl);
// Create the appropriate SchemaReference subclass to represent
// an <import>, an <include> or a <redefine>
SchemaReference sr = null;
String locationURI = null;
if (SchemaConstants.XSD_IMPORT_QNAME_LIST.contains(tempElType))
{
// Create a new import. Don't use the
// ExtensionRegistry.createExtension()
// method as a Schema import is not a WSDL import.
SchemaImport im = schema.createImport();
im.setId(DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_ID));
im.setNamespaceURI(DOMUtils.getAttribute(tempEl, Constants.ATTR_NAMESPACE));
locationURI = DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION);
im.setSchemaLocationURI(locationURI);
// Now the import is set up except for the point to the
// referenced LWS, add the import to the LightWeightSchema.
schema.addImport(im);
}
else
if (SchemaConstants.XSD_INCLUDE_QNAME_LIST.contains(tempElType))
{
// Create a new include. Don't use the
// ExtensionRegistry.createExtension()
// method as a Schema include is not a WSDL import.
sr = schema.createInclude();
sr.setId(DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_ID));
locationURI = DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION);
sr.setSchemaLocationURI(locationURI);
// Now the include is set up except for the pointer to the
// referenced LWS, add the include to the LightWeightSchema.
schema.addInclude(sr);
}
else
if (SchemaConstants.XSD_REDEFINE_QNAME_LIST.contains(tempElType))
{
// Create a new redefine. Don't use the
// ExtensionRegistry.createExtension() method as a Schema redefine
// is not a WSDL import.
sr = schema.createRedefine();
sr.setId(DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_ID));
locationURI = DOMUtils.getAttribute(tempEl, SchemaConstants.ATTR_SCHEMA_LOCATION);
sr.setSchemaLocationURI(locationURI);
// Now the redefine is set up except for the pointer to the
// referenced LWS, add the redefine to the LightWeightSchema.
schema.addRedefine(sr);
}
else
{
// The element isn't one we're interested in so look at the next
// one
continue;
}
} //end for
return schema;
}
}