/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.tools.corba.processors.wsdl;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import javax.wsdl.Definition;
import javax.wsdl.Input;
import javax.wsdl.Message;
import javax.wsdl.Operation;
import javax.wsdl.Output;
import javax.wsdl.Part;
import javax.xml.namespace.QName;
import org.apache.cxf.binding.corba.wsdl.ArgType;
import org.apache.cxf.binding.corba.wsdl.CorbaTypeImpl;
import org.apache.cxf.binding.corba.wsdl.ModeType;
import org.apache.cxf.binding.corba.wsdl.ParamType;
import org.apache.cxf.common.xmlschema.SchemaCollection;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaAnnotation;
import org.apache.ws.commons.schema.XmlSchemaAnnotationItem;
import org.apache.ws.commons.schema.XmlSchemaAppInfo;
import org.apache.ws.commons.schema.XmlSchemaComplexType;
import org.apache.ws.commons.schema.XmlSchemaElement;
import org.apache.ws.commons.schema.XmlSchemaExternal;
import org.apache.ws.commons.schema.XmlSchemaImport;
import org.apache.ws.commons.schema.XmlSchemaObject;
import org.apache.ws.commons.schema.XmlSchemaSequence;
import org.apache.ws.commons.schema.XmlSchemaSequenceMember;
import org.apache.ws.commons.schema.XmlSchemaType;
public final class WSDLParameter {
static Definition definition;
public void processParameters(WSDLToCorbaBinding wsdlToCorbaBinding, Operation operation, Definition def,
SchemaCollection xmlSchemaList, List<ParamType> params,
List<ArgType> returns, boolean simpleOrdering) throws Exception {
definition = def;
List<ParamType> inputs = new ArrayList<ParamType>();
List<ParamType> outputs = new ArrayList<ParamType>();
List<ArgType> returnOutputs = new ArrayList<ArgType>();
boolean isWrapped = isWrappedOperation(operation, xmlSchemaList);
if (isWrapped) {
processWrappedInputParams(wsdlToCorbaBinding, operation, xmlSchemaList, inputs);
} else {
processInputParams(wsdlToCorbaBinding, operation, xmlSchemaList, inputs);
}
if (isWrapped) {
processWrappedOutputParams(wsdlToCorbaBinding, operation, xmlSchemaList, inputs, outputs);
} else {
processOutputParams(wsdlToCorbaBinding, operation, xmlSchemaList, inputs, outputs);
}
processReturnParams(outputs, returnOutputs);
orderParameters(inputs, outputs, true);
returns.addAll(returnOutputs);
params.addAll(inputs);
}
private void processWrappedInputParams(WSDLToCorbaBinding wsdlToCorbaBinding, Operation operation,
SchemaCollection xmlSchemaList, List<ParamType> inputs)
throws Exception {
Input input = operation.getInput();
if (input != null) {
Message msg = input.getMessage();
Part part = (Part)msg.getOrderedParts(null).iterator().next();
XmlSchemaComplexType schemaType = null;
XmlSchemaElement el = getElement(part, xmlSchemaList);
if ((el != null) && (el.getSchemaType() != null)) {
schemaType = (XmlSchemaComplexType)el.getSchemaType();
}
XmlSchemaSequence seq = (XmlSchemaSequence)schemaType.getParticle();
if (seq != null) {
for (XmlSchemaSequenceMember seqItem : seq.getItems()) {
if (seqItem instanceof XmlSchemaElement) {
el = (XmlSchemaElement)seqItem;
// REVISIT, handle element ref's?
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, el.getSchemaType(), typeName,
el.isNillable());
ParamType paramtype = createParam(wsdlToCorbaBinding, "in", el.getQName()
.getLocalPart(), idltype);
if (paramtype != null) {
inputs.add(paramtype);
}
}
}
}
}
}
private void processInputParams(WSDLToCorbaBinding wsdlToCorbaBinding, Operation operation,
SchemaCollection xmlSchemaList, List<ParamType> inputs) throws Exception {
Input input = operation.getInput();
if (input != null) {
Message msg = input.getMessage();
Iterator i = msg.getOrderedParts(null).iterator();
while (i.hasNext()) {
Part part = (Part)i.next();
XmlSchemaType schemaType = null;
boolean isObjectRef = isObjectReference(xmlSchemaList, part.getElementName());
if (part.getElementName() != null && !isObjectRef) {
XmlSchemaElement el = getElement(part, xmlSchemaList);
if ((el != null) && (el.getSchemaType() != null)) {
schemaType = el.getSchemaType();
}
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, el.isNillable());
ParamType paramtype = createParam(wsdlToCorbaBinding, "in", part.getName(), idltype);
if (paramtype != null) {
inputs.add(paramtype);
}
} else if (part.getTypeName() != null) {
schemaType = getType(part, xmlSchemaList);
QName typeName = part.getTypeName();
if (isObjectRef) {
typeName = part.getElementName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, false);
ParamType paramtype = createParam(wsdlToCorbaBinding, "in", part.getName(), idltype);
if (paramtype != null) {
inputs.add(paramtype);
}
}
}
}
}
private void processWrappedOutputParams(WSDLToCorbaBinding wsdlToCorbaBinding, Operation operation,
SchemaCollection xmlSchemaList, List<ParamType> inputs,
List<ParamType> outputs) throws Exception {
Output output = operation.getOutput();
if (output != null) {
Message msg = output.getMessage();
Part part = (Part)msg.getOrderedParts(null).iterator().next();
XmlSchemaComplexType schemaType = null;
XmlSchemaElement el = getElement(part, xmlSchemaList);
if (el != null && el.getSchemaType() != null) {
schemaType = (XmlSchemaComplexType)el.getSchemaType();
}
XmlSchemaSequence seq = (XmlSchemaSequence)schemaType.getParticle();
if (seq != null) {
for (XmlSchemaSequenceMember seqMember : seq.getItems()) {
if (seqMember instanceof XmlSchemaElement) {
el = (XmlSchemaElement)seqMember;
processWrappedOutputParam(wsdlToCorbaBinding, el, inputs, outputs);
}
}
}
}
}
private void processWrappedOutputParam(WSDLToCorbaBinding wsdlToCorbaBinding, XmlSchemaElement el,
List<ParamType> inputs, List<ParamType> outputs) throws Exception {
ParamType paramtype = null;
for (int i = 0; i < inputs.size(); i++) {
if (inputs.get(i).getName().equals(el.getQName().getLocalPart())) {
inputs.remove(i);
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, el.getSchemaType(), typeName, el.isNillable());
paramtype = createParam(wsdlToCorbaBinding, "inout", el.getQName().getLocalPart(), idltype);
if (paramtype != null) {
inputs.add(paramtype);
}
}
}
if (paramtype == null) {
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, el.getSchemaType(), typeName, el.isNillable());
paramtype = createParam(wsdlToCorbaBinding, "out", el.getQName().getLocalPart(), idltype);
if (paramtype != null) {
outputs.add(paramtype);
}
}
}
private void processOutputParams(WSDLToCorbaBinding wsdlToCorbaBinding, Operation operation,
SchemaCollection xmlSchemaList, List<ParamType> inputs,
List<ParamType> outputs) throws Exception {
Output output = operation.getOutput();
if (output != null) {
Message msg = output.getMessage();
Iterator i = msg.getOrderedParts(null).iterator();
while (i.hasNext()) {
Part part = (Part)i.next();
XmlSchemaType schemaType = null;
// check if in input list
String mode = "out";
ParamType paramtype = null;
boolean isObjectRef = isObjectReference(xmlSchemaList, part.getElementName());
for (int x = 0; x < inputs.size(); x++) {
paramtype = null;
ParamType d2 = (ParamType)inputs.get(x);
if (part.getElementName() != null && !isObjectRef) {
XmlSchemaElement el = getElement(part, xmlSchemaList);
if (el != null && el.getSchemaType() != null) {
schemaType = el.getSchemaType();
}
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, el.isNillable());
if ((d2.getName().equals(part.getName())) && (d2.getIdltype().equals(idltype))) {
inputs.remove(x);
paramtype = createParam(wsdlToCorbaBinding, "inout", part.getName(), idltype);
inputs.add(paramtype);
}
} else {
schemaType = getType(part, xmlSchemaList);
QName typeName = part.getTypeName();
if (isObjectRef) {
typeName = part.getElementName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, false);
if ((d2.getName().equals(part.getName())) && (d2.getIdltype().equals(idltype))) {
inputs.remove(x);
paramtype = createParam(wsdlToCorbaBinding, "inout", part.getName(), idltype);
inputs.add(paramtype);
}
}
}
if (paramtype == null) {
if (part.getElementName() != null && !isObjectRef) {
XmlSchemaElement el = getElement(part, xmlSchemaList);
QName typeName = el.getSchemaTypeName();
if (typeName == null) {
typeName = el.getQName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, el.isNillable());
paramtype = createParam(wsdlToCorbaBinding, mode, part.getName(), idltype);
} else {
QName typeName = part.getTypeName();
if (isObjectRef) {
typeName = part.getElementName();
}
QName idltype = getIdlType(wsdlToCorbaBinding, schemaType, typeName, false);
paramtype = createParam(wsdlToCorbaBinding, mode, part.getName(), idltype);
}
if (paramtype != null) {
outputs.add(paramtype);
}
}
}
}
}
private void processReturnParams(List<ParamType> outputs, List<ArgType> returns) {
if (outputs.size() > 0) {
ParamType d2 = (ParamType)outputs.get(0);
if (d2.getMode().value().equals("out")) {
ArgType argType = new ArgType();
argType.setName(d2.getName());
argType.setIdltype(d2.getIdltype());
returns.add(argType);
outputs.remove(0);
}
}
}
private void orderParameters(List<ParamType> inputs, List<ParamType> outputs, boolean simpleOrdering) {
ListIterator<ParamType> inputit = inputs.listIterator();
while (inputit.hasNext()) {
ParamType d2 = (ParamType)inputit.next();
if (d2.getMode().value().equals("inout")) {
ListIterator it = outputs.listIterator();
while (it.hasNext()) {
ParamType d3 = (ParamType)it.next();
if (!d3.getName().equals(d2.getName()) && (!simpleOrdering)
&& (!d3.getMode().value().equals("inout"))) {
// the in/outs are in a different order in the
// output than the input
// we'll try and use the input oder for the INOUT's,
// but also try and
// maintain some sort of ordering for the OUT's
it.remove();
inputit.previous();
inputit.add(d3);
inputit.next();
}
}
}
}
for (ParamType d3 : outputs) {
inputs.add(d3);
}
}
private static XmlSchemaType getType(Part part, SchemaCollection xmlSchemaList) throws Exception {
XmlSchemaType schemaType = null;
for (XmlSchema xmlSchema : xmlSchemaList.getXmlSchemas()) {
if (part.getTypeName() != null) {
schemaType = findSchemaType(xmlSchema, part.getTypeName());
if (schemaType != null) {
return schemaType;
}
}
}
return schemaType;
}
// This willl search the current schemas and any included
// schemas for the schema type.
private static XmlSchemaType findSchemaType(XmlSchema xmlSchema, QName typeName) {
XmlSchemaType schemaType = xmlSchema.getTypeByName(typeName);
// Endpoint reference types will give a null schemaType
// here, so we need to
// go through the list of imports to find the definition for
// an Endpoint
// reference type.
if (schemaType == null) {
for (XmlSchemaExternal ext : xmlSchema.getExternals()) {
if (ext instanceof XmlSchemaImport) {
XmlSchemaImport xmlImport = (XmlSchemaImport)ext;
if (xmlImport.getNamespace().equals(typeName.getNamespaceURI())) {
XmlSchema importSchema = xmlImport.getSchema();
schemaType = importSchema.getTypeByName(typeName);
} else {
schemaType = findSchemaType(ext.getSchema(), typeName);
if (schemaType != null) {
return schemaType;
}
}
}
}
if (schemaType != null) {
return schemaType;
}
}
return schemaType;
}
private static XmlSchemaElement getElement(Part part, SchemaCollection xmlSchemaList) throws Exception {
XmlSchemaElement schemaElement = null;
for (XmlSchema xmlSchema : xmlSchemaList.getXmlSchemas()) {
if (part.getElementName() != null) {
schemaElement = findElement(xmlSchema, part.getElementName());
if (schemaElement != null) {
return schemaElement;
}
}
}
return schemaElement;
}
// Will check if the schema includes other schemas.
private static XmlSchemaElement findElement(XmlSchema xmlSchema, QName elName) {
XmlSchemaElement schemaElement = null;
schemaElement = xmlSchema.getElementByName(elName);
if (schemaElement == null) {
String prefix = definition.getPrefix(elName.getNamespaceURI());
QName name = new QName(elName.getNamespaceURI(), prefix + ":" + elName.getLocalPart(), prefix);
schemaElement = xmlSchema.getElementByName(name);
}
if (schemaElement != null) {
return schemaElement;
} else {
for (XmlSchemaExternal ext : xmlSchema.getExternals()) {
if (!(ext instanceof XmlSchemaImport)) {
schemaElement = findElement(ext.getSchema(), elName);
if (schemaElement != null) {
return schemaElement;
}
}
}
}
return schemaElement;
}
private static QName getIdlType(WSDLToCorbaBinding wsdlToCorbaBinding, XmlSchemaType schemaType,
QName typeName, boolean nill) throws Exception {
QName idltype = null;
CorbaTypeImpl corbaTypeImpl = null;
if (schemaType == null) {
corbaTypeImpl = (CorbaTypeImpl)WSDLToCorbaHelper.CORBAPRIMITIVEMAP.get(typeName);
if (nill) {
QName qname = corbaTypeImpl.getQName();
idltype = wsdlToCorbaBinding.getHelper().createQNameCorbaNamespace(qname.getLocalPart()
+ "_nil");
} else {
if (corbaTypeImpl == null) {
XmlSchemaObject schemaObj = getSchemaObject(wsdlToCorbaBinding, typeName);
XmlSchemaAnnotation annotation = null;
if (schemaObj instanceof XmlSchemaType) {
schemaType = (XmlSchemaType)schemaObj;
} else if (schemaObj instanceof XmlSchemaElement) {
XmlSchemaElement el = (XmlSchemaElement)schemaObj;
schemaType = el.getSchemaType();
annotation = ((XmlSchemaElement)schemaObj).getAnnotation();
}
idltype = getSchemaTypeName(wsdlToCorbaBinding, schemaType, annotation, typeName, nill);
} else {
idltype = corbaTypeImpl.getQName();
}
}
} else {
// We need to get annotation information for the schema type we are
// about to pass in.
// This is used to produce the correct object reference type.
XmlSchemaObject schemaObj = getSchemaObject(wsdlToCorbaBinding, typeName);
XmlSchemaAnnotation annotation = null;
if (schemaObj instanceof XmlSchemaElement) {
annotation = ((XmlSchemaElement)schemaObj).getAnnotation();
}
idltype = getSchemaTypeName(wsdlToCorbaBinding, schemaType, annotation, typeName, nill);
}
return idltype;
}
private static XmlSchemaElement getSchemaObject(WSDLToCorbaBinding wsdlToCorbaBinding, QName typeName) {
SchemaCollection schemaList = wsdlToCorbaBinding.getHelper().getXMLSchemaList();
for (XmlSchema s : schemaList.getXmlSchemas()) {
XmlSchemaElement e = s.getElementByName(typeName);
if (e != null) {
return e;
}
}
return null;
}
private static QName getSchemaTypeName(WSDLToCorbaBinding wsdlToCorbaBinding, XmlSchemaType schemaType,
XmlSchemaAnnotation annotation, QName typeName, boolean nill)
throws Exception {
QName idltype = null;
CorbaTypeImpl corbaTypeImpl = null;
corbaTypeImpl = wsdlToCorbaBinding.getHelper().convertSchemaToCorbaType(schemaType, typeName, null,
annotation, false);
if (corbaTypeImpl == null) {
throw new Exception("Couldn't convert schema type to corba type : " + typeName);
} else {
if (nill) {
QName qname = corbaTypeImpl.getQName();
idltype = wsdlToCorbaBinding.getHelper().createQNameCorbaNamespace(qname.getLocalPart()
+ "_nil");
} else {
idltype = corbaTypeImpl.getQName();
}
}
return idltype;
}
private static ParamType createParam(WSDLToCorbaBinding wsdlToCorbaBinding, String mode, String name,
QName idltype) throws Exception {
ParamType paramtype = new ParamType();
ModeType modeType = ModeType.fromValue(mode);
paramtype.setName(name);
paramtype.setMode(modeType);
paramtype.setIdltype(idltype);
return paramtype;
}
private boolean isWrappedOperation(Operation op, SchemaCollection xmlSchemaList) throws Exception {
Message inputMessage = op.getInput().getMessage();
Message outputMessage = null;
if (op.getOutput() != null) {
outputMessage = op.getOutput().getMessage();
}
boolean passedRule = true;
// RULE No.1:
// The operation's input and output message (if present) each contain
// only a single part
// input message must exist
if (inputMessage == null || inputMessage.getParts().size() != 1
|| (outputMessage != null && outputMessage.getParts().size() > 1)) {
passedRule = false;
}
if (!passedRule) {
return false;
}
XmlSchemaElement inputEl = null;
XmlSchemaElement outputEl = null;
// RULE No.2:
// The input message part refers to a global element decalration whose
// localname
// is equal to the operation name
Part inputPart = (Part)inputMessage.getParts().values().iterator().next();
if (inputPart.getElementName() == null) {
passedRule = false;
} else {
QName inputElementName = inputPart.getElementName();
inputEl = getElement(inputPart, xmlSchemaList);
if (inputEl == null || !op.getName().equals(inputElementName.getLocalPart())) {
passedRule = false;
}
}
if (!passedRule) {
return false;
}
// RULE No.3:
// The output message part refers to a global element declaration
Part outputPart = null;
if (outputMessage != null && outputMessage.getParts().size() == 1) {
outputPart = (Part)outputMessage.getParts().values().iterator().next();
if (outputPart != null) {
if ((outputPart.getElementName() == null) || getElement(outputPart, xmlSchemaList) == null) {
passedRule = false;
} else {
outputEl = getElement(outputPart, xmlSchemaList);
}
}
}
if (!passedRule) {
return false;
}
// RULE No.4 and No5:
// wrapper element should be pure complex type
// Now lets see if we have any attributes...
// This should probably look at the restricted and substitute types too.
XmlSchemaComplexType xsct = null;
if (inputEl.getSchemaType() instanceof XmlSchemaComplexType) {
xsct = (XmlSchemaComplexType)inputEl.getSchemaType();
if (hasAttributes(xsct) || !isWrappableSequence(xsct)) {
passedRule = false;
}
} else {
passedRule = false;
}
if (!passedRule) {
return false;
}
if (outputMessage != null) {
if (outputEl != null && outputEl.getSchemaType() instanceof XmlSchemaComplexType) {
xsct = (XmlSchemaComplexType)outputEl.getSchemaType();
if (hasAttributes(xsct) || !isWrappableSequence(xsct)) {
passedRule = false;
}
} else {
passedRule = false;
}
}
return passedRule;
}
private boolean hasAttributes(XmlSchemaComplexType complexType) {
// Now lets see if we have any attributes...
// This should probably look at the restricted and substitute types too.
if (complexType.getAnyAttribute() != null || complexType.getAttributes().size() > 0) {
return true;
}
return false;
}
private boolean isWrappableSequence(XmlSchemaComplexType type) {
if (type.getParticle() instanceof XmlSchemaSequence) {
XmlSchemaSequence seq = (XmlSchemaSequence)type.getParticle();
List<XmlSchemaSequenceMember> items = seq.getItems();
for (XmlSchemaSequenceMember member : items) {
if (!(member instanceof XmlSchemaElement)) {
return false;
}
}
return true;
} else if (type.getParticle() == null) {
return true;
}
return false;
}
private boolean isObjectReference(SchemaCollection schemaList, QName name) {
for (XmlSchema schema : schemaList.getXmlSchemas()) {
XmlSchemaElement element = schema.getElementByName(name);
if (element != null) {
XmlSchemaAnnotation annotation = element.getAnnotation();
if (annotation != null) {
List<XmlSchemaAnnotationItem> annotationColl = annotation.getItems();
for (XmlSchemaAnnotationItem item : annotationColl) {
if (item instanceof XmlSchemaAppInfo) {
return true;
}
}
}
}
}
return false;
}
}