org.apache.axis.wsdl.symbolTable.SchemaUtils Maven / Gradle / Ivy
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/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.axis.wsdl.symbolTable;
import org.apache.axis.Constants;
import org.apache.axis.i18n.Messages;
import org.apache.axis.utils.JavaUtils;
import org.w3c.dom.DOMException;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.namespace.QName;
import javax.xml.rpc.holders.BooleanHolder;
import javax.xml.rpc.holders.IntHolder;
import javax.xml.rpc.holders.QNameHolder;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Vector;
import java.io.IOException;
/**
* This class contains static utility methods specifically for schema type queries.
*
* @author Rich Scheuerle ([email protected])
*/
public class SchemaUtils {
/** Field VALUE_QNAME */
static final QName VALUE_QNAME = Utils.findQName("", "_value");
/**
* This method checks mixed=true attribute is set either on
* complexType or complexContent element.
*/
public static boolean isMixed(Node node) {
// Expecting a schema complexType
if (isXSDNode(node, "complexType")) {
String mixed = ((Element)node).getAttribute("mixed");
if (mixed != null && mixed.length() > 0) {
return ("true".equalsIgnoreCase(mixed) ||
"1".equals(mixed));
}
// Under the complexType there could be complexContent with
// mixed="true"
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")) {
mixed = ((Element)kid).getAttribute("mixed");
return ("true".equalsIgnoreCase(mixed) ||
"1".equals(mixed));
}
}
}
return false;
}
public static Node getUnionNode(Node node) {
// Expecting a schema complexType
if (isXSDNode(node, "simpleType")) {
// Under the simpleType there could be union
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "union")) {
return kid;
}
}
}
return null;
}
public static Node getListNode(Node node) {
// Expecting a schema simpleType
if (isXSDNode(node, "simpleType")) {
// Under the simpleType there could be list
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "list")) {
return kid;
}
}
}
return null;
}
public static boolean isSimpleTypeWithUnion(Node node) {
return (getUnionNode(node) != null);
}
/**
* This method checks out if the given node satisfies the 3rd condition
* of the "wrapper" style:
* such an element (a wrapper) must be of a complex type defined using the
* xsd:sequence compositor and containing only elements declarations.
* (excerpt from JAX-RPC spec 1.1 Maintenanace Review 2 Chapter 6 Section 4.1.)
*
* @param node
* @return
*/
public static boolean isWrappedType(Node node) {
if (node == null) {
return false;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
boolean hasComplexType = false;
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")) {
node = kid;
hasComplexType = true;
break;
}
}
if (!hasComplexType) {
return false;
}
}
// Expecting a schema complexType
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be complexContent/simpleContent
// and extension elements if this is a derived type.
// A wrapper element must be complex-typed.
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")) {
return false;
} else if (isXSDNode(kid, "simpleContent")) {
return false;
}
}
// Under the complexType there may be choice, sequence, group and/or all nodes.
// (There may be other #text nodes, which we will ignore).
// The complex type of a wrapper element must have only sequence
// and again element declarations in the sequence.
children = node.getChildNodes();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("sequence")) {
Node sequenceNode = kid;
NodeList sequenceChildren = sequenceNode.getChildNodes();
int sequenceLen = sequenceChildren.getLength();
for (int k = 0; k < sequenceLen; k++) {
Node sequenceKid = sequenceChildren.item(k);
String sequenceLocalName = sequenceKid.getLocalName();
if (sequenceLocalName != null &&
Constants.isSchemaXSD(sequenceKid.getNamespaceURI())) {
// allow choice with element children
if (sequenceLocalName.equals("choice")) {
Node choiceNode = sequenceKid;
NodeList choiceChildren = choiceNode.getChildNodes();
int choiceLen = choiceChildren.getLength();
for (int l = 0; l < choiceLen; l++) {
Node choiceKid = choiceChildren.item(l);
String choiceLocalName = choiceKid.getLocalName();
if (choiceLocalName != null &&
Constants.isSchemaXSD(choiceKid.getNamespaceURI())) {
if (!choiceLocalName.equals("element")) {
return false;
}
}
}
}
else
if (!sequenceLocalName.equals("element")) {
return false;
}
}
}
return true;
} else {
return false;
}
}
}
}
// allows void type
return true;
}
/**
* If the specified node represents a supported JAX-RPC complexType or
* simpleType, a Vector is returned which contains ElementDecls for the
* child element names.
* If the element is a simpleType, an ElementDecls is built representing
* the restricted type with the special name "value".
* If the element is a complexType which has simpleContent, an ElementDecl
* is built representing the extended type with the special name "value".
* This method does not return attribute names and types
* (use the getContainedAttributeTypes)
* If the specified node is not a supported
* JAX-RPC complexType/simpleType/element null is returned.
*
* @param node
* @param symbolTable
* @return
*/
public static Vector getContainedElementDeclarations(Node node,
SymbolTable symbolTable) {
if (node == null) {
return null;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")) {
node = kid;
break;
}
}
}
// Expecting a schema complexType or simpleType
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be complexContent/simpleContent
// and extension elements if this is a derived type. Skip over these.
NodeList children = node.getChildNodes();
Node complexContent = null;
Node simpleContent = null;
Node extension = null;
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")) {
complexContent = kid;
break; // REMIND: should this be here or on either branch?
} else if (isXSDNode(kid, "simpleContent")) {
simpleContent = kid;
}
}
if (complexContent != null) {
children = complexContent.getChildNodes();
for (int j = 0;
(j < children.getLength()) && (extension == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "extension")
|| isXSDNode(kid, "restriction")) {
extension = kid;
}
}
}
if (simpleContent != null) {
children = simpleContent.getChildNodes();
int len = children.getLength();
for (int j = 0;
(j < len) && (extension == null);
j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if ((localName != null)
&& (localName.equals("extension") || localName.equals("restriction"))
&& Constants.isSchemaXSD(kid.getNamespaceURI())) {
// get the type of the extension/restriction from the "base" attribute
QName extendsOrRestrictsTypeName =
Utils.getTypeQName(children.item(j),
new BooleanHolder(), false);
TypeEntry extendsOrRestrictsType =
symbolTable.getTypeEntry(extendsOrRestrictsTypeName,
false);
// If this type extends a simple type, then add the
// special "value" ElementDecl, else this type is
// extending another simpleContent type and will
// already have a "value".
if (extendsOrRestrictsType == null ||
extendsOrRestrictsType.isBaseType())
{
// Return an element declaration with a fixed name
// ("value") and the correct type.
Vector v = new Vector();
ElementDecl elem =
new ElementDecl(extendsOrRestrictsType,
VALUE_QNAME);
v.add(elem);
return v;
}
else
{
// There can't be any other elements in a
// simpleContent node.
return null;
}
}
}
}
if (extension != null) {
node = extension; // Skip over complexContent and extension
}
// Under the complexType there may be choice, sequence, group and/or all nodes.
// (There may be other #text nodes, which we will ignore).
children = node.getChildNodes();
Vector v = new Vector();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("sequence")) {
v.addAll(processSequenceNode(kid, symbolTable));
} else if (localName.equals("all")) {
v.addAll(processAllNode(kid, symbolTable));
} else if (localName.equals("choice")) {
v.addAll(processChoiceNode(kid, symbolTable));
} else if (localName.equals("group")) {
v.addAll(processGroupNode(kid, symbolTable));
}
}
}
return v;
} else if (isXSDNode(node, "group")) {
/*
* Does this else clause make any sense anymore if
* we're treating refs to xs:groups like a macro inclusion
* into the referencing type?
* Maybe this else clause should never be possible?
*
NodeList children = node.getChildNodes();
Vector v = new Vector();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("sequence")) {
v.addAll(processSequenceNode(kid, symbolTable));
} else if (localName.equals("all")) {
v.addAll(processAllNode(kid, symbolTable));
} else if (localName.equals("choice")) {
v.addAll(processChoiceNode(kid, symbolTable));
}
}
}
return v;
*/
return null;
} else {
// This may be a simpleType, return the type with the name "value"
QName[] simpleQName = getContainedSimpleTypes(node);
if (simpleQName != null) {
Vector v = null;
for (int i = 0; i < simpleQName.length; i++) {
Type simpleType = symbolTable.getType(simpleQName[i]);
if (simpleType != null) {
if (v == null) {
v = new Vector();
}
QName qname = null;
if (simpleQName.length > 1) {
qname = new QName("", simpleQName[i].getLocalPart() + "Value");
} else {
qname = new QName("", "value");
}
v.add(new ElementDecl(simpleType, qname));
}
}
return v;
}
}
return null;
}
/**
* Invoked by getContainedElementDeclarations to get the child element types
* and child element names underneath a Choice Node
*
* @param choiceNode
* @param symbolTable
* @return
*/
private static Vector processChoiceNode(Node choiceNode,
SymbolTable symbolTable) {
Vector v = new Vector();
NodeList children = choiceNode.getChildNodes();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("choice")) {
v.addAll(processChoiceNode(kid, symbolTable));
} else if (localName.equals("sequence")) {
v.addAll(processSequenceNode(kid, symbolTable));
} else if (localName.equals("group")) {
v.addAll(processGroupNode(kid, symbolTable));
} else if (localName.equals("element")) {
ElementDecl elem = processChildElementNode(kid,
symbolTable);
if (elem != null) {
// XXX: forces minOccurs="0" so that a null choice
// element can be serialized ok.
elem.setMinOccursIs0(true);
v.add(elem);
}
} else if (localName.equals("any")) {
// Represent this as an element named any of type any type.
// This will cause it to be serialized with the element
// serializer.
Type type = symbolTable.getType(Constants.XSD_ANY);
ElementDecl elem = new ElementDecl(type,
Utils.findQName("",
"any"));
elem.setAnyElement(true);
v.add(elem);
}
}
}
return v;
}
/**
* Returns named child node.
*
* @param parentNode Parent node.
* @param name Element name of child node to return.
*/
private static Node getChildByName(Node parentNode, String name) throws DOMException {
if (parentNode == null) return null;
NodeList children = parentNode.getChildNodes();
if (children != null) {
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child != null) {
if ((child.getNodeName() != null && (name.equals(child.getNodeName()))) ||
(child.getLocalName() != null && (name.equals(child.getLocalName())))) {
return child;
}
}
}
}
return null;
}
/**
* Returns all textual nodes of a subnode defined by a parent node
* and a path of element names to that subnode.
*
* @param root Parent node.
* @param path Path of element names to text of interest, delimited by "/".
*/
public static String getTextByPath(Node root, String path) throws DOMException {
StringTokenizer st = new StringTokenizer(path, "/");
Node node = root;
while (st.hasMoreTokens()) {
String elementName = st.nextToken();
Node child = getChildByName(node, elementName);
if (child == null)
throw new DOMException(DOMException.NOT_FOUND_ERR, "could not find " + elementName);
node = child;
}
// should have found the node
String text = "";
NodeList children = node.getChildNodes();
if (children != null) {
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child != null) {
if (child.getNodeName() != null
&& (child.getNodeName().equals("#text")
|| child.getNodeName().equals("#cdata-section"))) {
text += child.getNodeValue();
}
}
}
}
return text;
}
/**
* Returns the complete text of the child xsd:annotation/xsd:documentation
* element from the provided node. Only the first annotation element and
* the first documentation element in the annotation element will be used.
*
* @param typeNode Parent node.
*/
public static String getAnnotationDocumentation(Node typeNode) {
Node annotationNode = typeNode.getFirstChild();
while (annotationNode != null) {
if (isXSDNode(annotationNode, "annotation")) {
break;
}
annotationNode = annotationNode.getNextSibling();
}
Node documentationNode;
if (annotationNode != null) {
documentationNode = annotationNode.getFirstChild();
while (documentationNode != null) {
if (isXSDNode(documentationNode, "documentation")) {
break;
}
documentationNode = documentationNode.getNextSibling();
}
} else {
documentationNode = null;
}
// should have found the node if it exists
String text = "";
if (documentationNode != null) {
NodeList children = documentationNode.getChildNodes();
if (children != null) {
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child != null) {
if (child.getNodeName() != null
&& (child.getNodeName().equals("#text")
|| child.getNodeName().equals("#cdata-section"))) {
text += child.getNodeValue();
}
}
}
}
}
return text;
}
/**
* Invoked by getContainedElementDeclarations to get the child element types
* and child element names underneath a Sequence Node
*
* @param sequenceNode
* @param symbolTable
* @return
*/
private static Vector processSequenceNode(Node sequenceNode,
SymbolTable symbolTable) {
Vector v = new Vector();
NodeList children = sequenceNode.getChildNodes();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("choice")) {
v.addAll(processChoiceNode(kid, symbolTable));
} else if (localName.equals("sequence")) {
v.addAll(processSequenceNode(kid, symbolTable));
} else if (localName.equals("group")) {
v.addAll(processGroupNode(kid, symbolTable));
} else if (localName.equals("any")) {
// Represent this as an element named any of type any type.
// This will cause it to be serialized with the element
// serializer.
Type type = symbolTable.getType(Constants.XSD_ANY);
ElementDecl elem = new ElementDecl(type,
Utils.findQName("",
"any"));
elem.setAnyElement(true);
v.add(elem);
} else if (localName.equals("element")) {
ElementDecl elem = processChildElementNode(kid,
symbolTable);
if (elem != null) {
v.add(elem);
}
}
}
}
return v;
}
/**
* Invoked by getContainedElementDeclarations to get the child element types
* and child element names underneath a group node. If a ref attribute is
* specified, only the referenced group element is returned.
*
* @param groupNode
* @param symbolTable
* @return
*/
private static Vector processGroupNode(Node groupNode,
SymbolTable symbolTable) {
Vector v = new Vector();
if (groupNode.getAttributes().getNamedItem("ref") == null) {
NodeList children = groupNode.getChildNodes();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
String localName = kid.getLocalName();
if (localName != null &&
Constants.isSchemaXSD(kid.getNamespaceURI())) {
if (localName.equals("choice")) {
v.addAll(processChoiceNode(kid, symbolTable));
} else if (localName.equals("sequence")) {
v.addAll(processSequenceNode(kid, symbolTable));
} else if (localName.equals("all")) {
v.addAll(processAllNode(kid, symbolTable));
}
}
}
} else {
QName nodeName = Utils.getNodeNameQName(groupNode);
QName nodeType = Utils.getTypeQName(groupNode, new BooleanHolder(), false);
// The value of the second argument is 'false' since global model group
// definitions are always represented by objects whose type is
// assignment compatible with 'org.apache.axis.wsdl.symbolTable.Type'.
Type type = (Type) symbolTable.getTypeEntry(nodeType, false);
if (type != null && type.getNode() != null) {
//v.add(new ElementDecl(type, nodeName));
Node node = type.getNode();
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
QName subNodeKind = Utils.getNodeQName(children.item(j));
if ((subNodeKind != null)
&& Constants.isSchemaXSD(
subNodeKind.getNamespaceURI())) {
if (subNodeKind.getLocalPart().equals("sequence")) {
v.addAll(processSequenceNode(children.item(j),
symbolTable));
} else if (subNodeKind.getLocalPart().equals("all")) {
v.addAll(processAllNode(children.item(j), symbolTable));
} else if (subNodeKind.getLocalPart().equals("choice")) {
v.addAll(processChoiceNode(children.item(j),
symbolTable));
}
}
}
}
}
return v;
}
/**
* Invoked by getContainedElementDeclarations to get the child element types
* and child element names underneath an all node.
*
* @param allNode
* @param symbolTable
* @return
*/
private static Vector processAllNode(Node allNode,
SymbolTable symbolTable) {
Vector v = new Vector();
NodeList children = allNode.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "element")) {
ElementDecl elem = processChildElementNode(kid, symbolTable);
if (elem != null) {
v.add(elem);
}
}
}
return v;
}
/**
* Invoked by getContainedElementDeclarations to get the child element type
* and child element name for a child element node.
*
* If the specified node represents a supported JAX-RPC child element,
* we return an ElementDecl containing the child element name and type.
*
* @param elementNode
* @param symbolTable
* @return
*/
private static ElementDecl processChildElementNode(Node elementNode,
SymbolTable symbolTable) {
// Get the name qnames.
QName nodeName = Utils.getNodeNameQName(elementNode);
BooleanHolder forElement = new BooleanHolder();
String comments = null;
comments = getAnnotationDocumentation(elementNode);
// The type qname is used to locate the TypeEntry, which is then
// used to retrieve the proper java name of the type.
QName nodeType = Utils.getTypeQName(elementNode, forElement, false);
TypeEntry type = symbolTable.getTypeEntry(nodeType,
forElement.value);
// An element inside a complex type is either qualified or unqualified.
// If the ref= attribute is used, the name of the ref'd element is used
// (which must be a root element). If the ref= attribute is not
// used, the name of the element is unqualified.
if (!forElement.value) {
// check the Form (or elementFormDefault) attribute of this node to
// determine if it should be namespace quailfied or not.
String form = Utils.getAttribute(elementNode, "form");
if ((form != null) && form.equals("unqualified")) {
// Unqualified nodeName
nodeName = Utils.findQName("", nodeName.getLocalPart());
} else if (form == null) {
// check elementFormDefault on schema element
String def = Utils.getScopedAttribute(elementNode,
"elementFormDefault");
if ((def == null) || def.equals("unqualified")) {
// Unqualified nodeName
nodeName = Utils.findQName("", nodeName.getLocalPart());
}
}
}
if (type != null) {
ElementDecl elem = new ElementDecl(type, nodeName);
elem.setDocumentation(comments);
String minOccurs = Utils.getAttribute(elementNode,
"minOccurs");
if ((minOccurs != null) && minOccurs.equals("0")) {
elem.setMinOccursIs0(true);
}
String maxOccurs = Utils.getAttribute(elementNode, "maxOccurs");
if (maxOccurs != null) {
if (maxOccurs.equals("unbounded")) {
elem.setMaxOccursIsUnbounded(true);
}
else if(maxOccurs.equals("1")) {
elem.setMaxOccursIsExactlyOne(true);
}
}
else {
elem.setMaxOccursIsExactlyOne(true);
}
elem.setNillable(
JavaUtils.isTrueExplicitly(
Utils.getAttribute(elementNode, "nillable")));
String useValue = Utils.getAttribute(elementNode, "use");
if (useValue != null) {
elem.setOptional(useValue.equalsIgnoreCase("optional"));
}
return elem;
}
return null;
}
/**
* Returns the WSDL2Java QName for the anonymous type of the element
* or null.
*
* @param node
* @return
*/
public static QName getElementAnonQName(Node node) {
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")
|| isXSDNode(kid, "simpleType")) {
return Utils.getNodeNameQName(kid);
}
}
}
return null;
}
/**
* Returns the WSDL2Java QName for the anonymous type of the attribute
* or null.
*
* @param node
* @return
*/
public static QName getAttributeAnonQName(Node node) {
if (isXSDNode(node, "attribute")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")
|| isXSDNode(kid, "simpleType")) {
return Utils.getNodeNameQName(kid);
}
}
}
return null;
}
/**
* If the specified node is a simple type or contains simpleContent, return true
*
* @param node
* @return
*/
public static boolean isSimpleTypeOrSimpleContent(Node node) {
if (node == null) {
return false;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")) {
node = kid;
break;
} else if (isXSDNode(kid, "simpleType")) {
return true;
}
}
}
// Expecting a schema complexType or simpleType
if (isXSDNode(node, "simpleType")) {
return true;
}
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be complexContent/simpleContent
// and extension elements if this is a derived type. Skip over these.
NodeList children = node.getChildNodes();
Node complexContent = null;
Node simpleContent = null;
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")) {
complexContent = kid;
break;
} else if (isXSDNode(kid, "simpleContent")) {
simpleContent = kid;
}
}
if (complexContent != null) {
return false;
}
if (simpleContent != null) {
return true;
}
}
return false;
}
/**
* Test whether node is not null, belongs to the XML
* Schema namespace, and has a localName that matches
* schemaLocalName
*
* This can be used to determine that a given Node defines a
* schema "complexType" "element" and so forth.
*
* @param node a Node value
* @param schemaLocalName a String value
* @return true if the node is matches the name in the schema namespace.
*/
private static boolean isXSDNode(Node node, String schemaLocalName) {
if (node == null) {
return false;
}
String localName = node.getLocalName();
if (localName == null) {
return false;
}
return (localName.equals(schemaLocalName) &&
Constants.isSchemaXSD(node.getNamespaceURI()));
}
/**
* Look for the base type of node iff node is a complex type that has been
* derived by restriction; otherwise return null.
*
* @param node
* @param symbolTable
* @return
*/
public static TypeEntry getComplexElementRestrictionBase(Node node,
SymbolTable symbolTable) {
if (node == null) {
return null;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
Node complexNode = null;
for (int j = 0;
(j < children.getLength()) && (complexNode == null); j++) {
if (isXSDNode(children.item(j), "complexType")) {
complexNode = children.item(j);
node = complexNode;
}
}
}
// Expecting a schema complexType
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be should be a complexContent &
// restriction elements if this is a derived type.
NodeList children = node.getChildNodes();
Node content = null;
Node restriction = null;
for (int j = 0; (j < children.getLength()) && (content == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent") || isXSDNode(kid, "simpleContent")) {
content = kid;
}
}
if (content != null) {
children = content.getChildNodes();
for (int j = 0;
(j < children.getLength()) && (restriction == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "restriction")) {
restriction = kid;
}
}
}
if (restriction == null) {
return null;
} else {
// Get the QName of the extension base
QName restrictionType = Utils.getTypeQName(restriction,
new BooleanHolder(),
false);
if (restrictionType == null) {
return null;
} else {
// Return associated Type
return symbolTable.getType(restrictionType);
}
}
} else {
return null;
}
}
/**
* If the specified node represents a supported JAX-RPC complexType/element
* which extends another complexType. The Type of the base is returned.
*
* @param node
* @param symbolTable
* @return
*/
public static TypeEntry getComplexElementExtensionBase(Node node,
SymbolTable symbolTable) {
if (node == null) {
return null;
}
TypeEntry cached = (TypeEntry) symbolTable.node2ExtensionBase.get(node);
if (cached != null) {
return cached; // cache hit
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
Node complexNode = null;
for (int j = 0;
(j < children.getLength()) && (complexNode == null); j++) {
if (isXSDNode(children.item(j), "complexType")) {
complexNode = children.item(j);
node = complexNode;
}
}
}
// Expecting a schema complexType
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be should be a complexContent &
// extension elements if this is a derived type.
NodeList children = node.getChildNodes();
Node content = null;
Node extension = null;
for (int j = 0; (j < children.getLength()) && (content == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")
|| isXSDNode(kid, "simpleContent")) {
content = kid;
}
}
if (content != null) {
children = content.getChildNodes();
for (int j = 0;
(j < children.getLength()) && (extension == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "extension")) {
extension = kid;
}
}
}
if (extension == null) {
cached = null;
} else {
// Get the QName of the extension base
QName extendsType = Utils.getTypeQName(extension,
new BooleanHolder(),
false);
if (extendsType == null) {
cached = null;
} else {
// Return associated Type
cached = symbolTable.getType(extendsType);
}
}
}
symbolTable.node2ExtensionBase.put(node, cached);
return cached;
}
/**
* If the specified node represents a 'normal' non-enumeration simpleType,
* the QName of the simpleType base is returned.
*
* @param node
* @return
*/
public static QName getSimpleTypeBase(Node node) {
QName[] qname = getContainedSimpleTypes(node);
if ((qname != null) && (qname.length > 0)) {
return qname[0];
}
return null;
}
/**
* Method getContainedSimpleTypes
*
* @param node
* @return
*/
public static QName[] getContainedSimpleTypes(Node node) {
QName[] baseQNames = null;
if (node == null) {
return null;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
if (isXSDNode(children.item(j), "simpleType")) {
node = children.item(j);
break;
}
}
}
// Get the node kind, expecting a schema simpleType
if (isXSDNode(node, "simpleType")) {
// Under the simpleType there should be a restriction.
// (There may be other #text nodes, which we will ignore).
NodeList children = node.getChildNodes();
Node restrictionNode = null;
Node unionNode = null;
for (int j = 0;
(j < children.getLength()) && (restrictionNode == null);
j++) {
if (isXSDNode(children.item(j), "restriction")) {
restrictionNode = children.item(j);
} else if (isXSDNode(children.item(j), "union")) {
unionNode = children.item(j);
}
}
// The restriction node indicates the type being restricted
// (the base attribute contains this type).
if (restrictionNode != null) {
baseQNames = new QName[1];
baseQNames[0] = Utils.getTypeQName(restrictionNode,
new BooleanHolder(), false);
}
if (unionNode != null) {
baseQNames = Utils.getMemberTypeQNames(unionNode);
}
// Look for enumeration elements underneath the restriction node
if ((baseQNames != null) && (restrictionNode != null)
&& (unionNode != null)) {
NodeList enums = restrictionNode.getChildNodes();
for (int i = 0; i < enums.getLength(); i++) {
if (isXSDNode(enums.item(i), "enumeration")) {
// Found an enumeration, this isn't a
// 'normal' simple type.
return null;
}
}
}
}
return baseQNames;
}
/**
* Returns the contained restriction or extension node underneath
* the specified node. Returns null if not found
*
* @param node
* @return
*/
public static Node getRestrictionOrExtensionNode(Node node) {
Node re = null;
if (node == null) {
return re;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node n = children.item(j);
if (isXSDNode(n, "simpleType") || isXSDNode(n, "complexType")
|| isXSDNode(n, "simpleContent")) {
node = n;
break;
}
}
}
// Get the node kind, expecting a schema simpleType
if (isXSDNode(node, "simpleType") || isXSDNode(node, "complexType")) {
// Under the complexType there could be a complexContent.
NodeList children = node.getChildNodes();
Node complexContent = null;
if (node.getLocalName().equals("complexType")) {
for (int j = 0;
(j < children.getLength()) && (complexContent == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")
|| isXSDNode(kid, "simpleContent")) {
complexContent = kid;
}
}
node = complexContent;
}
// Now get the extension or restriction node
if (node != null) {
children = node.getChildNodes();
for (int j = 0; (j < children.getLength()) && (re == null);
j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "extension")
|| isXSDNode(kid, "restriction")) {
re = kid;
}
}
}
}
return re;
}
/**
* If the specified node represents an array encoding of one of the following
* forms, then return the qname repesenting the element type of the array.
*
* @param node is the node
* @param dims is the output value that contains the number of dimensions if return is not null
* @param itemQName will end up containing the "inner" QName for a
* wrapped literal array
* @return QName or null
*/
public static QName getArrayComponentQName(Node node,
IntHolder dims,
BooleanHolder underlTypeNillable,
QNameHolder itemQName,
BooleanHolder forElement,
SymbolTable symbolTable) {
dims.value = 1; // assume 1 dimension
underlTypeNillable.value = false; // assume underlying type is not nillable
QName qName = getCollectionComponentQName(node, itemQName, forElement, symbolTable);
if (qName == null) {
qName = getArrayComponentQName_JAXRPC(node, dims, underlTypeNillable, symbolTable);
}
return qName;
}
/**
* If the specified node represents an element that references a collection
* then return the qname repesenting the component of the collection.
*
*
*
*
*
* returns qname for"xsd:string"
*
*
// ,
// continue the processing using that element ...
node = element;
storeComponentQName = true;
try {
symbolTable.createTypeFromRef(node);
} catch (IOException e) {
throw new RuntimeException(Messages.getMessage("exception01",e.toString()));
}
}
// If the node kind is an element, dive to get its type.
if (isXSDNode(node, "element")) {
// Compare the componentQName with the name of the
// full name. If different, return componentQName
QName componentTypeQName = Utils.getTypeQName(node,
forElement,
true);
if (componentTypeQName != null) {
QName fullQName = Utils.getTypeQName(node, forElement, false);
if (!componentTypeQName.equals(fullQName)) {
if (storeComponentQName) {
String name = Utils.getAttribute(node, "name");
if (name != null) {
// check elementFormDefault on schema element
String def = Utils.getScopedAttribute(node,
"elementFormDefault");
String namespace = "";
if ((def != null) && def.equals("qualified")) {
namespace = Utils.getScopedAttribute(node, "targetNamespace");
}
itemQName.value = new QName(namespace, name);
}
}
return componentTypeQName;
}
}
}
return null;
}
/**
* If the specified node represents an array encoding of one of the following
* forms, then return the qname repesenting the element type of the array.
*
* @param node is the node
* @param dims is the output value that contains the number of dimensions if return is not null
* @return QName or null
*
* JAX-RPC Style 2:
*
*
*
*
*
*
*
* JAX-RPC Style 3:
*
*
*
*
*
*
*
*
*/
private static QName getArrayComponentQName_JAXRPC(Node node,
IntHolder dims,
BooleanHolder underlTypeNillable,
SymbolTable symbolTable)
{
dims.value = 0; // Assume 0
underlTypeNillable.value = false;
if (node == null) {
return null;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")) {
node = kid;
break;
}
}
}
// Get the node kind, expecting a schema complexType
if (isXSDNode(node, "complexType")) {
// Under the complexType there should be a complexContent.
// (There may be other #text nodes, which we will ignore).
NodeList children = node.getChildNodes();
Node complexContentNode = null;
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")
|| isXSDNode(kid, "simpleContent")) {
complexContentNode = kid;
break;
}
}
// Under the complexContent there should be a restriction.
// (There may be other #text nodes, which we will ignore).
Node restrictionNode = null;
if (complexContentNode != null) {
children = complexContentNode.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "restriction")) {
restrictionNode = kid;
break;
}
}
}
// The restriction node must have a base of soapenc:Array.
QName baseType = null;
if (restrictionNode != null) {
baseType = Utils.getTypeQName(restrictionNode,
new BooleanHolder(), false);
if (baseType != null) {
if (!baseType.getLocalPart().equals("Array") ||
!Constants.isSOAP_ENC(baseType.getNamespaceURI())) {
if (!symbolTable.arrayTypeQNames.contains(baseType)) {
baseType = null; // Did not find base=soapenc:Array
}
}
}
}
// Under the restriction there should be an attribute OR a sequence/all group node.
// (There may be other #text nodes, which we will ignore).
Node groupNode = null;
Node attributeNode = null;
if (baseType != null) {
children = restrictionNode.getChildNodes();
for (int j = 0; (j < children.getLength())
&& (groupNode == null)
&& (attributeNode == null); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "sequence") || isXSDNode(kid, "all")) {
groupNode = kid;
if (groupNode.getChildNodes().getLength() == 0) {
// This covers the rather odd but legal empty sequence.
//
//
//
//
//
//
groupNode = null;
}
}
if (isXSDNode(kid, "attribute")) {
// If the attribute node does not have ref="soapenc:arrayType"
// then keep looking.
BooleanHolder isRef = new BooleanHolder();
QName refQName = Utils.getTypeQName(kid, isRef,
false);
if ((refQName != null) && isRef.value
&& refQName.getLocalPart().equals("arrayType")
&& Constants.isSOAP_ENC(
refQName.getNamespaceURI())) {
attributeNode = kid;
}
}
}
}
// If there is an attribute node, look at wsdl:arrayType to get the element type
if (attributeNode != null) {
String wsdlArrayTypeValue = null;
Vector attrs =
Utils.getAttributesWithLocalName(attributeNode,
"arrayType");
for (int i = 0;
(i < attrs.size()) && (wsdlArrayTypeValue == null);
i++) {
Node attrNode = (Node) attrs.elementAt(i);
String attrName = attrNode.getNodeName();
QName attrQName =
Utils.getQNameFromPrefixedName(attributeNode, attrName);
if (Constants.isWSDL(attrQName.getNamespaceURI())) {
wsdlArrayTypeValue = attrNode.getNodeValue();
}
}
// The value could have any number of [] or [,] on the end
// Strip these off to get the prefixed name.
// The convert the prefixed name into a qname.
// Count the number of [ and , to get the dim information.
if (wsdlArrayTypeValue != null) {
int i = wsdlArrayTypeValue.indexOf('[');
if (i > 0) {
String prefixedName = wsdlArrayTypeValue.substring(0,
i);
String mangledString = wsdlArrayTypeValue.replace(',',
'[');
dims.value = 0;
int index = mangledString.indexOf('[');
while (index > 0) {
dims.value++;
index = mangledString.indexOf('[', index + 1);
}
return Utils.getQNameFromPrefixedName(restrictionNode,
prefixedName);
}
}
} else if (groupNode != null) {
// Get the first element node under the group node.
NodeList elements = groupNode.getChildNodes();
Node elementNode = null;
for (int i = 0;
(i < elements.getLength()) && (elementNode == null);
i++) {
Node kid = elements.item(i);
if (isXSDNode(kid, "element")) {
elementNode = elements.item(i);
break;
}
}
// The element node should have maxOccurs="unbounded" and
// a type
if (elementNode != null) {
String underlTypeNillableValue = Utils.getAttribute(elementNode,
"nillable");
if (underlTypeNillableValue != null
&& underlTypeNillableValue.equals("true")) {
underlTypeNillable.value = true;
}
String maxOccursValue = Utils.getAttribute(elementNode,
"maxOccurs");
if ((maxOccursValue != null)
&& maxOccursValue.equalsIgnoreCase("unbounded")) {
// Get the QName of the type without considering maxOccurs
dims.value = 1;
return Utils.getTypeQName(elementNode,
new BooleanHolder(), true);
}
}
}
}
return null;
}
/**
* adds an attribute node's type and name to the vector
* helper used by getContainedAttributeTypes
*
* @param v
* @param child
* @param symbolTable
*/
private static void addAttributeToVector(Vector v, Node child,
SymbolTable symbolTable) {
// Get the name and type qnames.
// The type qname is used to locate the TypeEntry, which is then
// used to retrieve the proper java name of the type.
QName attributeName = Utils.getNodeNameQName(child);
BooleanHolder forElement = new BooleanHolder();
QName attributeType = Utils.getTypeQName(child, forElement,
false);
// An attribute is either qualified or unqualified.
// If the ref= attribute is used, the name of the ref'd element is used
// (which must be a root element). If the ref= attribute is not
// used, the name of the attribute is unqualified.
if (!forElement.value) {
// check the Form (or attributeFormDefault) attribute of
// this node to determine if it should be namespace
// quailfied or not.
String form = Utils.getAttribute(child, "form");
if ((form != null) && form.equals("unqualified")) {
// Unqualified nodeName
attributeName = Utils.findQName("",
attributeName.getLocalPart());
} else if (form == null) {
// check attributeFormDefault on schema element
String def = Utils.getScopedAttribute(child,
"attributeFormDefault");
if ((def == null) || def.equals("unqualified")) {
// Unqualified nodeName
attributeName =
Utils.findQName("", attributeName.getLocalPart());
}
}
} else {
attributeName = attributeType;
}
// Get the corresponding TypeEntry from the symbol table
TypeEntry type = symbolTable.getTypeEntry(attributeType,
forElement.value);
// Try to get the corresponding global attribute ElementEntry
// from the symbol table.
if (type instanceof org.apache.axis.wsdl.symbolTable.Element) {
type = ((org.apache.axis.wsdl.symbolTable.Element) type).getRefType();
}
// add type and name to vector, skip it if we couldn't parse it
// XXX - this may need to be revisited.
if ((type != null) && (attributeName != null)) {
ContainedAttribute attr =
new ContainedAttribute(type, attributeName);
String useValue = Utils.getAttribute(child, "use");
if (useValue != null) {
attr.setOptional(useValue.equalsIgnoreCase("optional"));
}
v.add(attr);
}
}
/**
* adds an attribute to the vector
* helper used by addAttributeGroupToVector
*
* @param v
* @param symbolTable
* @param type
* @param name
*/
private static void addAttributeToVector(Vector v, SymbolTable symbolTable,
QName type, QName name) {
TypeEntry typeEnt = symbolTable.getTypeEntry(type, false);
if (typeEnt != null) // better not be null
{
v.add(new ContainedAttribute(typeEnt, name));
}
}
/**
* adds each attribute group's attribute node to the vector
* helper used by getContainedAttributeTypes
*
* @param v
* @param attrGrpnode
* @param symbolTable
*/
private static void addAttributeGroupToVector(Vector v, Node attrGrpnode,
SymbolTable symbolTable) {
// get the type of the attributeGroup
QName attributeGroupType = Utils.getTypeQName(attrGrpnode,
new BooleanHolder(), false);
TypeEntry type =
symbolTable.getTypeEntry(attributeGroupType, false);
if (type != null) {
if (type.getNode() != null) {
// for each attribute or attributeGroup defined in the attributeGroup...
NodeList children = type.getNode().getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "attribute")) {
addAttributeToVector(v, kid, symbolTable);
} else if (isXSDNode(kid, "attributeGroup")) {
addAttributeGroupToVector(v, kid, symbolTable);
}
}
} else if (type.isBaseType()) {
// soap/encoding is treated as a "known" schema
// so let's act like we know it
if (type.getQName().equals(Constants.SOAP_COMMON_ATTRS11)) {
// 1.1 commonAttributes contains two attributes
addAttributeToVector(v, symbolTable, Constants.XSD_ID,
new QName(Constants.URI_SOAP11_ENC,
"id"));
addAttributeToVector(v, symbolTable, Constants.XSD_ANYURI,
new QName(Constants.URI_SOAP11_ENC,
"href"));
} else if (type.getQName().equals(
Constants.SOAP_COMMON_ATTRS12)) {
// 1.2 commonAttributes contains one attribute
addAttributeToVector(v, symbolTable, Constants.XSD_ID,
new QName(Constants.URI_SOAP12_ENC,
"id"));
} else if (type.getQName().equals(
Constants.SOAP_ARRAY_ATTRS11)) {
// 1.1 arrayAttributes contains two attributes
addAttributeToVector(v, symbolTable, Constants.XSD_STRING,
new QName(Constants.URI_SOAP12_ENC,
"arrayType"));
addAttributeToVector(v, symbolTable, Constants.XSD_STRING,
new QName(Constants.URI_SOAP12_ENC,
"offset"));
} else if (type.getQName().equals(
Constants.SOAP_ARRAY_ATTRS12)) {
// 1.2 arrayAttributes contains two attributes
// the type of "arraySize" is really "2003soapenc:arraySize"
// which is rather of a hairy beast that is not yet supported
// in Axis, so let's just use string; nobody should care for
// now because arraySize wasn't used at all up until this
// bug 23145 was fixed, which had nothing to do, per se, with
// adding support for arraySize
addAttributeToVector(v, symbolTable, Constants.XSD_STRING,
new QName(Constants.URI_SOAP12_ENC,
"arraySize"));
addAttributeToVector(v, symbolTable, Constants.XSD_QNAME,
new QName(Constants.URI_SOAP12_ENC,
"itemType"));
}
}
}
}
/**
* Return the attribute names and types if any in the node
* The even indices are the attribute types (TypeEntry) and
* the odd indices are the corresponding names (Strings).
*
* Example:
*
*
*
*
*
* @param node
* @param symbolTable
* @return
*/
public static Vector getContainedAttributeTypes(Node node,
SymbolTable symbolTable) {
Vector v = null; // return value
if (node == null) {
return null;
}
// Check for SimpleContent
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexType")) {
node = kid;
break;
}
}
}
// Expecting a schema complexType
if (isXSDNode(node, "complexType")) {
// Under the complexType there could be complexContent/simpleContent
// and extension elements if this is a derived type. Skip over these.
NodeList children = node.getChildNodes();
Node content = null;
int len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "complexContent")
|| isXSDNode(kid, "simpleContent")) {
content = kid;
break;
}
}
// Check for extensions or restrictions
if (content != null) {
children = content.getChildNodes();
len = children.getLength();
for (int j = 0; j < len; j++) {
Node kid = children.item(j);
if (isXSDNode(kid, "extension")
|| isXSDNode(kid, "restriction")) {
node = kid;
break;
}
}
}
// examine children of the node for elements
children = node.getChildNodes();
len = children.getLength();
for (int i = 0; i < len; i++) {
Node child = children.item(i);
if (isXSDNode(child, "attributeGroup")) {
if (v == null) {
v = new Vector();
}
addAttributeGroupToVector(v, child, symbolTable);
} else if (isXSDNode(child, "anyAttribute")) {
// do nothing right now
if (v == null) {
v = new Vector();
}
} else if (isXSDNode(child, "attribute")) {
// we have an attribute
if (v == null) {
v = new Vector();
}
addAttributeToVector(v, child, symbolTable);
}
}
}
return v;
}
// list of all of the XSD types in Schema 2001
/** Field schemaTypes[] */
private static String schemaTypes[] = {
"string", "normalizedString", "token", "byte", "unsignedByte",
"base64Binary", "hexBinary", "integer", "positiveInteger",
"negativeInteger", "nonNegativeInteger", "nonPositiveInteger", "int",
"unsignedInt", "long", "unsignedLong", "short", "unsignedShort",
"decimal", "float", "double", "boolean", "time", "dateTime", "duration",
"date", "gMonth", "gYear", "gYearMonth", "gDay", "gMonthDay", "Name",
"QName", "NCName", "anyURI", "language", "ID", "IDREF", "IDREFS",
"ENTITY", "ENTITIES", "NOTATION", "NMTOKEN", "NMTOKENS",
"anySimpleType"
};
/** Field schemaTypeSet */
private static final Set schemaTypeSet =
new HashSet(Arrays.asList(schemaTypes));
/**
* Determine if a string is a simple XML Schema type
*
* @param s
* @return
*/
private static boolean isSimpleSchemaType(String s) {
if (s == null) {
return false;
}
return schemaTypeSet.contains(s);
}
/**
* Determine if a QName is a simple XML Schema type
*
* @param qname
* @return
*/
public static boolean isSimpleSchemaType(QName qname) {
if ((qname == null) || !Constants.isSchemaXSD(qname.getNamespaceURI())) {
return false;
}
return isSimpleSchemaType(qname.getLocalPart());
}
/**
* Returns the base type of a given type with its symbol table.
* This logic is extracted from JavaTypeWriter's constructor() method
* for reusing.
*
* @param type
* @param symbolTable
* @return
*/
public static TypeEntry getBaseType(TypeEntry type, SymbolTable symbolTable) {
Node node = type.getNode();
TypeEntry base = getComplexElementExtensionBase(
node, symbolTable);
if (base == null) {
base = getComplexElementRestrictionBase(node, symbolTable);
}
if (base == null) {
QName baseQName = getSimpleTypeBase(node);
if (baseQName != null) {
base = symbolTable.getType(baseQName);
}
}
return base;
}
/**
* Returns whether the specified node represents a
* with a nested .
* @param node
* @return
*/
public static boolean isListWithItemType(Node node) {
return getListItemType(node) != null;
}
/**
* Returns the value of itemType attribute of in
* @param node
* @return
*/
public static QName getListItemType(Node node) {
if (node == null) {
return null;
}
// If the node kind is an element, dive into it.
if (isXSDNode(node, "element")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
if (isXSDNode(children.item(j), "simpleType")) {
node = children.item(j);
break;
}
}
}
// Get the node kind, expecting a schema simpleType
if (isXSDNode(node, "simpleType")) {
NodeList children = node.getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
if (isXSDNode(children.item(j), "list")) {
Node listNode = children.item(j);
org.w3c.dom.Element listElement =
(org.w3c.dom.Element) listNode;
String type = listElement.getAttribute("itemType");
if (type.equals("")) {
Node localType = null;
children = listNode.getChildNodes();
for (j = 0; j < children.getLength() && localType == null; j++) {
if (isXSDNode(children.item(j), "simpleType")) {
localType = children.item(j);
}
}
if (localType != null) {
return getSimpleTypeBase(localType);
}
return null;
}
//int colonIndex = type.lastIndexOf(":");
//if (colonIndex > 0) {
//type = type.substring(colonIndex + 1);
//}
//return new QName(Constants.URI_2001_SCHEMA_XSD, type + "[]");
return Utils.getQNameFromPrefixedName(node, type);
}
}
}
return null;
}
}
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