WSDL processing does not resolve references made within sequences to global
elements.
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Key: AXIS-2409
URL: http://issues.apache.org/jira/browse/AXIS-2409
Project: Apache Axis
Type: Bug
Components: WSDL processing
Versions: 1.3
Environment: Windows XP professional
Reporter: Martin Genhart
Priority: Blocker
The following schema element PSKeyword/Choices references a globally defined
element PSKeywordChoice in a sequence. This will not be resolved during WSDL
processing while creating the type description in the produced java object.
Because of that the array serializer produces the wrong XML and of course the
array deserializer fails because it did expect XML as defined in the schema. If
the same schema construct if made with local elements it is processed fine, see
PSHierarchyNode/Properties in the schema below.
<xsd:schema targetNamespace="urn:www.percussion.com/6.0.0/contentServices"
xmlns:cons="urn:www.percussion.com/6.0.0/contentServices"
xmlns:com="urn:www.percussion.com/6.0.0/common"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"; elementFormDefault="qualified"
attributeFormDefault="qualified">
<xsd:simpleType name="NodeType">
<xsd:restriction base="xsd:string">
<xsd:enumeration value="folder"/>
<xsd:enumeration value="placeholder"/>
</xsd:restriction>
</xsd:simpleType>
<xsd:element name="PSHierarchyNode">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="Properties" minOccurs="0">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="Property" maxOccurs="unbounded">
<xsd:complexType>
<xsd:attribute name="parentId" type="xsd:string"/>
<xsd:attribute name="name" type="xsd:string"
use="required"/>
<xsd:attribute name="value" type="xsd:string"/>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
<xsd:attribute name="id" type="xsd:string"/>
<xsd:attribute name="parentId" type="xsd:string"/>
<xsd:attribute name="type" type="cons:NodeType" use="required"/>
<xsd:attribute name="name" type="xsd:string" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="PSKeyword">
<xsd:complexType>
<xsd:simpleContent>
<xsd:extension base="xsd:string">
<xsd:attribute name="label" type="xsd:string" use="required">
<xsd:annotation>
<xsd:documentation>The label of the keyword as displayed
to end users.</xsd:documentation>
</xsd:annotation>
</xsd:attribute>
<xsd:attribute name="value" type="xsd:string" use="required"/>
<xsd:attribute name="keywordType" type="xsd:string"
use="required"/>
<xsd:attribute name="sequence" type="xsd:int"/>
</xsd:extension>
</xsd:simpleContent>
</xsd:complexType>
</xsd:element>
<xsd:element name="PSKeywordChoice">
<xsd:complexType>
<xsd:attribute name="label" type="xsd:string" use="required"/>
<xsd:attribute name="value" type="xsd:string" use="required"/>
<xsd:attribute name="description" type="xsd:string"/>
<xsd:attribute name="sequence" type="xsd:int" default="0"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>
I will upload the WSLD / schema so that you are able to reproduce the problem.
I run org.apache.axis.wsdl.WSDL2Java with these arguments:
-o d:\temp\wsdl -W -s -S false -d Request -T 1.1
D:\temp\wsdl\design\rhythmyx.wsdl
The meta data produced for PSKeyword are:
static {
typeDesc.setXmlType(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
">PSKeyword"));
org.apache.axis.description.AttributeDesc attrField = new
org.apache.axis.description.AttributeDesc();
attrField.setFieldName("label");
attrField.setXmlName(new javax.xml.namespace.QName("", "label"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("value");
attrField.setXmlName(new javax.xml.namespace.QName("", "value"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("keywordType");
attrField.setXmlName(new javax.xml.namespace.QName("", "keywordType"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("sequence");
attrField.setXmlName(new javax.xml.namespace.QName("", "sequence"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "int"));
typeDesc.addFieldDesc(attrField);
org.apache.axis.description.ElementDesc elemField = new
org.apache.axis.description.ElementDesc();
elemField.setFieldName("choices");
elemField.setXmlName(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
"Choices"));
elemField.setXmlType(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
"PSKeywordChoice"));
elemField.setMinOccurs(0);
elemField.setNillable(false);
typeDesc.addFieldDesc(elemField);
}
But it should be:
static {
typeDesc.setXmlType(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
">PSKeyword"));
org.apache.axis.description.AttributeDesc attrField = new
org.apache.axis.description.AttributeDesc();
attrField.setFieldName("label");
attrField.setXmlName(new javax.xml.namespace.QName("", "label"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("value");
attrField.setXmlName(new javax.xml.namespace.QName("", "value"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("keywordType");
attrField.setXmlName(new javax.xml.namespace.QName("", "keywordType"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "string"));
typeDesc.addFieldDesc(attrField);
attrField = new org.apache.axis.description.AttributeDesc();
attrField.setFieldName("sequence");
attrField.setXmlName(new javax.xml.namespace.QName("", "sequence"));
attrField.setXmlType(new
javax.xml.namespace.QName("http://www.w3.org/2001/XMLSchema";, "int"));
typeDesc.addFieldDesc(attrField);
org.apache.axis.description.ElementDesc elemField = new
org.apache.axis.description.ElementDesc();
elemField.setFieldName("choices");
elemField.setXmlName(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
"Choices"));
elemField.setXmlType(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
"PSKeywordChoice"));
elemField.setMinOccurs(0);
elemField.setNillable(false);
elemField.setItemQName(new
javax.xml.namespace.QName("urn:www.percussion.com/6.0.0/contentServices",
"PSKeywordChoice"));
typeDesc.addFieldDesc(elemField);
}
I found that the problem is in class
org.apache.axis.wsdl.symbolTable.SchemUtils.java:
public static QName getCollectionComponentQName(Node node,
QNameHolder itemQName,
BooleanHolder forElement,
SymbolTable symbolTable) {
// If we're going to turn "wrapped" arrays into types such that
// <complexType><sequence>
// <element name="foo" type="xs:string" maxOccurs="unbounded"/>
// </sequence></complexType>
// becomes just "String []", we need to keep track of the inner
// element name "foo" in metadata... This flag indicates whether to
// do so.
boolean storeComponentQName = false;
if (node == null) {
return null;
}
if (itemQName != null && isXSDNode(node, "complexType")) {
// If this complexType is a sequence of exactly one element
// we will continue processing below using that element, and
// let the type checking logic determine if this is an array
// or not.
Node sequence = SchemaUtils.getChildByName(node, "sequence");
if (sequence == null) {
return null;
}
NodeList children = sequence.getChildNodes();
Node element = null;
for (int i = 0; i < children.getLength(); i++) {
if (children.item(i).getNodeType() == Node.ELEMENT_NODE) {
if (element == null) {
element = children.item(i);
} else {
return null;
}
}
}
if (element == null) {
return null;
}
// OK, exactly one element child of <sequence>,
// 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");
+++ // maybe its a reference
+++ if (name == null)
+++ {
+++ String ref = Utils.getAttribute(node, "ref");
+++ if (ref != null)
+++ {
+++ // strip any namespace info, it will be added
later
+++ String[] parts = ref.split(":");
+++ name = parts[parts.length-1];
+++ }
}
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;
}
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