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Commons XMLSchema is a light weight schema object model that can be used to manipualte or
generate a schema. It has a clean, easy to use API and can easily be integrated into an existing project
since it has almost no dependancies on third party libraries.
/*
* 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.ws.commons.schema;
import org.apache.ws.commons.schema.constants.Constants;
import org.apache.ws.commons.schema.extensions.ExtensionRegistry;
import org.apache.ws.commons.schema.utils.NamespacePrefixList;
import org.w3c.dom.*;
import javax.xml.namespace.QName;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.util.*;
public class XmlSchemaSerializer {
/**
* Extension registry for the serializer
* */
private ExtensionRegistry extReg;
public ExtensionRegistry getExtReg() {
return extReg;
}
public void setExtReg(ExtensionRegistry extReg) {
this.extReg = extReg;
}
private Hashtable schema_ns;
static String xsdPrefix = "xs";
public static final String xsdNamespace = "http://www.w3.org/2001/XMLSchema";
ArrayList docs;
Element schemaElement;
private static final String XMLNS_NAMESPACE_URI = "http://www.w3.org/2000/xmlns/";
XmlSchemaSerializer() {
docs = new ArrayList();
schema_ns = new Hashtable();
}
/**
* *********************************************************************
* Document[] serializeSchema(XmlSchema schemaObj,
* boolean serializeIncluded)
*
* Serialize XmlSchema object pass back the document containing a schema
* element as its root.
*
* Parameter:
* schemaObj - Schema object to serialize.
* serialzeIncluded - whether to serialize the included(imported)
* schema or not. pass true for serialize all included
* schema.
*
* Return:
* Array of Documents that include/imported.
* **********************************************************************
*/
public Document[] serializeSchema(XmlSchema schemaObj,
boolean serializeIncluded) throws XmlSchemaSerializerException {
return serializeSchemaElement(schemaObj, serializeIncluded);
}
Document[] serializeSchemaElement(XmlSchema schemaObj,
boolean serializeIncluded) throws XmlSchemaSerializerException {
XmlSchemaObjectCollection items = schemaObj.getItems();
Document serializedSchemaDocs;
try {
DocumentBuilderFactory docFac = DocumentBuilderFactory.newInstance();
docFac.setNamespaceAware(true);
DocumentBuilder builder = docFac.newDocumentBuilder();
serializedSchemaDocs = builder.newDocument();
} catch (ParserConfigurationException e) {
throw new XmlSchemaException(e.getMessage());
}
Element serializedSchema;
serializedSchema = setupNamespaces(serializedSchemaDocs, schemaObj);
schemaElement = serializedSchema;
if (schemaObj.syntacticalTargetNamespace != null) {
serializedSchema.setAttribute("targetNamespace", schemaObj.syntacticalTargetNamespace);
Object targetNS =
schema_ns.get(schemaObj.syntacticalTargetNamespace);
//if the namespace is not entered then add
//the targetNamespace as its
if (targetNS == null) {
if(!Constants.XMLNS_URI.equals(schemaObj.syntacticalTargetNamespace)){
serializedSchema.setAttributeNS(XMLNS_NAMESPACE_URI,
"xmlns", schemaObj.syntacticalTargetNamespace);
}
String prefix = null;
if(schemaObj.getNamespaceContext() != null) {
prefix = schemaObj.getNamespaceContext().getPrefix(schemaObj.syntacticalTargetNamespace);
}
if(prefix == null && schemaObj.parent != null && schemaObj.parent.getNamespaceContext() != null) {
prefix = schemaObj.parent.getNamespaceContext().getPrefix(schemaObj.syntacticalTargetNamespace);
}
if(prefix == null) {
prefix = "";
}
schema_ns.put(schemaObj.syntacticalTargetNamespace, prefix);
}
}
//todo: implement xml:lang,
if (schemaObj.attributeFormDefault != null) {
String formQualified = schemaObj.attributeFormDefault.getValue();
if (!formQualified.equals(XmlSchemaForm.NONE))
serializedSchema.setAttribute("attributeFormDefault", convertString(formQualified));
}
if (schemaObj.elementFormDefault != null) {
String formQualified = schemaObj.elementFormDefault.getValue();
if (!formQualified.equals(XmlSchemaForm.NONE))
serializedSchema.setAttribute("elementFormDefault", convertString(formQualified));
}
if (schemaObj.annotation != null) {
Element annotation = serializeAnnotation(serializedSchemaDocs,
schemaObj.annotation, schemaObj);
serializedSchema.appendChild(annotation);
}
if (schemaObj.id != null) {
serializedSchema.setAttribute("id",
schemaObj.id);
}
if (schemaObj.blockDefault != null) {
String blockDefault = schemaObj.blockDefault.getValue();
if (!blockDefault.equals(Constants.BlockConstants.NONE)) {
blockDefault = convertString(blockDefault);
serializedSchema.setAttribute("blockDefault", blockDefault);
}
}
if (schemaObj.finalDefault != null) {
String finalDefault = schemaObj.finalDefault.getValue();
if (!finalDefault.equals(Constants.BlockConstants.NONE)) {
finalDefault = convertString(finalDefault);
serializedSchema.setAttribute("finalDefault", finalDefault);
}
}
if (schemaObj.version != null) {
serializedSchema.setAttribute("version", schemaObj.version);
}
//add the extra namespace decalarations if any are available
NamespacePrefixList ctx = schemaObj.getNamespaceContext();
String[] prefixes = ctx.getDeclaredPrefixes();
for (int i = 0; i < prefixes.length; i++) {
String prefix = prefixes[i];
String uri = ctx.getNamespaceURI(prefix);
if (!Constants.DEFAULT_NS_PREFIX.equals(prefix)) {
serializedSchema.setAttributeNS(Constants.XMLNS_ATTRIBUTE_NS_URI,
Constants.XMLNS_ATTRIBUTE + ":" + prefix, uri);
}
}
//after serialize the schema add into documentation
//and add to document collection array which at the end
//returned
serializeSchemaChild(items, serializedSchema, serializedSchemaDocs,
schemaObj, serializeIncluded);
//process extension elements/attributes
processExtensibilityComponents(schemaObj,serializedSchema);
serializedSchemaDocs.appendChild(serializedSchema);
docs.add(serializedSchemaDocs);
Document[] serializedDocs = new Document[docs.size()];
docs.toArray(serializedDocs);
return serializedDocs;
}
private void serializeSchemaChild(XmlSchemaObjectCollection items,
Element serializedSchema, Document serializedSchemaDocs,
XmlSchema schemaObj, boolean serializeIncluded)
throws XmlSchemaSerializerException {
int itemsLength = items.getCount();
/**
* For each of the items that belong to this schema,
* serialize each member found.
* Permittable member is: element, simpleType, complexType,
* group, attrributeGroup, Attribute, include, import and redefine.
* if any of the member found then serialize the component.
*/
// Since imports and includes need to be the first items of the
// serialized schema. So this loop does the serialization of the
// imports and includes
for (int i = 0; i < itemsLength; i++) {
XmlSchemaObject obj = items.getItem(i);
if (obj instanceof XmlSchemaInclude) {
Element e = serializeInclude(serializedSchemaDocs,
(XmlSchemaInclude) obj, schemaObj, serializeIncluded);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaImport) {
Element e = serializeImport(serializedSchemaDocs,
(XmlSchemaImport) obj, schemaObj, serializeIncluded);
serializedSchema.appendChild(e);
}
}
// reloop to serialize the others
for (int i = 0; i < itemsLength; i++) {
XmlSchemaObject obj = items.getItem(i);
if (obj instanceof XmlSchemaElement) {
Element e = serializeElement(serializedSchemaDocs,
(XmlSchemaElement) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaSimpleType) {
Element e = serializeSimpleType(serializedSchemaDocs,
(XmlSchemaSimpleType) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaComplexType) {
Element e = serializeComplexType(serializedSchemaDocs,
(XmlSchemaComplexType) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaGroup) {
Element e = serializeGroup(serializedSchemaDocs,
(XmlSchemaGroup) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaAttributeGroup) {
Element e = serializeAttributeGroup(serializedSchemaDocs,
(XmlSchemaAttributeGroup) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaAttribute) {
Element e = serializeAttribute(serializedSchemaDocs,
(XmlSchemaAttribute) obj, schemaObj);
serializedSchema.appendChild(e);
} else if (obj instanceof XmlSchemaRedefine) {
Element e = serializeRedefine(serializedSchemaDocs,
(XmlSchemaRedefine) obj, schemaObj);
serializedSchema.appendChild(e);
}
}
}
/**
* Set up namespaces appropriately and append that attr
* into specified element
*/
private Element setupNamespaces(Document schemaDocs, XmlSchema schemaObj) {
NamespacePrefixList ctx = schemaObj.getNamespaceContext();
schemaObj.schema_ns_prefix = xsdPrefix = ctx.getPrefix(xsdNamespace);
if(xsdPrefix == null) {
schemaObj.schema_ns_prefix = xsdPrefix = "";
}
String[] prefixes = ctx.getDeclaredPrefixes();
for (int i = 0; i < prefixes.length; i++) {
String prefix = prefixes[i];
String uri = ctx.getNamespaceURI(prefix);
if(uri != null && prefix != null) {
schema_ns.put(uri, prefix);
}
}
//for schema that not set the xmlns attrib member
if (schema_ns.get(xsdNamespace) == null) {
schema_ns.put(xsdNamespace, xsdPrefix);
schemaObj.schema_ns_prefix = xsdPrefix;
}
Element schemaEl = createNewElement(schemaDocs, "schema",
schemaObj.schema_ns_prefix, XmlSchema.SCHEMA_NS);
Iterator entries = schema_ns.entrySet().iterator();
while (entries.hasNext()) {
//let it crash for null pointer because then either the schema
//is wrong(namespace not set properly or bug in setting ns)
Map.Entry entry = (Map.Entry) entries.next();
String key = entry.getKey().toString();
String value = entry.getValue().toString();
value = (value.length() > 0) ? "xmlns:" + value : "xmlns";
schemaEl.setAttributeNS(XMLNS_NAMESPACE_URI,
value, key);
}
return schemaEl;
}
/**
* *********************************************************************
* Element serializeInclude(Document doc, XmlSchemaInclude includeObj,
* XmlSchema schema)throws XmlSchemaSerializerException
*
* set appropriate attribute as per this object attribute availability.
* Call included schema to append to this schema document collection.
* Then add the document created into document pool.
*
* Parameter:
* doc - Document the parent use.
* includeObj - XmlSchemaInclude that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element object representation of XmlSchemaInclude
* **********************************************************************
*/
Element serializeInclude(Document doc, XmlSchemaInclude includeObj,
XmlSchema schema, boolean serializeIncluded)
throws XmlSchemaSerializerException {
Element includeEl = createNewElement(doc, "include",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (includeObj.schemaLocation != null) {
includeEl.setAttribute("schemaLocation",
includeObj.schemaLocation);
}
if (includeObj.id != null)
includeEl.setAttribute("id", includeObj.id);
if (includeObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
includeObj.annotation, schema);
includeEl.appendChild(annotation);
}
//Get the XmlSchema obj and append that to the content
XmlSchema includedSchemaObj = includeObj.getSchema();
if (includedSchemaObj != null && serializeIncluded) {
XmlSchemaSerializer includeSeri = new XmlSchemaSerializer();
includeSeri.serializeSchemaElement(includedSchemaObj, true);
// XmlSchemaObjectCollection ii = includedSchemaObj.getItems();
docs.addAll(includeSeri.docs);
}
//process includes
processExtensibilityComponents(includeObj,includeEl);
return includeEl;
}
/**
* *********************************************************************
* Element serializeImport(Document doc, XmlSchemaImport importObj,
* XmlSchema schema)throws XmlSchemaSerializerException
*
* Add each of the attribute of XmlSchemaImport obj into import Element
* Then serialize schema that is included by this import. Include the
* serialized schema into document pool.
*
* Parameter:
* doc - Document the parent use.
* includeObj - XmlSchemaInclude that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element object representation of XmlSchemaImport
* **********************************************************************
*/
Element serializeImport(Document doc, XmlSchemaImport importObj,
XmlSchema schema, boolean serializeIncluded)
throws XmlSchemaSerializerException {
Element importEl = createNewElement(doc, "import",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (importObj.namespace != null)
importEl.setAttribute("namespace",
importObj.namespace);
if (importObj.schemaLocation != null && !importObj.schemaLocation.trim().equals(""))
importEl.setAttribute("schemaLocation",
importObj.schemaLocation);
if (importObj.id != null)
importEl.setAttribute("id", importObj.id);
if (importObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
importObj.annotation, schema);
importEl.appendChild(annotation);
}
if (importObj.schema != null && serializeIncluded) {
XmlSchemaSerializer importSeri = new XmlSchemaSerializer();
importSeri.serializeSchemaElement(importObj.schema, serializeIncluded);
docs.addAll(importSeri.docs);
}
//process extension
processExtensibilityComponents(importObj,importEl);
return importEl;
}
/**
* *********************************************************************
* Element serializeRedefine(Document doc, XmlSchemaRedefine redefineObj,
* XmlSchema schema)throws XmlSchemaSerializerException
*
* Add each of the attribute of XmlSchemaImport obj into import Element
* Then serialize schema that is included by this import. Include the
* serialized schema into document pool.
*
* Parameter:
* doc - Document the parent use.
* redefineObj - XmlSchemaInclude that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element object representation of XmlSchemaRedefine
* **********************************************************************
*/
Element serializeRedefine(Document doc, XmlSchemaRedefine redefineObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element redefine = createNewElement(doc, "redefine",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (redefineObj.schemaLocation != null)
redefine.setAttribute("schemaLocation",
redefineObj.schemaLocation);
else
throw new XmlSchemaSerializerException("redefine must have "
+ "schemaLocation fields fill");
if (redefineObj.id != null)
redefine.setAttribute("id", redefineObj.id);
if (redefineObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
redefineObj.annotation, schema);
redefine.appendChild(annotation);
}
int itemsLength = redefineObj.items.getCount();
for (int i = 0; i < itemsLength; i++) {
XmlSchemaObject obj = redefineObj.items.getItem(i);
if (obj instanceof XmlSchemaSimpleType) {
Element simpleType = serializeSimpleType(doc,
(XmlSchemaSimpleType) obj, schema);
redefine.appendChild(simpleType);
} else if (obj instanceof XmlSchemaComplexType) {
Element complexType = serializeComplexType(doc,
(XmlSchemaComplexType) obj, schema);
redefine.appendChild(complexType);
} else if (obj instanceof XmlSchemaGroupRef) {
Element groupRef = serializeGroupRef(doc,
(XmlSchemaGroupRef) obj, schema);
redefine.appendChild(groupRef);
} else if (obj instanceof XmlSchemaGroup) {
Element group = serializeGroup(doc,
(XmlSchemaGroup) obj, schema);
redefine.appendChild(group);
} else if (obj instanceof XmlSchemaAttributeGroup) {
Element attributeGroup = serializeAttributeGroup(doc,
(XmlSchemaAttributeGroup) obj, schema);
redefine.appendChild(attributeGroup);
} else if (obj instanceof XmlSchemaAttributeGroupRef) {
Element attributeGroupRef = serializeAttributeGroupRef(doc,
(XmlSchemaAttributeGroupRef) obj, schema);
redefine.appendChild(attributeGroupRef);
}
}
//process extension
processExtensibilityComponents(redefineObj,redefine);
return redefine;
}
/**
* *********************************************************************
* Element serializeElement(Document doc, XmlSchemaElement elementObj,
* XmlSchema schema) throws XmlSchemaSerializerException
*
* Each member of Element will be appended and pass the element
* created. Element processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* elementObj - XmlSchemaInclude that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element object of element.
* **********************************************************************
*/
Element serializeElement(Document doc, XmlSchemaElement elementObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element serializedEl = createNewElement(doc, "element",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (elementObj.refName != null) {
String resolvedName = resolveQName(elementObj.refName, schema);
serializedEl.setAttribute("ref", resolvedName);
} else if (elementObj.name != null && elementObj.name.length() > 0) {
serializedEl.setAttribute("name",
elementObj.name);
}
if (elementObj.isAbstract)
serializedEl.setAttribute("abstract", "true");
String block = elementObj.block.getValue();
if (!block.equals(Constants.BlockConstants.NONE)) {
block = convertString(block);
serializedEl.setAttribute("block", block);
}
if (elementObj.defaultValue != null)
serializedEl.setAttribute("default",
elementObj.defaultValue);
String finalDerivation = elementObj.finalDerivation.getValue();
if (!finalDerivation.equals(Constants.BlockConstants.NONE)) {
finalDerivation = convertString(finalDerivation);
serializedEl.setAttribute("final",
finalDerivation);
}
if (elementObj.fixedValue != null)
serializedEl.setAttribute("fixed",
elementObj.fixedValue);
String formDef = elementObj.form.getValue();
if (!formDef.equals(XmlSchemaForm.NONE)) {
formDef = convertString(formDef);
serializedEl.setAttribute("form", formDef);
}
if (elementObj.id != null)
serializedEl.setAttribute("id", elementObj.id);
serializeMaxMinOccurs(elementObj, serializedEl);
if (elementObj.substitutionGroup != null) {
String resolvedQName = resolveQName(elementObj.substitutionGroup, schema);
serializedEl.setAttribute("substitutionGroup",
resolvedQName);
}
if (elementObj.schemaTypeName != null) {
String resolvedName = resolveQName(elementObj.schemaTypeName, schema);
serializedEl.setAttribute("type", resolvedName);
}
if (elementObj.annotation != null) {
Element annotationEl = serializeAnnotation(doc,
elementObj.annotation, schema);
serializedEl.appendChild(annotationEl);
}
if (elementObj.schemaType != null && elementObj.schemaTypeName == null) {
if (elementObj.schemaType instanceof XmlSchemaComplexType) {
Element complexType = serializeComplexType(doc,
(XmlSchemaComplexType) elementObj.schemaType, schema);
serializedEl.appendChild(complexType);
} else if (elementObj.schemaType instanceof XmlSchemaSimpleType) {
Element simpleType = serializeSimpleType(doc,
(XmlSchemaSimpleType) elementObj.schemaType, schema);
serializedEl.appendChild(simpleType);
}
}
if (elementObj.constraints.getCount() > 0) {
for (int i = 0; i < elementObj.constraints.getCount(); i++) {
Element constraint = serializeIdentityConstraint(doc,
(XmlSchemaIdentityConstraint) elementObj.constraints.getItem(i),
schema);
serializedEl.appendChild(constraint);
}
}
if (elementObj.isNillable) {
serializedEl.setAttribute("nillable", "true");
}
//process extension
processExtensibilityComponents(elementObj,serializedEl);
return serializedEl;
}
/**
* *********************************************************************
* Element serializeSimpleType(Document doc,
* XmlSchemaSimpleType simpleTypeObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of simple type will be appended and pass the element
* created. Simple type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* simpleTypeObj - XmlSchemaSimpleType that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element object of SimpleType
* **********************************************************************
*/
Element serializeSimpleType(Document doc, XmlSchemaSimpleType simpleTypeObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element serializedSimpleType = createNewElement(doc, "simpleType",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
String tmp;
tmp = simpleTypeObj.finalDerivation.getValue();
if (!tmp.equals(Constants.BlockConstants.NONE)) {
tmp = convertString(tmp);
serializedSimpleType.setAttribute("final", tmp);
}
if (simpleTypeObj.id != null)
serializedSimpleType.setAttribute("id",
simpleTypeObj.id);
if ((simpleTypeObj.name != null) && (!simpleTypeObj.name.equals("")))
serializedSimpleType.setAttribute("name",
simpleTypeObj.name);
if (simpleTypeObj.annotation != null) {
Element annotationEl = serializeAnnotation(doc,
simpleTypeObj.annotation, schema);
serializedSimpleType.appendChild(annotationEl);
}
if (simpleTypeObj.content != null) {
if (simpleTypeObj.content instanceof XmlSchemaSimpleTypeRestriction) {
Element restEl = serializeSimpleTypeRestriction(doc,
(XmlSchemaSimpleTypeRestriction) simpleTypeObj.content,
schema);
serializedSimpleType.appendChild(restEl);
} else if (simpleTypeObj.content instanceof XmlSchemaSimpleTypeList) {
Element listEl = serializeSimpleTypeList(doc,
(XmlSchemaSimpleTypeList) simpleTypeObj.content, schema);
serializedSimpleType.appendChild(listEl);
} else if (simpleTypeObj.content instanceof XmlSchemaSimpleTypeUnion) {
Element unionEl = serializeSimpleTypeUnion(doc,
(XmlSchemaSimpleTypeUnion) simpleTypeObj.content, schema);
serializedSimpleType.appendChild(unionEl);
}/*else
throw new XmlSchemaSerializerException("Invalid type inserted "
+ "in simpleType content, the content is: "
+ simpleTypeObj.content.getClass().getName()
+ " valid content should be XmlSchemaSimpleTypeunion, "
+ "XmlSchemaSimpleTyperestriction or list");*/
}/*else
throw new XmlSchemaSerializerException("simple type must be set "
+ "with content, either union, restriction or list");*/
//process extension
processExtensibilityComponents(simpleTypeObj,serializedSimpleType);
return serializedSimpleType;
}
/**
* *********************************************************************
* Element serializeSimpleTypeRestriction(Document doc,
* XmlSchemaSimpleTypeRestriction restrictionObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of simple type will be appended and pass the element
* created. Simple type's processed according to w3c
* Recommendation May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* restrictionObj - XmlSchemaRestriction that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of simple type restriction and its child.
* **********************************************************************
*/
Element serializeSimpleTypeRestriction(Document doc,
XmlSchemaSimpleTypeRestriction restrictionObj, XmlSchema schema)
throws XmlSchemaSerializerException {
//todo: need to implement any attribute that related to non schema namespace
Element serializedRestriction = createNewElement(doc, "restriction",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (schema.schema_ns_prefix.length() > 0)
serializedRestriction.setPrefix(schema.schema_ns_prefix);
if (restrictionObj.baseTypeName != null) {
String baseType = resolveQName(restrictionObj.baseTypeName, schema);
serializedRestriction.setAttribute("base", baseType);
} else if (restrictionObj.baseType != null && restrictionObj.baseType
instanceof XmlSchemaSimpleType) {
Element inlineSimpleType = serializeSimpleType(doc,
restrictionObj.baseType, schema);
serializedRestriction.appendChild(inlineSimpleType);
} else
throw new XmlSchemaSerializerException("restriction must be define "
+ "with specifying base or inline simpleType");
if (restrictionObj.id != null)
serializedRestriction.setAttribute("id",
restrictionObj.id);
if (restrictionObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
restrictionObj.annotation, schema);
serializedRestriction.appendChild(annotation);
}
if (restrictionObj.facets.getCount() > 0) {
int facetsNum = restrictionObj.facets.getCount();
for (int i = 0; i < facetsNum; i++) {
Element facetEl = serializeFacet(doc,
(XmlSchemaFacet) restrictionObj.facets.getItem(i), schema);
serializedRestriction.appendChild(facetEl);
}
}
//process extension
processExtensibilityComponents(restrictionObj,serializedRestriction);
return serializedRestriction;
}
/**
* *********************************************************************
* Element serializeFacet(Document doc, XmlSchemaFacet facetObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* detect what type of facet and cass appropriatelly,
* construct the element and pass it.
*
* Parameter:
* doc - Document the parent use.
* facetObj - XmlSchemaFacet that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of simple type with facet.
* **********************************************************************
*/
Element serializeFacet(Document doc, XmlSchemaFacet facetObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element serializedFacet;
if (facetObj instanceof XmlSchemaMinExclusiveFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"minExclusive");
else if (facetObj instanceof XmlSchemaMinInclusiveFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"minInclusive");
else if (facetObj instanceof XmlSchemaMaxExclusiveFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"maxExclusive");
else if (facetObj instanceof XmlSchemaMaxInclusiveFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"maxInclusive");
else if (facetObj instanceof XmlSchemaTotalDigitsFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"totalDigits");
else if (facetObj instanceof XmlSchemaFractionDigitsFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"fractionDigits");
else if (facetObj instanceof XmlSchemaLengthFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"length");
else if (facetObj instanceof XmlSchemaMinLengthFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"minLength");
else if (facetObj instanceof XmlSchemaMaxLengthFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"maxLength");
else if (facetObj instanceof XmlSchemaEnumerationFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"enumeration");
else if (facetObj instanceof XmlSchemaWhiteSpaceFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"whiteSpace");
else if (facetObj instanceof XmlSchemaPatternFacet)
serializedFacet = constructFacet(facetObj, doc, schema,
"pattern");
else
throw new XmlSchemaSerializerException("facet not exist "
+ facetObj.getClass().getName());
if (facetObj.id != null)
serializedFacet.setAttribute("id", facetObj.id);
// if (facetObj.annotation != null) {
// Element annotation = serializeAnnotation(doc, facetObj.annotation,
// schema);
// serializedFacet.appendChild(annotation);
// }
//process extension
processExtensibilityComponents(facetObj,serializedFacet);
return serializedFacet;
}
private Element constructFacet(XmlSchemaFacet facetObj, Document doc,
XmlSchema schema, String tagName) {
Element facetEl = createNewElement(doc, tagName,
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
facetEl.setAttribute("value",
facetObj.value.toString());
if (facetObj.fixed)
facetEl.setAttribute("fixed", "true");
if (facetObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
facetObj.annotation, schema);
facetEl.appendChild(annotation);
}
return facetEl;
}
/**
* *********************************************************************
* Element serializeComplexType(Document doc,
* XmlSchemaComplexType complexTypeObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* complexTypeObj - XmlSchemaFacet that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of complexType.
* **********************************************************************
*/
Element serializeComplexType(Document doc,
XmlSchemaComplexType complexTypeObj, XmlSchema schema)
throws XmlSchemaSerializerException {
//todo: need to implement abstract, id, mixed
Element serializedComplexType = createNewElement(doc,
"complexType", schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if ((complexTypeObj.name != null) && (!complexTypeObj.name.equals("")))
serializedComplexType.setAttribute("name",
complexTypeObj.name);
/*if(complexTypeObj.annotation != null){
Element annotationEl = serializeAnnotation(doc,
complexTypeObj.annotation, schema);
serializedComplexType.appendChild(annotationEl);
}*/
if (complexTypeObj.isMixed)
serializedComplexType.setAttribute("mixed", "true");
if (complexTypeObj.isAbstract)
serializedComplexType.setAttribute(
"abstract", "true");
if (complexTypeObj.id != null)
serializedComplexType.setAttribute("id",
complexTypeObj.id);
if (complexTypeObj.annotation != null) {
Element annotationEl = serializeAnnotation(doc,
complexTypeObj.annotation, schema);
serializedComplexType.appendChild(annotationEl);
}
if (complexTypeObj.contentModel instanceof XmlSchemaSimpleContent) {
Element simpleContent = serializeSimpleContent(doc,
(XmlSchemaSimpleContent) complexTypeObj.contentModel, schema);
serializedComplexType.appendChild(simpleContent);
} else if (complexTypeObj.contentModel instanceof
XmlSchemaComplexContent) {
Element complexContent = serializeComplexContent(doc,
(XmlSchemaComplexContent) complexTypeObj.contentModel, schema);
serializedComplexType.appendChild(complexContent);
}
if (complexTypeObj.particle instanceof XmlSchemaSequence) {
Element sequence = serializeSequence(doc,
(XmlSchemaSequence) complexTypeObj.particle, schema);
serializedComplexType.appendChild(sequence);
} else if (complexTypeObj.particle instanceof XmlSchemaChoice) {
Element choice = serializeChoice(doc,
(XmlSchemaChoice) complexTypeObj.particle, schema);
serializedComplexType.appendChild(choice);
} else if (complexTypeObj.particle instanceof XmlSchemaAll) {
Element all = serializeAll(doc,
(XmlSchemaAll) complexTypeObj.particle, schema);
serializedComplexType.appendChild(all);
} else if (complexTypeObj.particle instanceof XmlSchemaGroupRef) {
Element group = serializeGroupRef(doc,
(XmlSchemaGroupRef) complexTypeObj.particle, schema);
serializedComplexType.appendChild(group);
}
String block = complexTypeObj.block.getValue();
if (!block.equals(Constants.BlockConstants.NONE)) {
block = convertString(block);
serializedComplexType.setAttribute(
"block", block);
}
String finalDerivation = complexTypeObj.finalDerivation.getValue();
if (!finalDerivation.equals(Constants.BlockConstants.NONE)) {
finalDerivation = convertString(finalDerivation);
serializedComplexType.setAttribute("final",
finalDerivation);
}
XmlSchemaObjectCollection attrColl = complexTypeObj.attributes;
if (attrColl.getCount() > 0)
setupAttr(doc, attrColl, schema, serializedComplexType);
//process extension
processExtensibilityComponents(complexTypeObj,serializedComplexType);
return serializedComplexType;
}
/**
* *********************************************************************
* Element serializeSequence(Document doc, XmlSchemaSequence sequenceObj,
* XmlSchema schema)throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. `Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* sequenceObj - XmlSchemaFacet that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of sequence particle.
* **********************************************************************
*/
Element serializeSequence(Document doc, XmlSchemaSequence sequenceObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element sequence = createNewElement(doc, "sequence",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (sequenceObj.id != null)
sequence.setAttribute("id", sequenceObj.id);
serializeMaxMinOccurs(sequenceObj, sequence);
XmlSchemaObjectCollection seqColl = sequenceObj.items;
int containLength = seqColl.getCount();
for (int i = 0; i < containLength; i++) {
XmlSchemaObject obj = seqColl.getItem(i);
if (obj instanceof XmlSchemaElement) {
Element el = serializeElement(doc,
(XmlSchemaElement) obj, schema);
sequence.appendChild(el);
} else if (obj instanceof XmlSchemaGroupRef) {
Element group = serializeGroupRef(doc,
(XmlSchemaGroupRef) obj, schema);
sequence.appendChild(group);
} else if (obj instanceof XmlSchemaChoice) {
Element choice = serializeChoice(doc,
(XmlSchemaChoice) obj, schema);
sequence.appendChild(choice);
} else if (obj instanceof XmlSchemaSequence) {
Element sequenceChild = serializeSequence(doc,
(XmlSchemaSequence) obj, schema);
sequence.appendChild(sequenceChild);
} else if (obj instanceof XmlSchemaAny) {
Element any = serializeAny(doc, (XmlSchemaAny) obj, schema);
sequence.appendChild(any);
}
}
//process extension
processExtensibilityComponents(sequenceObj,sequence);
return sequence;
}
/**
* A common method to serialize the max/min occurs
* @param particle
* @param element
*/
private void serializeMaxMinOccurs(XmlSchemaParticle particle,
Element element) {
if (particle.maxOccurs < Long.MAX_VALUE &&
(particle.maxOccurs > 1 || particle.maxOccurs == 0))
element.setAttribute("maxOccurs",
particle.maxOccurs + "");
else if (particle.maxOccurs == Long.MAX_VALUE)
element.setAttribute("maxOccurs",
"unbounded");
//else not serialized
//1 is the default and hence not serialized
//there is no valid case where min occurs can be unbounded!
if (particle.minOccurs > 1 || particle.minOccurs == 0)
element.setAttribute("minOccurs",
particle.minOccurs + "");
}
/**
* *********************************************************************
* Element serializeAttribute(Document doc, XmlSchemaAttribute attributeObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. `Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* attributeObj - XmlSchemaAttribute that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of attribute.
* **********************************************************************
*/
Element serializeAttribute(Document doc, XmlSchemaAttribute attributeObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element attribute = createNewElement(doc, "attribute",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (attributeObj.refName != null) {
String refName =
resolveQName(attributeObj.refName, schema);
attribute.setAttribute("ref", refName);
} else if (attributeObj.name != null)
attribute.setAttribute("name",
attributeObj.name);
if (attributeObj.schemaTypeName != null) {
String typeName =
resolveQName(attributeObj.schemaTypeName, schema);
attribute.setAttribute("type", typeName);
}
if (attributeObj.defaultValue != null)
attribute.setAttribute("default",
attributeObj.defaultValue);
if (attributeObj.fixedValue != null)
attribute.setAttribute("fixed",
attributeObj.fixedValue);
String formType = attributeObj.form.getValue();
if (!formType.equals(XmlSchemaForm.NONE)) {
formType = convertString(formType);
attribute.setAttribute("form", formType);
}
if (attributeObj.id != null)
attribute.setAttribute("id", attributeObj.id);
String useType = attributeObj.use.getValue();
if (!useType.equals(Constants.BlockConstants.NONE)) {
useType = convertString(useType);
attribute.setAttribute("use", useType);
}
if (attributeObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
attributeObj.annotation, schema);
attribute.appendChild(annotation);
}
if (attributeObj.schemaType != null) {
try {
XmlSchemaSimpleType simpleType =
attributeObj.schemaType;
Element simpleTypeEl = serializeSimpleType(doc,
simpleType, schema);
attribute.appendChild(simpleTypeEl);
} catch (ClassCastException e) {
throw new XmlSchemaSerializerException("only inline simple type allow as attribute's inline type");
}
}
Attr[] unhandled = attributeObj.getUnhandledAttributes();
Hashtable namespaces = new Hashtable();
if (unhandled != null) {
// this is to make the wsdl:arrayType work
// since unhandles attributes are not handled this is a special case
// but the basic idea is to see if there is any attibute whose value has ":"
// if it is present then it is likely that it is a namespace prefix
// do what is neccesary to get the real namespace for it and make
// required changes to the prefix
for (int i = 0; i < unhandled.length; i++) {
String name = unhandled[i].getNodeName();
String value = unhandled[i].getNodeValue();
if (name.equals("xmlns")) {
namespaces.put("", value);
} else if (name.startsWith("xmlns")) {
namespaces.put(name.substring(name.indexOf(":") + 1), value);
}
}
for (int i = 0; i < unhandled.length; i++) {
String value = unhandled[i].getNodeValue();
String nodeName = unhandled[i].getNodeName();
if (value.indexOf(":") > -1 && !nodeName.startsWith("xmlns")) {
String prefix = value.substring(0, value.indexOf(":"));
String oldNamespace;
if ((oldNamespace = (String) namespaces.get(prefix)) != null) {
value = value.substring(value.indexOf(":") + 1);
NamespacePrefixList ctx = schema.getNamespaceContext();
String[] prefixes = ctx.getDeclaredPrefixes();
for (int j = 0; j < prefixes.length; j++) {
String pref = prefixes[j];
String uri = ctx.getNamespaceURI(pref);
if (uri.equals(oldNamespace)) {
value = prefix + ":" + value;
}
}
}
}
if (unhandled[i].getNamespaceURI() != null)
attribute.setAttributeNS(unhandled[i].getNamespaceURI(), nodeName, value);
else
attribute.setAttribute(nodeName, value);
}
}
//process extension
processExtensibilityComponents(attributeObj,attribute);
return attribute;
}
/**
* *********************************************************************
* Element serializeChoice(Document doc, XmlSchemaChoice choiceObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* choiceObj - XmlSchemaChoice that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of choice schema object.
* **********************************************************************
*/
Element serializeChoice(Document doc, XmlSchemaChoice choiceObj,
XmlSchema schema) throws XmlSchemaSerializerException {
//todo: handle any non schema attri ?
Element choice = createNewElement(doc, "choice",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (choiceObj.id != null)
if (choiceObj.id.length() > 0)
choice.setAttribute("id", choiceObj.id);
serializeMaxMinOccurs(choiceObj, choice);
/*
if(choiceObj.maxOccursString != null)
choice.setAttribute("maxOccurs",
choiceObj.maxOccursString);
else if(choiceObj.maxOccurs > 1)
choice.setAttribute("maxOccurs",
choiceObj.maxOccurs +"");
*/
if (choiceObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
choiceObj.annotation, schema);
choice.appendChild(annotation);
}
XmlSchemaObjectCollection itemColl = choiceObj.items;
if (itemColl != null) {
int itemLength = itemColl.getCount();
for (int i = 0; i < itemLength; i++) {
XmlSchemaObject obj = itemColl.getItem(i);
if (obj instanceof XmlSchemaElement) {
Element el = serializeElement(doc,
(XmlSchemaElement) obj, schema);
choice.appendChild(el);
} else if (obj instanceof XmlSchemaGroupRef) {
Element group = serializeGroupRef(doc,
(XmlSchemaGroupRef) obj, schema);
choice.appendChild(group);
} else if (obj instanceof XmlSchemaChoice) {
Element inlineChoice = serializeChoice(doc,
(XmlSchemaChoice) obj, schema);
choice.appendChild(inlineChoice);
} else if (obj instanceof XmlSchemaSequence) {
Element inlineSequence = serializeSequence(doc,
(XmlSchemaSequence) obj, schema);
choice.appendChild(inlineSequence);
} else if (obj instanceof XmlSchemaAny) {
Element any = serializeAny(doc, (XmlSchemaAny) obj, schema);
choice.appendChild(any);
}
}
}
//process extension
processExtensibilityComponents(choiceObj,choice);
return choice;
}
/**
* *********************************************************************
* Element serializeAll(Document doc, XmlSchemaAll allObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* allObj - XmlSchemaAll that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of particle all.
* **********************************************************************
*/
Element serializeAll(Document doc, XmlSchemaAll allObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element allEl = createNewElement(doc, "all", schema.schema_ns_prefix,
XmlSchema.SCHEMA_NS);
serializeMaxMinOccurs(allObj, allEl);
if (allObj.annotation != null) {
Element annotation = serializeAnnotation(doc, allObj.annotation,
schema);
allEl.appendChild(annotation);
}
XmlSchemaObjectCollection itemColl = allObj.items;
if (itemColl != null) {
int itemLength = itemColl.getCount();
for (int i = 0; i < itemLength; i++) {
XmlSchemaObject obj = itemColl.getItem(i);
if (obj instanceof XmlSchemaElement) {
Element el = serializeElement(doc, (XmlSchemaElement) obj,
schema);
allEl.appendChild(el);
} else
throw new XmlSchemaSerializerException("Only element "
+ "allowed as child of all model type");
}
}
//process extension
processExtensibilityComponents(allObj,allEl);
return allEl;
}
/**
* *********************************************************************
* Element serializeSimpleTypeList(Document doc,
* XmlSchemaSimpleTypeList listObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* listObj - XmlSchemaSimpleTypeList that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of simple type with list method.
* **********************************************************************
*/
Element serializeSimpleTypeList(Document doc,
XmlSchemaSimpleTypeList listObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element list = createNewElement(doc, "list",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (listObj.itemTypeName != null) {
String listItemType = resolveQName(listObj.itemTypeName,
schema);
list.setAttribute("itemType", listItemType);
}
if (listObj.id != null)
list.setAttribute("id", listObj.id);
else if (listObj.itemType != null) {
Element inlineSimpleEl = serializeSimpleType(doc, listObj.itemType,
schema);
list.appendChild(inlineSimpleEl);
}
if (listObj.annotation != null) {
Element annotation = serializeAnnotation(doc, listObj.annotation, schema);
list.appendChild(annotation);
}
//process extension
processExtensibilityComponents(listObj,list);
return list;
}
/**
* *********************************************************************
* Element serializeSimpleTypeUnion(Document doc,
* XmlSchemaSimpleTypeUnion unionObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* unionObj - XmlSchemaSimpleTypeUnion that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of simple type with union method.
* **********************************************************************
*/
Element serializeSimpleTypeUnion(Document doc,
XmlSchemaSimpleTypeUnion unionObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element union = createNewElement(doc, "union",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (unionObj.id != null)
union.setAttribute("id", unionObj.id);
if (unionObj.memberTypesSource != null)
union.setAttribute("memberTypes",
unionObj.memberTypesSource);
if (unionObj.baseTypes.getCount() > 0) {
int baseTypesLength = unionObj.baseTypes.getCount();
Element baseType;
for (int i = 0; i < baseTypesLength; i++) {
try {
baseType = serializeSimpleType(doc,
(XmlSchemaSimpleType) unionObj.baseTypes.getItem(i),
schema);
union.appendChild(baseType);
} catch (ClassCastException e) {
throw new XmlSchemaSerializerException("only inline simple type allow as attribute's "
+ "inline type");
}
}
}
if (unionObj.annotation != null) {
Element annotation = serializeAnnotation(doc, unionObj.annotation,
schema);
union.appendChild(annotation);
}
//process extension
processExtensibilityComponents(unionObj,union);
return union;
}
/**
* *********************************************************************
* Element serializeAny(Document doc, XmlSchemaAny anyObj, XmlSchema schema)
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* anyObj - XmlSchemaAny that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of any that is part of its parent.
* **********************************************************************
*/
Element serializeAny(Document doc, XmlSchemaAny anyObj, XmlSchema schema) {
Element anyEl = createNewElement(doc, "any", schema.schema_ns_prefix,
XmlSchema.SCHEMA_NS);
if (anyObj.id != null)
if (anyObj.id.length() > 0)
anyEl.setAttribute("id", anyObj.id);
serializeMaxMinOccurs(anyObj, anyEl);
if (anyObj.namespace != null)
anyEl.setAttribute("namespace",
anyObj.namespace);
if (anyObj.processContent != null) {
String value = anyObj.processContent.getValue();
if (!value.equals(Constants.BlockConstants.NONE)) {
String processContent = convertString(value);
anyEl.setAttribute("processContents",
processContent);
}
}
if (anyObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
anyObj.annotation, schema);
anyEl.appendChild(annotation);
}
//process extension
processExtensibilityComponents(anyObj,anyEl);
return anyEl;
}
/**
* *********************************************************************
* Element serializeGroup(Document doc, XmlSchemaGroup groupObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* groupObj - XmlSchemaGroup that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of group elements.
* **********************************************************************
*/
Element serializeGroup(Document doc, XmlSchemaGroup groupObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element group = createNewElement(doc, "group",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (groupObj.name != null) {
String grpName = groupObj.name.getLocalPart();
if (grpName.length() > 0) {
group.setAttribute("name", grpName);
}
} else
throw new XmlSchemaSerializerException("Group must have " +
"name or ref");
/* annotations are supposed to be written first!!!!! */
if (groupObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
groupObj.annotation, schema);
group.appendChild(annotation);
}
if (groupObj.particle instanceof XmlSchemaSequence) {
Element sequence = serializeSequence(doc,
(XmlSchemaSequence) groupObj.particle, schema);
group.appendChild(sequence);
} else if (groupObj.particle instanceof XmlSchemaChoice) {
Element choice = serializeChoice(doc,
(XmlSchemaChoice) groupObj.particle, schema);
group.appendChild(choice);
} else if (groupObj.particle instanceof XmlSchemaAll) {
Element all = serializeAll(doc,
(XmlSchemaAll) groupObj.particle, schema);
group.appendChild(all);
}
//process extension
processExtensibilityComponents(groupObj,group);
return group;
}
/**
* *********************************************************************
* Element serializeGroupRef(Document doc, XmlSchemaGroupRef groupRefObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* groupRefObj - XmlSchemaGroupRef that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of group elements ref inside its parent.
* **********************************************************************
*/
Element serializeGroupRef(Document doc, XmlSchemaGroupRef groupRefObj,
XmlSchema schema) throws XmlSchemaSerializerException {
Element groupRef = createNewElement(doc, "group",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (groupRefObj.refName != null) {
String groupRefName = resolveQName(groupRefObj.refName,
schema);
groupRef.setAttribute("ref", groupRefName);
} else
throw new XmlSchemaSerializerException("Group must have name or ref");
serializeMaxMinOccurs(groupRefObj, groupRef);
if (groupRefObj.particle != null) {
if (groupRefObj.particle instanceof XmlSchemaChoice)
serializeChoice(doc, (XmlSchemaChoice) groupRefObj.particle, schema);
else if (groupRefObj.particle instanceof XmlSchemaSequence)
serializeSequence(doc,(XmlSchemaSequence) groupRefObj.particle, schema);
else if (groupRefObj.particle instanceof XmlSchemaAll)
serializeAll(doc,(XmlSchemaAll) groupRefObj.particle, schema);
else
throw new XmlSchemaSerializerException("The content of group "
+ "ref particle should be"
+ " sequence, choice or all reference: "
+ "www.w3.org/TR/xmlschema-1#element-group-3.7.2");
}
if (groupRefObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
groupRefObj.annotation, schema);
groupRef.appendChild(annotation);
}
//process extension
processExtensibilityComponents(groupRefObj,groupRef);
return groupRef;
}
/**
* *********************************************************************
* Element serializeSimpleContent(Document doc,
* XmlSchemaSimpleContent simpleContentObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* simpleContentObj - XmlSchemaSimpleContent that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of complex type simple content.
* **********************************************************************
*/
Element serializeSimpleContent(Document doc,
XmlSchemaSimpleContent simpleContentObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element simpleContent = createNewElement(doc, "simpleContent",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
Element content;
if (simpleContentObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
simpleContentObj.annotation, schema);
simpleContent.appendChild(annotation);
}
if (simpleContentObj.content instanceof
XmlSchemaSimpleContentRestriction)
content = serializeSimpleContentRestriction(doc,
(XmlSchemaSimpleContentRestriction) simpleContentObj.content,
schema);
else if (simpleContentObj.content instanceof
XmlSchemaSimpleContentExtension)
content = serializeSimpleContentExtension(doc,
(XmlSchemaSimpleContentExtension) simpleContentObj.content,
schema);
else
throw new XmlSchemaSerializerException("content of simple content "
+ "must be restriction or extension");
simpleContent.appendChild(content);
//process extension
processExtensibilityComponents(simpleContentObj,simpleContent);
return simpleContent;
}
/**
* *********************************************************************
* Element serializeComplexContent(Document doc,
* XmlSchemaComplexContent complexContentObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* complexContentObj - XmlSchemaComplexContent that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of complex type complex content.
* **********************************************************************
*/
Element serializeComplexContent(Document doc,
XmlSchemaComplexContent complexContentObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element complexContent = createNewElement(doc, "complexContent",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
if (complexContentObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
complexContentObj.annotation, schema);
complexContent.appendChild(annotation);
}
if (complexContentObj.mixed)
complexContent.setAttribute("mixed", "true");
if (complexContentObj.id != null)
complexContent.setAttribute("id",
complexContentObj.id);
Element content;
if (complexContentObj.content instanceof
XmlSchemaComplexContentRestriction)
content = serializeComplexContentRestriction(doc,
(XmlSchemaComplexContentRestriction) complexContentObj.content,
schema);
else if (complexContentObj.content instanceof
XmlSchemaComplexContentExtension)
content = serializeComplexContentExtension(doc,
(XmlSchemaComplexContentExtension) complexContentObj.content,
schema);
else
throw new XmlSchemaSerializerException("content of complexContent "
+ "must be restriction or extension");
complexContent.appendChild(content);
//process extension
processExtensibilityComponents(complexContentObj,complexContent);
return complexContent;
}
/**
* *********************************************************************
* Element serializeIdentityConstraint(Document doc,
* XmlSchemaIdentityConstraint constraintObj, XmlSchema schema)
* throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* constraintObj - XmlSchemaIdentityConstraint that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of key, keyref or unique that part of its parent.
* **********************************************************************
*/
Element serializeIdentityConstraint(Document doc,
XmlSchemaIdentityConstraint constraintObj, XmlSchema schema)
throws XmlSchemaSerializerException {
Element constraint;
if (constraintObj instanceof XmlSchemaUnique)
constraint = createNewElement(doc, "unique",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
else if (constraintObj instanceof XmlSchemaKey)
constraint = createNewElement(doc, "key",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
else if (constraintObj instanceof XmlSchemaKeyref) {
constraint = createNewElement(doc, "keyref",
schema.schema_ns_prefix, XmlSchema.SCHEMA_NS);
XmlSchemaKeyref keyref = (XmlSchemaKeyref) constraintObj;
if (keyref.refer != null) {
String keyrefStr = resolveQName(keyref.refer, schema);
constraint.setAttribute(
"refer", keyrefStr);
}
} else
throw new XmlSchemaSerializerException("not valid identity "
+ "constraint");
if (constraintObj.name != null)
constraint.setAttribute("name",
constraintObj.name);
if (constraintObj.annotation != null) {
Element annotation = serializeAnnotation(doc,
constraintObj.annotation, schema);
constraint.appendChild(annotation);
}
if (constraintObj.selector != null) {
Element selector = serializeSelector(doc,
constraintObj.selector, schema);
constraint.appendChild(selector);
}
XmlSchemaObjectCollection fieldColl = constraintObj.fields;
if (fieldColl != null) {
int fieldLength = fieldColl.getCount();
for (int i = 0; i < fieldLength; i++) {
Element field = serializeField(doc,
(XmlSchemaXPath) fieldColl.getItem(i), schema);
constraint.appendChild(field);
}
}
//process extension
processExtensibilityComponents(constraintObj,constraint);
return constraint;
}
/**
* *********************************************************************
* Element serializeSelector(Document doc, XmlSchemaXPath selectorObj,
* XmlSchema schema) throws XmlSchemaSerializerException{
*
* Each member of complex type will be appended and pass the element
* created. Complex type processed according to w3c Recommendation
* May 2 2001.
*
* Parameter:
* doc - Document the parent use.
* selectorObj - XmlSchemaXPath that will be serialized.
* schema - Schema Document object of the parent.
*
* Return:
* Element of selector with collection of xpath as its attrib. The selector
* itself is the part of identity type. eg
* element
* @param names
* @param schemaObj
* @return resolved QName of the string
*/
private String resolveQName(QName names,
XmlSchema schemaObj) {
String namespace = names.getNamespaceURI();
String type[] = getParts(names.getLocalPart());
String typeName = (type.length > 1) ? type[1] : type[0];
String prefixStr;
// If the namespace is "" then the prefix is also ""
Object prefix = ("".equals(namespace)) ? "" : schema_ns.get(namespace);
if (prefix == null) {
if (Constants.XMLNS_URI.equals(namespace)) {
prefix = Constants.XMLNS_PREFIX;
} else {
int magicNumber = 0;
Collection prefixes = schema_ns.values();
while(prefixes.contains("ns" + magicNumber)){
magicNumber++;
}
prefix = "ns" + magicNumber;
schema_ns.put(namespace, prefix);
//setting xmlns in schema
schemaElement.setAttributeNS(XMLNS_NAMESPACE_URI,
"xmlns:" + prefix.toString(), namespace);
}
}
prefixStr = prefix.toString();
prefixStr = (prefixStr.trim().length() > 0) ? prefixStr + ":" : "";
return prefixStr + typeName;
}
//for each collection if it is an attribute serialize attribute and
//append that child to container element.
void setupAttr(Document doc, XmlSchemaObjectCollection collectionObj,
XmlSchema schema, Element container) throws XmlSchemaSerializerException {
int collectionLength = collectionObj.getCount();
for (int i = 0; i < collectionLength; i++) {
XmlSchemaObject obj = collectionObj.getItem(i);
if (obj instanceof XmlSchemaAttribute) {
XmlSchemaAttribute attr = (XmlSchemaAttribute) obj;
Element attrEl = serializeAttribute(doc, attr, schema);
container.appendChild(attrEl);
} else if (obj instanceof XmlSchemaAttributeGroupRef) {
XmlSchemaAttributeGroupRef attr = (XmlSchemaAttributeGroupRef) obj;
Element attrEl = serializeAttributeGroupRef(doc, attr, schema);
container.appendChild(attrEl);
}
}
}
public static class XmlSchemaSerializerException extends Exception {
/**
*
*/
private static final long serialVersionUID = 1L;
public XmlSchemaSerializerException(String msg) {
super(msg);
}
}
/**
* A generic method to process the extra attributes and the the extra
* elements present within the schema.
* What are considered extensions are child elements with non schema namespace
* and child attributes with any namespace
* @param schemaObject
* @param parentElement
*/
private void processExtensibilityComponents(XmlSchemaObject schemaObject,Element parentElement){
if (extReg!=null){
Map metaInfoMap = schemaObject.getMetaInfoMap();
if (metaInfoMap!=null && !metaInfoMap.isEmpty()) {
//get the extra objects and call the respective deserializers
Iterator keysIt = metaInfoMap.keySet().iterator();
while (keysIt.hasNext()) {
Object key = keysIt.next();
extReg.serializeExtension(schemaObject,metaInfoMap.get(key).getClass(),parentElement);
}
}
}
}
}
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