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Apache CXF Runtime Core for WSDL Based Technologies
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.wsdl11;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.IdentityHashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.wsdl.Definition;
import javax.wsdl.Import;
import javax.wsdl.Types;
import javax.wsdl.extensions.UnknownExtensibilityElement;
import javax.wsdl.extensions.schema.Schema;
import javax.wsdl.extensions.schema.SchemaImport;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.apache.cxf.Bus;
import org.apache.cxf.catalog.CatalogXmlSchemaURIResolver;
import org.apache.cxf.common.xmlschema.SchemaCollection;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.service.model.SchemaInfo;
import org.apache.cxf.service.model.ServiceInfo;
import org.apache.ws.commons.schema.XmlSchema;
import static org.apache.cxf.helpers.CastUtils.cast;
public final class SchemaUtil {
private final Map schemaList;
private final Map catalogResolved = new HashMap<>();
private final Bus bus;
public SchemaUtil(final Bus b, final Map s) {
this.bus = b;
this.schemaList = s;
}
public void getSchemas(final Definition def, final ServiceInfo serviceInfo) {
SchemaCollection schemaCol = serviceInfo.getXmlSchemaCollection();
getSchemas(def, schemaCol, serviceInfo);
}
public void getSchemas(final Definition def,
SchemaCollection schemaCol,
ServiceInfo serviceInfo) {
getSchemas(def, schemaCol, serviceInfo.getSchemas());
}
public void getSchemas(final Definition def,
final SchemaCollection schemaCol,
List schemas) {
List defList = new ArrayList<>();
parseImports(def, defList);
extractSchema(def, schemaCol, schemas);
// added
getSchemaList(def);
Map done = new IdentityHashMap<>();
done.put(def, def);
for (Definition def2 : defList) {
if (!done.containsKey(def2)) {
extractSchema(def2, schemaCol, schemas);
// added
getSchemaList(def2);
done.put(def2, def2);
}
}
}
private void extractSchema(Definition def, SchemaCollection schemaCol, List schemaInfos) {
Types typesElement = def.getTypes();
if (typesElement != null) {
int schemaCount = 1;
for (Object obj : typesElement.getExtensibilityElements()) {
org.w3c.dom.Element schemaElem = null;
if (obj instanceof Schema) {
Schema schema = (Schema)obj;
schemaElem = schema.getElement();
} else if (obj instanceof UnknownExtensibilityElement) {
org.w3c.dom.Element elem = ((UnknownExtensibilityElement)obj).getElement();
synchronized (elem.getOwnerDocument()) {
if ("schema".equals(elem.getLocalName())) {
schemaElem = elem;
}
}
}
if (schemaElem != null) {
synchronized (schemaElem.getOwnerDocument()) {
for (Object prefix : def.getNamespaces().keySet()) {
String ns = (String)def.getNamespaces().get(prefix);
if ("".equals(prefix)) {
if (!schemaElem.hasAttribute("xmlns")) {
Attr attr =
schemaElem.getOwnerDocument()
.createAttributeNS(javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI,
"xmlns");
attr.setValue(ns);
schemaElem.setAttributeNodeNS(attr);
}
} else if (!schemaElem.hasAttribute("xmlns:" + prefix)) {
String namespace = javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI;
Attr attr =
schemaElem.getOwnerDocument().createAttributeNS(namespace,
"xmlns:" + prefix);
attr.setValue(ns);
schemaElem.setAttributeNodeNS(attr);
}
}
String systemId = def.getDocumentBaseURI() + "#types" + schemaCount;
String suffix = ".xsd";
String baseURI = def.getDocumentBaseURI();
if (baseURI != null && baseURI.regionMatches(
true, baseURI.length() - suffix.length(), suffix, 0, suffix.length())
&& def.getTargetNamespace() == null
&& obj instanceof Schema
&& baseURI.equals(((Schema)obj).getDocumentBaseURI())) {
systemId = baseURI;
}
schemaCol.setBaseUri(def.getDocumentBaseURI());
CatalogXmlSchemaURIResolver schemaResolver =
new CatalogXmlSchemaURIResolver(bus);
schemaCol.setSchemaResolver(schemaResolver);
XmlSchema xmlSchema = schemaCol.read(schemaElem, systemId);
catalogResolved.putAll(schemaResolver.getResolvedMap());
SchemaInfo schemaInfo = new SchemaInfo(xmlSchema.getTargetNamespace());
schemaInfo.setSchema(xmlSchema);
schemaInfo.setSystemId(systemId);
schemaInfo.setElement(schemaElem);
schemaInfos.add(schemaInfo);
schemaCount++;
}
}
}
}
}
private void parseImports(Definition def, List defList) {
List importList = new ArrayList<>();
Collection> ilist = cast(def.getImports().values());
for (List list : ilist) {
importList.addAll(list);
}
for (Import impt : importList) {
if (!defList.contains(impt.getDefinition())) {
defList.add(impt.getDefinition());
parseImports(impt.getDefinition(), defList);
}
}
}
// Workaround for getting the elements
private void getSchemaList(Definition def) {
Types typesElement = def.getTypes();
if (typesElement != null) {
Iterator ite = typesElement.getExtensibilityElements().iterator();
while (ite.hasNext()) {
Object obj = ite.next();
if (obj instanceof Schema) {
Schema schema = (Schema)obj;
addSchema(schema.getDocumentBaseURI(), schema);
}
}
}
}
private void addSchema(String docBaseURI, Schema schema) {
//String docBaseURI = schema.getDocumentBaseURI();
Element schemaEle = schema.getElement();
if (schemaList.get(docBaseURI) == null) {
schemaList.put(docBaseURI, schemaEle);
} else if (schemaList.get(docBaseURI) != null && schemaList.containsValue(schemaEle)) {
// do nothing
} else {
String tns = schema.getDocumentBaseURI() + "#"
+ schema.getElement().getAttribute("targetNamespace");
if (schemaList.get(tns) == null) {
schemaList.put(tns, schema.getElement());
}
}
Map> imports = CastUtils.cast(schema.getImports());
if (imports != null && !imports.isEmpty()) {
for (Map.Entry> entry : imports.entrySet()) {
String importNamespace = entry.getKey();
List schemaImports = CastUtils.cast(entry.getValue());
for (SchemaImport schemaImport : schemaImports) {
Schema tempImport = schemaImport.getReferencedSchema();
String key = schemaImport.getSchemaLocationURI();
if (importNamespace == null && tempImport != null) {
importNamespace = tempImport.getDocumentBaseURI();
}
if (tempImport != null && !catalogResolved.containsKey(key)) {
key = tempImport.getDocumentBaseURI();
}
if (tempImport != null
&& !isSchemaParsed(key, importNamespace)
&& !schemaList.containsValue(tempImport.getElement())) {
addSchema(key, tempImport);
}
}
}
}
}
private boolean isSchemaParsed(String baseUri, String ns) {
if (schemaList.get(baseUri) != null) {
Element ele = schemaList.get(baseUri);
String tns = ele.getAttribute("targetNamespace");
if (ns.equals(tns)) {
return true;
}
}
return false;
}
}