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/*
* 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.tuscany.sca.interfacedef.wsdl.xml;
import java.io.PrintWriter;
import javax.wsdl.Definition;
import javax.wsdl.WSDLException;
import javax.wsdl.extensions.ExtensibilityElement;
import javax.wsdl.extensions.ExtensionDeserializer;
import javax.wsdl.extensions.ExtensionRegistry;
import javax.wsdl.extensions.ExtensionSerializer;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.interfacedef.wsdl.RequiresExt;
import org.w3c.dom.Element;
/**
* A WSDL extension processor for extension policy elements of the form:
*
* <sca:requires intents="sca:SOAP.v1_1"/>
*
*/
public class PolicyExtensionHandler implements ExtensionSerializer, ExtensionDeserializer {
/**
* Marshals the requires extension element to XML
* See (@link javax.wsdl.extensions.ExtensionSerializer)
*/
@SuppressWarnings("unchecked")
public void marshall(Class parentType,
QName elementType,
ExtensibilityElement theElement,
PrintWriter writer,
Definition def,
ExtensionRegistry extReg)
throws WSDLException {
RequiresExt requires = (RequiresExt) theElement;
QName theType = requires.getElementType();
writer.println("<" + theType.toString() +
" intents=\"");
for(QName intentName : requires.getIntents()){
writer.println(intentName + " ");
}
writer.println("\">");
}
/**
* Unmarshals the requires extension element from XML
*/
@SuppressWarnings("unchecked")
public ExtensibilityElement unmarshall(Class theClass,
QName elementType,
Element theElement,
Definition def,
ExtensionRegistry extReg)
throws WSDLException {
// Check that this elementType really is a requires element
if( !elementType.getLocalPart().equals("requires") ){
return null;
}
RequiresExt requires = new RequiresExt();
requires.setElementType(elementType);
String intents = theElement.getAttribute("intents");
String[] intentArray = intents.split(" +");
for (int i=0; i < intentArray.length; i++){
String intentNameString = intentArray[i];
QName intentQName = getQNameValue( def, intentNameString);
requires.getIntents().add(intentQName);
}
return requires;
}
/**
* Returns a QName from a string.
* @param definition - a WSDL Definition
* @param value - the String from which to form the QName in the form "pref:localName"
* @return
*/
protected QName getQNameValue(Definition definition, String value) {
if (value != null && definition != null) {
int index = value.indexOf(':');
String prefix = index == -1 ? "" : value.substring(0, index);
String localName = index == -1 ? value : value.substring(index + 1);
String ns = definition.getNamespace(prefix);
if (ns == null) {
ns = "";
}
return new QName(ns, localName, prefix);
} else {
return null;
}
}
}
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