/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* 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.switchyard.quickstarts.soap.binding.rpc;
import java.io.StringReader;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.stream.StreamSource;
import org.switchyard.annotations.Transformer;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
public class ServiceTransformers {
private static String SOAP_RESPONSE_TEMPLATE =
"<ns2:sayHelloResponse xmlns:ns2=\"urn:switchyard-quickstart:soap-binding-rpc:1.0\">"
+ " <return>%s</return>"
+ "</ns2:sayHelloResponse>";
private static String SOAP_TEMPLATE_EXTERNAL =
"<ns2:sayHello xmlns:ns2=\"urn:switchyard-quickstart:external:1.0\">"
+ " <toWhom>%s</toWhom>"
+ " <language>%s</language>"
+ " <day>%s</day>"
+ "</ns2:sayHello>";
private static String SOAP_RESPONSE_TEMPLATE_EXTERNAL =
"<ns2:sayHelloResponse xmlns:ns2=\"urn:switchyard-quickstart:external:1.0\">"
+ " <return>%s</return>"
+ "</ns2:sayHelloResponse>";
// Taken care of by JAXB annotations
/*@Transformer(to = "{urn:switchyard-quickstart:soap-binding-rpc:1.0}sayHello")
public Element transform(SayHello wrapper) throws Exception {
return toElement(String.format(SOAP_TEMPLATE, wrapper.getToWhom(), wrapper.getLanguage()));
}*/
@Transformer(to = "{urn:switchyard-quickstart:external:1.0}sayHello")
public Element transformExternal(SayHello wrapper) throws Exception {
return toElement(String.format(SOAP_TEMPLATE_EXTERNAL, wrapper.getToWhom(), wrapper.getLanguage(), "Sunday"));
}
@Transformer(from = "{urn:switchyard-quickstart:soap-binding-rpc:1.0}sayHello")
public SayHello transform(Element soap) throws Exception {
SayHello wrapper = new SayHello();
wrapper.setToWhom(getElementValue(soap, "toWhom"));
wrapper.setLanguage(getElementValue(soap, "language"));
return wrapper;
}
@Transformer(from = "{urn:switchyard-quickstart:external:1.0}sayHello")
public SayHelloExternal transformExternalRequest(Element soap) throws Exception {
SayHelloExternal wrapper = new SayHelloExternal();
wrapper.setToWhom(getElementValue(soap, "toWhom"));
wrapper.setLanguage(getElementValue(soap, "language"));
wrapper.setDay(getElementValue(soap, "day"));
return wrapper;
}
@Transformer(to = "{urn:switchyard-quickstart:soap-binding-rpc:1.0}sayHelloResponse")
public Element transformInternalResponse(String response) throws Exception {
return toElement(String.format(SOAP_RESPONSE_TEMPLATE, response));
}
@Transformer(to = "{urn:switchyard-quickstart:external:1.0}sayHelloResponse")
public Element transformExternalResponse(String response) throws Exception {
return toElement(String.format(SOAP_RESPONSE_TEMPLATE_EXTERNAL, response));
}
@Transformer(from = "{urn:switchyard-quickstart:external:1.0}sayHelloResponse")
public String transformExternalResponse(Element soap) throws Exception {
return getElementValue(soap, "return");
}
private String getElementValue(Element parent, String elementName) {
String value = null;
NodeList nodes = parent.getElementsByTagName(elementName);
if (nodes.getLength() > 0) {
value = nodes.item(0).getChildNodes().item(0).getNodeValue();
}
return value;
}
private Element toElement(String xml) {
DOMResult dom = new DOMResult();
try {
TransformerFactory.newInstance().newTransformer().transform(new StreamSource(new StringReader(xml)), dom);
} catch (Exception e) {
e.printStackTrace();
}
return ((Document) dom.getNode()).getDocumentElement();
}
}