/*
* 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.mtom;
import java.awt.Image;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
import javax.imageio.ImageIO;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.stream.StreamSource;
import org.switchyard.annotations.Transformer;
import org.switchyard.common.codec.Base64;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class ServiceTransformers {
private static String SOAP_RESPONSE_TEMPLATE =
"<imageResponse xmlns=\"urn:switchyard-quickstart:soap-mtom:1.0\">"
+ "<xop:Include xmlns:xop=\"http://www.w3.org/2004/08/xop/include\" href=\"cid:%s\"/>"
+ "</imageResponse>";
private static String SOAP_EXTERNAL_REQUEST_TEMPLATE =
"<ns2:image xmlns:ns2=\"urn:switchyard-quickstart:soap-mtom-external:1.0\">"
+ "<xop:Include xmlns:xop=\"http://www.w3.org/2004/08/xop/include\" href=\"cid:%s\"/>"
+ "</ns2:image>";
private static String SOAP_EXTERNAL_RESPONSE_TEMPLATE =
"<ns2:imageResponse xmlns:ns2=\"urn:switchyard-quickstart:soap-mtom-external:1.0\">"
+ "<xop:Include xmlns:xop=\"http://www.w3.org/2004/08/xop/include\" href=\"cid:%s\"/>"
+ "</ns2:imageResponse>";
@Transformer(from = "{urn:switchyard-quickstart:soap-mtom:1.0}image")
public Image transformInternalRequest(Element soap) throws Exception {
String imageString = soap.getTextContent();
return ImageIO.read(new ByteArrayInputStream(Base64.decode(imageString)));
}
@Transformer(to = "{urn:switchyard-quickstart:soap-mtom-external:1.0}image")
public Element transformInternaltoExternalRequest(String imageName) throws Exception {
return toElement(String.format(SOAP_EXTERNAL_REQUEST_TEMPLATE, imageName));
}
@Transformer(from = "{urn:switchyard-quickstart:soap-mtom-external:1.0}image")
public Image transformExternalRequest(Element soap) throws Exception {
String imageString = soap.getTextContent();
return ImageIO.read(new ByteArrayInputStream(Base64.decode(imageString)));
}
@Transformer(to = "{urn:switchyard-quickstart:soap-mtom-external:1.0}imageResponse")
public Element transformExternaltoInternalResponse(String imageName) throws Exception {
return toElement(String.format(SOAP_EXTERNAL_RESPONSE_TEMPLATE, imageName));
}
@Transformer(from = "{urn:switchyard-quickstart:soap-mtom-external:1.0}imageResponse")
public Image transformExternalResponse(Element soap) throws Exception {
String imageString = soap.getTextContent();
return ImageIO.read(new ByteArrayInputStream(Base64.decode(imageString)));
}
@Transformer(to = "{urn:switchyard-quickstart:soap-mtom:1.0}imageResponse")
public Element transformInternalResponse(String imageName) throws Exception {
return toElement(String.format(SOAP_RESPONSE_TEMPLATE, imageName));
}
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();
}
}