/*
* Copyright 2005-2014 the original author or authors.
*
* 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.springframework.ws.support;
import java.io.IOException;
import javax.activation.DataHandler;
import javax.xml.transform.Source;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.Unmarshaller;
import org.springframework.oxm.mime.MimeContainer;
import org.springframework.oxm.mime.MimeMarshaller;
import org.springframework.oxm.mime.MimeUnmarshaller;
import org.springframework.ws.WebServiceMessage;
import org.springframework.ws.mime.Attachment;
import org.springframework.ws.mime.MimeMessage;
/**
* Helper class for endpoints and endpoint mappings that use marshalling.
*
* @author Arjen Poutsma
* @since 1.0.0
*/
public abstract class MarshallingUtils {
private MarshallingUtils() {
}
/**
* Unmarshals the payload of the given message using the provided {@link Unmarshaller}.
*
* <p>If the request message has no payload (i.e. {@link WebServiceMessage#getPayloadSource()} returns
* {@code null}), this method will return {@code null}.
*
* @param unmarshaller the unmarshaller
* @param message the message of which the payload is to be unmarshalled
* @return the unmarshalled object
* @throws IOException in case of I/O errors
*/
public static Object unmarshal(Unmarshaller unmarshaller, WebServiceMessage message) throws IOException {
Source payload = message.getPayloadSource();
if (payload == null) {
return null;
}
else if (unmarshaller instanceof MimeUnmarshaller && message instanceof MimeMessage) {
MimeUnmarshaller mimeUnmarshaller = (MimeUnmarshaller) unmarshaller;
MimeMessageContainer container = new MimeMessageContainer((MimeMessage) message);
return mimeUnmarshaller.unmarshal(payload, container);
}
else {
return unmarshaller.unmarshal(payload);
}
}
/**
* Marshals the given object to the payload of the given message using the provided {@link Marshaller}.
*
* @param marshaller the marshaller
* @param graph the root of the object graph to marshal
* @param message the message of which the payload is to be unmarshalled
* @throws IOException in case of I/O errors
*/
public static void marshal(Marshaller marshaller, Object graph, WebServiceMessage message) throws IOException {
if (marshaller instanceof MimeMarshaller && message instanceof MimeMessage) {
MimeMarshaller mimeMarshaller = (MimeMarshaller) marshaller;
MimeMessageContainer container = new MimeMessageContainer((MimeMessage) message);
mimeMarshaller.marshal(graph, message.getPayloadResult(), container);
}
else {
marshaller.marshal(graph, message.getPayloadResult());
}
}
private static class MimeMessageContainer implements MimeContainer {
private final MimeMessage mimeMessage;
public MimeMessageContainer(MimeMessage mimeMessage) {
this.mimeMessage = mimeMessage;
}
@Override
public boolean isXopPackage() {
return mimeMessage.isXopPackage();
}
@Override
public boolean convertToXopPackage() {
return mimeMessage.convertToXopPackage();
}
@Override
public void addAttachment(String contentId, DataHandler dataHandler) {
mimeMessage.addAttachment(contentId, dataHandler);
}
@Override
public DataHandler getAttachment(String contentId) {
Attachment attachment = mimeMessage.getAttachment(contentId);
return attachment != null ? attachment.getDataHandler() : null;
}
}
}