/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* 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.apache.axis2.mtom;

import org.apache.axiom.attachments.Attachments;
import org.apache.axiom.attachments.IncomingAttachmentInputStream;
import org.apache.axiom.attachments.IncomingAttachmentStreams;
import org.apache.axiom.attachments.utils.IOUtils;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.impl.MTOMConstants;
import org.apache.axiom.om.util.Base64;
import org.apache.axis2.context.MessageContext;

public class EchoService2 {


    public OMElement mtomSample(OMElement element) throws Exception {

        Attachments attachments = null;
        attachments = (Attachments) MessageContext.getCurrentMessageContext().getProperty(MTOMConstants.ATTACHMENTS);
        // Get image data
        IncomingAttachmentStreams streams = attachments.getIncomingAttachmentStreams();
        IncomingAttachmentInputStream stream = streams.getNextStream();

        byte[] data = IOUtils.getStreamAsByteArray(stream);

        //setting response
        OMFactory fac = OMAbstractFactory.getOMFactory();
        OMNamespace ns = fac.createOMNamespace("urn://fakenamespace", "ns");
        OMElement response, elem;

        response = fac.createOMElement("response", ns);

        elem = fac.createOMElement("data", ns);
        elem.setText(Base64.encode(data));
        response.addChild(elem);

        return response;
    }
}