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 * 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
 * Unless required by applicable law or agreed to in writing,
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import javax.activation.DataHandler;
import javax.xml.bind.attachment.AttachmentMarshaller;

import org.apache.axiom.attachments.ByteArrayDataSource;

abstract class AttachmentMarshallerBase extends AttachmentMarshaller {
    public boolean isXOPPackage() {
        return true;

    public String addMtomAttachment(byte[] data, int offset, int length, String mimeType,
            String elementNamespace, String elementLocalName) {
        // TODO: instead of copying the array, we could use a specialized DataHandler/DataSource
        if (offset != 0 || length != data.length) {
            int len = length - offset;
            byte[] newData = new byte[len];
            System.arraycopy(data, offset, newData, 0, len);
            data = newData;
        return addMtomAttachment(new DataHandler(new ByteArrayDataSource(data, "application/octet-stream")),
                elementNamespace, elementLocalName);

    public String addSwaRefAttachment(DataHandler data) {
        return null;