com.sun.xml.ws.message.AttachmentUnmarshallerImpl Maven / Gradle / Ivy

/*
 * Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.ws.message;

import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.api.message.AttachmentSet;
import com.sun.xml.ws.encoding.MimeMultipartParser;
import com.sun.xml.ws.resources.EncodingMessages;

import javax.activation.DataHandler;
import javax.xml.bind.attachment.AttachmentUnmarshaller;
import javax.xml.ws.WebServiceException;

/**
 * Implementation of {@link AttachmentUnmarshaller} that uses
 * loads attachments from {@link AttachmentSet} directly.
 *
 * @author Vivek Pandey
 * @see MimeMultipartParser
 */
public final class AttachmentUnmarshallerImpl extends AttachmentUnmarshaller {

    private final AttachmentSet attachments;

    public AttachmentUnmarshallerImpl(AttachmentSet attachments) {
        this.attachments = attachments;
    }

    @Override
    public DataHandler getAttachmentAsDataHandler(String cid) {
        Attachment a = attachments.get(stripScheme(cid));
        if(a==null)
            throw new WebServiceException(EncodingMessages.NO_SUCH_CONTENT_ID(cid));
        return a.asDataHandler();
    }

    @Override
    public byte[] getAttachmentAsByteArray(String cid) {
        Attachment a = attachments.get(stripScheme(cid));
        if(a==null)
            throw new WebServiceException(EncodingMessages.NO_SUCH_CONTENT_ID(cid));
        return a.asByteArray();
    }

    /**
     * The CID reference has 'cid:' prefix, so get rid of it.
     */
    private String stripScheme(String cid) {
        if(cid.startsWith("cid:")) // work defensively, in case the input is wrong
            cid = cid.substring(4);
        return cid;
    }

}