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/*
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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
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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;
    }

}