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This module contains the Metro runtime code.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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package com.sun.xml.ws.message.stream;

import com.sun.xml.ws.api.message.Attachment;
import com.sun.xml.ws.util.ByteArrayDataSource;
import com.sun.xml.ws.util.ByteArrayBuffer;
import com.sun.xml.ws.encoding.DataSourceStreamingDataHandler;

import javax.activation.DataHandler;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.soap.SOAPMessage;
import javax.xml.soap.AttachmentPart;
import javax.xml.soap.SOAPException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.io.ByteArrayInputStream;

import org.jvnet.staxex.Base64Data;

/**
 * Attachment created from raw bytes.
 *
 * @author Vivek Pandey
 */
public class StreamAttachment implements Attachment {
    private final String contentId;
    private final String contentType;
    private final ByteArrayBuffer byteArrayBuffer;
    private final byte[] data;
    private final int len;

    public StreamAttachment(ByteArrayBuffer buffer, String contentId, String contentType) {
        this.contentId = contentId;
        this.contentType = contentType;
        this.byteArrayBuffer = buffer;
        this.data = byteArrayBuffer.getRawData();
        this.len = byteArrayBuffer.size();
    }

    public String getContentId() {
        return contentId;
    }

    public String getContentType() {
        return contentType;
    }


    public byte[] asByteArray() {
        //we got to reallocate and give the exact byte[]
        return byteArrayBuffer.toByteArray();
    }

    public DataHandler asDataHandler() {
        return new DataSourceStreamingDataHandler(new ByteArrayDataSource(data,0,len,getContentType()));
    }

    public Source asSource() {
        return new StreamSource(new ByteArrayInputStream(data,0,len));
    }

    public InputStream asInputStream() {
        return byteArrayBuffer.newInputStream();
    }

    public Base64Data asBase64Data(){
        Base64Data base64Data = new Base64Data();
        base64Data.set(data, len, contentType);
        return base64Data;
    }

    public void writeTo(OutputStream os) throws IOException {
        byteArrayBuffer.writeTo(os);
    }

    public void writeTo(SOAPMessage saaj) throws SOAPException {
        AttachmentPart part = saaj.createAttachmentPart();
        part.setRawContentBytes(data,0,len,getContentType());
        part.setContentId(contentId);
        saaj.addAttachmentPart(part);
    }
}