StreamAttachment.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 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
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/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 packager/legal/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:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

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);
    }
}