package org.codehaus.xfire.attachments;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import javax.activation.DataSource;public class ByteDataSource    implements DataSource{    private String contentType;    private String name;    private byte[] data;    private int offset;    private int length;        public ByteDataSource(byte[] data)    {        this(data, 0, data.length);    }    public ByteDataSource(byte[] data, int offset, int length)    {        this.data = data;        this.offset = offset;        this.length = length;    }    public byte[] getData()    {        return data;    }    public void setData(byte[] data)    {        this.data = data;    }    public void setContentType(String contentType)    {        this.contentType = contentType;    }    public void setName(String name)    {        this.name = name;    }    public String getContentType()    {        return contentType;    }    public InputStream getInputStream()        throws IOException    {        return new ByteArrayInputStream(data, offset, length);    }    public String getName()    {        return name;    }    public OutputStream getOutputStream()        throws IOException    {        return null;    }}