mimemultipartview.java

封装了SQL、Socket、WAP、MIME等功能的通用组件

        if( entries.length == 0 )
        {
            if( entry.getContentType().getPrimaryType().equalsIgnoreCase("text") ||
                entry.getContentType().getBaseType().equalsIgnoreCase("application/smil") )
            {
                MimeMultipartEntry.setTextPart(entry, path);
            }
            else if( entry.getContentType().getPrimaryType().equalsIgnoreCase("image") ||
                      entry.getContentType().getPrimaryType().equalsIgnoreCase("audio") )
            {
                MimeMultipartEntry.setFilePart(entry, path);
            }
        }
        else
        {
            for(int i = 0; i < entries.length; i++ )
            {
                downloadFileFromEntry(entries[i], path);
            }
        }
    }
    /*搜寻一个音乐帧*/
    public MimePart getAudioFromMimepart( )
    {
        return getAudioFromMimepart(this.message);
    }
    /*搜寻一个音乐帧*/
    public MimePart getAudioFromMimepart( MimeMultipartEntry entry )
    {
        MimeMultipartEntry entries[] = entry.getMultipartEntries();
        //System.out.println("MIMEI:"+entry.mimei+" entries-length="+entries.length);
        if( entries.length == 0 )
        {
            if( entry.getContentType().getPrimaryType().equalsIgnoreCase("audio") )
            {
                if( entry.isExistTempFile() ) return entry;
                if( this.tempPath == null ) return null;
                try {
                    MimeMultipartEntry.setFilePart( entry , tempPath);
                }
                catch(Exception e){
                    return null;
                }
                return entry;
            }
        }
        else
        {
            for(int i = 0; i < entries.length; i++ )
            {
                if( getAudioFromMimepart(entries[i]) != null )
                    return entries[i];
            }
        }
        return null;
    }

    /*搜寻一个图片帧*/
    public static MimePart seekImagFromMimepart(
        MimeMultipartEntry entry, String path)
    {
        if( entry.getContentType().getPrimaryType().equalsIgnoreCase("image") )
        {
            if( entry.isExistTempFile() ) return entry;
            try
            {
                MimeMultipartEntry.setFilePart( entry , path);
            }
            catch(Exception e)
            {
                return null;
            }
            return entry;
        }
        MimeMultipartEntry entries[] = entry.getMultipartEntries();
        //System.out.println("MIMEI:"+entry.mimei+" entries-length="+entries.length);
        if( entries.length == 0 )
        {
            return null;
        }
        else
        {
            for(int i = 0; i < entries.length; i++ )
            {
                if( seekImagFromMimepart(entries[i], path) != null )
                    return entries[i];
            }
        }
        return null;
    }

    public static MimeMultipartEntry addSmil( MimeMultipart message, String smil )
    {
        MimeMultipartEntry part = new MimeMultipartEntry();
        try
        {
            part.setContentType( "application/smil" );

            part.setContent( smil.getBytes("UTF-8"), null );
            message.addMultipartEntry( part, 0 );
            String cid = message.getMessageId();
            part.setContentID(cid);
            part.setConetntLocation(cid+".smil");
            part.getContentType().setParameter( "charset", "UTF-8" );
            part.getContentType().setParameter( "name", cid );
            part.getContentType().setParameter( "filename", cid+".smil" );
        }
        catch( Exception e)
        {
            e.printStackTrace();
            return null;
        }
        return part;
    }

    public static boolean addHtml( MimeMultipart message, String html)
    {
        MimeMultipartEntry part = new MimeMultipartEntry();
        try
        {
            part.setContentType( "text/html" );
            part.setContent( html.getBytes(), "quoted-printable" );
            message.addMultipartEntry( part, 0);
            String cid = message.getMessageId()+part.getMimei();
            part.getContentType().setParameter( "charset", "gb2312" );
            part.getContentType().setParameter( "name", cid );
            part.setContentID(cid);
            part.setConetntLocation(cid+".html");
            //part.setHeader("Trailer", message.getMessageId()+part.getMimei());
        }
        catch( Exception e)
        {
            return false;
        }
        return true;
    }

    /**
     * 增加一个文件
     * @param message MimeMultipart
     * @param filePath File
     * @param cid String
     * @return MimeMultipartEntry
     */
    public static MimeMultipartEntry addFile(
        MimeMultipart message, File filePath, String encoding)
    {
        MimeMultipartEntry part = new MimeMultipart();

        String contentType = "";
        String ext = "";
        int i = filePath.getName().lastIndexOf('.');
        if( i != -1 )
        {
            ext = filePath.getName().substring( i + 1 );
            contentType = MimeUtility.ext2ct(ext);
        }

        if( contentType.length() == 0 )
        {
            return null;
        }

        try
        {
            FileInputStream fis = new FileInputStream(filePath);
            byte buf[] = new byte[fis.available()];
            fis.read(buf);

            part.setContentType( contentType );
            part.setContent(buf, encoding);
            message.addMultipartEntry( part );
            String cid = message.getMessageId() + part.getMimei();
            part.setContentID(cid);
            part.setConetntLocation(cid+"."+ext);
            part.setFileName(cid+"."+ext);
            //part.setHeader("Trailer", message.getMessageId()+part.getMimei());
        }
        catch(Exception e)
        {
            return null;
        }
        return part;
    }
    /**
     * 增加文件到Multipart
     * @param path String
     * @param cid String
     * @return boolean
     */
    public static MimeMultipartEntry addFile( MimeMultipart message,
        String path , String encoding)
    {
        MimeMultipartEntry part = new MimeMultipart();
        //System.out.println("Add Multipart_Img("+path+","+cid+")");
        String contentType = "";
        String ext = "";
        int i = path.lastIndexOf('.');
        if( i != -1 )
        {
            ext = path.substring( i + 1 );
            contentType = MimeUtility.ext2ct(ext);
        }

        if( contentType.length() == 0 )
        {
            return null;
        }

        try
        {
            //System.out.println("Add Multipart("+path+","+contentType+")");
            FileInputStream fis = new FileInputStream(path);
            byte buf[] = new byte[fis.available()];
            fis.read(buf);

            part.setContentType( contentType );
            part.setContent(buf, encoding);
            message.addMultipartEntry( part );
            String cid = message.getMessageId() + part.getMimei();
            part.setContentID(cid);
            part.setConetntLocation(cid+"."+ext);
//            part.setHeader("Trailer", message.getMessageId()+part.getMimei());
            part.setFileName(cid+"."+ext);
        }
        catch(Exception e)
        {
            e.printStackTrace();
            return null;
        }
        return part;
    }

    public static MimeMultipartEntry addText( MimeMultipart message, String text ,
        String charsets, String encoding)
    {
        MimeMultipartEntry part = new MimeMultipart();
        //System.out.println("Add Multipart_Text("+text+","+cid+")");
        try
        {
            part.setContentType( "text/plain" );
            part.getContentType().setParameter( "charset", charsets );
            if( charsets != null )
                part.setContent( text.getBytes(charsets), encoding );
            else
                part.setContent( text.getBytes(), encoding );

            message.addMultipartEntry( part );
            String cid = message.getMessageId() + part.getMimei();
            part.setContentID(cid);
            part.setConetntLocation(cid+".txt");
            part.setFileName(cid+".txt");
            //part.setHeader("Trailer", message.getMessageId()+part.getMimei());
        }
        catch(Exception e)
        {
            e.printStackTrace();
            return null;
        }
        return part;
    }

    public void setStart(String start)
    {
        this.message.getContentType().setParameter("start", start);
    }

    public String getSubject()
    {
        return this.message.getHeader("Subject");
    }

    public void setContentType(String ct) throws MimeException
    {
        this.message.setContentType(ct);
    }

    public ContentType getContentType()
    {
        return this.message.getContentType();
    }

    public static void main(String[] args)
    {
    }

    public MimeMultipart getMessage()
    {
        return message;
    }

    public void setMessage( MimeMultipart message )
    {
        this.message = message;
    }
}