📄 defaultinboxmsgbuilder.java
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if( contentType.indexOf( InboxHelper.CONTENT_TYPE_HTML ) > -1 ) { return getMessageBody( messagePart, InboxHelper.CONTENT_TYPE_HTML ); } else if( contentType.indexOf( InboxHelper.CONTENT_TYPE_PLAIN ) > -1 ) { return getMessageBody( messagePart, InboxHelper.CONTENT_TYPE_PLAIN ); } else if( contentType.indexOf( InboxHelper.CONTENT_TYPE_TEXT ) > -1 ) { return getMessageBody( messagePart, InboxHelper.CONTENT_TYPE_TEXT ); } else { return null; } } /** * The method gets message body from the email message * @param messagePart Part * @param recognizedContentType it can be: * InboxHelper.CONTENT_TYPE_HTML or * InboxHelper.CONTENT_TYPE_PLAIN or * InboxHelper.CONTENT_TYPE_TEXT * @return String * @throws IOException * @throws MessagingException */ protected String getMessageBody( Part messagePart, String recognizedContentType ) throws IOException, MessagingException { if( recognizedContentType == null ) { throw new NullPointerException( "Got NULL recognized content type" ); } // serialize Part into temp buffer InputStream is = messagePart.getInputStream(); ByteArrayOutputStream bosAtt = new ByteArrayOutputStream(); byte buf[] = new byte[1024]; int len; while( ( len = is.read( buf ) ) > 0 ) { bosAtt.write( buf, 0, len ); } // get code page from Content Type string String contentType = getContentType( messagePart ); String charsetValue = getCodePage( contentType ); // build mail body using character set String mailBody = null; if( !StringHelper.isEmpty( charsetValue ) ) { try { mailBody = new String( bosAtt.toByteArray(), charsetValue ); } catch( UnsupportedEncodingException e ) { // Log problem with content type! String msg = "Cant't process the mail body for charset \"" + charsetValue + "\". Content type is \"" + contentType + "\""; INFO( logName + msg ); publisher.INFO( msg ); } } if( mailBody == null ) { // build mail body without character set mailBody = new String( bosAtt.toByteArray() ); } // additional check for html body if( InboxHelper.CONTENT_TYPE_HTML.equals( recognizedContentType ) ) { if( !StringHelper.isHTML( mailBody ) ) { if( isHTMLContent( mailBody ) ) { mailBody = checkUpHtml( mailBody ); } else { mailBody = StringHelper.text2html( mailBody ); } } // Build safe HTML. mailBody = "<html><body>" + StringHelper.clearHtml( mailBody, true ) + "</body></html>"; } return mailBody; } /** * The method builds <code>Attachment</code> using <code>filePart</code>. * @param filePart Part * @return Attachment * @throws IOException * @throws MessagingException */ protected Attachment getMessageAttachment( Part filePart ) throws IOException, MessagingException { int size = filePart.getSize(); if( size <= 0 ) { WARN( logName + "Bad attachment found" ); return null; } // Get file name. String fileName = filePart.getFileName(); // Try to find Content-ID. String contentId = null; if( filePart instanceof MimeBodyPart ) { contentId = ( ( MimeBodyPart ) filePart ).getContentID(); } if( contentId != null ) { fileName = InboxHelper.CONTENT_ID_CAPTION + contentId; } // Check file name. if( StringHelper.isEmpty( fileName ) ) { fileName = generateUniqueAttachName(); } DEBUG( logName + "Attachment " + "\n\t\t size = " + size + "\n\t\t file name = " + fileName + "\n\t\t content-type = " + filePart.getContentType() ); // Setting up I/O streams for attachment data retrieving. ByteArrayOutputStream out = new ByteArrayOutputStream( size ); InputStream in = filePart.getInputStream(); // Go! // Writing each byte from the input stream to the buffer. int i; byte[] buff = new byte[1024]; while( ( i = in.read( buff ) ) != -1 ) { out.write( buff, 0, i ); } // Creating a value object for the attachment... out.flush(); Attachment attach = new Attachment( fileName, out.toByteArray() ); out.close(); // Set content type. attach.setFiletype( filePart.getContentType() ); return attach; } /** * The method appends attached message <code>attachMesage</code> to the end of * body of <code>mainMessage</code>. The result is always in HTML format! * * @param mainMsg the main message * @param attachMsg attached message * @return true if the message as attachment was saved correctly * @throws MessagingException */ protected boolean appendMessage( InboxMessage mainMsg, InboxMessage attachMsg ) throws MessagingException { // set body String bodyMessage; if( mainMsg.getBodyType() == MailMessage.BODYTYPE_TEXT ) { // .. convert to HTML bodyMessage = StringHelper.text2html( mainMsg.getBody() ); } else { bodyMessage = StringHelper.clearHtml( mainMsg.getBody(), false ); } String bodyAttachMessage; if( attachMsg.getBodyType() == MailMessage.BODYTYPE_TEXT ) { // .. convert to HTML bodyAttachMessage = StringHelper.text2html( attachMsg.getBody() ); } else { bodyAttachMessage = StringHelper.clearHtml( attachMsg.getBody(), false ); } bodyMessage += "<br><br>---------- Forwarded message ----------<br>"; // get From addresses bodyMessage += "From: "; if( attachMsg.getFrom() != null ) { bodyMessage += StringHelper.escape( attachMsg.getFrom().toRfcString() ); } bodyMessage += "<br>"; // get To addresses bodyMessage += "To: "; if( attachMsg.getTo() != null ) { bodyMessage += StringHelper.escape( MailAddress.toRfcString( attachMsg.getTo() ) ); } bodyMessage += "<br>"; // get CC addresses bodyMessage += "CC: "; if( attachMsg.getCc() != null ) { bodyMessage += StringHelper.escape( MailAddress.toRfcString( attachMsg.getCc() ) ); } bodyMessage += "<br>"; // calculate message date Date receiveDate = attachMsg.getReceiveTime(); Date messageDate = ( receiveDate == null ) ? attachMsg.getSentTime() : receiveDate; if( messageDate != null ) { // get date as string long defaultTime = DateHelper.toUser( messageDate.getTime(), SystemHelper.DEFAULT_TIMEZONE ); String dateAsString = DateHelper.formatDate( new Date( defaultTime ) ); bodyMessage += "Date: " + StringHelper.escape( dateAsString ) + "<br>"; } else { bodyMessage += "Date: <br>"; } // get subject String subject = attachMsg.getSubject(); if( subject == null ) { subject = StringHelper.EMPTY_VALUE; } bodyMessage += "Subject: " + StringHelper.escape( subject ) + "<br><br>"; // add message body secondary message bodyMessage += bodyAttachMessage; // set <html> tag bodyMessage = checkUpHtml( bodyMessage ); // set body into main message mainMsg.setBody( bodyMessage ); // save attchments into main message List attachments = attachMsg.getAttachments(); int size = ( attachments == null ) ? 0 : attachments.size(); for( int i = 0; i < size; i++ ) { Attachment attach = ( Attachment ) attachments.get( i ); mainMsg.addAttachments( attach ); } return true; } /** * The method gets the name of code page from Content Type string * * @param contentType formatted content type string * @return String or NULL * @see #getContentType */ protected String getCodePage( String contentType ) { // position of the first symbol charset= string String charsetParamName = "CHARSET="; int startCharset = contentType.indexOf( charsetParamName ); // position of the last symbol charset= string int startCharsetLength = startCharset + charsetParamName.length(); if( startCharsetLength + 1 >= contentType.length() ) { // if Content Type string doesn't contain code page return null; } // check up the first symbol of code page - it shouldn't be comma String charsetValue; if( contentType.substring( startCharsetLength, startCharsetLength + 1 ).equals( "\"" ) ) { startCharset = startCharsetLength + 1; } else { startCharset = startCharsetLength; } // get position of the last symbol of code page int endCharset = 0; for( int i = startCharset; i < contentType.length(); i++ ) { if( contentType.substring( i, i + 1 ).equals( " " ) || contentType.substring( i, i + 1 ).equals( "\"" ) ) { break; } else { endCharset++; } } endCharset += startCharset; charsetValue = contentType.substring( startCharset, endCharset ); return charsetValue; } /** * The method checks - is given string . * It needs for additional HTML check by <br> tag * * @param s the string to check * @return <b>true</b> if <br> presents */ protected boolean isHTMLContent( String s ) { if( StringHelper.isEmpty( s ) ) { return false; } try { RE re = new RE( "<br((\\s+[^>]*)|(>))", RE.MATCH_CASEINDEPENDENT ); return re.match( s ); } catch( RESyntaxException rex ) { throw new GenericSystemException( "Regexp exception: " + rex.getMessage(), rex ); } } /** * The method deletes \r\n symbols from HTML * * @param s the string to check * @return HTML string */ protected String checkUpHtml( String s ) { String result = s; if( !StringHelper.isEmpty( result ) ) { try { RE re = new RE( "\\r\\n|\\r|\\n", RE.REPLACE_ALL ); result = re.subst( result, "" ); } catch( RESyntaxException rex ) { throw new GenericSystemException( "Regexp exception: " + rex.getMessage(), rex ); } } return result; } /** * Gets content type in appropriate format. * @param part Part * @return String * @throws MessagingException */ protected String getContentType( Part part ) throws MessagingException { String contentType = part.getContentType(); if( StringHelper.isEmpty( contentType ) ) { // .. if empty take "text/plain" contentType = InboxHelper.CONTENT_TYPE_PLAIN; } return contentType.toUpperCase(); } /** * Returns new unique name for attachment. * @return String * @see InboxHelper#generateUniqueAttachName */ protected String generateUniqueAttachName() { return InboxHelper.generateUniqueAttachName( ++uniqueID ); }}⌨️ 快捷键说明
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