public String getMessagesForDisplay ( ) { if ( messages . isEmpty ( ) ) { return "" ; } StringBuilder stringBuilder = new StringBuilder ( ) ; for ( String message : messages ) { stringBuilder . append ( message ) ; stringBuilder . append ( "\n" ) ; } String tempStr = stringBuilder . toString ( ) ; stringBuilder . deleteCharAt ( tempStr . length ( ) - 1 ) ; return stringBuilder . toString ( ) ; }
Formats the messages in the result to a suitable form so that it can be used in user interface .