Module jakarta.mail
Package com.sun.mail.smtp

Class SMTPOutputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable
    public class SMTPOutputStream
extends CRLFOutputStream
    In addition to converting lines into the canonical format, i.e., terminating lines with the CRLF sequence, escapes the "." by adding another "." to any "." that appears in the beginning of a line. See RFC821 section 4.5.2.
    Author:
    Max Spivak
    See Also:
    CRLFOutputStream

    • Field Summary

      • Fields inherited from class java.io.FilterOutputStream

        out

    • Constructor Summary

      Constructors 
      Constructor Description
      SMTPOutputStream​(java.io.OutputStream os)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void ensureAtBOL()
      Ensure we're at the beginning of a line.
      void flush()
      Override flush method in FilterOutputStream.
      void write​(byte[] b, int off, int len)  
      void write​(int b)  

      • Methods inherited from class java.io.FilterOutputStream

        close

      • Methods inherited from class java.io.OutputStream

        nullOutputStream

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • SMTPOutputStream

        public SMTPOutputStream​(java.io.OutputStream os)

    • Method Detail

      • write

        public void write​(int b)
           throws java.io.IOException
        Overrides:
        write in class CRLFOutputStream
        Throws:
        java.io.IOException

      • write

        public void write​(byte[] b,
                  int off,
                  int len)
           throws java.io.IOException
        Overrides:
        write in class CRLFOutputStream
        Throws:
        java.io.IOException

      • flush

        public void flush()
        Override flush method in FilterOutputStream. The MimeMessage writeTo method flushes its buffer at the end, but we don't want to flush data out to the socket until we've also written the terminating "\r\n.\r\n". We buffer nothing so there's nothing to flush. We depend on the fact that CRLFOutputStream also buffers nothing. SMTPTransport will manually flush the socket before reading the response.
        Specified by:
        flush in interface java.io.Flushable
        Overrides:
        flush in class java.io.FilterOutputStream

      • ensureAtBOL

        public void ensureAtBOL()
                 throws java.io.IOException
        Ensure we're at the beginning of a line. Write CRLF if not.
        Throws:
        java.io.IOException - if the write fails