Package jakarta.mail.util
Interface LineInputStream
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public interface LineInputStream
LineInputStream supports reading CRLF terminated lines that contain only US-ASCII characters from an input stream. Provides functionality that is similar to the deprecatedDataInputStream.readLine()
. Expected use is to read lines as String objects from an IMAP/SMTP/etc. stream.
This class also supports UTF-8 data by calling the appropriate constructor. Or, if the System propertymail.mime.allowutf8
is set to true, an attempt will be made to interpret the data as UTF-8, falling back to treating it as an 8-bit charset if that fails.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description String
readLine()
Read a line containing only ASCII characters from the input stream.
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Method Detail
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readLine
String readLine() throws IOException
Read a line containing only ASCII characters from the input stream. A line is terminated by a CR or NL or CR-NL sequence. A common error is a CR-CR-NL sequence, which will also terminate a line. The line terminator is not returned as part of the returned String. Returns null if no data is available.- Returns:
- the line
- Throws:
IOException
- for I/O errors
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