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InputStreamjavax.servlet.ServletInputStreampublic abstract class ServletInputStreamextends InputStreamreadLine method
for reading data one line at a time. With some protocols, such
as HTTP POST and PUT, a ServletInputStream
object can be used to read data sent from the client.
A ServletInputStream object is normally retrieved via
the ServletRequest.getInputStream() method.
This is an abstract class that a servlet container implements.
Subclasses of this class
must implement the java.io.InputStream.read() method.
ServletRequestConstructor Summary | |
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Method Summary | |
int |
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public int readLine(byte[] b,
int off,
int len)
throws IOExceptionReads the input stream, one line at a time. Starting at an offset, reads bytes into an array, until it reads a certain number of bytes or reaches a newline character, which it reads into the array as well.This method returns -1 if it reaches the end of the input stream before reading the maximum number of bytes.
- Parameters:
b- an array of bytes into which data is readoff- an integer specifying the character at which this method begins readinglen- an integer specifying the maximum number of bytes to read
- Returns:
- an integer specifying the actual number of bytes read, or -1 if the end of the stream is reached