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java.lang.Objectjava.io.InputStream
javax.servlet.ServletInputStream
Provides an input stream for reading binary data from a client
request, including an efficient readLine 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.
ServletRequest| Constructor Summary | |
protected |
ServletInputStream()
Does nothing, because this is an abstract class. |
| Method Summary | |
int |
readLine(byte[] b,
int off,
int len)
Reads the input stream, one line at a time. |
| Methods inherited from class java.io.InputStream |
available, close, mark, markSupported, read, read, read, reset, skip |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
protected ServletInputStream()
| Method Detail |
public int readLine(byte[] b,
int off,
int len)
throws java.io.IOException
This method returns -1 if it reaches the end of the input stream before reading the maximum number of bytes.
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
java.io.IOException - if an input or output exception has occurred
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Copyright 2003 Sun Microsystems, Inc. All rights reserved.