Name
ServletInputStream
Synopsis
Class Name:
javax.servlet.ServletInputStream
Superclass: java.io.InputStream
Immediate Subclasses: None
Interfaces Implemented: None
Availability: Servlet API 1.0 and later
Description
Provides an input stream for reading binary data from a client
request, including a readLine( ) method for
reading data one line at a time. A
ServletInputStream is returned by the
getInputStream( ) method of
ServletRequest. For HTTP servlets the
ServletInputStream provides access to the
submitted POST data.
Class Summary
public abstract class ServletInputStream extends java.io.InputStream {
// Constructors
protected ServletInputStream();
// Instance methods
public int readLine(byte b[], int off, int len) throws IOException;
}Constructors
ServletInputStream()
protected ServletInputStream()
- Description
The default constructor does nothing. A servlet should never construct its own
ServletInputStream.
Instance Methods
readLine()
public int readLine(byte b[], int off, int len) throws IOException
- Description
Reads bytes from the input stream into the byte array
b, starting at an offset in the array given byoff. It stops reading when it encounters an\nor it has readlennumber of bytes. The ending\ncharacter is read into the buffer as well. Returns the number of bytes read or-1if the end of the stream is reached. The version of this class provided with Servlet API 2.0 had a bug where thelenparameter was ignored, causing anArrayIndexOutOfBoundsExceptionwhen reading a line longer ...