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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
java.io.PushbackInputStream
org.apache.commons.net.io.FromNetASCIIInputStream
public final class FromNetASCIIInputStream
This class wraps an input stream, replacing all occurrences of <CR><LF> (carriage return followed by a linefeed), which is the NETASCII standard for representing a newline, with the local line separator representation. You would use this class to implement ASCII file transfers requiring conversion from NETASCII.
| Field Summary |
|---|
| Fields inherited from class java.io.PushbackInputStream |
|---|
buf, pos |
| Fields inherited from class java.io.FilterInputStream |
|---|
in |
| Constructor Summary | |
|---|---|
FromNetASCIIInputStream(InputStream input)
Creates a FromNetASCIIInputStream instance that wraps an existing InputStream. |
|
| Method Summary | |
|---|---|
int |
available()
Returns the number of bytes that can be read without blocking EXCEPT when newline conversions have to be made somewhere within the available block of bytes. |
static boolean |
isConversionRequired()
Returns true if the NetASCII line separator differs from the system line separator, false if they are the same. |
int |
read()
Reads and returns the next byte in the stream. |
int |
read(byte[] buffer)
Reads the next number of bytes from the stream into an array and returns the number of bytes read. |
int |
read(byte[] buffer,
int offset,
int length)
Reads the next number of bytes from the stream into an array and returns the number of bytes read. |
| Methods inherited from class java.io.PushbackInputStream |
|---|
close, mark, markSupported, reset, skip, unread, unread, unread |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public FromNetASCIIInputStream(InputStream input)
| Method Detail |
|---|
public static final boolean isConversionRequired()
public int read()
throws IOException
read in class PushbackInputStreamIOException - If an error occurs while reading the underlying
stream.
public int read(byte[] buffer)
throws IOException
read in class FilterInputStreambuffer - The byte array in which to store the data.
IOException - If an error occurs in reading the underlying
stream.
public int read(byte[] buffer,
int offset,
int length)
throws IOException
read in class PushbackInputStreambuffer - The byte array in which to store the data.offset - The offset into the array at which to start storing data.length - The number of bytes to read.
IOException - If an error occurs while reading the underlying
stream.
public int available()
throws IOException
available in class PushbackInputStreamIOException
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