NullInputStream (JBoss/Common API) - JBoss 4.0.1 sp1 common API Documentation 英文版文档

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org.jboss.util.stream
Class NullInputStream

java.lang.Object
  java.io.InputStream
      org.jboss.util.stream.NullInputStream

public final class NullInputStream
extends InputStream

A null InputStream. Methods that return values, return values that indicate that there is no more data to be read, other methods are non-operations.

Version:: $Revision: 1.1 $
Author:: Jason Dillon

Field Summary

static NullInputStream INSTANCE
          A default null input stream.

Constructor Summary

NullInputStream()


Method Summary

int available()
          Always returns zero.

void close()
          Non-operation.

void mark(int readLimit)
          Non-operation.

boolean markSupported()
          Always returns false.

int read()
          Always returns -1.

int read(byte[] bytes)
          Always returns -1.

int read(byte[] bytes, int offset, int length)
          Always returns -1.

void reset()
          Non-operation.

long skip(long n)
          Always returns zero.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final NullInputStream INSTANCE

A default null input stream.

Constructor Detail