PushbackInputStream (Java SE 26 & JDK 26)
- All Implemented Interfaces:
Closeable, AutoCloseable
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Field Summary
Fields
protected byte[]protected intThe position within the pushback buffer from which the next byte will be read.
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Constructor Summary
Constructors
Creates a
PushbackInputStreamwith a 1-byte pushback buffer, and saves its argument, the input streamin, for later use.Creates a
PushbackInputStreamwith a pushback buffer of the specifiedsize, and saves its argument, the input streamin, for later use. -
Method Summary
intReturns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream.
voidclose()Closes this input stream and releases any system resources associated with the stream.
voidmark(int readlimit) Marks the current position in this input stream.
booleanTests if this input stream supports the
markandresetmethods, which it does not.intread()Reads the next byte of data from this input stream.
intread(byte[] b, int off, int len) Reads up to
lenbytes of data from this input stream into an array of bytes.voidreset()Repositions this stream to the position at the time the
markmethod was last called on this input stream.longskip(long n) Skips over and discards
nbytes of data from this input stream.voidunread(byte[] b) Pushes back an array of bytes by copying it to the front of the pushback buffer.
voidunread(byte[] b, int off, int len) Pushes back a portion of an array of bytes by copying it to the front of the pushback buffer.
voidunread(int b) Pushes back a byte by copying it to the front of the pushback buffer.
Methods declared in class FilterInputStream
intReads up to
b.lengthbytes of data from this input stream into an array of bytes.Methods declared in class InputStream
nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferToReturns a new
InputStreamthat reads no bytes.byte[]Reads all remaining bytes from the input stream.
intReads the requested number of bytes from the input stream into the given byte array.
byte[]Reads up to a specified number of bytes from the input stream.
voidSkips over and discards exactly
nbytes of data from this input stream.longReads all bytes from this input stream and writes the bytes to the given output stream in the order that they are read.
Methods declared in class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitCreates and returns a copy of this object.
booleanIndicates whether some other object is "equal to" this one.
protected voidDeprecated, for removal: This API element is subject to removal in a future version.
Returns the runtime class of this
Object.intReturns a hash code value for this object.
final voidWakes up a single thread that is waiting on this object's monitor.
final voidWakes up all threads that are waiting on this object's monitor.
Returns a string representation of the object.
final voidCauses the current thread to wait until it is awakened, typically by being notified or interrupted.
final voidwait(long timeoutMillis) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final voidwait(long timeoutMillis, int nanos) Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
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Field Details
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buf
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pos
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Constructor Details
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PushbackInputStream
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PushbackInputStream
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Method Details
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read
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read
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unread
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unread
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unread
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available
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skip
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markSupported
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mark
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reset
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close
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