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Added in API level 1

InflaterInputStream

public class InflaterInputStream
extends FilterInputStream

java.lang.Object
↳	java.io.InputStream
	↳	java.io.FilterInputStream
		↳	java.util.zip.InflaterInputStream

Known Direct Subclasses

GZIPInputStream, ZipInputStream

Known Indirect Subclasses

JarInputStream

This class implements a stream filter for uncompressing data in the "deflate" compression format. It is also used as the basis for other decompression filters, such as GZIPInputStream.

See also:

Inflater

Summary

Fields
`protected byte[]`	`buf` Input buffer for decompression.
`protected boolean`	`closed`
`protected Inflater`	`inf` Decompressor for this stream.
`protected int`	`len` Length of input buffer.

Inherited fields

From class


    java.io.FilterInputStream

Public constructors
`InflaterInputStream(InputStream in, Inflater inf, int size)` Creates a new input stream with the specified decompressor and buffer size.
`InflaterInputStream(InputStream in, Inflater inf)` Creates a new input stream with the specified decompressor and a default buffer size.
`InflaterInputStream(InputStream in)` Creates a new input stream with a default decompressor and buffer size.

Public methods
`int`	`available()` Returns 0 after EOF has been reached, otherwise always return 1.
`void`	`close()` Closes this input stream and releases any system resources associated with the stream.
`void`	`mark(int readlimit)` Marks the current position in this input stream.
`boolean`	`markSupported()` Tests if this input stream supports the `mark` and `reset` methods.
`int`	`read()` Reads a byte of uncompressed data.
`int`	`read(byte[] b, int off, int len)` Reads uncompressed data into an array of bytes.
`void`	`reset()` Repositions this stream to the position at the time the `mark` method was last called on this input stream.
`long`	`skip(long n)` Skips specified number of bytes of uncompressed data.

Protected methods
`void`	`fill()` Fills input buffer with more data to decompress.

Inherited methods

From class


  
    java.io.FilterInputStream

`int`	`available()` Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next caller of a method for this input stream.
`void`	`close()` Closes this input stream and releases any system resources associated with the stream.
`void`	`mark(int readlimit)` Marks the current position in this input stream.
`boolean`	`markSupported()` Tests if this input stream supports the `mark` and `reset` methods.
`int`	`read()` Reads the next byte of data from this input stream.
`int`	`read(byte[] b, int off, int len)` Reads up to `len` bytes of data from this input stream into an array of bytes.
`int`	`read(byte[] b)` Reads up to `byte.length` bytes of data from this input stream into an array of bytes.
`void`	`reset()` Repositions this stream to the position at the time the `mark` method was last called on this input stream.
`long`	`skip(long n)` Skips over and discards `n` bytes of data from the input stream.

From class


  
    java.io.InputStream

`int`	`available()` Returns 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.
`void`	`close()` Closes this input stream and releases any system resources associated with the stream.
`void`	`mark(int readlimit)` Marks the current position in this input stream.
`boolean`	`markSupported()` Tests if this input stream supports the `mark` and `reset` methods.
`abstract int`	`read()` Reads the next byte of data from the input stream.
`int`	`read(byte[] b, int off, int len)` Reads up to `len` bytes of data from the input stream into an array of bytes.
`int`	`read(byte[] b)` Reads some number of bytes from the input stream and stores them into the buffer array `b`.
`void`	`reset()` Repositions this stream to the position at the time the `mark` method was last called on this input stream.
`long`	`skip(long n)` Skips over and discards `n` bytes of data from this input stream.

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


  
    java.io.Closeable

From interface


  
    java.lang.AutoCloseable

Fields

buf

Added in API level 1

byte[] buf

Input buffer for decompression.

closed

Added in API level 24

boolean closed

inf

Added in API level 1

Inflater inf

Decompressor for this stream.

len

Added in API level 1

int len

Length of input buffer.

Public constructors

InflaterInputStream

Added in API level 1

InflaterInputStream (InputStream in, 
                Inflater inf, 
                int size)

Creates a new input stream with the specified decompressor and buffer size.

Parameters
`in`	`InputStream`: the input stream
`inf`	`Inflater`: the decompressor ("inflater")
`size`	`int`: the input buffer size

Throws
`IllegalArgumentException`	if size is <= 0

InflaterInputStream

Added in API level 1

InflaterInputStream (InputStream in, 
                Inflater inf)

Creates a new input stream with the specified decompressor and a default buffer size.

Parameters
`in`	`InputStream`: the input stream
`inf`	`Inflater`: the decompressor ("inflater")

InflaterInputStream

Added in API level 1

InflaterInputStream (InputStream in)

Creates a new input stream with a default decompressor and buffer size.

Parameters
`in`	`InputStream`: the input stream

Public methods

available

Added in API level 1

int available ()

Returns 0 after EOF has been reached, otherwise always return 1.

Programs should not count on this method to return the actual number of bytes that could be read without blocking.

Returns
`int`	1 before EOF and 0 after EOF.

Throws
`IOException`	if an I/O error occurs.

close

Added in API level 1

void close ()

Closes this input stream and releases any system resources associated with the stream.

Throws
`IOException`	if an I/O error has occurred

mark

Added in API level 1

void mark (int readlimit)

Marks the current position in this input stream.

The mark method of InflaterInputStream does nothing.

Parameters
`readlimit`	`int`: the maximum limit of bytes that can be read before the mark position becomes invalid.

See also:

reset()

markSupported

Added in API level 1

boolean markSupported ()

Tests if this input stream supports the mark and reset methods. The markSupported method of InflaterInputStream returns false.

Returns
`boolean`	a `boolean` indicating if this stream type supports the `mark` and `reset` methods.

See also:

mark(int)
reset()

read

Added in API level 1

int read ()

Reads a byte of uncompressed data. This method will block until enough input is available for decompression.

Returns
`int`	the byte read, or -1 if end of compressed input is reached

Throws
`IOException`	if an I/O error has occurred

read

Added in API level 1

int read (byte[] b, 
                int off, 
                int len)

Reads uncompressed data into an array of bytes. If len is not zero, the method will block until some input can be decompressed; otherwise, no bytes are read and 0 is returned.

Parameters
`b`	`byte`: the buffer into which the data is read
`off`	`int`: the start offset in the destination array `b`
`len`	`int`: the maximum number of bytes read

Returns
`int`	the actual number of bytes read, or -1 if the end of the compressed input is reached or a preset dictionary is needed

Throws
`NullPointerException`	If `b` is `null`.
`IndexOutOfBoundsException`	If `off` is negative, `len` is negative, or `len` is greater than `b.length - off`
`ZipException`	if a ZIP format error has occurred
`IOException`	if an I/O error has occurred

reset

Added in API level 1

void reset ()

Repositions this stream to the position at the time the mark method was last called on this input stream.

The method reset for class InflaterInputStream does nothing except throw an IOException.

Throws
`IOException`	if this method is invoked.

See also:

mark(int)
IOException

skip

Added in API level 1

long skip (long n)

Skips specified number of bytes of uncompressed data.

Parameters
`n`	`long`: the number of bytes to skip

Returns
`long`	the actual number of bytes skipped.

Throws
`IOException`	if an I/O error has occurred
`IllegalArgumentException`	if n < 0

Protected methods

fill

Added in API level 1

void fill ()

Fills input buffer with more data to decompress.

Throws
`IOException`	if an I/O error has occurred

Interfaces

Classes

Exceptions

Errors

Most visited

Recently visited

Results for

InflaterInputStream

Summary

Fields

Inherited fields

Public constructors

Public methods

Protected methods

Inherited methods

Fields

buf

closed

inf

len

Public constructors

InflaterInputStream

InflaterInputStream

InflaterInputStream

Public methods

available

close

mark

markSupported

read

read

reset

skip

Protected methods

fill