Jetty Server 6.1.26 · org.mortbay.io.Buffer

Modifier and Type	Class and Description
public static interface	Buffer.CaseInsensitve

Modifier and Type	Field and Description
public static final int	IMMUTABLE
public static final boolean	NON_VOLATILE
public static final int	READONLY
public static final int	READWRITE
public static final boolean	VOLATILE

Method Summary

Modifier and Type	Method and Description
public byte[]	Returns: a `byte[]` backing this buffer or null if none exists. array() Get the underlying array, if one exists.
public byte[]	Returns: a `byte[]` value of the bytes from the getIndex to the putIndex. asArray()
public Buffer	Returns: an immutable version of this `Buffer`. asImmutableBuffer()
public Buffer	Returns: an immutable version of this `Buffer`. asMutableBuffer()
public Buffer	Returns: a non volitile version of this `Buffer` value asNonVolatileBuffer()
public Buffer	Returns: a readonly version of this `Buffer`. asReadOnlyBuffer()
public Buffer	Returns: The root backing buffer or this if there is no backing buffer; buffer() Get the unerlying buffer.
public int	Returns: an `int` value capacity() The capacity of the buffer.
public void	clear() Clear the buffer.
public void	compact() Compact the buffer by discarding bytes before the postion (or mark if set).
public boolean	Returns: a `boolean` value true if case sensitive comparison on this buffer equalsIgnoreCase(Buffer buffer)
public byte	Returns: The `byte` value from the current getIndex. get() Get the byte at the current getIndex and increment it.
public int	Returns: The number of bytes actually read. get(byte[] The byte array to fill. b, int Offset in the array. offset, int The max number of bytes to read. length) Get bytes from the current postion and put them into the passed byte array.
public Buffer	Returns: a `Buffer` value get(int an `int` value length)
public int	Returns: an `int` value >=0 <= putIndex() getIndex() The index within the buffer that will next be read or written.
public boolean	Returns: true of putIndex > getIndex hasContent()
public boolean	Returns: a `boolean` value true if the buffer is immutable and that neither the buffer contents nor the indexes may be changed. isImmutable()
public boolean	Returns: a `boolean` value true if the buffer is readonly. The buffer indexes may be modified, but the buffer contents may not. For example a View onto an immutable Buffer will be read only. isReadOnly()
public boolean	Returns: a `boolean` value true if the buffer contents may change via alternate paths than this buffer. If the contents of this buffer are to be used outside of the current context, then a copy must be made. isVolatile()
public int	Returns: an `int` == putIndex()-getIndex() length() The number of bytes from the getIndex to the putIndex
public void	mark() Set the mark to the current getIndex.
public void	mark(int an `int` value to add to the current getIndex to obtain the mark value. offset) Set the mark relative to the current getIndex
public int	Returns: an `int` index in the buffer or -1 if the mark is not set. markIndex() The current index of the mark.
public byte	Returns: The `byte` value from the current getIndex. peek() Get the byte at the current getIndex without incrementing the getIndex.
public byte	Returns: a `byte` value peek(int an `int` value index) Get the byte at a specific index in the buffer.
public Buffer	Returns: The `Buffer` value from the requested getIndex. peek(int an `int` value index, int an `int` value length)
public int	Returns: The number of bytes actually peeked peek(int an `int` value index, byte[] The byte array to peek into b, int The offset into the array to start peeking offset, int an `int` value length)
public int	Returns: The number of bytes actually poked poke(int an `int` value index, Buffer a `Buffer`. If the source buffer is not modified src) Put the contents of the buffer at the specific index.
public void	poke(int an `int` value index, byte a `byte` value b) Put a specific byte to a specific getIndex.
public int	Returns: The number of bytes actually poked poke(int an `int` value index, byte[] a `byte array` value b, int offset, int length) Put a specific byte to a specific getIndex.
public int	Returns: The number of bytes actually poked put(Buffer The source `Buffer` it is not modified. src) Write the bytes from the source buffer to the current getIndex.
public void	put(byte a `byte` value b) Put a byte to the current getIndex and increment the getIndex.
public int	Returns: The number of bytes actually poked put(byte[] a `byte` value b, int offset, int length) Put a byte to the current getIndex and increment the getIndex.
public int	Returns: The number of bytes actually poked put(byte[] a `byte` value b) Put a byte to the current getIndex and increment the getIndex.
public int	Returns: an `int` value >= getIndex() putIndex() The index of the first element that should not be read.
public int	Returns: actual number of bytes read or -1 for EOF readFrom(InputStream input stream in, int maximum number of bytes that may be read max) Read the buffer's contents from the input stream
public void	reset() Reset the current getIndex to the mark
public void	setGetIndex(int an `int` value newStart) Set the buffers start getIndex.
public void	setMarkIndex(int an `int` value newMark) Set a specific value for the mark.
public void	setPutIndex(int an `int` value newLimit)
public int	Returns: the number of bytes skipped. skip(int The number of bytes to skip n) Skip _content.
public Buffer	Returns: a volitile `Buffer` from the postion to the putIndex. slice()
public Buffer	Returns: a volitile `Buffer` value from the mark to the putIndex sliceFromMark()
public Buffer	Returns: a valitile `Buffer` value from the mark of the length requested. sliceFromMark(int an `int` value length)
public int	Returns: capacity - putIndex space() the space remaining in the buffer.
public String	Returns: a `String` value describing the state and contents of the buffer. toDetailString()
public void	writeTo(OutputStream out) Write the buffer's contents to the output stream

IMMUTABLE	back to summary
public static final int IMMUTABLE

NON_VOLATILE	back to summary
public static final boolean NON_VOLATILE

READONLY	back to summary
public static final int READONLY

READWRITE	back to summary
public static final int READWRITE

VOLATILE	back to summary
public static final boolean VOLATILE

Method Detail

array back to summary

array	back to summary
public byte[] array() Get the underlying array, if one exists. Returns:byte[] a `byte[]` backing this buffer or null if none exists.

public byte[] array()

Get the underlying array, if one exists.

Returns:byte[]: a byte[] backing this buffer or null if none exists.

asArray	back to summary
public byte[] asArray() Returns:byte[] a `byte[]` value of the bytes from the getIndex to the putIndex.

asImmutableBuffer	back to summary
public Buffer asImmutableBuffer() Returns:Buffer an immutable version of this `Buffer`.

asMutableBuffer	back to summary
public Buffer asMutableBuffer() Returns:Buffer an immutable version of this `Buffer`.

asNonVolatileBuffer	back to summary
public Buffer asNonVolatileBuffer() Returns:Buffer a non volitile version of this `Buffer` value

asReadOnlyBuffer	back to summary
public Buffer asReadOnlyBuffer() Returns:Buffer a readonly version of this `Buffer`.

buffer	back to summary
public Buffer buffer() Get the unerlying buffer. If this buffer wraps a backing buffer. Returns:Buffer The root backing buffer or this if there is no backing buffer;

buffer

back to summary

public Buffer buffer()

Get the unerlying buffer. If this buffer wraps a backing buffer.

Returns:Buffer: The root backing buffer or this if there is no backing buffer;

capacity back to summary

capacity	back to summary
public int capacity() The capacity of the buffer. This is the maximum putIndex that may be set. Returns:int an `int` value

public int capacity()

The capacity of the buffer. This is the maximum putIndex that may be set.

Returns:int: an int value

clear	back to summary
public void clear() Clear the buffer. getIndex=0, putIndex=0.

compact	back to summary
public void compact() Compact the buffer by discarding bytes before the postion (or mark if set). Bytes from the getIndex (or mark) to the putIndex are moved to the beginning of the buffer and the values adjusted accordingly.

equalsIgnoreCase	back to summary
public boolean equalsIgnoreCase(Buffer buffer) Returns:boolean a `boolean` value true if case sensitive comparison on this buffer

get back to summary

get	back to summary
public byte get() Get the byte at the current getIndex and increment it. Returns:byte The `byte` value from the current getIndex.

public byte get()

Get the byte at the current getIndex and increment it.

Returns:byte: The byte value from the current getIndex.

get	back to summary
public int get(byte[] b, int offset, int length) Get bytes from the current postion and put them into the passed byte array. The getIndex is incremented by the number of bytes copied into the array. Parameters b:byte[] The byte array to fill. offset:int Offset in the array. length:int The max number of bytes to read. Returns:int The number of bytes actually read.

get

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public int get(byte[] b, int offset, int length)

Get bytes from the current postion and put them into the passed byte array. The getIndex is incremented by the number of bytes copied into the array.

Parameters

b:byte[]: The byte array to fill.
offset:int: Offset in the array.
length:int: The max number of bytes to read.

Returns:int

The number of bytes actually read.

get	back to summary
public Buffer get(int length) Parameters length:int an `int` value Returns:Buffer a `Buffer` value

getIndex back to summary

getIndex	back to summary
public int getIndex() The index within the buffer that will next be read or written. Returns:int an `int` value >=0 <= putIndex()

public int getIndex()

The index within the buffer that will next be read or written.

Returns:int: an int value >=0 <= putIndex()

hasContent	back to summary
public boolean hasContent() Returns:boolean true of putIndex > getIndex

isImmutable	back to summary
public boolean isImmutable() Returns:boolean a `boolean` value true if the buffer is immutable and that neither the buffer contents nor the indexes may be changed.

isReadOnly	back to summary
public boolean isReadOnly() Returns:boolean a `boolean` value true if the buffer is readonly. The buffer indexes may be modified, but the buffer contents may not. For example a View onto an immutable Buffer will be read only.

isVolatile	back to summary
public boolean isVolatile() Returns:boolean a `boolean` value true if the buffer contents may change via alternate paths than this buffer. If the contents of this buffer are to be used outside of the current context, then a copy must be made.

length back to summary

length	back to summary
public int length() The number of bytes from the getIndex to the putIndex Returns:int an `int` == putIndex()-getIndex()

public int length()

The number of bytes from the getIndex to the putIndex

Returns:int: an int == putIndex()-getIndex()

mark	back to summary
public void mark() Set the mark to the current getIndex.

mark back to summary

mark	back to summary
public void mark(int offset) Set the mark relative to the current getIndex Parameters offset:int an `int` value to add to the current getIndex to obtain the mark value.

public void mark(int offset)

Set the mark relative to the current getIndex

Parameters

offset:int: an int value to add to the current getIndex to obtain the mark value.

markIndex back to summary

markIndex	back to summary
public int markIndex() The current index of the mark. Returns:int an `int` index in the buffer or -1 if the mark is not set.

public int markIndex()

The current index of the mark.

Returns:int: an int index in the buffer or -1 if the mark is not set.

peek back to summary

peek	back to summary
public byte peek() Get the byte at the current getIndex without incrementing the getIndex. Returns:byte The `byte` value from the current getIndex.

public byte peek()

Get the byte at the current getIndex without incrementing the getIndex.

Returns:byte: The byte value from the current getIndex.

peek back to summary

peek	back to summary
public byte peek(int index) Get the byte at a specific index in the buffer. Parameters index:int an `int` value Returns:byte a `byte` value

public byte peek(int index)

Get the byte at a specific index in the buffer.

Parameters

index:int: an int value

Returns:byte

a byte value

peek	back to summary
public Buffer peek(int index, int length) Parameters index:int an `int` value length:int an `int` value Returns:Buffer The `Buffer` value from the requested getIndex.

peek	back to summary
public int peek(int index, byte[] b, int offset, int length) Parameters index:int an `int` value b:byte[] The byte array to peek into offset:int The offset into the array to start peeking length:int an `int` value Returns:int The number of bytes actually peeked

poke back to summary

poke	back to summary
public int poke(int index, Buffer src) Put the contents of the buffer at the specific index. Parameters index:int an `int` value src:Buffer a `Buffer`. If the source buffer is not modified Returns:int The number of bytes actually poked

public int poke(int index, Buffer src)

Put the contents of the buffer at the specific index.

Parameters

index:int: an int value
src:Buffer: a Buffer. If the source buffer is not modified

Returns:int

The number of bytes actually poked

poke back to summary

poke	back to summary
public void poke(int index, byte b) Put a specific byte to a specific getIndex. Parameters index:int an `int` value b:byte a `byte` value

public void poke(int index, byte b)

Put a specific byte to a specific getIndex.

Parameters

index:int: an int value
b:byte: a byte value

poke back to summary

poke	back to summary
public int poke(int index, byte[] b, int offset, int length) Put a specific byte to a specific getIndex. Parameters index:int an `int` value b:byte[] a `byte array` value Returns:int The number of bytes actually poked

public int poke(int index, byte[] b, int offset, int length)

Put a specific byte to a specific getIndex.

Parameters

index:int: an int value
b:byte[]: a byte array value

Returns:int

The number of bytes actually poked

put back to summary

put	back to summary
public int put(Buffer src) Write the bytes from the source buffer to the current getIndex. Parameters src:Buffer The source `Buffer` it is not modified. Returns:int The number of bytes actually poked

public int put(Buffer src)

Write the bytes from the source buffer to the current getIndex.

Parameters

src:Buffer: The source Buffer it is not modified.

Returns:int

The number of bytes actually poked

put back to summary

put	back to summary
public void put(byte b) Put a byte to the current getIndex and increment the getIndex. Parameters b:byte a `byte` value

public void put(byte b)

Put a byte to the current getIndex and increment the getIndex.

Parameters

b:byte: a byte value

put back to summary

put	back to summary
public int put(byte[] b, int offset, int length) Put a byte to the current getIndex and increment the getIndex. Parameters b:byte[] a `byte` value Returns:int The number of bytes actually poked

public int put(byte[] b, int offset, int length)

Put a byte to the current getIndex and increment the getIndex.

Parameters

b:byte[]: a byte value

Returns:int

The number of bytes actually poked

put back to summary

put	back to summary
public int put(byte[] b) Put a byte to the current getIndex and increment the getIndex. Parameters b:byte[] a `byte` value Returns:int The number of bytes actually poked

public int put(byte[] b)

Put a byte to the current getIndex and increment the getIndex.

Parameters

b:byte[]: a byte value

Returns:int

The number of bytes actually poked

putIndex back to summary

putIndex	back to summary
public int putIndex() The index of the first element that should not be read. Returns:int an `int` value >= getIndex()

public int putIndex()

The index of the first element that should not be read.

Returns:int: an int value >= getIndex()

readFrom	back to summary
public int readFrom(InputStream in, int max) throws IOException Read the buffer's contents from the input stream Parameters in:InputStream input stream max:int maximum number of bytes that may be read Returns:int actual number of bytes read or -1 for EOF

readFrom

back to summary

public int readFrom(InputStream in, int max) throws IOException

Read the buffer's contents from the input stream

Parameters

in:InputStream: input stream
max:int: maximum number of bytes that may be read

Returns:int

actual number of bytes read or -1 for EOF

reset	back to summary
public void reset() Reset the current getIndex to the mark

setGetIndex back to summary

setGetIndex	back to summary
public void setGetIndex(int newStart) Set the buffers start getIndex. Parameters newStart:int an `int` value

public void setGetIndex(int newStart)

Set the buffers start getIndex.

Parameters

newStart:int: an int value

setMarkIndex back to summary

setMarkIndex	back to summary
public void setMarkIndex(int newMark) Set a specific value for the mark. Parameters newMark:int an `int` value

public void setMarkIndex(int newMark)

Set a specific value for the mark.

Parameters

newMark:int: an int value

setPutIndex	back to summary
public void setPutIndex(int newLimit) Parameters newLimit:int an `int` value

skip	back to summary
public int skip(int n) Skip _content. The getIndex is updated by min(remaining(), n) Parameters n:int The number of bytes to skip Returns:int the number of bytes skipped.

skip

back to summary

public int skip(int n)

Skip _content. The getIndex is updated by min(remaining(), n)

Parameters

n:int: The number of bytes to skip

Returns:int

the number of bytes skipped.

slice	back to summary
public Buffer slice() Returns:Buffer a volitile `Buffer` from the postion to the putIndex.

sliceFromMark	back to summary
public Buffer sliceFromMark() Returns:Buffer a volitile `Buffer` value from the mark to the putIndex

sliceFromMark	back to summary
public Buffer sliceFromMark(int length) Parameters length:int an `int` value Returns:Buffer a valitile `Buffer` value from the mark of the length requested.

space

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public int space()

the space remaining in the buffer.

Returns:int: capacity - putIndex

toDetailString	back to summary
public String toDetailString() Returns:String a `String` value describing the state and contents of the buffer.

writeTo	back to summary
public void writeTo(OutputStream out) throws IOException Write the buffer's contents to the output stream

public Interface Buffer

Nested and Inner Type Summary

Field Summary

Method Summary

Field Detail

Method Detail

public Interface Buffer.CaseInsensitve