Module org.glassfish.grizzly.http
Package org.glassfish.grizzly.http.util

Class ByteChunk

java.lang.Object
org.glassfish.grizzly.http.util.ByteChunk
All Implemented Interfaces:
Serializable, Cloneable, Chunk
public final class ByteChunk extends Object implements Chunk, Cloneable, Serializable
This class is used to represent a chunk of bytes, and utilities to manipulate byte[]. The buffer can be modified and used for both input and output.
Author:
dac@sun.com, James Todd [gonzo@sun.com], Costin Manolache, Remy Maucherat
See Also:

  • Constructor Details

    • ByteChunk

      public ByteChunk()
      Creates a new, uninitialized ByteChunk object.

    • ByteChunk

      public ByteChunk(int initial)

  • Method Details

    • getClone

      public ByteChunk getClone()

    • isNull

      public boolean isNull()

    • recycle

      public void recycle()
      Resets the message buff to an uninitialized state.

    • recycleAndReset

      public void recycleAndReset()

    • reset

      public void reset()

    • resetStringCache

      protected void resetStringCache()

    • allocate

      public void allocate(int initial, int limit)

    • setBytes

      public void setBytes(byte[] b, int off, int len)
      Sets the message bytes to the specified sub-array of bytes.
      Parameters:
      b - the ascii bytes
      off - the start offset of the bytes
      len - the length of the bytes

    • setOptimizedWrite

      public void setOptimizedWrite(boolean optimizedWrite)

    • getCharset

      public Charset getCharset()

    • setCharset

      public void setCharset(Charset charset)

    • getBytes

      public byte[] getBytes()
      Returns the message bytes.

    • getBuffer

      public byte[] getBuffer()
      Returns the message bytes.

    • getStart

      public int getStart()
      Returns the start offset of the bytes. For output this is the end of the buffer.
      Specified by:
      getStart in interface Chunk

    • getOffset

      public int getOffset()

    • setStart

      public void setStart(int start)
      Specified by:
      setStart in interface Chunk

    • setOffset

      public void setOffset(int off)

    • getLength

      public int getLength()
      Returns the length of the bytes. XXX need to clean this up
      Specified by:
      getLength in interface Chunk

    • setLimit

      public void setLimit(int limit)
      Maximum amount of data in this buffer. If -1 or not set, the buffer will grow indefinitely. Can be smaller than the current buffer size ( which will not shrink ). When the limit is reached, the buffer will be flushed ( if out is set ) or throw exception.

    • getLimit

      public int getLimit()

    • setByteInputChannel

      public void setByteInputChannel(ByteChunk.ByteInputChannel in)
      When the buffer is empty, read the data from the input channel.

    • setByteOutputChannel

      public void setByteOutputChannel(ByteChunk.ByteOutputChannel out)
      When the buffer is full, write the data to the output channel. Also used when large amount of data is appended. If not set, the buffer will grow to the limit.

    • getEnd

      public int getEnd()
      Specified by:
      getEnd in interface Chunk

    • setEnd

      public void setEnd(int i)
      Specified by:
      setEnd in interface Chunk

    • notifyDirectUpdate

      protected void notifyDirectUpdate()
      Notify the Chunk that its content is going to be changed directly

    • indexOf

      public int indexOf(String s, int fromIdx)
      Specified by:
      indexOf in interface Chunk

    • delete

      public void delete(int start, int end)
      Specified by:
      delete in interface Chunk

    • append

      public void append(char c) throws IOException
      Throws:
      IOException

    • append

      public void append(byte b) throws IOException
      Throws:
      IOException

    • append

      public void append(ByteChunk src) throws IOException
      Throws:
      IOException

    • append

      public void append(byte[] src, int off, int len) throws IOException
      Add data to the buffer
      Throws:
      IOException

    • substract

      public int substract() throws IOException
      Throws:
      IOException

    • substract

      public int substract(ByteChunk src) throws IOException
      Throws:
      IOException

    • substract

      public int substract(byte[] src, int off, int len) throws IOException
      Throws:
      IOException

    • flushBuffer

      public void flushBuffer() throws IOException
      Throws:
      IOException

    • trimLeft

      public void trimLeft()

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • toString

      public String toString(int start, int end)
      Specified by:
      toString in interface Chunk

    • toString

      public String toString(Charset charset)

    • toStringInternal

      public String toStringInternal()

    • getInt

      public int getInt()

    • getLong

      public long getLong()

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object

    • equals

      public boolean equals(String s)
      Compares the message bytes to the specified String object.
      Parameters:
      s - the String to compare
      Returns:
      true if the comparison succeeded, false otherwise

    • equals

      public boolean equals(byte[] bytes)
      Compares the message bytes to the specified byte array.
      Parameters:
      bytes - the byte[] to compare
      Returns:
      true if the comparison succeeded, false otherwise
      Since:
      2.3

    • equalsIgnoreCase

      public boolean equalsIgnoreCase(String s)
      Compares the message bytes to the specified String object.
      Parameters:
      s - the String to compare
      Returns:
      true if the comparison succeeded, false otherwise

    • equalsIgnoreCase

      public boolean equalsIgnoreCase(byte[] b)

    • equalsIgnoreCase

      public boolean equalsIgnoreCase(byte[] b, int offset, int len)

    • equalsIgnoreCaseLowerCase

      public boolean equalsIgnoreCaseLowerCase(byte[] cmpTo)

    • equals

      public boolean equals(ByteChunk bb)

    • equals

      public boolean equals(byte[] b2, int off2, int len2)

    • equals

      public boolean equals(CharChunk cc)

    • equals

      public boolean equals(char[] c2, int off2, int len2)

    • startsWith

      public boolean startsWith(String s)
      Returns true if the message bytes starts with the specified string.
      Parameters:
      s - the string

    • startsWith

      public boolean startsWith(String s, int offset)
      Returns true if the message bytes starts with the specified string.
      Parameters:
      s - the string
      offset - The position

    • startsWith

      public boolean startsWith(byte[] b2)

    • startsWithIgnoreCase

      public boolean startsWithIgnoreCase(String s, int pos)
      Returns true if the message bytes starts with the specified string.
      Parameters:
      s - the string
      pos - The position

    • indexOf

      public int indexOf(String src, int srcOff, int srcLen, int myOff)

    • hash

      public int hash()

    • hashIgnoreCase

      public int hashIgnoreCase()

    • equals

      public static boolean equals(byte[] b1, int b1Offs, int b1Len, byte[] b2, int b2Offs, int b2Len)

    • equals

      public static boolean equals(byte[] b, int offs, int len, String s)

    • equalsIgnoreCase

      public static boolean equalsIgnoreCase(byte[] b1, int b1Offs, int b1Len, byte[] b2, int b2Offs, int b2Len)

    • equalsIgnoreCase

      public static boolean equalsIgnoreCase(byte[] b, int offset, int len, String s)
      Compares the message bytes to the specified String object.
      Parameters:
      s - the String to compare
      Returns:
      true if the comparison succeeded, false otherwise

    • equalsIgnoreCaseLowerCase

      public static boolean equalsIgnoreCaseLowerCase(byte[] buffer, int start, int end, byte[] cmpTo)
      Compares the buffer chunk to the specified byte array representing lower-case ASCII characters.
      Parameters:
      buffer - the byte[] to compare
      start - buffer start
      end - buffer end
      cmpTo - byte[] to compare against
      Returns:
      true if the comparison succeeded, false otherwise
      Since:
      2.3

    • startsWith

      public static boolean startsWith(byte[] buffer, int start, int end, byte[] cmpTo)

    • indexOf

      public int indexOf(char c, int starting)
      Returns true if the message bytes starts with the specified string.
      Specified by:
      indexOf in interface Chunk
      Parameters:
      c - the character
      starting - The start position

    • indexOf

      public static int indexOf(byte[] bytes, int off, int end, char qq)

    • findChar

      public static int findChar(byte[] buf, int start, int end, char c)
      Find a character, no side effects.
      Returns:
      index of char if found, -1 if not

    • findChars

      public static int findChars(byte[] buf, int start, int end, byte[] c)
      Find a character, no side effects.
      Returns:
      index of char if found, -1 if not

    • findNotChars

      public static int findNotChars(byte[] buf, int start, int end, byte[] c)
      Find the first character != c
      Returns:
      index of char if found, -1 if not

    • convertToBytes

      public static byte[] convertToBytes(String value)
      Convert specified String to a byte array.
      Parameters:
      value - to convert to byte array
      Returns:
      the byte array value