Java Doc for Msg.java in  » Sevlet-Container » apache-tomcat-6.0.14 » org » apache » jk » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » apache tomcat 6.0.14 » org.apache.jk.core 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.jk.core.Msg

All known Subclasses:   org.apache.jk.common.MsgAjp,
Msg
abstract public class Msg (Code)
A single packet for communication between the web server and the container. In a more generic sense, it's the event that drives the processing chain. XXX Use Event, make Msg a particular case.
author:
   Henri Gomez [hgomez@apache.org]
author:
   Dan Milstein [danmil@shore.net]
author:
   Keith Wannamaker [Keith@Wannamaker.org]
author:
   Kevin Seguin
author:
   Costin Manolache




Method Summary
abstract public  voidappendByte(int val)
    
abstract public  voidappendByteChunk(ByteChunk bc)
    
abstract public  voidappendBytes(MessageBytes mb)
    
abstract public  voidappendBytes(byte b, int off, int numBytes)
     Copy a chunk of bytes into the packet, starting at the current write position.
abstract public  voidappendInt(int val)
    
abstract public  voidappendLongInt(int val)
    
abstract public  voiddump(String msg)
    
abstract public  voidend()
     For a packet to be sent to the web server, finish the process of accumulating data and write the length of the data payload into the header.
abstract public  byte[]getBuffer()
    
abstract public  bytegetByte()
    
abstract public  voidgetBytes(MessageBytes mb)
    
abstract public  intgetBytes(byte dest)
     Copy a chunk of bytes from the packet into an array and advance the read position past the chunk.
abstract public  intgetHeaderLength()
    
abstract public  intgetInt()
     Read an integer from packet, and advance the read position past it.
abstract public  intgetLen()
    
abstract public  intgetLongInt()
     Read a 32 bits integer from packet, and advance the read position past it.
public static  StringhexLine(byte buf, int start, int len)
    
abstract public  bytepeekByte()
    
abstract public  intpeekInt()
    
abstract public  intprocessHeader()
    
abstract public  voidreset()
     Prepare this packet for accumulating a message from the container to the web server.



Method Detail
appendByte
abstract public void appendByte(int val)(Code)



appendByteChunk
abstract public void appendByteChunk(ByteChunk bc) throws IOException(Code)



appendBytes
abstract public void appendBytes(MessageBytes mb) throws IOException(Code)



appendBytes
abstract public void appendBytes(byte b, int off, int numBytes)(Code)
Copy a chunk of bytes into the packet, starting at the current write position. The chunk of bytes is encoded with the length in two bytes first, then the data itself, and finally a terminating \0 (which is not included in the encoded length).
Parameters:
  b - The array from which to copy bytes.
Parameters:
  off - The offset into the array at which to start copying
Parameters:
  numBytes - The number of bytes to copy.



appendInt
abstract public void appendInt(int val)(Code)



appendLongInt
abstract public void appendLongInt(int val)(Code)



dump
abstract public void dump(String msg)(Code)



end
abstract public void end()(Code)
For a packet to be sent to the web server, finish the process of accumulating data and write the length of the data payload into the header.



getBuffer
abstract public byte[] getBuffer()(Code)



getByte
abstract public byte getByte()(Code)



getBytes
abstract public void getBytes(MessageBytes mb)(Code)



getBytes
abstract public int getBytes(byte dest)(Code)
Copy a chunk of bytes from the packet into an array and advance the read position past the chunk. See appendBytes() for details on the encoding. The number of bytes copied.



getHeaderLength
abstract public int getHeaderLength()(Code)



getInt
abstract public int getInt()(Code)
Read an integer from packet, and advance the read position past it. Integers are encoded as two unsigned bytes with the high-order byte first, and, as far as I can tell, in little-endian order within each byte.



getLen
abstract public int getLen()(Code)



getLongInt
abstract public int getLongInt()(Code)
Read a 32 bits integer from packet, and advance the read position past it. Integers are encoded as four unsigned bytes with the high-order byte first, and, as far as I can tell, in little-endian order within each byte.



hexLine
public static String hexLine(byte buf, int start, int len)(Code)



peekByte
abstract public byte peekByte()(Code)



peekInt
abstract public int peekInt()(Code)



processHeader
abstract public int processHeader()(Code)



reset
abstract public void reset()(Code)
Prepare this packet for accumulating a message from the container to the web server. Set the write position to just after the header (but leave the length unwritten, because it is as yet unknown).



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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