Java Doc for InternalInputBuffer.java in  » Sevlet-Container » tomcat-connectors » org » apache » coyote » http11 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » tomcat connectors » org.apache.coyote.http11 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.apache.coyote.http11.InternalInputBuffer

InternalInputBuffer
public class InternalInputBuffer implements InputBuffer(Code)
Implementation of InputBuffer which provides HTTP request header parsing as well as transfer decoding.
author:
   Remy Maucherat

Inner Class :protected class InputStreamInputBuffer implements InputBuffer

Field Summary
protected  InputFilter[]activeFilters
     Active filters (in order).
protected  char[]ascbuf
     Pointer to the US-ASCII header buffer.
protected  byte[]bodyBuffer
     HTTP body buffer.
protected  byte[]buf
     Pointer to the current read buffer.
protected  InputFilter[]filterLibrary
     Filter library.
protected  char[]headerBuffer
     US-ASCII header buffer.
protected  byte[]headerBuffer1
     HTTP header buffer no 1.
protected  byte[]headerBuffer2
     HTTP header buffer no 2.
protected  MimeHeadersheaders
     Headers of the associated request.
protected  InputStreaminputStream
     Underlying input stream.
protected  InputBufferinputStreamInputBuffer
     Underlying input buffer.
protected  intlastActiveFilter
     Index of the last active filter.
protected  intlastValid
     Last valid byte.
protected  booleanparsingHeader
     State.
protected  intpos
     Position in the buffer.
protected  Requestrequest
     Associated Coyote request.
protected static  StringManagersm
     The string manager for this package.
protected  booleanswallowInput
    

Constructor Summary
public  InternalInputBuffer(Request request)
     Default constructor.
public  InternalInputBuffer(Request request, int headerBufferSize)
     Alternate constructor.

Method Summary
public  voidaddActiveFilter(InputFilter filter)
     Add an input filter to the filter library.
public  voidaddFilter(InputFilter filter)
     Add an input filter to the filter library.
public  voidclearFilters()
     Clear filters.
public  intdoRead(ByteChunk chunk, Request req)
     Read some bytes.
public  voidendRequest()
     End request (consumes leftover bytes).
protected  booleanfill()
     Fill the internal buffer using data from the undelying input stream.
public  InputFilter[]getFilters()
     Get filters.
public  InputStreamgetInputStream()
     Get the underlying socket input stream.
public  voidnextRequest()
     End processing of current HTTP request. Note: All bytes of the current request should have been already consumed.
public  booleanparseHeader()
     Parse an HTTP header.
public  voidparseHeaders()
     Parse the HTTP headers.
public  voidparseRequestLine()
     Read the request line.
public  voidrecycle()
     Recycle the input buffer.
public  voidsetInputStream(InputStream inputStream)
     Set the underlying socket input stream.
public  voidsetSwallowInput(boolean swallowInput)
     Set the swallow input flag.

Field Detail
activeFilters
protected InputFilter[] activeFilters(Code)
Active filters (in order).



ascbuf
protected char[] ascbuf(Code)
Pointer to the US-ASCII header buffer.



bodyBuffer
protected byte[] bodyBuffer(Code)
HTTP body buffer.



buf
protected byte[] buf(Code)
Pointer to the current read buffer.



filterLibrary
protected InputFilter[] filterLibrary(Code)
Filter library. Note: Filter[0] is always the "chunked" filter.



headerBuffer
protected char[] headerBuffer(Code)
US-ASCII header buffer.



headerBuffer1
protected byte[] headerBuffer1(Code)
HTTP header buffer no 1.



headerBuffer2
protected byte[] headerBuffer2(Code)
HTTP header buffer no 2.



headers
protected MimeHeaders headers(Code)
Headers of the associated request.



inputStream
protected InputStream inputStream(Code)
Underlying input stream.



inputStreamInputBuffer
protected InputBuffer inputStreamInputBuffer(Code)
Underlying input buffer.



lastActiveFilter
protected int lastActiveFilter(Code)
Index of the last active filter.



lastValid
protected int lastValid(Code)
Last valid byte.



parsingHeader
protected boolean parsingHeader(Code)
State.



pos
protected int pos(Code)
Position in the buffer.



request
protected Request request(Code)
Associated Coyote request.



sm
protected static StringManager sm(Code)
The string manager for this package.



swallowInput
protected boolean swallowInput(Code)
Swallow input ? (in the case of an expectation)




Constructor Detail
InternalInputBuffer
public InternalInputBuffer(Request request)(Code)
Default constructor.



InternalInputBuffer
public InternalInputBuffer(Request request, int headerBufferSize)(Code)
Alternate constructor.




Method Detail
addActiveFilter
public void addActiveFilter(InputFilter filter)(Code)
Add an input filter to the filter library.



addFilter
public void addFilter(InputFilter filter)(Code)
Add an input filter to the filter library.



clearFilters
public void clearFilters()(Code)
Clear filters.



doRead
public int doRead(ByteChunk chunk, Request req) throws IOException(Code)
Read some bytes.



endRequest
public void endRequest() throws IOException(Code)
End request (consumes leftover bytes).
throws:
  IOException - an undelying I/O error occured



fill
protected boolean fill() throws IOException(Code)
Fill the internal buffer using data from the undelying input stream. false if at end of stream



getFilters
public InputFilter[] getFilters()(Code)
Get filters.



getInputStream
public InputStream getInputStream()(Code)
Get the underlying socket input stream.



nextRequest
public void nextRequest() throws IOException(Code)
End processing of current HTTP request. Note: All bytes of the current request should have been already consumed. This method only resets all the pointers so that we are ready to parse the next HTTP request.



parseHeader
public boolean parseHeader() throws IOException(Code)
Parse an HTTP header. false after reading a blank line (which indicates that theHTTP header parsing is done



parseHeaders
public void parseHeaders() throws IOException(Code)
Parse the HTTP headers.



parseRequestLine
public void parseRequestLine() throws IOException(Code)
Read the request line. This function is meant to be used during the HTTP request header parsing. Do NOT attempt to read the request body using it.
throws:
  IOException - If an exception occurs during the underlying socketread operations, or if the given buffer is not big enough to accomodatethe whole line.



recycle
public void recycle()(Code)
Recycle the input buffer. This should be called when closing the connection.



setInputStream
public void setInputStream(InputStream inputStream)(Code)
Set the underlying socket input stream.



setSwallowInput
public void setSwallowInput(boolean swallowInput)(Code)
Set the swallow input flag.



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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