Java Doc for OutputBuffer.java in  » Sevlet-Container » apache-tomcat-6.0.14 » org » apache » catalina » connector » 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.catalina.connector 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.io.Writer
      org.apache.catalina.connector.OutputBuffer

OutputBuffer
public class OutputBuffer extends Writer implements ByteChunk.ByteOutputChannel(Code)
The buffer used by Tomcat response. This is a derivative of the Tomcat 3.3 OutputBuffer, with the removal of some of the state handling (which in Coyote is mostly the Processor's responsability).
author:
   Costin Manolache
author:
   Remy Maucherat


Field Summary
final public static  intDEFAULT_BUFFER_SIZE
    
final public static  StringDEFAULT_ENCODING
    
protected  C2BConverterconv
     Current char to byte converter.
protected  HashMapencoders
     List of encoders.

Constructor Summary
public  OutputBuffer()
     Default constructor.
public  OutputBuffer(int size)
     Alternate constructor which allows specifying the initial buffer size.

Method Summary
public  voidcheckConverter()
    
public  voidclearEncoders()
     Clear cached encoders (to save memory for Comet requests).
public  voidclose()
     Close the output buffer.
protected  voiddoFlush(boolean realFlush)
     Flush bytes or chars contained in the buffer.
public  voidflush()
     Flush bytes or chars contained in the buffer.
public  voidflushBytes()
    
public  intgetBufferSize()
    
public  intgetBytesWritten()
    
public  intgetCharsWritten()
    
public  intgetContentWritten()
    
public  ResponsegetResponse()
     Get associated Coyote response.
public  booleanisClosed()
    
public  booleanisNew()
     True if this buffer hasn't been used ( since recycle() ) - i.e.
public  booleanisSuspended()
    
public  voidrealWriteBytes(byte buf, int off, int cnt)
     Sends the buffer data to the client output, checking the state of Response and calling the right interceptors.
public  voidrecycle()
     Recycle the output buffer.
public  voidreset()
    
public  voidsetBufferSize(int size)
    
protected  voidsetConverter()
    
public  voidsetEncoding(String s)
    
public  voidsetResponse(Response coyoteResponse)
     Associated Coyote response.
public  voidsetSuspended(boolean suspended)
     Set the suspended flag.
public  voidwrite(byte b, int off, int len)
    
public  voidwrite(int c)
    
public  voidwrite(char c)
    
public  voidwrite(char c, int off, int len)
    
public  voidwrite(String s, int off, int len)
    
public  voidwrite(String s)
    
public  voidwriteByte(int b)
    

Field Detail
DEFAULT_BUFFER_SIZE
final public static int DEFAULT_BUFFER_SIZE(Code)



DEFAULT_ENCODING
final public static String DEFAULT_ENCODING(Code)



conv
protected C2BConverter conv(Code)
Current char to byte converter.



encoders
protected HashMap encoders(Code)
List of encoders.




Constructor Detail
OutputBuffer
public OutputBuffer()(Code)
Default constructor. Allocate the buffer with the default buffer size.



OutputBuffer
public OutputBuffer(int size)(Code)
Alternate constructor which allows specifying the initial buffer size.
Parameters:
  size - Buffer size to use




Method Detail
checkConverter
public void checkConverter() throws IOException(Code)



clearEncoders
public void clearEncoders()(Code)
Clear cached encoders (to save memory for Comet requests).



close
public void close() throws IOException(Code)
Close the output buffer. This tries to calculate the response size if the response has not been committed yet.
throws:
  IOException - An underlying IOException occurred



doFlush
protected void doFlush(boolean realFlush) throws IOException(Code)
Flush bytes or chars contained in the buffer.
throws:
  IOException - An underlying IOException occurred



flush
public void flush() throws IOException(Code)
Flush bytes or chars contained in the buffer.
throws:
  IOException - An underlying IOException occurred



flushBytes
public void flushBytes() throws IOException(Code)
Real write - this buffer will be sent to the client



getBufferSize
public int getBufferSize()(Code)



getBytesWritten
public int getBytesWritten()(Code)



getCharsWritten
public int getCharsWritten()(Code)



getContentWritten
public int getContentWritten()(Code)



getResponse
public Response getResponse()(Code)
Get associated Coyote response. the associated Coyote response



isClosed
public boolean isClosed()(Code)
Is the response output closed ? closed flag value



isNew
public boolean isNew()(Code)
True if this buffer hasn't been used ( since recycle() ) - i.e. no chars or bytes have been added to the buffer.



isSuspended
public boolean isSuspended()(Code)
Is the response output suspended ? suspended flag value



realWriteBytes
public void realWriteBytes(byte buf, int off, int cnt) throws IOException(Code)
Sends the buffer data to the client output, checking the state of Response and calling the right interceptors.
Parameters:
  buf - Byte buffer to be written to the response
Parameters:
  off - Offset
Parameters:
  cnt - Length
throws:
  IOException - An underlying IOException occurred



recycle
public void recycle()(Code)
Recycle the output buffer.



reset
public void reset()(Code)



setBufferSize
public void setBufferSize(int size)(Code)



setConverter
protected void setConverter() throws IOException(Code)



setEncoding
public void setEncoding(String s)(Code)



setResponse
public void setResponse(Response coyoteResponse)(Code)
Associated Coyote response.
Parameters:
  coyoteResponse - Associated Coyote response



setSuspended
public void setSuspended(boolean suspended)(Code)
Set the suspended flag.
Parameters:
  suspended - New suspended flag value



write
public void write(byte b, int off, int len) throws IOException(Code)



write
public void write(int c) throws IOException(Code)



write
public void write(char c) throws IOException(Code)



write
public void write(char c, int off, int len) throws IOException(Code)



write
public void write(String s, int off, int len) throws IOException(Code)
Append a string to the buffer



write
public void write(String s) throws IOException(Code)



writeByte
public void writeByte(int b) throws IOException(Code)



Fields inherited from java.io.Writer
protected Object lock(Code)(Java Doc)

Methods inherited from java.io.Writer
public Writer append(CharSequence csq) throws IOException(Code)(Java Doc)
public Writer append(CharSequence csq, int start, int end) throws IOException(Code)(Java Doc)
public Writer append(char c) throws IOException(Code)(Java Doc)
abstract public void close() throws IOException(Code)(Java Doc)
abstract public void flush() throws IOException(Code)(Java Doc)
public void write(int c) throws IOException(Code)(Java Doc)
public void write(char cbuf) throws IOException(Code)(Java Doc)
abstract public void write(char cbuf, int off, int len) throws IOException(Code)(Java Doc)
public void write(String str) throws IOException(Code)(Java Doc)
public void write(String str, int off, int len) throws IOException(Code)(Java Doc)

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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