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org.crsh.telnet.term.processor
Class Processor

java.lang.Object
  extended by org.crsh.telnet.term.processor.Processor
All Implemented Interfaces:
Appendable, Runnable, Screenable, ScreenContext
public final class Processor
extends Object

    

    
implements Runnable, ScreenContext

    

      

    

  

  

  

  

  

    

      Field Summary
    

    

      (package private)  Runnable
      CLOSE_TASK

                .		
    

    

      private static String
      CONTINUE_PROMPT

                .		
    

    

      (package private)  ProcessContext
      current

                .		
    

    

      private  LineParser
      lineBuffer

                .		
    

    

      private  MultiLineVisitor
      lineVisitor

                .		
    

    

      private  CloseableList
      listeners

                .		
    

    

      (package private)  Object
      lock

                .		
    

    

      (package private)  Logger
      log

                .		
    

    

      (package private) static Runnable
      NOOP

                .		
    

    

      (package private)  LinkedList<TermEvent>
      queue

                .		
    

    

      private  Runnable
      READ_TERM_TASK

                .		
    

    

      (package private)  Shell
      shell

                .		
    

    

      (package private)  Status
      status

                .		
    

    

      (package private)  Term
      term

                .		
    

    

      private  Object
      termLock

                .		
    

    

      private  boolean
      termReading

                .		
    

    

      (package private)  boolean
      waitingEvent

                A flag useful for unit testing to know when the thread is reading.		
    

    

      (package private)  Runnable
      WRITE_PROMPT_TASK

                .		
    

  
  
  

    

      Constructor Summary
    

    

      Processor(Term term, Shell shell)

                 		
    

  
  
  

    

      Method Summary
    

    

       void
      addListener(Closeable listener)

                 		
    

    

       Appendable
      append(char c)

                 		
    

    

       Appendable
      append(CharSequence s)

                 		
    

    

       Appendable
      append(CharSequence csq, int start, int end)

                 		
    

    

       Screenable
      append(Style style)

                 		
    

    

      (package private)  void
      close()

                 		
    

    

       Screenable
      cls()

                 		
    

    

      private  void
      complete(CharSequence prefix)

                 		
    

    

       void
      flush()

                Flush the stream.		
    

    

       int
      getHeight()

                Returns the screen height in chars.		
    

    

       int
      getWidth()

                Returns the screen width in chars.		
    

    

       boolean
      isWaitingEvent()

                 		
    

    

      (package private)  boolean
      iterate()

                 		
    

    

      (package private)  ProcessContext
      peekProcess()

                 		
    

    

      (package private)  void
      readTerm()

                 		
    

    

       void
      run()

                 		
    

    

      (package private)  void
      writePromptFlush()

                 		
    

  
 
  

    

      Methods inherited from class java.lang.Object
    

    

      clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    

  
 
  

  

    

      Field Detail
    

  

  
CONTINUE_PROMPT

  
private static final String CONTINUE_PROMPT

  

    

      .
      

      

        
See Also:

        
Constant Field Values

      

    

  

  

  
  
NOOP

  
static final Runnable NOOP

  

    

      .
      

      

    

  

  

  
  
WRITE_PROMPT_TASK

  
final Runnable WRITE_PROMPT_TASK

  

    

      .
      

      

    

  

  

  
  
CLOSE_TASK

  
final Runnable CLOSE_TASK

  

    

      .
      

      

    

  

  

  
  
READ_TERM_TASK

  
private final Runnable READ_TERM_TASK

  

    

      .
      

      

    

  

  

  
  
log

  
final Logger log

  

    

      .
      

      

    

  

  

  
  
term

  
final Term term

  

    

      .
      

      

    

  

  

  
  
shell

  
final Shell shell

  

    

      .
      

      

    

  

  

  
  
queue

  
final LinkedList<TermEvent> queue

  

    

      .
      

      

    

  

  

  
  
lock

  
final Object lock

  

    

      .
      

      

    

  

  

  
  
current

  
ProcessContext current

  

    

      .
      

      

    

  

  

  
  
status

  
Status status

  

    

      .
      

      

    

  

  

  
  
waitingEvent

  
volatile boolean waitingEvent

  

    

      A flag useful for unit testing to know when the thread is reading.
      

      

    

  

  

  
  
listeners

  
private final CloseableList listeners

  

    

      .
      

      

    

  

  

  
  
lineBuffer

  
private final LineParser lineBuffer

  

    

      .
      

      

    

  

  

  
  
lineVisitor

  
private final MultiLineVisitor lineVisitor

  

    

      .
      

      

    

  

  

  
  
termLock

  
private final Object termLock

  

    

      .
      

      

    

  

  

  
  
termReading

  
private boolean termReading

  

    

      .
      

      

    

  

  

    

      Constructor Detail
    

  

  
Processor

  
public Processor(Term term,
                 Shell shell)

  

  

    

      Method Detail
    

  

  
isWaitingEvent

  
public boolean isWaitingEvent()

  

    

      

    

    

      

    

  

  

  
  
run

  
public void run()

  

    

      

        
Specified by:

        
run in interface Runnable

      

    

    

      

    

  

  

  
  
iterate

  
boolean iterate()
          throws InterruptedException,
                 IOException

  

    

      

    

    

      

        
Throws:

        
InterruptedException

        
IOException

      

    

  

  

  
  
peekProcess

  
ProcessContext peekProcess()

  

    

      

    

    

      

    

  

  

  
  
readTerm

  
void readTerm()

  

    

      

    

    

      

    

  

  

  
  
close

  
void close()

  

    

      

    

    

      

    

  

  

  
  
addListener

  
public void addListener(Closeable listener)

  

    

      

    

    

      

    

  

  

  
  
getWidth

  
public int getWidth()

  

    
Description copied from interface: ScreenContext

    

      Returns the screen width in chars. When the value is not positive it means the value could not be determined.
      

    

    

      

        
Specified by:

        
getWidth in interface ScreenContext

      

    

    

      

        
Returns:

        
the term width

      

    

  

  

  
  
getHeight

  
public int getHeight()

  

    
Description copied from interface: ScreenContext

    

      Returns the screen height in chars. When the value is not positive it means the value could not be determined.
      

    

    

      

        
Specified by:

        
getHeight in interface ScreenContext

      

    

    

      

        
Returns:

        
the term height

      

    

  

  

  
  
append

  
public Appendable append(char c)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Appendable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Appendable append(CharSequence s)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Appendable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Appendable append(CharSequence csq,
                         int start,
                         int end)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Appendable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Screenable append(Style style)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Screenable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
cls

  
public Screenable cls()
               throws IOException

  

    

      

        
Specified by:

        
cls in interface Screenable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
flush

  
public void flush()
           throws IOException

  

    
Description copied from interface: ScreenContext

    

      Flush the stream.
      

    

    

      

        
Specified by:

        
flush in interface ScreenContext

      

    

    

      

        
Throws:

        
IOException - any io exception

      

    

  

  

  
  
writePromptFlush

  
void writePromptFlush()

  

    

      

    

    

      

    

  

  

  
  
complete

  
private void complete(CharSequence prefix)

  

    

      

    

    

      

    

  

  

   
  

    

      
        
        

          

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