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org.crsh.shell.impl.remoting
Class ClientProcessContext

java.lang.Object
  extended by org.crsh.shell.impl.remoting.ClientProcessContext
All Implemented Interfaces:
Appendable, InteractionContext, ShellProcessContext, Screenable, ScreenContext
 class ClientProcessContext
extends Object

    

    
implements ShellProcessContext

    

      

    

  

  

  

  

  

    

      Field Summary
    

    

      (package private)  ArrayList<ServerMessage.Chunk>
      buffer

                .		
    

    

      (package private)  ClientAutomaton
      client

                .		
    

    

      private  boolean
      closed

                .		
    

    

      (package private)  ShellProcess
      process

                .		
    

  
  
  

    

      Constructor Summary
    

    

      ClientProcessContext(ClientAutomaton client, ShellProcess process)

                 		
    

  
  
  

    

      Method Summary
    

    

       Screenable
      append(char c)

                 		
    

    

       Screenable
      append(CharSequence s)

                 		
    

    

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

                 		
    

    

       Screenable
      append(Style style)

                 		
    

    

       Screenable
      cls()

                 		
    

    

       void
      end(ShellResponse response)

                This method is invoked when the process ends.		
    

    

      private  void
      ensureSize()

                Ensure we have a recent size, the size is considered as recent if it's younger than 2 second, otherwise send a get size message.		
    

    

      (package private)  void
      execute()

                 		
    

    

       void
      flush()

                Flush the stream.		
    

    

       int
      getHeight()

                Returns the screen height in chars.		
    

    

       String
      getProperty(String name)

                Returns a generic property, usually this property is resolved by the shell client.		
    

    

       int
      getWidth()

                Returns the screen width in chars.		
    

    

       String
      readLine(String msg, boolean echo)

                Display a message and read a line on the console, this method call can be blocking until the user provides a value.		
    

    

       boolean
      releaseAlternateBuffer()

                Release control of the alternate buffer.		
    

    

       boolean
      takeAlternateBuffer()

                Take control of the alternate buffer.		
    

  
 
  

    

      Methods inherited from class java.lang.Object
    

    

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

  
 
  

  

    

      Field Detail
    

  

  
client

  
final ClientAutomaton client

  

    

      .
      

      

    

  

  

  
  
process

  
final ShellProcess process

  

    

      .
      

      

    

  

  

  
  
buffer

  
final ArrayList<ServerMessage.Chunk> buffer

  

    

      .
      

      

    

  

  

  
  
closed

  
private boolean closed

  

    

      .
      

      

    

  

  

    

      Constructor Detail
    

  

  
ClientProcessContext

  
ClientProcessContext(ClientAutomaton client,
                     ShellProcess process)

  

  

    

      Method Detail
    

  

  
ensureSize

  
private void ensureSize()

  

    

      Ensure we have a recent size, the size is considered as recent if it's younger than 2 second, otherwise send a get size message.
      

    

    

      

    

    

      

    

  

  

  
  
execute

  
void execute()

  

    

      

    

    

      

    

  

  

  
  
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

      

    

  

  

  
  
takeAlternateBuffer

  
public boolean takeAlternateBuffer()

  

    
Description copied from interface: InteractionContext

    

      Take control of the alternate buffer. When the alternate buffer is already used nothing happens. The buffer switch should occur when then ScreenContext.flush() method is invoked.
      

    

    

      

        
Specified by:

        
takeAlternateBuffer in interface InteractionContext

      

    

    

      

        
Returns:

        
true if the alternate buffer is shown

      

    

  

  

  
  
releaseAlternateBuffer

  
public boolean releaseAlternateBuffer()

  

    
Description copied from interface: InteractionContext

    

      Release control of the alternate buffer. When the normal buffer is already used nothing happens. The buffer switch should occur when then ScreenContext.flush() method is invoked.
      

    

    

      

        
Specified by:

        
releaseAlternateBuffer in interface InteractionContext

      

    

    

      

        
Returns:

        
true if the usual buffer is shown

      

    

  

  

  
  
getProperty

  
public String getProperty(String name)

  

    
Description copied from interface: InteractionContext

    

      Returns a generic property, usually this property is resolved by the shell client.
      

    

    

      

        
Specified by:

        
getProperty in interface InteractionContext

      

    

    

      

        
Parameters:

        
name - the property name

        
Returns:

        
the property value

      

    

  

  

  
  
readLine

  
public String readLine(String msg,
                       boolean echo)

  

    
Description copied from interface: InteractionContext

    

      Display a message and read a line on the console, this method call can be blocking until the user provides a value. If no line can be read then null is returned.
      

    

    

      

        
Specified by:

        
readLine in interface InteractionContext

      

    

    

      

        
Parameters:

        
msg - the message to display before reading a line

        
echo - wether or not the line read should be echoed when typing

        
Returns:

        
the line read

      

    

  

  

  
  
append

  
public Screenable append(CharSequence s)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Appendable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Screenable append(char c)
                  throws IOException

  

    

      

        
Specified by:

        
append in interface Appendable

      

    

    

      

        
Throws:

        
IOException

      

    

  

  

  
  
append

  
public Screenable 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()

  

    
Description copied from interface: ScreenContext

    

      Flush the stream.
      

    

    

      

        
Specified by:

        
flush in interface ScreenContext

      

    

    

      

    

  

  

  
  
end

  
public void end(ShellResponse response)

  

    
Description copied from interface: ShellProcessContext

    

      This method is invoked when the process ends.
      

    

    

      

        
Specified by:

        
end in interface ShellProcessContext

      

    

    

      

        
Parameters:

        
response - the shell response

      

    

  

  

   
  

    

      
        
        

          

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