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This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

/*
 *			Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License Version
 * 1.0 (the "License"). You may not use this file except in compliance
 * with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is Terminal Emulator.
 * The Initial Developer of the Original Code is Sun Microsystems, Inc..
 * Portions created by Sun Microsystems, Inc. are Copyright (C) 2001.
 * All Rights Reserved.
 *
 * Contributor(s): Ivan Soleimanipour.
 */

/*
 * "TermStream.java"
 * TermStream.java 1.7 01/07/10
 */

package org.netbeans.lib.terminalemulator;

/**
 * TermStream is analogous to unix STREAMS. 
 * 
* It is a full duplex processing and data transfer path between a raw * Term (The Data Terminal Equipment, DTE) and a client of the Term, usually * a process (The Data Communication Equipment, DCE). *

* TermStream's can be chained together. This is performed using * @see org.netbeans.lib.terminalemulator.Term#pushStream *

* Streams are usually used (in the context of terminals) to do echoing, * line buffering, CR/NL translation and so on. See * @see org.netbeans.lib.terminalemulator.LineDiscipline . * They can also be used for logging and debugging. */ public abstract class TermStream { protected TermStream toDTE; // delegate putChar's to toDTE protected TermStream toDCE; // delegate sendChar to from_keyboard void setToDCE(TermStream toDCE) { this.toDCE = toDCE; } void setToDTE(TermStream toDTE) { this.toDTE = toDTE; } void setTerm(Term term) { this.term = term; } protected Term getTerm() { return term; } private Term term; // From world (DCE) to terminal (DTE) screen public abstract void flush(); public abstract void putChar(char c); public abstract void putChars(char buf[], int offset, int count); // From terminal *keyboard) (DTE) to world (DCE). public abstract void sendChar(char c); public abstract void sendChars(char c[], int offset, int count); }

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