osd-contiki/tools/collect-view/src/org/contikios/contiki/collect/SerialConnection.java

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/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* -----------------------------------------------------------------
*
* SerialConnection
*
* Authors : Joakim Eriksson, Niclas Finne
* Created : 5 jul 2008
* Updated : $Date: 2010/11/03 14:53:05 $
* $Revision: 1.1 $
*/
package org.contikios.contiki.collect;
import java.io.PrintWriter;
/**
*
*/
public abstract class SerialConnection {
protected final SerialConnectionListener listener;
protected boolean isSerialOutputSupported = true;
protected String comPort;
protected boolean isOpen;
protected boolean isClosed = true;
protected String lastError;
protected PrintWriter serialOutput;
protected SerialConnection(SerialConnectionListener listener) {
this.listener = listener;
}
public boolean isMultiplePortsSupported() {
return false;
}
public void setSerialOutputSupported(boolean isSerialOutputSupported) {
this.isSerialOutputSupported = isSerialOutputSupported;
}
public boolean isSerialOutputSupported() {
return isSerialOutputSupported;
}
public boolean isOpen() {
return isOpen;
}
public boolean isClosed() {
return isClosed;
}
public abstract String getConnectionName();
public String getComPort() {
return comPort;
}
public void setComPort(String comPort) {
this.comPort = comPort;
}
public String getLastError() {
return lastError;
}
protected PrintWriter getSerialOutput() {
return serialOutput;
}
protected void setSerialOutput(PrintWriter serialOutput) {
this.serialOutput = serialOutput;
}
public void writeSerialData(String data) {
PrintWriter serialOutput = this.serialOutput;
if (serialOutput != null) {
serialOutput.println(data);
serialOutput.flush();
}
}
public abstract void open(String comPort);
public final void close() {
isClosed = true;
lastError = null;
closeConnection();
}
protected final void closeConnection() {
isOpen = false;
if (serialOutput != null) {
serialOutput.close();
serialOutput = null;
}
doClose();
serialClosed();
}
protected abstract void doClose();
protected final void serialData(String line) {
listener.serialData(this, line);
}
protected final void serialOpened() {
listener.serialOpened(this);
}
protected final void serialClosed() {
listener.serialClosed(this);
}
}