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