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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*******************************************************************************/
package org.ofbiz.pos.jpos.service;
import java.util.HashMap;
import java.util.Map;
import java.util.Enumeration;
import jpos.JposException;
import jpos.ScannerConst;
import jpos.services.EventCallbacks;
import jpos.events.DataEvent;
import org.ofbiz.base.util.UtilGenerics;
import org.ofbiz.pos.adaptor.KeyboardAdaptor;
import org.ofbiz.pos.adaptor.KeyboardReceiver;
/**
* Generic Keyboard Wedge Barcode Scanner
*
* Configure your scanner:
* 1) Send STX Preamble
* 2) Send barcode id as prefix
* 3) Termination char CR
* 4) Do NOT send ETX Postamble
*/
public class ScannerKybService extends BaseService implements jpos.services.ScannerService17, KeyboardReceiver {
public static final String module = ScannerKybService.class.getName();
private static final int TYPELOC_PREFIX = 50;
private static final int TYPELOC_SUFFIX = 60;
private static final int TYPELOC_NONE = 99;
protected Map<String, Integer> barcodeIdMap = new HashMap<String, Integer>();
protected byte[] scannedDataLabel = new byte[0];
protected byte[] scannedData = new byte[0];
protected String codeId = "";
protected boolean decodeData = true;
protected boolean eventEnabled = true;
protected boolean autoDisable = false;
protected int powerState = 1;
protected int codeLocation = TYPELOC_PREFIX;
public ScannerKybService() {
KeyboardAdaptor.getInstance(this, KeyboardAdaptor.SCANNER_DATA);
}
@Override
public void open(String deviceName, EventCallbacks ecb) throws JposException {
super.open(deviceName, ecb);
this.readCodeMap();
if (entry.hasPropertyWithName("BarcodeTypePosition")) {
if (entry.getProp("BarcodeTypePosition").getValueAsString().equalsIgnoreCase("suffix")) {
this.codeLocation = TYPELOC_SUFFIX;
} else if (entry.getProp("BarcodeTypePosition").getValueAsString().equalsIgnoreCase("prefix")) {
this.codeLocation = TYPELOC_PREFIX;
} else {
this.codeLocation = TYPELOC_NONE;
}
}
}
// ScannerService12
public boolean getAutoDisable() throws JposException {
return this.autoDisable;
}
public void setAutoDisable(boolean b) throws JposException {
this.autoDisable = b;
}
public boolean getDecodeData() throws JposException {
return this.decodeData;
}
public void setDecodeData(boolean b) throws JposException {
this.decodeData = b;
}
public byte[] getScanData() throws JposException {
return this.scannedData;
}
public byte[] getScanDataLabel() throws JposException {
if (this.decodeData) {
return this.scannedDataLabel;
} else {
return new byte[0];
}
}
public int getScanDataType() throws JposException {
if (codeId != null && barcodeIdMap.containsKey(codeId)) {
return ((Integer) barcodeIdMap.get(codeId)).intValue();
}
return ScannerConst.SCAN_SDT_UNKNOWN;
}
public void clearInput() throws JposException {
this.scannedDataLabel = new byte[0];
this.scannedData = new byte[0];
this.codeId = "";
}
// ScannerService13
public int getCapPowerReporting() throws JposException {
return 0;
}
public int getPowerNotify() throws JposException {
return 0;
}
public void setPowerNotify(int i) throws JposException {
}
public int getPowerState() throws JposException {
return 0;
}
// KeyboardReceiver
public synchronized void receiveData(int[] codes, char[] chars) {
String dataStr = new String(chars);
this.parseScannedString(dataStr);
// fire off the event notification
DataEvent event = new DataEvent(this, 0);
this.fireEvent(event);
}
private void parseScannedString(String str) {
if (str == null) {
return;
}
// parse the scanned data
if (str != null) {
str = str.trim();
this.scannedData = str.getBytes();
if (this.decodeData) {
if (this.codeLocation == TYPELOC_PREFIX) {
this.codeId = str.substring(0, 1).toUpperCase();
this.scannedDataLabel = str.substring(1).getBytes();
} else if (this.codeLocation == TYPELOC_SUFFIX) {
this.codeId = str.substring(str.length() - 1);
this.scannedDataLabel = str.substring(0, str.length() - 1).getBytes();
} else {
this.codeId = "";
this.scannedDataLabel = str.getBytes();
}
}
}
}
private void readCodeMap() {
if (barcodeIdMap == null) {
barcodeIdMap = new HashMap<String, Integer>();
}
if (barcodeIdMap.size() > 0) {
return;
}
Enumeration<String> names = UtilGenerics.cast(entry.getPropertyNames());
if (names != null) {
while (names.hasMoreElements()) {
String codeType = names.nextElement();
if (codeType.startsWith("CodeType:")) {
String codeValue = entry.getProp(codeType).getValueAsString();
if ("CodeType:CODE11".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_OTHER);
} else if ("CodeType:CODE39".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_Code39);
} else if ("CodeType:CODE93".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_Code93);
} else if ("CodeType:CODE128".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_Code128);
} else if ("CodeType:CODABAR".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_Codabar);
} else if ("CodeType:I2OF5".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_OTHER);
} else if ("CodeType:ID2OF5".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_OTHER);
} else if ("CodeType:MSI".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_OTHER);
} else if ("CodeType:UPCA".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_UPCA);
} else if ("CodeType:UPCE".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_UPCE);
} else if ("CodeType:EAN13".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_EAN13);
} else if ("CodeType:EAN8".equals(codeType)) {
barcodeIdMap.put(codeValue.toUpperCase(), ScannerConst.SCAN_SDT_EAN8);
}
}
}
}
}
}