package com.giorgiofellipe.datecsprinter; import com.datecs.api.biometric.TouchChip; import java.io.BufferedOutputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Printer { private static final int MAX_PACKET_SIZE = 2044; private static boolean sDebug = false; private static final int DEFAULT_TIMEOUT = 1000; private static final int CARD_IO_TIME = 11000; public static final int ALIGN_LEFT = 0; public static final int ALIGN_CENTER = 1; public static final int ALIGN_RIGHT = 2; public static final int BARCODE_UPCA = 65; public static final int BARCODE_UPCE = 66; public static final int BARCODE_EAN13 = 67; public static final int BARCODE_EAN8 = 68; public static final int BARCODE_CODE39 = 69; public static final int BARCODE_ITF = 70; public static final int BARCODE_CODABAR = 71; public static final int BARCODE_CODE93 = 72; public static final int BARCODE_CODE128 = 73; public static final int BARCODE_PDF417 = 74; public static final int BARCODE_CODE128AUTO = 75; public static final int BARCODE_EAN128 = 76; public static final int HRI_NONE = 0; public static final int HRI_ABOVE = 1; public static final int HRI_BELOW = 2; public static final int HRI_BOTH = 3; public static final int PAGE_LEFT = 0; public static final int PAGE_BOTTOM = 1; public static final int PAGE_RIGHT = 2; public static final int PAGE_TOP = 3; public static final int FILL_WHITE = 0; public static final int FILL_BLACK = 1; public static final int FILL_INVERTED = 2; public static final int SETTINGS_BLUETOOTH = 5; private InputStream mBaseInputStream; private OutputStream mBaseOutputStream; private IOException mLastError; private Printer.Settings mSettings; private Printer.ConnectionListener mConnListener; private byte[] mDataBuffer; private int mDataBufferLen; public Printer(OutputStream out) throws IOException { if(out == null) { throw new NullPointerException("The out is null"); } else { this.mBaseInputStream = null; this.mBaseOutputStream = new BufferedOutputStream(out, 2044); this.initDefaults(); } } public Printer(InputStream in, OutputStream out) throws IOException { if(in == null) { throw new NullPointerException("The in is null"); } else if(out == null) { throw new NullPointerException("The out is null"); } else { this.mBaseInputStream = in; this.mBaseOutputStream = new BufferedOutputStream(out, 2044); this.mDataBuffer = new byte[2044]; this.initDefaults(); Thread t = new Thread(new Runnable() { public void run() { byte[] buffer = new byte[2044]; try { while(Printer.this.mLastError == null) { int e = Printer.this.read(buffer, 0, buffer.length); synchronized(Printer.this.mDataBuffer) { while(e + Printer.this.mDataBufferLen > Printer.this.mDataBuffer.length) { byte[] tmp = new byte[Printer.this.mDataBuffer.length + 2044]; System.arraycopy(Printer.this.mDataBuffer, 0, tmp, 0, Printer.this.mDataBufferLen); Printer.this.mDataBuffer = tmp; } System.arraycopy(buffer, 0, Printer.this.mDataBuffer, Printer.this.mDataBufferLen, e); Printer.this.mDataBufferLen = Printer.this.mDataBufferLen + e; } try { Thread.sleep(10L); } catch (InterruptedException var10) { ; } } } catch (IOException var12) { if(Printer.sDebug) { var12.printStackTrace(); } if(Printer.this.mLastError == null) { Printer.this.mLastError = var12; } } finally { Printer.this.raiseDisconnect(); } } }); t.start(); } } public synchronized void close() { this.mLastError = new IOException("The object is closed"); try { if(this.mBaseInputStream != null) { this.mBaseInputStream.close(); } } catch (IOException var3) { ; } try { if(this.mBaseOutputStream != null) { this.mBaseOutputStream.close(); } } catch (IOException var2) { ; } } public static void setDebug(boolean on) { sDebug = on; } private static final String byteArrayToHexString(byte[] data, int offset, int length) { char[] hex = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; char[] buf = new char[length * 3]; int offs = 0; for(int i = 0; i < length; ++i) { buf[offs++] = hex[data[offset + i] >> 4 & 15]; buf[offs++] = hex[data[offset + i] >> 0 & 15]; buf[offs++] = 32; } return new String(buf, 0, offs); } private void debug(String text) { if(sDebug) { System.out.println(text); } } private void debug(String text, byte[] buffer, int offset, int count) { if(sDebug) { this.debug(text + byteArrayToHexString(buffer, offset, count) + "(" + count + ")"); } } private void initDefaults() { this.mSettings = new Printer.Settings(); this.mSettings.barcodeAlign = 0; this.mSettings.barcodeScale = 3; this.mSettings.barcodeHeight = 162; this.mSettings.barcodeHriFont = 0; this.mSettings.barcodeHriCode = 0; } public synchronized void write(int b) throws IOException { this.write(new byte[]{(byte)b}); } public synchronized void write(byte[] b) throws IOException { this.write(b, 0, b.length); } public synchronized void write(byte[] b, int offset, int length) throws IOException { this.mBaseOutputStream.write(b, offset, length); this.debug(" >> ", b, offset, length); } private int read(byte[] buffer, int offset, int length) throws IOException { int bytesRead = this.mBaseInputStream.read(buffer, offset, length); if(bytesRead < 0) { throw new IOException("The end of the stream is reached"); } else if(bytesRead > length) { throw new IOException("Invalid stream result " + bytesRead); } else { if(bytesRead > 0) { this.debug(" << ", buffer, offset, bytesRead); } return bytesRead; } } private void output(byte[] buffer) throws IOException { this.write(buffer); this.mBaseOutputStream.flush(); } private void request(int length, int timeout) throws IOException { long endTime = System.currentTimeMillis() + (long)timeout; if(this.mDataBuffer == null) { throw new IOException("Unable to read from input"); } else { while(this.mDataBufferLen < length) { if(this.mLastError != null) { throw this.mLastError; } if(endTime < System.currentTimeMillis()) { throw new IOException("Timeout"); } try { Thread.sleep(10L); } catch (InterruptedException var6) { ; } } } } private void clear() { byte[] var1 = this.mDataBuffer; synchronized(this.mDataBuffer) { this.mDataBufferLen = 0; } } private void raiseDisconnect() { final Printer.ConnectionListener l = this.mConnListener; if(l != null) { (new Thread(new Runnable() { public void run() { l.onDisconnect(); } })).start(); } } public void setConnectionListener(Printer.ConnectionListener listener) { this.mConnListener = listener; } public void flush() throws IOException { byte[] tmp = new byte[1024]; this.mBaseOutputStream.write(tmp); this.mBaseOutputStream.flush(); } public PrinterInformation getInformation() throws IOException { synchronized(this) { this.clear(); this.output(new byte[]{(byte)27, (byte)90}); byte[] buffer = new byte[32]; this.request(buffer.length, 1000); System.arraycopy(this.mDataBuffer, 0, buffer, 0, buffer.length); PrinterInformation pi = new PrinterInformation(buffer); return pi; } } public int getVoltage() throws IOException { synchronized(this) { this.clear(); this.output(new byte[]{(byte)27, (byte)96}); byte[] buffer = new byte[2]; this.request(buffer.length, 1000); System.arraycopy(this.mDataBuffer, 0, buffer, 0, buffer.length); return ((buffer[0] & 255) - 32) * 100; } } public int getVoltagePercentage() throws IOException { int voltage = this.getVoltage(); boolean percent = false; byte percent1; if(voltage >= 82) { percent1 = 100; } else if(voltage == 81) { percent1 = 97; } else if(voltage == 80) { percent1 = 90; } else if(voltage == 79) { percent1 = 85; } else if(voltage == 78) { percent1 = 78; } else if(voltage == 77) { percent1 = 72; } else if(voltage == 76) { percent1 = 62; } else if(voltage == 75) { percent1 = 50; } else if(voltage == 74) { percent1 = 30; } else if(voltage == 73) { percent1 = 20; } else if(voltage == 72) { percent1 = 15; } else if(voltage == 71) { percent1 = 8; } else if(voltage == 70) { percent1 = 2; } else { percent1 = 0; } return percent1; } public int getTemperature() throws IOException { synchronized(this) { this.clear(); this.output(new byte[]{(byte)27, (byte)96}); byte[] buffer = new byte[2]; this.request(buffer.length, 1000); System.arraycopy(this.mDataBuffer, 0, buffer, 0, buffer.length); return (buffer[1] & 255) - 32; } } public int getStatus() throws IOException { int status = 0; try { synchronized(this) { this.clear(); this.output(new byte[]{(byte)16, (byte)4, (byte)1}); byte[] buffer = new byte[1]; this.request(buffer.length, 1000); System.arraycopy(this.mDataBuffer, 0, buffer, 0, buffer.length); status = (buffer[0] & 255) - 18; } } catch (Exception e) { PrinterInformation pi = getInformation(); //if is a DATECS printer if (pi.getModel() >= 0) { synchronized(this) { this.clear(); this.output(new byte[]{(byte)27, (byte)118}); byte[] buffer = new byte[1]; this.request(buffer.length, 1000); System.arraycopy(this.mDataBuffer, 0, buffer, 0, buffer.length); status = buffer[0] & 255; } } else { throw new IOException(); } } return status; } public String[] readCard(boolean first, boolean second, boolean third, int timeout) throws IOException { if(!first && !second && !third) { throw new IllegalArgumentException("No track selected"); } else if(timeout < 0) { throw new IllegalArgumentException("The wait is negative"); } else { synchronized(this) { for(int repeat = 0; repeat < (timeout + 11000) / 11000; ++repeat) { int offset = 0; this.clear(); this.output(new byte[]{(byte)27, (byte)63, (byte)((first?1:0) | (second?2:0) | (third?4:0))}); do { ++offset; this.request(offset, 11000); } while(offset < this.mDataBuffer.length && this.mDataBuffer[offset - 1] != 0); if(offset > 1) { String[] track = new String[3]; byte trackIndex = -1; for(int i = 0; i < offset - 1; ++i) { switch(this.mDataBuffer[i] & 255) { case 241: trackIndex = 0; track[0] = ""; break; case 242: trackIndex = 1; track[1] = ""; break; case 243: trackIndex = 2; track[2] = ""; break; default: if(trackIndex >= 0) { track[trackIndex] = track[trackIndex] + (char)(this.mDataBuffer[i] & 255); } } } return track; } } } return new String[3]; } } public String readBarcode(int timeout) throws IOException { StringBuffer textBuffer = new StringBuffer(); int offset = 0; if(timeout < 0) { throw new IllegalArgumentException("The wait is negative"); } else { synchronized(this) { boolean consumeFF = false; this.clear(); if(timeout == 0) { this.output(new byte[]{(byte)27, (byte)66, (byte)(timeout + 32)}); } else { this.output(new byte[]{(byte)27, (byte)66, (byte)(timeout + 32), (byte)27, (byte)66, (byte)32}); } this.request(1, (timeout + 1) * 1000); while(this.mDataBuffer[offset] != 0) { if(this.mDataBuffer[offset] == -1) { if(consumeFF) { textBuffer.append('ÿ'); textBuffer.append('ÿ'); consumeFF = false; } else { consumeFF = true; } } else { if(consumeFF) { this.mDataBuffer[offset] = (byte)(this.mDataBuffer[offset] - 32); consumeFF = false; } textBuffer.append((char)(this.mDataBuffer[offset] & 255)); } ++offset; this.request(offset, timeout); } } return textBuffer.length() == 0?null:textBuffer.toString(); } } public void reset() throws IOException { byte[] buf = new byte[]{(byte)27, (byte)64, (byte)27, (byte)50, (byte)27, (byte)73, (byte)0, (byte)27, (byte)33, (byte)0, (byte)29, (byte)76, (byte)0, (byte)0}; synchronized(this) { this.write(buf); } } public void turnOff() throws IOException { byte[] buf = new byte[]{(byte)27, (byte)43}; synchronized(this) { this.write(buf); } } public void printSelfTest() throws IOException { byte[] buf = new byte[]{(byte)27, (byte)46}; synchronized(this) { this.write(buf); } } public void selectCodetable(int codetable) throws IOException { byte[] buf = new byte[]{(byte)27, (byte)117, (byte)codetable}; if(codetable < 0) { throw new IllegalArgumentException("The codetable is negative"); } else { synchronized(this) { this.write(buf); } } } public void setLineSpace(int lines) throws IOException { if(lines >= 0 && lines <= 255) { byte[] buf = new byte[]{(byte)27, (byte)51, (byte)(lines & 255)}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The lines is out of range"); } } public void setAlign(int align) throws IOException { switch(align) { case 0: case 1: case 2: byte[] buf = new byte[]{(byte)27, (byte)97, (byte)align}; synchronized(this) { this.write(buf); return; } default: throw new IllegalArgumentException("The align is illegal"); } } public void feedPaper(int lines) throws IOException { if(lines >= 0 && lines <= 255) { byte[] buf = new byte[]{(byte)27, (byte)74, (byte)lines}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The lines is out of range"); } } public void beep() throws IOException { byte[] tmp = new byte[]{(byte)27, (byte)30}; synchronized(this) { this.write(tmp); } } public void melody(String data) throws IOException { ByteArrayOutputStream o = new ByteArrayOutputStream(); o.write(27); o.write(114); o.write(data.getBytes()); synchronized(this) { this.write(o.toByteArray()); } } public void printText(byte[] b) throws IOException { synchronized(this) { this.write(b); } } public void printText(String s) throws IOException { if(s == null) { throw new NullPointerException("The s is null"); } else { synchronized(this) { this.printText(s.getBytes()); } } } public void printText(String s, String encoding) throws IOException { if(s == null) { throw new NullPointerException("The s is null"); } else { synchronized(this) { this.printText(s.getBytes(encoding)); } } } private void printTaggedText(byte[] b) throws IOException { boolean LEN = true; boolean ELE = true; boolean END = true; boolean DET = true; int BREAK = "br".hashCode(); int SMALL = "s".hashCode(); int BOLD = "b".hashCode(); int HIGH = "h".hashCode(); int WIDE = "w".hashCode(); int UNDERLINE = "u".hashCode(); int ITALIC = "i".hashCode(); int RESET = "reset".hashCode(); int LEFT = "left".hashCode(); int CENTER = "center".hashCode(); int RIGHT = "right".hashCode(); if(b == null) { throw new NullPointerException("The b is null"); } else { int len = b.length; byte[] tbuf = new byte[6 + len]; byte toffs = 0; byte mode = 0; int pos = 0; int var32 = toffs + 1; tbuf[toffs] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; tbuf[var32++] = 27; tbuf[var32++] = 73; tbuf[var32++] = 0; for(int i = 0; i < len; ++i) { byte value = b[i]; tbuf[var32++] = value; if(value == 123) { pos = var32; } else if(value == 125 && pos >= 1 && var32 - 1 - 6 <= pos) { int index; boolean set; if(tbuf[pos] == 47) { set = false; index = pos + 1; } else { set = true; index = pos; } int tmp = 0; int hashlen = var32 - 1 - index; for(int j = 0; j < hashlen; ++j) { int c = tbuf[index + j] & 255; if(c >= 65 && c <= 90) { c += 32; } tmp = 31 * tmp + c; } if(tmp == BREAK) { var32 = pos - 1; tbuf[var32++] = 10; } else if(tmp == SMALL) { if(set) { mode = (byte)(mode | 1); } else { mode &= -2; } var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; } else if(tmp == BOLD) { if(set) { mode = (byte)(mode | 8); } else { mode &= -9; } var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; } else if(tmp == HIGH) { if(set) { mode = (byte)(mode | 16); } else { mode &= -17; } var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; } else if(tmp == WIDE) { if(set) { mode = (byte)(mode | 32); } else { mode &= -33; } var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; } else if(tmp == UNDERLINE) { if(set) { mode = (byte)(mode | 128); } else { mode = (byte)(mode & -129); } var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; } else if(tmp == ITALIC) { var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 73; tbuf[var32++] = (byte)(set?1:0); } else if(tmp == RESET) { mode = 0; var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 33; tbuf[var32++] = mode; tbuf[var32++] = 27; tbuf[var32++] = 73; tbuf[var32++] = 0; } else if(tmp == LEFT) { var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 97; tbuf[var32++] = 0; } else if(tmp == CENTER) { var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 97; tbuf[var32++] = 1; } else if(tmp == RIGHT) { var32 = pos - 1; tbuf[var32++] = 27; tbuf[var32++] = 97; tbuf[var32++] = 2; } } } synchronized(this) { byte[] var33 = new byte[var32]; System.arraycopy(tbuf, 0, var33, 0, var33.length); this.printText(var33); } } } public void printTaggedText(String s) throws IOException { if(s == null) { throw new NullPointerException("The s is null"); } else { this.printTaggedText(s.getBytes()); } } public void printTaggedText(String s, String encoding) throws IOException { if(s == null) { throw new NullPointerException("The s is null"); } else { this.printTaggedText(s.getBytes(encoding)); } } public void printArabicText(int codetable, String text) throws IOException { boolean ARABIC_RAW = true; boolean ARABIC_1256M = true; boolean ARABIC_1256F = true; boolean FROM_RIGHT = true; boolean FROM_LEFT = true; byte[] ArabicAttr = new byte[]{(byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)3, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)1, (byte)3, (byte)2, (byte)3, (byte)1, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)1, (byte)3, (byte)2, (byte)0, (byte)1, (byte)0, (byte)1, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0}; byte[] Arabic1256F = new byte[]{(byte)0, (byte)1, (byte)2, (byte)3, (byte)4, (byte)5, (byte)6, (byte)7, (byte)8, (byte)9, (byte)10, (byte)11, (byte)12, (byte)13, (byte)14, (byte)15, (byte)16, (byte)17, (byte)18, (byte)19, (byte)-80, (byte)-79, (byte)-78, (byte)23, (byte)24, (byte)25, (byte)26, (byte)27, (byte)28, (byte)29, (byte)30, (byte)31}; byte[] Arabic1256M = new byte[]{(byte)0, (byte)1, (byte)2, (byte)3, (byte)4, (byte)5, (byte)6, (byte)7, (byte)8, (byte)9, (byte)10, (byte)11, (byte)12, (byte)13, (byte)14, (byte)15, (byte)16, (byte)17, (byte)18, (byte)19, (byte)20, (byte)21, (byte)22, (byte)23, (byte)24, (byte)25, (byte)26, (byte)27, (byte)28, (byte)29, (byte)30, (byte)31}; byte[][] Arabic1256 = new byte[][]{{(byte)-54, (byte)46, (byte)-76, (byte)-49, (byte)-73, (byte)-70, (byte)0, (byte)0, (byte)-67, (byte)-66, (byte)58, (byte)28, (byte)0, (byte)70, (byte)90, (byte)88, (byte)-120, (byte)-74, (byte)-75, (byte)-71, (byte)-72, (byte)-68, (byte)0, (byte)0, (byte)-124, (byte)-63, (byte)88, (byte)30, (byte)0, (byte)0, (byte)0, (byte)-106, (byte)0, (byte)12, (byte)-53, (byte)-52, (byte)-51, (byte)-50, (byte)-48, (byte)-47, (byte)0, (byte)-62, (byte)-96, (byte)-56, (byte)0, (byte)13, (byte)-61, (byte)0, (byte)-65, (byte)-59, (byte)-64, (byte)0, (byte)0, (byte)0, (byte)-46, (byte)-69, (byte)0, (byte)0, (byte)27, (byte)-55, (byte)0, (byte)0, (byte)0, (byte)31, (byte)-96, (byte)41, (byte)33, (byte)35, (byte)-98, (byte)37, (byte)-86, (byte)39, (byte)42, (byte)-43, (byte)50, (byte)54, (byte)62, (byte)66, (byte)74, (byte)78, (byte)80, (byte)84, (byte)86, (byte)92, (byte)96, (byte)100, (byte)104, (byte)-57, (byte)108, (byte)112, (byte)116, (byte)120, (byte)32, (byte)124, (byte)-128, (byte)-82, (byte)0, (byte)-116, (byte)0, (byte)-110, (byte)-104, (byte)-96, (byte)-100, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-92, (byte)-90, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-58, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-41}, {(byte)-54, (byte)47, (byte)-76, (byte)-49, (byte)-73, (byte)-70, (byte)0, (byte)0, (byte)-67, (byte)-66, (byte)59, (byte)28, (byte)0, (byte)71, (byte)91, (byte)89, (byte)-119, (byte)-74, (byte)-75, (byte)-71, (byte)-72, (byte)-68, (byte)0, (byte)0, (byte)-123, (byte)-63, (byte)89, (byte)30, (byte)0, (byte)0, (byte)0, (byte)-105, (byte)0, (byte)12, (byte)-53, (byte)-52, (byte)-51, (byte)-50, (byte)-48, (byte)-47, (byte)0, (byte)-62, (byte)-95, (byte)-56, (byte)0, (byte)13, (byte)-61, (byte)0, (byte)-65, (byte)-59, (byte)-64, (byte)0, (byte)0, (byte)0, (byte)-46, (byte)-69, (byte)0, (byte)0, (byte)27, (byte)-55, (byte)0, (byte)0, (byte)0, (byte)31, (byte)-46, (byte)41, (byte)34, (byte)36, (byte)-97, (byte)38, (byte)-85, (byte)40, (byte)43, (byte)-42, (byte)51, (byte)55, (byte)63, (byte)67, (byte)75, (byte)79, (byte)81, (byte)85, (byte)87, (byte)93, (byte)97, (byte)101, (byte)105, (byte)-57, (byte)109, (byte)113, (byte)117, (byte)121, (byte)32, (byte)125, (byte)-127, (byte)-81, (byte)0, (byte)-115, (byte)0, (byte)-109, (byte)-103, (byte)-95, (byte)-99, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-91, (byte)-89, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-58, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-40}, {(byte)-54, (byte)49, (byte)-76, (byte)-49, (byte)-73, (byte)-70, (byte)0, (byte)0, (byte)-67, (byte)-66, (byte)61, (byte)28, (byte)0, (byte)73, (byte)90, (byte)88, (byte)-117, (byte)-74, (byte)-75, (byte)-71, (byte)-72, (byte)-68, (byte)0, (byte)0, (byte)-121, (byte)-63, (byte)88, (byte)30, (byte)0, (byte)0, (byte)0, (byte)-106, (byte)0, (byte)12, (byte)-53, (byte)-52, (byte)-51, (byte)-50, (byte)-48, (byte)-47, (byte)0, (byte)-62, (byte)-93, (byte)-56, (byte)0, (byte)13, (byte)-61, (byte)0, (byte)-65, (byte)-59, (byte)-64, (byte)0, (byte)0, (byte)0, (byte)-46, (byte)-69, (byte)0, (byte)0, (byte)27, (byte)-55, (byte)0, (byte)0, (byte)0, (byte)31, (byte)-44, (byte)41, (byte)33, (byte)35, (byte)-98, (byte)37, (byte)-83, (byte)39, (byte)45, (byte)-43, (byte)53, (byte)57, (byte)65, (byte)69, (byte)77, (byte)78, (byte)80, (byte)84, (byte)86, (byte)95, (byte)99, (byte)103, (byte)107, (byte)-57, (byte)111, (byte)115, (byte)119, (byte)123, (byte)32, (byte)127, (byte)-125, (byte)-121, (byte)0, (byte)-111, (byte)0, (byte)-107, (byte)-101, (byte)-93, (byte)-100, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-92, (byte)-87, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-58, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-41}, {(byte)-54, (byte)48, (byte)-76, (byte)-49, (byte)-73, (byte)-70, (byte)0, (byte)0, (byte)-67, (byte)-66, (byte)60, (byte)28, (byte)0, (byte)72, (byte)91, (byte)89, (byte)-118, (byte)-74, (byte)-75, (byte)-71, (byte)-72, (byte)-68, (byte)0, (byte)0, (byte)-122, (byte)-63, (byte)89, (byte)30, (byte)0, (byte)0, (byte)0, (byte)-105, (byte)0, (byte)12, (byte)-53, (byte)-52, (byte)-51, (byte)-50, (byte)-48, (byte)-47, (byte)0, (byte)-62, (byte)-94, (byte)-56, (byte)0, (byte)13, (byte)-61, (byte)0, (byte)-65, (byte)-59, (byte)-64, (byte)0, (byte)0, (byte)0, (byte)-46, (byte)-69, (byte)0, (byte)0, (byte)27, (byte)-55, (byte)0, (byte)0, (byte)0, (byte)31, (byte)-45, (byte)41, (byte)34, (byte)36, (byte)-97, (byte)38, (byte)-84, (byte)40, (byte)44, (byte)-43, (byte)52, (byte)56, (byte)64, (byte)68, (byte)76, (byte)79, (byte)81, (byte)85, (byte)87, (byte)94, (byte)98, (byte)102, (byte)106, (byte)-57, (byte)110, (byte)114, (byte)118, (byte)122, (byte)32, (byte)126, (byte)-126, (byte)-122, (byte)0, (byte)-112, (byte)0, (byte)-108, (byte)-102, (byte)-94, (byte)-99, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-92, (byte)-88, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-58, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)-41}}; byte[] input = text.getBytes("Cp1256"); boolean found = false; for(int output = 0; output < input.length; ++output) { if(input[output] == -20) { found = true; break; } } if(found) { ByteArrayOutputStream var23 = new ByteArrayOutputStream(); int LastAttr = 0; boolean NextAttr = false; boolean ArabAttr = false; for(int i = 0; i < input.length; ++i) { int ThisByte = input[i] & 255; if(ThisByte <= 32) { LastAttr = 0; } else { int var25 = 0; int var24 = 0; int NextByte = input.length - 1 == i?0:input[i] & 255; if(NextByte >= 128) { NextByte = Arabic1256[1][NextByte - 128] & 255; var24 = ArabicAttr[NextByte] & 255; } if((var24 & 1) != 0) { var25 |= 2; } if((LastAttr & 2) != 0) { var25 |= 1; } if(ThisByte < 64) { if(codetable == 23) { ThisByte = (Arabic1256M[ThisByte - 32] & 255) + 32; } else { ThisByte = (Arabic1256F[ThisByte - 32] & 255) + 32; } } else { ThisByte = (Arabic1256[var25][ThisByte - 128] & 255) + 32; if(codetable == 24 && (ThisByte == 198 || ThisByte == 199)) { ThisByte -= 2; } var25 = ArabicAttr[ThisByte - 32] & 255; } LastAttr = var25; } var23.write(ThisByte); } input = var23.toByteArray(); synchronized(this) { this.selectCodetable(21); this.write(input); this.selectCodetable(codetable); } } else { synchronized(this) { this.selectCodetable(codetable); this.write(input); } } } private static void convertARGBToGrayscale(int[] argb, int width, int height) { int pixels = width * height; for(int i = 0; i < pixels; ++i) { int r = argb[i] >> 16 & 255; int g = argb[i] >> 8 & 255; int b = argb[i] & 255; int color = r * 19 + g * 38 + b * 7 >> 6 & 255; argb[i] = color; } } private static void ditherImageByFloydSteinberg(int[] grayscale, int width, int height) { int stopXM1 = width - 1; int stopYM1 = height - 1; int[] coef = new int[]{3, 5, 1}; int y = 0; for(int offs = 0; y < height; ++y) { for(int x = 0; x < width; ++offs) { int v = grayscale[offs]; int error; if(v < 128) { grayscale[offs] = 0; error = v; } else { grayscale[offs] = 255; error = v - 255; } int ed; if(x != stopXM1) { ed = grayscale[offs + 1] + error * 7 / 16; ed = ed < 0?0:(ed > 255?255:ed); grayscale[offs + 1] = ed; } if(y != stopYM1) { int i = -1; for(int j = 0; i <= 1; ++j) { if(x + i >= 0 && x + i < width) { ed = grayscale[offs + width + i] + error * coef[j] / 16; ed = ed < 0?0:(ed > 255?255:ed); grayscale[offs + width + i] = ed; } ++i; } } ++x; } } } private int cropImage(int[] grayscale, int width, int height) { int length = width * height; int offset; for(offset = 0; offset < length && grayscale[length - 1 - offset] >= 128; ++offset) { ; } int newHeight = height - offset / width; return newHeight; } public void printImage(int[] argb, int width, int height, int align, boolean dither, boolean crop) throws IOException { Object buf = null; boolean bufOffs = false; if(argb == null) { throw new NullPointerException("The argb is null"); } else if(align >= 0 && align <= 2) { if(width >= 1 && height >= 1) { convertARGBToGrayscale(argb, width, height); if(dither) { ditherImageByFloydSteinberg(argb, width, height); } if(crop) { height = this.cropImage(argb, width, height); } byte[] var14 = new byte[width * 3 + 9]; synchronized(this) { byte var15 = 0; int var16 = var15 + 1; var14[var15] = 27; var14[var16++] = 51; var14[var16++] = 24; this.write(var14, 0, var16); var15 = 0; var16 = var15 + 1; var14[var15] = 27; var14[var16++] = 97; var14[var16++] = (byte)align; var14[var16++] = 27; var14[var16++] = 42; var14[var16++] = 33; var14[var16++] = (byte)(width % 256); var14[var16++] = (byte)(width / 256); var14[var14.length - 1] = 10; int j = 0; for(int offs = 0; j < height; ++j) { int i; if(j > 0 && j % 24 == 0) { this.write(var14); for(i = var16; i < var14.length - 1; ++i) { var14[i] = 0; } } for(i = 0; i < width; ++offs) { var14[var16 + i * 3 + j % 24 / 8] |= (byte)((argb[offs] < 128?1:0) << 7 - j % 8); ++i; } } this.write(var14); } } else { throw new IllegalArgumentException("The size of image is illegal"); } } else { throw new IllegalArgumentException("The align is illegal"); } } public void printImage(int[] argb, int width, int height, int align, boolean dither) throws IOException { this.printImage(argb, width, height, align, dither, false); } private static int compressRLE(byte[] src, int srcOffs, byte[] dst, int dstOffs, int length) { int offset = 0; int dstLen; int count; for(dstLen = 0; offset < length; offset += count) { count = 1; int currValue = src[srcOffs + offset] & 255; for(int i = offset + 1; i < length && count < 64; ++i) { int nextValue = src[srcOffs + i] & 255; if(currValue != nextValue) { break; } ++count; } if(count > 1) { dst[dstOffs + dstLen] = (byte)(192 | count); ++dstLen; dst[dstOffs + dstLen] = (byte)currValue; ++dstLen; } else if((currValue & 192) == 192) { dst[dstOffs + dstLen] = -63; ++dstLen; dst[dstOffs + dstLen] = (byte)currValue; ++dstLen; } else { dst[dstOffs + dstLen] = (byte)currValue; ++dstLen; } } return dstLen; } public void printCompressedImage(int[] argb, int width, int height, int align, boolean dither, boolean crop) throws IOException { if(argb == null) { throw new NullPointerException("The argb is null"); } else if(align >= 0 && align <= 2) { if(width >= 1 && height >= 1) { convertARGBToGrayscale(argb, width, height); if(dither) { ditherImageByFloydSteinberg(argb, width, height); } if(crop) { height = this.cropImage(argb, width, height); } synchronized(this) { int horzSizeInBytes = (width + 7) / 8; byte[] buffer = new byte[horzSizeInBytes * 24 + 7]; byte[] packed = new byte[horzSizeInBytes * 24 * 2]; boolean cmdOffset = false; byte var17 = 0; int var18 = var17 + 1; buffer[var17] = 27; buffer[var18++] = 51; buffer[var18++] = 24; this.write(buffer, 0, var18); var17 = 0; var18 = var17 + 1; buffer[var17] = 27; buffer[var18++] = 97; buffer[var18++] = (byte)align; buffer[var18++] = 27; buffer[var18++] = 42; buffer[var18++] = 17; buffer[var18++] = (byte)horzSizeInBytes; int length = 0; for(int offset = 0; length < height; ++length) { int i; if(length > 0 && length % 24 == 0) { i = compressRLE(buffer, var18, packed, 0, buffer.length - var18); this.write(buffer, 0, var18); this.write(packed, 0, i); this.write(10); for(int i1 = var18; i1 < buffer.length; ++i1) { buffer[i1] = 0; } } for(i = 0; i < width; ++offset) { buffer[var18 + i / 8 + length % 24 * horzSizeInBytes] |= (byte)((argb[offset] < 128?1:0) << i % 8); ++i; } } length = compressRLE(buffer, var18, packed, 0, buffer.length - var18); this.write(buffer, 0, var18); this.write(packed, 0, length); this.write(10); } } else { throw new IllegalArgumentException("The size of image is illegal"); } } else { throw new IllegalArgumentException("The align is illegal"); } } public void printCompressedImage(int[] argb, int width, int height, int align, boolean dither) throws IOException { this.printCompressedImage(argb, width, height, align, dither, false); } public void printLogo(boolean wide, boolean high) throws IOException { byte mode = 0; if(wide) { ++mode; } if(high) { mode = (byte)(mode + 2); } byte[] buf = new byte[]{(byte)29, (byte)47, mode}; synchronized(this) { this.write(buf); } } public void printLogo() throws IOException { byte[] buf = new byte[]{(byte)29, (byte)47, (byte)0}; synchronized(this) { this.write(buf); } } public void setBarcode(int align, boolean small, int scale, int hri, int height) { if(align < 0) { throw new IllegalArgumentException("The align is illegal"); } else if(scale >= 2 && scale <= 4) { if(hri < 0) { throw new IllegalArgumentException("The hri is negative"); } else if(height >= 1 && height <= 255) { this.mSettings.barcodeAlign = align; this.mSettings.barcodeHriFont = small?1:0; this.mSettings.barcodeScale = scale; this.mSettings.barcodeHriCode = hri; this.mSettings.barcodeHeight = height; } else { throw new IllegalArgumentException("The height is illegal"); } } else { throw new IllegalArgumentException("The scale is illegal"); } } public void printBarcode(int type, byte[] data) throws IOException { if(data == null) { throw new NullPointerException("The data is null."); } else { byte[] buf = new byte[21 + data.length]; byte offs = 0; int var7 = offs + 1; buf[offs] = 27; buf[var7++] = 97; buf[var7++] = (byte)this.mSettings.barcodeAlign; buf[var7++] = 29; buf[var7++] = 119; buf[var7++] = (byte)this.mSettings.barcodeScale; buf[var7++] = 29; buf[var7++] = 104; buf[var7++] = (byte)this.mSettings.barcodeHeight; buf[var7++] = 29; buf[var7++] = 72; buf[var7++] = (byte)this.mSettings.barcodeHriCode; buf[var7++] = 29; buf[var7++] = 102; buf[var7++] = (byte)this.mSettings.barcodeHriFont; switch(type) { case 65: if(data.length != 11) { throw new IllegalArgumentException("The length of UPCA barcode data must be 11 symbols"); } break; case 66: if(data.length != 11) { throw new IllegalArgumentException("The length of UPCE barcode data must be 11 symbols"); } break; case 67: if(data.length != 12) { throw new IllegalArgumentException("The length of EAN13 barcode data must be 12 symbols"); } break; case 68: if(data.length != 7) { throw new IllegalArgumentException("The length of EAN8 barcode data must be 7 symbols"); } break; case 69: case 70: case 71: case 72: case 73: case 75: case 76: if(data.length < 1 || data.length > 255) { throw new IllegalArgumentException("The length of barcode data must be between 1 and 255 symbols"); } break; case 74: if(data.length >= 1 && data.length <= 1000) { break; } throw new IllegalArgumentException("The length of PDF417 barcode data must be between 1 and 1000 symbols"); default: throw new IllegalArgumentException("Invalid barcode type"); } buf[var7++] = 29; buf[var7++] = 107; buf[var7++] = (byte)type; if(type == 73 && data[0] != 123) { buf[var7++] = (byte)(data.length + 2); buf[var7++] = 123; buf[var7++] = 66; } else if(type == 74) { buf[var7++] = 0; buf[var7++] = (byte)(data.length & 255); buf[var7++] = (byte)(data.length >> 8 & 255); } else { buf[var7++] = (byte)data.length; } for(int i = 0; i < data.length; ++i) { buf[var7++] = data[i]; } synchronized(this) { this.write(buf, 0, var7); } } } public void printBarcode(int type, String data) throws IOException { if(data == null) { throw new NullPointerException("The data is null"); } else { this.printBarcode(type, data.getBytes()); } } public void printQRCode(int size, int eccLv, byte[] data) throws IOException { byte[] buf = new byte[10 + data.length]; byte offs = 0; int var7 = offs + 1; buf[offs] = 27; buf[var7++] = 97; buf[var7++] = (byte)this.mSettings.barcodeAlign; buf[var7++] = 29; buf[var7++] = 81; buf[var7++] = 6; buf[var7++] = (byte)size; buf[var7++] = (byte)eccLv; buf[var7++] = (byte)data.length; buf[var7++] = (byte)(data.length >> 8); for(int i = 0; i < data.length; ++i) { buf[var7++] = data[i]; } this.write(buf); } public void printQRCode(int size, int eccLv, String data) throws IOException { if(data == null) { throw new NullPointerException("The data is null"); } else { this.printQRCode(size, eccLv, data.getBytes()); } } public void calibrateBMMSensor() throws IOException { byte[] buf = new byte[]{(byte)27, (byte)67, (byte)65, (byte)76, (byte)3}; synchronized(this) { this.write(buf); } } public void feedLabel() throws IOException { byte[] buf = new byte[]{(byte)12}; synchronized(this) { this.write(buf); } } public void selectPageMode() throws IOException { byte[] buf = new byte[]{(byte)27, (byte)76, (byte)24}; synchronized(this) { this.write(buf); } } public void selectStandardMode() throws IOException { byte[] buf = new byte[]{(byte)29, (byte)85}; synchronized(this) { this.write(buf); } } public void printPage() throws IOException { byte[] buf = new byte[]{(byte)29, (byte)90}; synchronized(this) { this.write(buf); } } public void setPageRegion(int x, int y, int width, int height, int direction) throws IOException { if(x >= 0 && y >= 0 && width >= 0 && height >= 0 && direction >= 0 && direction <= 3) { byte[] buf = new byte[]{(byte)27, (byte)87, (byte)(x & 255), (byte)(x >> 8 & 255), (byte)(y & 255), (byte)(y >> 8 & 255), (byte)(width & 255), (byte)(width >> 8 & 255), (byte)(height & 255), (byte)(height >> 8 & 255), (byte)29, (byte)84, (byte)(direction & 255)}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The illegal parameter"); } } public void setPageXY(int x, int y) throws IOException { if(x >= 0 && y >= 0) { byte[] buf = new byte[]{(byte)27, (byte)36, (byte)(x & 255), (byte)(x >> 8 & 255), (byte)29, (byte)36, (byte)(y & 255), (byte)(y >> 8 & 255)}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The illegal parameter"); } } public void drawPageRectangle(int x, int y, int width, int height, int fillMode) throws IOException { if(x >= 0 && y >= 0 && width >= 0 && height >= 0 && fillMode >= 0 && fillMode <= 2) { byte[] buf = new byte[]{(byte)29, (byte)82, (byte)(x & 255), (byte)(x >> 8 & 255), (byte)(y & 255), (byte)(y >> 8 & 255), (byte)(width & 255), (byte)(width >> 8 & 255), (byte)(height & 255), (byte)(height >> 8 & 255), (byte)(fillMode & 255)}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The illegal parameter"); } } public void drawPageFrame(int x, int y, int width, int height, int fillMode, int thickness) throws IOException { if(x >= 0 && y >= 0 && width >= 0 && height >= 0 && fillMode >= 0 && fillMode <= 2 && thickness >= 0) { byte[] buf = new byte[]{(byte)29, (byte)88, (byte)(x & 255), (byte)(x >> 8 & 255), (byte)(y & 255), (byte)(y >> 8 & 255), (byte)(width & 255), (byte)(width >> 8 & 255), (byte)(height & 255), (byte)(height >> 8 & 255), (byte)(fillMode & 255), (byte)(thickness & 255)}; synchronized(this) { this.write(buf); } } else { throw new IllegalArgumentException("The illegal parameter"); } } public String[] getSettings(int type) throws IOException { byte[] buffer = new byte[2044]; int offset = 0; synchronized(this) { this.clear(); this.output(new byte[]{(byte)27, (byte)115, (byte)type}); while(true) { ++offset; this.request(offset, 1000); if(buffer[offset - 1] == 0) { break; } } } StringBuffer sb = new StringBuffer(); for(int i = 0; i < offset; ++i) { if((buffer[i] & 255) > 32) { sb.append((char)(buffer[i] & 255)); } else if((buffer[i] & 255) > 0) { sb.append('\n'); } } return sb.toString().substring(1).split("\n"); } public void setIntensity(int level) throws IOException { byte[] buf = new byte[]{(byte)27, (byte)89, (byte)level}; synchronized(this) { this.write(buf); } } public TouchChip getTouchChip() { TouchChip instance = new TouchChip() { protected byte[] transmit(byte[] input) throws IOException { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); buffer.write(27); buffer.write(39); int offset; for(int result = 0; result < input.length; ++result) { offset = input[result] & 255; if(offset < 32) { buffer.write(16); buffer.write(offset + 32); } else { buffer.write(offset); } } Printer var8 = Printer.this; synchronized(Printer.this) { Printer.this.clear(); Printer.this.output(buffer.toByteArray()); offset = 0; do { ++offset; Printer.this.request(offset, 31000); } while(offset < Printer.this.mDataBuffer.length - 1 && Printer.this.mDataBuffer[offset - 1] != 10); buffer.reset(); for(int i = 0; i < offset - 2; ++i) { int v = Printer.this.mDataBuffer[i] & 255; if(v == 16) { byte[] var10000 = Printer.this.mDataBuffer; ++i; v = (var10000[i] & 255) - 32; } buffer.write(v); } } byte[] var9 = buffer.toByteArray(); return var9; } }; return instance; } public void journalFormat() throws IOException { ByteArrayOutputStream o = new ByteArrayOutputStream(); o.write(29); o.write(35); o.write(37); o.write(38); o.write(42); o.write(69); synchronized(this) { this.clear(); this.output(o.toByteArray()); this.request(3, 3000); } } public void journalWrite(byte[] data) throws IOException { if(data.length > 400) { throw new IllegalArgumentException("The parameter \'text\' is out of limits"); } else { ByteArrayOutputStream o = new ByteArrayOutputStream(); o.write(29); o.write(35); o.write(37); o.write(38); o.write(42); o.write(119); o.write(data.length); o.write(data.length >> 8); o.write(data); synchronized(this) { this.clear(); this.output(o.toByteArray()); this.request(3, 1000); } } } public void journalWrite(String text, String charset) throws IOException { byte[] data = text.getBytes(charset); this.journalWrite(data); } public void journalPrint() throws IOException { ByteArrayOutputStream o = new ByteArrayOutputStream(); o.write(29); o.write(35); o.write(37); o.write(38); o.write(42); o.write(80); synchronized(this) { this.output(o.toByteArray()); } } private byte[] journalRead(boolean first) throws IOException { byte[] buffer = new byte[]{(byte)29, (byte)35, (byte)37, (byte)38, (byte)42, (byte)(first?70:78)}; synchronized(this) { this.clear(); this.output(buffer); int cnt = 1; boolean len = false; int var8; do { do { ++cnt; this.request(cnt, 1000); var8 = (this.mDataBuffer[1] & 255) + ((this.mDataBuffer[2] & 255) << 8); } while(cnt < 3); } while(var8 != cnt - 3); if(this.mDataBuffer[0] == 70) { return null; } else { byte[] tmp = new byte[var8]; System.arraycopy(this.mDataBuffer, 3, tmp, 0, tmp.length); return tmp; } } } public byte[] journalRead() throws IOException { ByteArrayOutputStream o = new ByteArrayOutputStream(); synchronized(this) { byte[] res = this.journalRead(true); if(res != null) { o.write(res); while((res = this.journalRead(false)) != null) { o.write(res); } } } return o.toByteArray(); } public String journalRead(String charset) throws IOException { byte[] data = this.journalRead(); return new String(data, 0, data.length, charset); } public interface ConnectionListener { void onDisconnect(); } private class Settings { public int barcodeAlign; public int barcodeScale; public int barcodeHeight; public int barcodeHriFont; public int barcodeHriCode; private Settings() { } } }