From: gumartinm Date: Mon, 16 Apr 2012 07:57:51 +0000 (+0200) Subject: Working on my JavaPOS driver. X-Git-Url: https://git.gumartinm.name/?a=commitdiff_plain;h=5c4c25da76201d2b6ed8fae5c2936f52a667efe5;p=JavaForFun Working on my JavaPOS driver. No time for comments... --- diff --git a/JavaPOS/KeyBoardDriver/src/main/java/de/javapos/example/hardware/KeyBoardDeviceLinux.java b/JavaPOS/KeyBoardDriver/src/main/java/de/javapos/example/hardware/KeyBoardDeviceLinux.java index d421617..3f0f415 100644 --- a/JavaPOS/KeyBoardDriver/src/main/java/de/javapos/example/hardware/KeyBoardDeviceLinux.java +++ b/JavaPOS/KeyBoardDriver/src/main/java/de/javapos/example/hardware/KeyBoardDeviceLinux.java @@ -46,6 +46,8 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { @Override public void close() throws JposException { + this.disable(); + this.release(); } @Override @@ -76,7 +78,8 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { lock = this.fileChannelLock.lock(); //I do not like catching RunTimeExceptions but I have no choice... } catch (OverlappingFileLockException e) { - logger.warn("Concurrent access in claim method not supported without synchronization.", e); + logger.warn("Concurrent access in claim method not supported without synchronization or you have" + + "more than one instances of the KeyBoardDeviceLinux class", e); } catch (IOException e) { throw new JposException(JposConst.JPOS_E_CLAIMED, "Error while trying to claim device.",e); } @@ -91,7 +94,8 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { } //I do not like catching RunTimeExceptions but I have no choice... } catch (OverlappingFileLockException e) { - logger.warn("Concurrent access in claim method not supported without synchronization.", e); + logger.warn("Concurrent access in claim method not supported without synchronization or you have" + + "more than one instances of the KeyBoardDeviceLinux class", e); } catch (IOException e) { throw new JposException(JposConst.JPOS_E_CLAIMED, "Error while trying to claim device.",e); } @@ -206,10 +210,10 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { @Override public void disable() throws JposException { + //This method releases the Java NIO channel. It is thread safety. :) see: Interruptible this.thread.interrupt(); try { this.thread.join(); - this.device.close(); } catch (InterruptedException e) { //restore interrupt status. //QUE PASA SIN LLAMAN A INTERRUPT EN JOIN Y EL HILO NUNCA MURIERA @@ -218,8 +222,6 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { //JUSTO AQUI INTENTA HACER ENABLE PUEDE QUE VEA EL HILO TODAVIA VIVO AUNQUE YA SE HABIA //PASADO POR EL DISABLE, PERO TAN POCO ES UN GRAN PROBLEMA ESO. LUEGO PARA MÍ QUE ESTO ESTA OK!!! :) Thread.currentThread().interrupt(); - } catch (IOException e) { - throw new JposException(JposConst.JPOSERR, "Error when closing the keyboard device file", e); } } @@ -326,11 +328,10 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { value = ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + (ch4 << 0)); if (type == KeyBoardDeviceLinux.EV_KEY) { - this.eventListener.inputAvailable(code); + //this.eventListener.inputAvailable(code); logger.debug("Captured key " + "type: " + type + " code: " + code + " value: " + value); if (KeyBoardDeviceLinux.this.autoDisable) { - //CERRAR this.device.close(); NO SE COMO HACER ESTO CORRECTAMENTE :( break; } } @@ -342,18 +343,16 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { //logger.debug or logger.error if it was an error I am not going to log it... :/ logger.debug("Finished KeyBoardDeviceLinux Thread", e); } finally { - try { - this.device.close(); - //SI EL HILO MUERE ¿DEBERÍA DEJAR EL ESTADO DEL DISPOSITIVO LOGICO JAVAPOS + //This method releases the Java NIO channels. It is thread-safety :) see: Interruptible + this.thread.interrupt(); + //SI EL HILO MUERE ¿ESTOY DEJANDO EL ESTADO DEL DISPOSITIVO LOGICO JAVAPOS //EN UN MODO CONSISTENTE? - //liberar el LOCK SI EL HILO MUERE DE FORMA INESPERADA???? + //liberar el LOCK SI EL HILO MUERE DE FORMA INESPERADA???? NO, JavaPOS no dice nada. //¿como moriria este hilo de forma inesperada?? por ejemplo por RunTimeException //¿Como hago saber a la aplicacion que este hilo murio de forma inesperada por RunTimeException y el teclado //ha dejado de funcionar... Si el teclado deja de funcionar no sería mejor parar toda la aplicacion y ver //que pasa... - } catch (IOException e1) { - logger.warn("Something went wrong while closing the channel",e1); - } + } } @@ -371,7 +370,7 @@ public class KeyBoardDeviceLinux implements BaseKeyBoardDriver, Runnable { //Because I do not have a POS I am going to use the keyboard of my computer. //see: /dev/input/by-path/ //And the Keyborad scancode is for USB devices. - String device ="/dev/input/event6"; + String device ="/dev/input/event5"; KeyBoardDeviceLinux driver = new KeyBoardDeviceLinux(); logger.info("Main test of KeyBoardDeviceLinux class");