hellostk-playtone.java

package org.toorcamp.HelloSTK;

import javacard.framework.APDU;
import javacard.framework.Applet;
import javacard.framework.ISOException;

import sim.toolkit.EnvelopeHandler;
import sim.toolkit.ProactiveHandler;
import sim.toolkit.ToolkitConstants;
import sim.toolkit.ToolkitException;
import sim.toolkit.ToolkitInterface;
import sim.toolkit.ToolkitRegistry;

public class HelloSTK extends Applet implements ToolkitInterface, ToolkitConstants {
	// DON'T DECLARE USELESS INSTANCE VARIABLES! They get saved to the EEPROM,
	// which has a limited number of write cycles.
	private byte helloMenuItem;
	private byte menuItemPlayTone;
	private byte menuItemPlayTone2;

	static byte[] welcomeMsg = new byte[] { 'W', 'e', 'l', 'c', 'o', 'm', 'e', ' ',
                                            't', 'o', ' ', 'T', 'o', 'o', 'r', 'C',
                                            'a', 'm', 'p', ' ', '2', '0', '1', '2' };
	static byte[] msg = new byte[] {'H', 'a', 'i', 's', 'a', 'i', '!'};

	static byte[] menuItemText = new byte[] { 'H', 'e', 'l', 'l', 'o', ',', ' ', 'S', 'T', 'K'};
	static byte[] menuItemText2 = new byte[] { 'P', 'l', 'a', 'y', 'T', 'o', 'n', 'e', '1' };
	static byte[] menuItemText3 = new byte[] { 'P', 'l', 'a', 'y', 'T', 'o', 'n', 'e', '2' };

	// variable for storing location data
	private byte[] locationData = new byte[0x20];

	private HelloSTK() {
		// This is the interface to the STK applet registry (which is separate
		// from the JavaCard applet registry!)
		ToolkitRegistry reg = ToolkitRegistry.getEntry();

		// Define the applet Menu Entry
		helloMenuItem = reg.initMenuEntry(menuItemText, (short)0, (short)menuItemText.length,
				PRO_CMD_SELECT_ITEM, false, (byte)0, (short)0);
		menuItemPlayTone = reg.initMenuEntry(menuItemText2, (short)0, (short)menuItemText2.length,
				PRO_CMD_SELECT_ITEM, false, (byte)0, (short)0);
		menuItemPlayTone2 = reg.initMenuEntry(menuItemText3, (short) 0, (short) menuItemText3.length,
				PRO_CMD_SELECT_ITEM, false, (byte) 0, (short) 0);
		// register events
		reg.setEvent(EVENT_EVENT_DOWNLOAD_LOCATION_STATUS);  // this constant is defined in sim.toolkit.ToolkitConstants
	}

	// This method is called by the card when the applet is installed. You must
	// instantiate your applet and register it here.
	public static void install(byte[] bArray, short bOffset, byte bLength) {
		HelloSTK applet = new HelloSTK();
		applet.register();
	}

	// This processes APDUs sent directly to the applet. For STK applets, this
	// interface isn't really used.
	public void process(APDU arg0) throws ISOException {
		// ignore the applet select command dispached to the process
		if (selectingApplet())
			return;
	}

	// This processes STK events.
	public void processToolkit(byte event) throws ToolkitException {
		EnvelopeHandler envHdlr = EnvelopeHandler.getTheHandler();

		// When a menu item is selected
		if (event == EVENT_MENU_SELECTION) {
			byte selectedItemId = envHdlr.getItemIdentifier();

			if (selectedItemId == helloMenuItem) {
				showHello();
			}
			else if (selectedItemId == menuItemPlayTone) {
				// displayText(msg);
				playTone((byte)0x01, (byte)0x02);
				playTone((byte)0x11, (byte)0x01);
			}
			else if (selectedItemId == menuItemPlayTone2) {
				for(short x=0; x<0x16; x++) { playTone((byte)x, (byte)0x02); }
				playTone((byte)0x01, (byte)0x05);
				for(short x=0x30; x<0x48; x++) { playTone((byte)x, (byte)0x02); }
				// playTone((byte)0x11, (byte)0x01);
			}
		}
	}

	private void showHello() {
		ProactiveHandler proHdlr = ProactiveHandler.getTheHandler();
		proHdlr.initDisplayText((byte)0, DCS_8_BIT_DATA, welcomeMsg, (short)0,
				(short)(welcomeMsg.length));
		proHdlr.send();
		return;
	}
	// display any ascii text
	private void displayText(byte[] msg) {
		ProactiveHandler proHdlr = ProactiveHandler.getTheHandler();
		proHdlr.initDisplayText((byte)0, DCS_8_BIT_DATA, msg, (short)0, (short)(msg.length));
		proHdlr.send();
		return;
	}
	private void playTone(byte tone, byte durSecond) {
		// Proactive commandを扱うハンドラを用意する
		ProactiveHandler proHdlr = ProactiveHandler.getTheHandler();
		// Proactive commandを送るためのTLVを準備する
		// initではProactive UICC command Tag, Command details, Device identitiesを生成する
		// 引数：使用するコマンド, Command Qualifier(指定できる値はコマンドにより異なる), コマンドの送信先(送信元はUICC固定)
		proHdlr.init(PRO_CMD_PLAY_TONE, (byte)0x01, DEV_ID_EARPIECE);
		// appendTLVはinitで生成したTLVに対して新しくTLVを追加する
		// 引数の形式は数パターンある。ETSI TS 101 476に付属のAPIリファレンス参照
		proHdlr.appendTLV(TAG_DURATION, (byte)0x01, durSecond); // Tag, Value1:Time unit(0x01: second), Value2:Time interval
		proHdlr.appendTLV(TAG_TONE, tone); // Tag, Value:Type of tone
		proHdlr.send();
	}
}