Java tutorial
//package com.java2s; /* * Copyright (C) 2010 Giesecke & Devrient GmbH * * Licensed 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 under the License. */ public class Main { /** * This method is responsible to convert the SW1 and SW2 bytes, received with an response APDU into * more significant text explanations. * * @param apdu the APDU received from the card in hex-format. * @return the hex-APDU with an additional text-explanation. */ public static String APDUtoText(String apdu) { if (apdu.compareTo("9000") == 0) return new String(apdu + " - Command executed successful!"); if (apdu.compareTo("6e00") == 0) return new String(apdu + " - Class not supported!"); return apdu; } }