10825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville/* 20825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Copyright (C) 2011 The Android Open Source Project 30825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 40825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Licensed under the Apache License, Version 2.0 (the "License"); 50825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * you may not use this file except in compliance with the License. 60825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * You may obtain a copy of the License at 70825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 80825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * http://www.apache.org/licenses/LICENSE-2.0 90825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * 100825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Unless required by applicable law or agreed to in writing, software 110825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * distributed under the License is distributed on an "AS IS" BASIS, 120825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * See the License for the specific language governing permissions and 140825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * limitations under the License. 150825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 160825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 170825495a331bb44df395a0cdb79fab85e68db5d5Wink Savillepackage com.android.internal.telephony; 180825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 190825495a331bb44df395a0cdb79fab85e68db5d5Wink Savilleimport android.util.Log; 200825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 210825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville/** 220825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Wrapper class for an ICC EF containing a bit field of enabled services. 230825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 240825495a331bb44df395a0cdb79fab85e68db5d5Wink Savillepublic abstract class IccServiceTable { 250825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville protected final byte[] mServiceTable; 260825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 270825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville protected IccServiceTable(byte[] table) { 280825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville mServiceTable = table; 290825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 300825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 310825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville // Get the class name to use for log strings 320825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville protected abstract String getTag(); 330825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 340825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville // Get the array of enums to use for toString 350825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville protected abstract Object[] getValues(); 360825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 370825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville /** 380825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * Returns if the specified service is available. 390825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * @param service the service number as a zero-based offset (the enum ordinal) 400825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville * @return true if the service is available; false otherwise 410825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville */ 420825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville protected boolean isAvailable(int service) { 430825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int offset = service / 8; 440825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville if (offset >= mServiceTable.length) { 450825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville // Note: Enums are zero-based, but the TS service numbering is one-based 460825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville Log.e(getTag(), "isAvailable for service " + (service + 1) + " fails, max service is " + 470825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville (mServiceTable.length * 8)); 480825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville return false; 490825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 500825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int bit = service % 8; 510825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville return (mServiceTable[offset] & (1 << bit)) != 0; 520825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 530825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 540825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville public String toString() { 550825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville Object[] values = getValues(); 560825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int numBytes = mServiceTable.length; 570825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville StringBuilder builder = new StringBuilder(getTag()).append('[') 580825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville .append(numBytes * 8).append("]={ "); 590825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville 600825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville boolean addComma = false; 610825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville for (int i = 0; i < numBytes; i++) { 620825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville byte currentByte = mServiceTable[i]; 630825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville for (int bit = 0; bit < 8; bit++) { 640825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville if ((currentByte & (1 << bit)) != 0) { 650825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville if (addComma) { 660825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(", "); 670825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } else { 680825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville addComma = true; 690825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 700825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville int ordinal = (i * 8) + bit; 710825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville if (ordinal < values.length) { 720825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append(values[ordinal]); 730825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } else { 740825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville builder.append('#').append(ordinal + 1); // service number (one-based) 750825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 760825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 770825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 780825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 790825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville return builder.append(" }").toString(); 800825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville } 810825495a331bb44df395a0cdb79fab85e68db5d5Wink Saville} 82