| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| package com.android.internal.telephony.uicc; |
| |
| import android.annotation.IntDef; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.telephony.Rlog; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Arrays; |
| import java.util.Objects; |
| |
| /** |
| * {@hide} |
| */ |
| public class PlmnActRecord implements Parcelable { |
| private static final String LOG_TAG = "PlmnActRecord"; |
| |
| private static final boolean VDBG = false; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(flag = true, value = {ACCESS_TECH_UTRAN, ACCESS_TECH_EUTRAN, ACCESS_TECH_GSM, |
| ACCESS_TECH_GSM_COMPACT, ACCESS_TECH_CDMA2000_HRPD, ACCESS_TECH_CDMA2000_1XRTT, |
| ACCESS_TECH_RESERVED}) |
| public @interface AccessTech {} |
| // Values specified in 3GPP 31.102 sec. 4.2.5 |
| public static final int ACCESS_TECH_UTRAN = 0x8000; |
| public static final int ACCESS_TECH_EUTRAN = 0x4000; |
| public static final int ACCESS_TECH_GSM = 0x0080; |
| public static final int ACCESS_TECH_GSM_COMPACT = 0x0040; |
| public static final int ACCESS_TECH_CDMA2000_HRPD = 0x0020; |
| public static final int ACCESS_TECH_CDMA2000_1XRTT = 0x0010; |
| public static final int ACCESS_TECH_RESERVED = 0x3F0F; |
| |
| public static final int ENCODED_LENGTH = 5; |
| |
| public final String plmn; |
| public final int accessTechs; |
| |
| /** |
| * Instantiate a PLMN w/ ACT Record |
| */ |
| public PlmnActRecord(String plmn, int accessTechs) { |
| this.plmn = plmn; |
| this.accessTechs = accessTechs; |
| } |
| |
| /* From 3gpp 31.102 section 4.2.5 |
| * Bytes 0-2 bcd-encoded PLMN-ID |
| * Bytes 3-4 bitfield of access technologies |
| */ |
| public PlmnActRecord(byte[] bytes, int offset) { |
| if (VDBG) Rlog.v(LOG_TAG, "Creating PlmnActRecord " + offset); |
| this.plmn = IccUtils.bcdPlmnToString(bytes, offset); |
| this.accessTechs = (Byte.toUnsignedInt(bytes[offset + 3]) << 8) |
| | Byte.toUnsignedInt(bytes[offset + 4]); |
| } |
| |
| /** |
| * Get a record encoded as per 31.102 section 4.2.5 |
| */ |
| public byte[] getBytes() { |
| byte[] ret = new byte[ENCODED_LENGTH]; |
| IccUtils.stringToBcdPlmn(this.plmn, ret, 0); |
| ret[3] = (byte) (this.accessTechs >> 8); |
| ret[4] = (byte) this.accessTechs; |
| return ret; |
| } |
| |
| private String accessTechString() { |
| if (accessTechs == 0) { |
| return "NONE"; |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| if ((accessTechs & ACCESS_TECH_UTRAN) != 0) { |
| sb.append("UTRAN|"); |
| } |
| if ((accessTechs & ACCESS_TECH_EUTRAN) != 0) { |
| sb.append("EUTRAN|"); |
| } |
| if ((accessTechs & ACCESS_TECH_GSM) != 0) { |
| sb.append("GSM|"); |
| } |
| if ((accessTechs & ACCESS_TECH_GSM_COMPACT) != 0) { |
| sb.append("GSM_COMPACT|"); |
| } |
| if ((accessTechs & ACCESS_TECH_CDMA2000_HRPD) != 0) { |
| sb.append("CDMA2000_HRPD|"); |
| } |
| if ((accessTechs & ACCESS_TECH_CDMA2000_1XRTT) != 0) { |
| sb.append("CDMA2000_1XRTT|"); |
| } |
| if ((accessTechs & ACCESS_TECH_RESERVED) != 0) { |
| sb.append(String.format("UNKNOWN:%x|", accessTechs & ACCESS_TECH_RESERVED)); |
| } |
| // Trim the tailing pipe character |
| return sb.substring(0, sb.length() - 1); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("{PLMN=%s,AccessTechs=%s}", plmn, accessTechString()); |
| } |
| |
| /** |
| * Convenience method for extracting all records from encoded bytes |
| */ |
| public static PlmnActRecord[] getRecords(byte[] recordBytes) { |
| if (recordBytes == null || recordBytes.length == 0 |
| || recordBytes.length % ENCODED_LENGTH != 0) { |
| Rlog.e(LOG_TAG, "Malformed PlmnActRecord, bytes: " |
| + ((recordBytes != null) ? Arrays.toString(recordBytes) : null)); |
| return null; |
| } |
| int numRecords = recordBytes.length / ENCODED_LENGTH; |
| if (VDBG) Rlog.v(LOG_TAG, "Extracting Logs, count=" + numRecords); |
| |
| PlmnActRecord[] records = new PlmnActRecord[numRecords]; |
| |
| for(int i = 0; i < numRecords; i++) { |
| records[i] = new PlmnActRecord(recordBytes, i * ENCODED_LENGTH); |
| } |
| return records; |
| } |
| |
| // Parcelable Implementation |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(plmn); |
| dest.writeInt(accessTechs); |
| } |
| |
| public static final Parcelable.Creator<PlmnActRecord> CREATOR = |
| new Parcelable.Creator<PlmnActRecord>() { |
| @Override |
| public PlmnActRecord createFromParcel(Parcel source) { |
| return new PlmnActRecord(source.readString(), source.readInt()); |
| } |
| |
| @Override |
| public PlmnActRecord[] newArray(int size) { |
| return new PlmnActRecord[size]; |
| } |
| }; |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(plmn, accessTechs); |
| } |
| |
| @Override |
| public boolean equals(Object rhs) { |
| if (!(rhs instanceof PlmnActRecord)) return false; |
| |
| PlmnActRecord r = (PlmnActRecord) rhs; |
| return plmn.equals(r.plmn) && accessTechs == r.accessTechs; |
| } |
| } |