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/*
* 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.os.Parcel;
import android.os.Parcelable;
import android.telephony.Rlog;
import java.util.Arrays;
/**
* {@hide}
*/
public class PlmnActRecord implements Parcelable {
private static final String LOG_TAG = "PlmnActRecord";
// 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;
private static final boolean VDBG = true;
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];
}
};
/* 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 = ((int) bytes[offset + 3] << 8) | bytes[offset + 4];
}
private PlmnActRecord(String plmn, int accessTechs) {
this.plmn = plmn;
this.accessTechs = accessTechs;
}
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);
}
}
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