blob: 6276626afae26c366059f21131deb953711187ac [file] [log] [blame]
/*
* Copyright (C) 2012 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 android.telephony;
import android.os.Parcel;
import android.os.Parcelable;
import android.telephony.Rlog;
import android.text.TextUtils;
import java.util.Objects;
/**
* CellIdentity to represent a unique GSM cell
*/
public final class CellIdentityGsm implements Parcelable {
private static final String LOG_TAG = "CellIdentityGsm";
private static final boolean DBG = false;
// 16-bit Location Area Code, 0..65535
private final int mLac;
// 16-bit GSM Cell Identity described in TS 27.007, 0..65535
private final int mCid;
// 16-bit GSM Absolute RF Channel Number
private final int mArfcn;
// 6-bit Base Station Identity Code
private final int mBsic;
// 3-digit Mobile Country Code in string format
private final String mMccStr;
// 2 or 3-digit Mobile Network Code in string format
private final String mMncStr;
// long alpha Operator Name String or Enhanced Operator Name String
private final String mAlphaLong;
// short alpha Operator Name String or Enhanced Operator Name String
private final String mAlphaShort;
/**
* @hide
*/
public CellIdentityGsm() {
mLac = Integer.MAX_VALUE;
mCid = Integer.MAX_VALUE;
mArfcn = Integer.MAX_VALUE;
mBsic = Integer.MAX_VALUE;
mMccStr = null;
mMncStr = null;
mAlphaLong = null;
mAlphaShort = null;
}
/**
* public constructor
* @param mcc 3-digit Mobile Country Code, 0..999
* @param mnc 2 or 3-digit Mobile Network Code, 0..999
* @param lac 16-bit Location Area Code, 0..65535
* @param cid 16-bit GSM Cell Identity or 28-bit UMTS Cell Identity
*
* @hide
*/
public CellIdentityGsm (int mcc, int mnc, int lac, int cid) {
this(lac, cid, Integer.MAX_VALUE, Integer.MAX_VALUE,
String.valueOf(mcc), String.valueOf(mnc), null, null);
}
/**
* public constructor
* @param mcc 3-digit Mobile Country Code, 0..999
* @param mnc 2 or 3-digit Mobile Network Code, 0..999
* @param lac 16-bit Location Area Code, 0..65535
* @param cid 16-bit GSM Cell Identity or 28-bit UMTS Cell Identity
* @param arfcn 16-bit GSM Absolute RF Channel Number
* @param bsic 6-bit Base Station Identity Code
*
* @hide
*/
public CellIdentityGsm (int mcc, int mnc, int lac, int cid, int arfcn, int bsic) {
this(lac, cid, arfcn, bsic, String.valueOf(mcc), String.valueOf(mnc), null, null);
}
/**
* public constructor
* @param lac 16-bit Location Area Code, 0..65535
* @param cid 16-bit GSM Cell Identity or 28-bit UMTS Cell Identity
* @param arfcn 16-bit GSM Absolute RF Channel Number
* @param bsic 6-bit Base Station Identity Code
* @param mccStr 3-digit Mobile Country Code in string format
* @param mncStr 2 or 3-digit Mobile Network Code in string format
* @param alphal long alpha Operator Name String or Enhanced Operator Name String
* @param alphas short alpha Operator Name String or Enhanced Operator Name String
*
* @throws IllegalArgumentException if the input MCC is not a 3-digit code or the input MNC is
* not a 2 or 3-digit code.
*
* @hide
*/
public CellIdentityGsm (int lac, int cid, int arfcn, int bsic, String mccStr,
String mncStr, String alphal, String alphas) {
mLac = lac;
mCid = cid;
mArfcn = arfcn;
// In RIL BSIC is a UINT8, so 0xFF is the 'INVALID' designator
// for inbound parcels
mBsic = (bsic == 0xFF) ? Integer.MAX_VALUE : bsic;
if (mccStr == null || mccStr.matches("^[0-9]{3}$")) {
mMccStr = mccStr;
} else if (mccStr.isEmpty()) {
// If the mccStr parsed from Parcel is empty, set it as null.
mMccStr = null;
} else {
throw new IllegalArgumentException("invalid MCC format");
}
if (mncStr == null || mncStr.matches("^[0-9]{2,3}$")) {
mMncStr = mncStr;
} else if (mncStr.isEmpty()) {
// If the mncStr parsed from Parcel is empty, set it as null.
mMncStr = null;
} else {
throw new IllegalArgumentException("invalid MNC format");
}
mAlphaLong = alphal;
mAlphaShort = alphas;
}
private CellIdentityGsm(CellIdentityGsm cid) {
this(cid.mLac, cid.mCid, cid.mArfcn, cid.mBsic, cid.mMccStr,
cid.mMncStr, cid.mAlphaLong, cid.mAlphaShort);
}
CellIdentityGsm copy() {
return new CellIdentityGsm(this);
}
/**
* @return 3-digit Mobile Country Code, 0..999, Integer.MAX_VALUE if unknown
* @deprecated Use {@link #getMccStr} instead.
*/
@Deprecated
public int getMcc() {
return (mMccStr != null) ? Integer.valueOf(mMccStr) : Integer.MAX_VALUE;
}
/**
* @return 2 or 3-digit Mobile Network Code, 0..999, Integer.MAX_VALUE if unknown
* @deprecated Use {@link #getMncStr} instead.
*/
@Deprecated
public int getMnc() {
return (mMncStr != null) ? Integer.valueOf(mMncStr) : Integer.MAX_VALUE;
}
/**
* @return 16-bit Location Area Code, 0..65535, Integer.MAX_VALUE if unknown
*/
public int getLac() {
return mLac;
}
/**
* @return CID
* Either 16-bit GSM Cell Identity described
* in TS 27.007, 0..65535, Integer.MAX_VALUE if unknown
*/
public int getCid() {
return mCid;
}
/**
* @return 16-bit GSM Absolute RF Channel Number, Integer.MAX_VALUE if unknown
*/
public int getArfcn() {
return mArfcn;
}
/**
* @return 6-bit Base Station Identity Code, Integer.MAX_VALUE if unknown
*/
public int getBsic() {
return mBsic;
}
/**
* @return a 5 or 6 character string (MCC+MNC), null if any field is unknown
*/
public String getMobileNetworkOperator() {
return (mMncStr == null || mMncStr == null) ? null : mMccStr + mMncStr;
}
/**
* @return Mobile Country Code in string format, null if unknown
*/
public String getMccStr() {
return mMccStr;
}
/**
* @return Mobile Network Code in string format, null if unknown
*/
public String getMncStr() {
return mMncStr;
}
/**
* @return The long alpha tag associated with the current scan result (may be the operator
* name string or extended operator name string). May be null if unknown.
*/
public CharSequence getOperatorAlphaLong() {
return mAlphaLong;
}
/**
* @return The short alpha tag associated with the current scan result (may be the operator
* name string or extended operator name string). May be null if unknown.
*/
public CharSequence getOperatorAlphaShort() {
return mAlphaShort;
}
/**
* @return Integer.MAX_VALUE, undefined for GSM
*/
@Deprecated
public int getPsc() {
return Integer.MAX_VALUE;
}
@Override
public int hashCode() {
return Objects.hash(mMccStr, mMncStr, mLac, mCid, mAlphaLong, mAlphaShort);
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof CellIdentityGsm)) {
return false;
}
CellIdentityGsm o = (CellIdentityGsm) other;
return mLac == o.mLac &&
mCid == o.mCid &&
mArfcn == o.mArfcn &&
mBsic == o.mBsic &&
TextUtils.equals(mMccStr, o.mMccStr) &&
TextUtils.equals(mMncStr, o.mMncStr) &&
TextUtils.equals(mAlphaLong, o.mAlphaLong) &&
TextUtils.equals(mAlphaShort, o.mAlphaShort);
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("CellIdentityGsm:{");
sb.append(" mLac=").append(mLac);
sb.append(" mCid=").append(mCid);
sb.append(" mArfcn=").append(mArfcn);
sb.append(" mBsic=").append("0x").append(Integer.toHexString(mBsic));
sb.append(" mMcc=").append(mMccStr);
sb.append(" mMnc=").append(mMncStr);
sb.append(" mAlphaLong=").append(mAlphaLong);
sb.append(" mAlphaShort=").append(mAlphaShort);
sb.append("}");
return sb.toString();
}
/** Implement the Parcelable interface */
@Override
public int describeContents() {
return 0;
}
/** Implement the Parcelable interface */
@Override
public void writeToParcel(Parcel dest, int flags) {
if (DBG) log("writeToParcel(Parcel, int): " + toString());
dest.writeInt(mLac);
dest.writeInt(mCid);
dest.writeInt(mArfcn);
dest.writeInt(mBsic);
dest.writeString(mMccStr);
dest.writeString(mMncStr);
dest.writeString(mAlphaLong);
dest.writeString(mAlphaShort);
}
/** Construct from Parcel, type has already been processed */
private CellIdentityGsm(Parcel in) {
this(in.readInt(), in.readInt(), in.readInt(), in.readInt(), in.readString(),
in.readString(), in.readString(), in.readString());
if (DBG) log("CellIdentityGsm(Parcel): " + toString());
}
/** Implement the Parcelable interface */
@SuppressWarnings("hiding")
public static final Creator<CellIdentityGsm> CREATOR =
new Creator<CellIdentityGsm>() {
@Override
public CellIdentityGsm createFromParcel(Parcel in) {
return new CellIdentityGsm(in);
}
@Override
public CellIdentityGsm[] newArray(int size) {
return new CellIdentityGsm[size];
}
};
/**
* log
*/
private static void log(String s) {
Rlog.w(LOG_TAG, s);
}
}