b635fb8eb3
Because Java uses signed bytes, a comparison between a byte and 0xFF will always fail after integer promotion. Fix this by forcing 0xFF to be treated as a byte for comparison. Bug: 119224773 Test: fixes build breakage Change-Id: I9615667a6b442060f1d43084d56bc9c3fdb3ba35
282 lines
8.7 KiB
Java
282 lines
8.7 KiB
Java
/*
|
|
* 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.annotation.Nullable;
|
|
import android.annotation.UnsupportedAppUsage;
|
|
import android.os.Parcel;
|
|
import android.telephony.gsm.GsmCellLocation;
|
|
import android.text.TextUtils;
|
|
|
|
import java.util.Objects;
|
|
|
|
/**
|
|
* CellIdentity to represent a unique GSM cell
|
|
*/
|
|
public final class CellIdentityGsm extends CellIdentity {
|
|
private static final String TAG = CellIdentityGsm.class.getSimpleName();
|
|
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;
|
|
|
|
/**
|
|
* @hide
|
|
*/
|
|
@UnsupportedAppUsage
|
|
public CellIdentityGsm() {
|
|
super(TAG, CellInfo.TYPE_GSM, null, null, null, null);
|
|
mLac = CellInfo.UNAVAILABLE;
|
|
mCid = CellInfo.UNAVAILABLE;
|
|
mArfcn = CellInfo.UNAVAILABLE;
|
|
mBsic = CellInfo.UNAVAILABLE;
|
|
}
|
|
|
|
/**
|
|
* 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
|
|
*
|
|
* @hide
|
|
*/
|
|
public CellIdentityGsm(int lac, int cid, int arfcn, int bsic, String mccStr,
|
|
String mncStr, String alphal, String alphas) {
|
|
super(TAG, CellInfo.TYPE_GSM, mccStr, mncStr, alphal, alphas);
|
|
mLac = lac;
|
|
mCid = cid;
|
|
mArfcn = arfcn;
|
|
mBsic = bsic;
|
|
}
|
|
|
|
/** @hide */
|
|
public CellIdentityGsm(android.hardware.radio.V1_0.CellIdentityGsm cid) {
|
|
this(cid.lac, cid.cid, cid.arfcn,
|
|
cid.bsic == (byte) 0xFF ? CellInfo.UNAVAILABLE : cid.bsic,
|
|
cid.mcc, cid.mnc, "", "");
|
|
}
|
|
|
|
/** @hide */
|
|
public CellIdentityGsm(android.hardware.radio.V1_2.CellIdentityGsm cid) {
|
|
this(cid.base.lac, cid.base.cid, cid.base.arfcn,
|
|
cid.base.bsic == (byte) 0xFF ? CellInfo.UNAVAILABLE : cid.base.bsic, cid.base.mcc,
|
|
cid.base.mnc, cid.operatorNames.alphaLong, cid.operatorNames.alphaShort);
|
|
}
|
|
|
|
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,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
* @deprecated Use {@link #getMccString} instead.
|
|
*/
|
|
@Deprecated
|
|
public int getMcc() {
|
|
return (mMccStr != null) ? Integer.valueOf(mMccStr) : CellInfo.UNAVAILABLE;
|
|
}
|
|
|
|
/**
|
|
* @return 2 or 3-digit Mobile Network Code, 0..999,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
* @deprecated Use {@link #getMncString} instead.
|
|
*/
|
|
@Deprecated
|
|
public int getMnc() {
|
|
return (mMncStr != null) ? Integer.valueOf(mMncStr) : CellInfo.UNAVAILABLE;
|
|
}
|
|
|
|
/**
|
|
* @return 16-bit Location Area Code, 0..65535,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
*/
|
|
public int getLac() {
|
|
return mLac;
|
|
}
|
|
|
|
/**
|
|
* @return 16-bit GSM Cell Identity described in TS 27.007, 0..65535,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
*/
|
|
public int getCid() {
|
|
return mCid;
|
|
}
|
|
|
|
/**
|
|
* @return 16-bit GSM Absolute RF Channel Number,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
*/
|
|
public int getArfcn() {
|
|
return mArfcn;
|
|
}
|
|
|
|
/**
|
|
* @return 6-bit Base Station Identity Code,
|
|
* {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} if unavailable.
|
|
*/
|
|
public int getBsic() {
|
|
return mBsic;
|
|
}
|
|
|
|
/**
|
|
* @return a 5 or 6 character string (MCC+MNC), null if any field is unknown.
|
|
*/
|
|
@Nullable
|
|
public String getMobileNetworkOperator() {
|
|
return (mMccStr == null || mMncStr == null) ? null : mMccStr + mMncStr;
|
|
}
|
|
|
|
/**
|
|
* @return Mobile Country Code in string format, null if unavailable.
|
|
*/
|
|
public String getMccString() {
|
|
return mMccStr;
|
|
}
|
|
|
|
/**
|
|
* @return Mobile Network Code in string format, null if unavailable.
|
|
*/
|
|
public String getMncString() {
|
|
return mMncStr;
|
|
}
|
|
|
|
/** @hide */
|
|
@Override
|
|
public int getChannelNumber() {
|
|
return mArfcn;
|
|
}
|
|
|
|
/**
|
|
* @deprecated Primary Scrambling Code is not applicable to GSM.
|
|
* @return {@link android.telephony.CellInfo#UNAVAILABLE UNAVAILABLE} - undefined for GSM
|
|
*/
|
|
@Deprecated
|
|
public int getPsc() {
|
|
return CellInfo.UNAVAILABLE;
|
|
}
|
|
|
|
/** @hide */
|
|
@Override
|
|
public GsmCellLocation asCellLocation() {
|
|
GsmCellLocation cl = new GsmCellLocation();
|
|
int lac = mLac != CellInfo.UNAVAILABLE ? mLac : -1;
|
|
int cid = mCid != CellInfo.UNAVAILABLE ? mCid : -1;
|
|
cl.setLacAndCid(lac, cid);
|
|
cl.setPsc(-1);
|
|
return cl;
|
|
}
|
|
|
|
@Override
|
|
public int hashCode() {
|
|
return Objects.hash(mLac, mCid, super.hashCode());
|
|
}
|
|
|
|
@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)
|
|
&& super.equals(other);
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return new StringBuilder(TAG)
|
|
.append(":{ mLac=").append(mLac)
|
|
.append(" mCid=").append(mCid)
|
|
.append(" mArfcn=").append(mArfcn)
|
|
.append(" mBsic=").append("0x").append(Integer.toHexString(mBsic))
|
|
.append(" mMcc=").append(mMccStr)
|
|
.append(" mMnc=").append(mMncStr)
|
|
.append(" mAlphaLong=").append(mAlphaLong)
|
|
.append(" mAlphaShort=").append(mAlphaShort)
|
|
.append("}").toString();
|
|
}
|
|
|
|
/** Implement the Parcelable interface */
|
|
@Override
|
|
public void writeToParcel(Parcel dest, int flags) {
|
|
if (DBG) log("writeToParcel(Parcel, int): " + toString());
|
|
super.writeToParcel(dest, CellInfo.TYPE_GSM);
|
|
dest.writeInt(mLac);
|
|
dest.writeInt(mCid);
|
|
dest.writeInt(mArfcn);
|
|
dest.writeInt(mBsic);
|
|
}
|
|
|
|
/** Construct from Parcel, type has already been processed */
|
|
private CellIdentityGsm(Parcel in) {
|
|
super(TAG, CellInfo.TYPE_GSM, in);
|
|
mLac = in.readInt();
|
|
mCid = in.readInt();
|
|
mArfcn = in.readInt();
|
|
mBsic = in.readInt();
|
|
|
|
if (DBG) log(toString());
|
|
}
|
|
|
|
/** Implement the Parcelable interface */
|
|
@SuppressWarnings("hiding")
|
|
public static final Creator<CellIdentityGsm> CREATOR =
|
|
new Creator<CellIdentityGsm>() {
|
|
@Override
|
|
public CellIdentityGsm createFromParcel(Parcel in) {
|
|
in.readInt(); // skip
|
|
return createFromParcelBody(in);
|
|
}
|
|
|
|
@Override
|
|
public CellIdentityGsm[] newArray(int size) {
|
|
return new CellIdentityGsm[size];
|
|
}
|
|
};
|
|
|
|
/** @hide */
|
|
protected static CellIdentityGsm createFromParcelBody(Parcel in) {
|
|
return new CellIdentityGsm(in);
|
|
}
|
|
}
|