content: /*
   * Copyright (C) 2014 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.NonNull;
  import android.annotation.Nullable;
  import android.annotation.SystemApi;
  import android.annotation.UnsupportedAppUsage;
  import android.net.LinkProperties;
  import android.os.Parcel;
  import android.os.Parcelable;
  import android.telephony.data.ApnSetting;
  
  import java.util.Objects;
  
  
  /**
   * Contains precise data connection state.
   *
   * The following data connection information is included in returned PreciseDataConnectionState:
   *
   * <ul>
   *   <li>Data connection state.
   *   <li>Network type of the connection.
   *   <li>APN types.
   *   <li>APN.
   *   <li>The properties of the network link.
   *   <li>Data connection fail cause.
   * </ul>
   *
   * @hide
   */
  @SystemApi
  public final class PreciseDataConnectionState implements Parcelable {
  
      private @TelephonyManager.DataState int mState = TelephonyManager.DATA_UNKNOWN;
      private @TelephonyManager.NetworkType int mNetworkType = TelephonyManager.NETWORK_TYPE_UNKNOWN;
      private @DataFailCause.FailCause int mFailCause = DataFailCause.NONE;
      private @ApnSetting.ApnType int mAPNTypes = ApnSetting.TYPE_NONE;
      private String mAPN = "";
      private LinkProperties mLinkProperties = null;
  
      /**
       * Constructor
       *
       * @hide
       */
      @UnsupportedAppUsage
      public PreciseDataConnectionState(@TelephonyManager.DataState int state,
                                        @TelephonyManager.NetworkType int networkType,
                                        @ApnSetting.ApnType int apnTypes, String apn,
                                        LinkProperties linkProperties,
                                        @DataFailCause.FailCause int failCause) {
          mState = state;
          mNetworkType = networkType;
          mAPNTypes = apnTypes;
          mAPN = apn;
          mLinkProperties = linkProperties;
          mFailCause = failCause;
      }
  
      /**
       * Empty Constructor
       *
       * @hide
       */
      public PreciseDataConnectionState() {
      }
  
      /**
       * Construct a PreciseDataConnectionState object from the given parcel.
       *
       * @hide
       */
      private PreciseDataConnectionState(Parcel in) {
          mState = in.readInt();
          mNetworkType = in.readInt();
          mAPNTypes = in.readInt();
          mAPN = in.readString();
          mLinkProperties = (LinkProperties)in.readParcelable(null);
          mFailCause = in.readInt();
      }
  
      /**
       * Returns the state of data connection that supported the apn types returned by
       * {@link #getDataConnectionApnTypeBitMask()}
       */
      public @TelephonyManager.DataState int getDataConnectionState() {
          return mState;
      }
  
      /**
       * Returns the network type associated with this data connection.
       * @hide
       */
      public @TelephonyManager.NetworkType int getDataConnectionNetworkType() {
          return mNetworkType;
      }
  
      /**
       * Returns the data connection APN types supported by this connection and triggers
       * {@link PreciseDataConnectionState} change.
       */
      public @ApnSetting.ApnType int getDataConnectionApnTypeBitMask() {
          return mAPNTypes;
      }
  
      /**
       * Returns APN {@link ApnSetting} of this data connection.
       */
      @Nullable
      public String getDataConnectionApn() {
          return mAPN;
      }
  
      /**
       * Get the properties of the network link {@link LinkProperties}.
       * @hide
       */
      @UnsupportedAppUsage
      public LinkProperties getDataConnectionLinkProperties() {
          return mLinkProperties;
      }
  
      /**
       * Returns data connection fail cause, in case there was a failure.
       */
      public @DataFailCause.FailCause int getDataConnectionFailCause() {
          return mFailCause;
      }
  
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel out, int flags) {
          out.writeInt(mState);
          out.writeInt(mNetworkType);
          out.writeInt(mAPNTypes);
          out.writeString(mAPN);
          out.writeParcelable(mLinkProperties, flags);
          out.writeInt(mFailCause);
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<PreciseDataConnectionState> CREATOR
              = new Parcelable.Creator<PreciseDataConnectionState>() {
  
          public PreciseDataConnectionState createFromParcel(Parcel in) {
              return new PreciseDataConnectionState(in);
          }
  
          public PreciseDataConnectionState[] newArray(int size) {
              return new PreciseDataConnectionState[size];
          }
      };
  
      @Override
      public int hashCode() {
          return Objects.hash(mState, mNetworkType, mAPNTypes, mAPN, mLinkProperties,
                  mFailCause);
      }
  
      @Override
      public boolean equals(Object obj) {
  
          if (!(obj instanceof PreciseDataConnectionState)) {
              return false;
          }
  
          PreciseDataConnectionState other = (PreciseDataConnectionState) obj;
          return Objects.equals(mAPN, other.mAPN) && mAPNTypes == other.mAPNTypes
                  && mFailCause == other.mFailCause
                  && Objects.equals(mLinkProperties, other.mLinkProperties)
                  && mNetworkType == other.mNetworkType
                  && mState == other.mState;
      }
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder();
  
          sb.append("Data Connection state: " + mState);
          sb.append(", Network type: " + mNetworkType);
          sb.append(", APN types: " + ApnSetting.getApnTypesStringFromBitmask(mAPNTypes));
          sb.append(", APN: " + mAPN);
          sb.append(", Link properties: " + mLinkProperties);
          sb.append(", Fail cause: " + DataFailCause.toString(mFailCause));
  
          return sb.toString();
      }
  }
  