content: /*
   * Copyright (C) 2018 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.euicc.apdu;
  
  import android.os.AsyncResult;
  import android.os.Message;
  import android.telephony.IccOpenLogicalChannelResponse;
  import android.telephony.Rlog;
  
  import com.android.internal.telephony.CommandException;
  import com.android.internal.telephony.CommandsInterface;
  import com.android.internal.telephony.uicc.euicc.async.AsyncMessageInvocation;
  
  /**
   * Invokes {@link CommandsInterface#iccOpenLogicalChannel(String, int, Message)}. This takes AID
   * (String) as the input and return the response of opening a logical channel. Error will be
   * included in the {@link IccOpenLogicalChannelResponse} result and no exception will be returned to
   * the result callback.
   *
   * @hide
   */
  class OpenLogicalChannelInvocation
          extends AsyncMessageInvocation<String, IccOpenLogicalChannelResponse> {
      private static final String LOG_TAG = "OpenChan";
  
      private final CommandsInterface mCi;
  
      OpenLogicalChannelInvocation(CommandsInterface ci) {
          mCi = ci;
      }
  
      @Override
      protected void sendRequestMessage(String aid, Message msg) {
          mCi.iccOpenLogicalChannel(aid, 0, msg);
      }
  
      @Override
      protected IccOpenLogicalChannelResponse parseResult(AsyncResult ar) {
          IccOpenLogicalChannelResponse openChannelResp;
          // The code below is copied from PhoneInterfaceManager.java.
          // TODO: move this code into IccOpenLogicalChannelResponse so that it can be shared.
          if (ar.exception == null && ar.result != null) {
              int[] result = (int[]) ar.result;
              int channel = result[0];
              byte[] selectResponse = null;
              if (result.length > 1) {
                  selectResponse = new byte[result.length - 1];
                  for (int i = 1; i < result.length; ++i) {
                      selectResponse[i - 1] = (byte) result[i];
                  }
              }
              openChannelResp = new IccOpenLogicalChannelResponse(
                      channel, IccOpenLogicalChannelResponse.STATUS_NO_ERROR, selectResponse);
          } else {
              if (ar.result == null) {
                  Rlog.e(LOG_TAG, "Empty response");
              }
              if (ar.exception != null) {
                  Rlog.e(LOG_TAG, "Exception", ar.exception);
              }
  
              int errorCode = IccOpenLogicalChannelResponse.STATUS_UNKNOWN_ERROR;
              if (ar.exception instanceof CommandException) {
                  CommandException.Error error =
                          ((CommandException) (ar.exception)).getCommandError();
                  if (error == CommandException.Error.MISSING_RESOURCE) {
                      errorCode = IccOpenLogicalChannelResponse.STATUS_MISSING_RESOURCE;
                  } else if (error == CommandException.Error.NO_SUCH_ELEMENT) {
                      errorCode = IccOpenLogicalChannelResponse.STATUS_NO_SUCH_ELEMENT;
                  }
              }
              openChannelResp = new IccOpenLogicalChannelResponse(
                      IccOpenLogicalChannelResponse.INVALID_CHANNEL, errorCode, null);
          }
  
          Rlog.v(LOG_TAG, "Response: " + openChannelResp);
          return openChannelResp;
      }
  }
  