Home | History | Annotate | Download | only in car 
      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.car;
     18 
     19 /**
     20  * Internal helper utilities
     21  * @hide
     22  */
     23 public final class CarApiUtil {
     24 
     25     /**
     26      * CarService throws IllegalStateException with this message is re-thrown as
     27      * {@link CarNotConnectedException}.
     28      *
     29      * @hide
     30      */
     31     public static final String CAR_NOT_CONNECTED_EXCEPTION_MSG = "CarNotConnected";
     32 
     33     /**
     34      * CarService throw IllegalStateException with this message is re-thrown as
     35      * {@link CarNotSupportedException}.
     36      *
     37      * @hide
     38      */
     39     public static final String CAR_NOT_SUPPORTED_EXCEPTION_MSG = "CarNotSupported";
     40 
     41     /**
     42      * IllegalStateException from CarService with special message is re-thrown as a different
     43      * exception.
     44      *
     45      * @param e exception from CarService
     46      * @throws CarNotConnectedException
     47      * @throws CarNotSupportedException
     48      * @hide
     49      */
     50     public static void checkAllIllegalStateExceptionsFromCarService(IllegalStateException e)
     51             throws CarNotConnectedException, CarNotSupportedException {
     52         String message = e.getMessage();
     53         if (message.equals(CAR_NOT_CONNECTED_EXCEPTION_MSG)) {
     54             throw new CarNotConnectedException();
     55         } else if (message.equals(CAR_NOT_SUPPORTED_EXCEPTION_MSG)) {
     56             throw new CarNotSupportedException();
     57         } else {
     58             throw e;
     59         }
     60     }
     61 
     62     /**
     63      * Re-throw IllegalStateException from CarService with
     64      * {@link #CAR_NOT_CONNECTED_EXCEPTION_MSG} message as {@link CarNotConnectedException}.
     65      * exception.
     66      *
     67      * @param e exception from CarService
     68      * @throws CarNotConnectedException
     69      * @hide
     70      */
     71     public static void checkCarNotConnectedExceptionFromCarService(IllegalStateException e)
     72             throws CarNotConnectedException {
     73         if (e.getMessage().equals(CAR_NOT_CONNECTED_EXCEPTION_MSG)) {
     74             throw new CarNotConnectedException();
     75         } else {
     76             throw e;
     77         }
     78     }
     79 
     80     /** do not use */
     81     private CarApiUtil() {};
     82 }
     83