1/*
2 * Copyright (C) 2017 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
17package android.net.lowpan;
18
19import android.os.ServiceSpecificException;
20import android.util.AndroidException;
21
22/**
23 * <code>LowpanException</code> is thrown if an action to a LoWPAN interface could not be performed
24 * or a LoWPAN interface property could not be fetched or changed.
25 *
26 * @see LowpanInterface
27 * @hide
28 */
29// @SystemApi
30public class LowpanException extends AndroidException {
31    public LowpanException() {}
32
33    public LowpanException(String message) {
34        super(message);
35    }
36
37    public LowpanException(String message, Throwable cause) {
38        super(message, cause);
39    }
40
41    public LowpanException(Exception cause) {
42        super(cause);
43    }
44
45    /* This method returns LowpanException so that the caller
46     * can add "throw" before the invocation of this method.
47     * This might seem superfluous, but it is actually to
48     * help provide a hint to the java compiler that this
49     * function will not return.
50     */
51    static LowpanException rethrowFromServiceSpecificException(ServiceSpecificException e)
52            throws LowpanException {
53        switch (e.errorCode) {
54            case ILowpanInterface.ERROR_DISABLED:
55                throw new InterfaceDisabledException(e);
56
57            case ILowpanInterface.ERROR_WRONG_STATE:
58                throw new WrongStateException(e);
59
60            case ILowpanInterface.ERROR_CANCELED:
61                throw new OperationCanceledException(e);
62
63            case ILowpanInterface.ERROR_JOIN_FAILED_UNKNOWN:
64                throw new JoinFailedException(e);
65
66            case ILowpanInterface.ERROR_JOIN_FAILED_AT_SCAN:
67                throw new JoinFailedAtScanException(e);
68
69            case ILowpanInterface.ERROR_JOIN_FAILED_AT_AUTH:
70                throw new JoinFailedAtAuthException(e);
71
72            case ILowpanInterface.ERROR_FORM_FAILED_AT_SCAN:
73                throw new NetworkAlreadyExistsException(e);
74
75            case ILowpanInterface.ERROR_FEATURE_NOT_SUPPORTED:
76                throw new LowpanException(
77                        e.getMessage() != null ? e.getMessage() : "Feature not supported", e);
78
79            case ILowpanInterface.ERROR_NCP_PROBLEM:
80                throw new LowpanRuntimeException(
81                        e.getMessage() != null ? e.getMessage() : "NCP problem", e);
82
83            case ILowpanInterface.ERROR_INVALID_ARGUMENT:
84                throw new LowpanRuntimeException(
85                        e.getMessage() != null ? e.getMessage() : "Invalid argument", e);
86
87            case ILowpanInterface.ERROR_UNSPECIFIED:
88            default:
89                throw new LowpanRuntimeException(e);
90        }
91    }
92}
93