865fdc75c3
Got rid of the exposed exception code and we now rely on subclasses of LowpanException. Also introduces a new exception: LowpanRuntimeException LowpanRuntimeException, as a subclass of AndroidRuntimeException, doesn't need explicitly delared "throws" statements for function declarations. Most Exceptions are still LowpanExceptions, but some specific error codes, such as ERROR_NCP_PROBLEM, are now using this new exception class. Bug: b/63708181 Change-Id: Idba6233ac4803d33561b5aa951c8fa846c3ab1d8
93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net.lowpan;
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import android.os.ServiceSpecificException;
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import android.util.AndroidException;
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/**
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* <code>LowpanException</code> is thrown if an action to a LoWPAN interface could not be performed
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* or a LoWPAN interface property could not be fetched or changed.
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*
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* @see LowpanInterface
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* @hide
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*/
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// @SystemApi
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public class LowpanException extends AndroidException {
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public LowpanException() {}
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public LowpanException(String message) {
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super(message);
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}
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public LowpanException(String message, Throwable cause) {
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super(message, cause);
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}
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public LowpanException(Exception cause) {
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super(cause);
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}
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/* This method returns LowpanException so that the caller
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* can add "throw" before the invocation of this method.
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* This might seem superfluous, but it is actually to
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* help provide a hint to the java compiler that this
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* function will not return.
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*/
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static LowpanException rethrowFromServiceSpecificException(ServiceSpecificException e)
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throws LowpanException {
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switch (e.errorCode) {
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case ILowpanInterface.ERROR_DISABLED:
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throw new InterfaceDisabledException(e);
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case ILowpanInterface.ERROR_WRONG_STATE:
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throw new WrongStateException(e);
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case ILowpanInterface.ERROR_CANCELED:
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throw new OperationCanceledException(e);
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case ILowpanInterface.ERROR_JOIN_FAILED_UNKNOWN:
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throw new JoinFailedException(e);
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case ILowpanInterface.ERROR_JOIN_FAILED_AT_SCAN:
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throw new JoinFailedAtScanException(e);
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case ILowpanInterface.ERROR_JOIN_FAILED_AT_AUTH:
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throw new JoinFailedAtAuthException(e);
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case ILowpanInterface.ERROR_FORM_FAILED_AT_SCAN:
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throw new NetworkAlreadyExistsException(e);
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case ILowpanInterface.ERROR_FEATURE_NOT_SUPPORTED:
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throw new LowpanException(
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e.getMessage() != null ? e.getMessage() : "Feature not supported", e);
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case ILowpanInterface.ERROR_NCP_PROBLEM:
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throw new LowpanRuntimeException(
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e.getMessage() != null ? e.getMessage() : "NCP problem", e);
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case ILowpanInterface.ERROR_INVALID_ARGUMENT:
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throw new LowpanRuntimeException(
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e.getMessage() != null ? e.getMessage() : "Invalid argument", e);
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case ILowpanInterface.ERROR_UNSPECIFIED:
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default:
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throw new LowpanRuntimeException(e);
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}
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}
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}
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