| /* |
| * Copyright (C) 2022 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.net.ipsec.ike.exceptions; |
| |
| import android.annotation.NonNull; |
| import android.annotation.SuppressLint; |
| import android.net.ipsec.ike.ChildSessionCallback; |
| import android.net.ipsec.ike.IkeSessionCallback; |
| |
| import java.io.IOException; |
| import java.net.UnknownHostException; |
| import java.util.Objects; |
| |
| /** Wrapper for I/O exceptions encountered during IKE operations. */ |
| // Does not make sense to name it IkeIoException since "I" and "O" represent two words. The current |
| // name follows the convention set by Java. |
| @SuppressLint("AcronymName") |
| public final class IkeIOException extends IkeNonProtocolException { |
| /** |
| * Constructs a new exception with the specified cause. |
| * |
| * <p>Callers are not generally expected to instantiate this object themselves, except for |
| * testing. A reference is passed via {@link IkeSessionCallback} or {@link |
| * ChildSessionCallback}. |
| * |
| * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} |
| * method). |
| */ |
| public IkeIOException(@NonNull IOException cause) { |
| super(Objects.requireNonNull(cause, "cause MUST NOT be null")); |
| } |
| |
| /** |
| * Returns the cause of this IkeIOException. |
| * |
| * @return the cause of this IkeIOException. It might be a subclass of IOException that |
| * represents a specific type of I/O issue. For example, {@link UnknownHostException} and |
| * {@link IkeTimeoutException}. |
| */ |
| @Override |
| @NonNull |
| public IOException getCause() { |
| return (IOException) super.getCause(); |
| } |
| |
| /** @hide */ |
| @Override |
| public synchronized Throwable initCause(Throwable cause) { |
| throw new UnsupportedOperationException("It is not allowed to set cause with this method"); |
| } |
| } |