| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.mina.core.write; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.mina.util.MapBackedSet; |
| |
| /** |
| * An exception which is thrown when one or more write operations failed. |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class WriteException extends IOException { |
| /** The mandatory serialVersionUUID */ |
| private static final long serialVersionUID = -4174407422754524197L; |
| |
| /** The list of WriteRequest stored in this exception */ |
| private final List<WriteRequest> requests; |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param request The associated {@link WriteRequest} |
| */ |
| public WriteException(WriteRequest request) { |
| super(); |
| this.requests = asRequestList(request); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param request The associated {@link WriteRequest} |
| * @param message The detail message |
| */ |
| public WriteException(WriteRequest request, String message) { |
| super(message); |
| this.requests = asRequestList(request); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param request The associated {@link WriteRequest} |
| * @param message The detail message |
| * @param cause The Exception's cause |
| */ |
| public WriteException(WriteRequest request, String message, Throwable cause) { |
| super(message); |
| initCause(cause); |
| this.requests = asRequestList(request); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param request The associated {@link WriteRequest} |
| * @param cause The Exception's cause |
| */ |
| public WriteException(WriteRequest request, Throwable cause) { |
| initCause(cause); |
| this.requests = asRequestList(request); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param requests The collection of {@link WriteRequest}s |
| */ |
| public WriteException(Collection<WriteRequest> requests) { |
| super(); |
| this.requests = asRequestList(requests); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param requests The collection of {@link WriteRequest}s |
| * @param message The detail message |
| */ |
| public WriteException(Collection<WriteRequest> requests, String message) { |
| super(message); |
| this.requests = asRequestList(requests); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param requests The collection of {@link WriteRequest}s |
| * @param message The detail message |
| * @param cause The Exception's cause |
| */ |
| public WriteException(Collection<WriteRequest> requests, String message, Throwable cause) { |
| super(message); |
| initCause(cause); |
| this.requests = asRequestList(requests); |
| } |
| |
| /** |
| * Creates a new WriteException instance. |
| * |
| * @param requests The collection of {@link WriteRequest}s |
| * @param cause The Exception's cause |
| */ |
| public WriteException(Collection<WriteRequest> requests, Throwable cause) { |
| initCause(cause); |
| this.requests = asRequestList(requests); |
| } |
| |
| /** |
| * @return the list of the failed {@link WriteRequest}, in the order of occurrence. |
| */ |
| public List<WriteRequest> getRequests() { |
| return requests; |
| } |
| |
| /** |
| * @return the firstly failed {@link WriteRequest}. |
| */ |
| public WriteRequest getRequest() { |
| return requests.get(0); |
| } |
| |
| private static List<WriteRequest> asRequestList(Collection<WriteRequest> requests) { |
| if (requests == null) { |
| throw new IllegalArgumentException("requests"); |
| } |
| |
| if (requests.isEmpty()) { |
| throw new IllegalArgumentException("requests is empty."); |
| } |
| |
| // Create a list of requests removing duplicates. |
| Set<WriteRequest> newRequests = new MapBackedSet<>(new LinkedHashMap<WriteRequest, Boolean>()); |
| |
| for (WriteRequest r : requests) { |
| newRequests.add(r.getOriginalRequest()); |
| } |
| |
| return Collections.unmodifiableList(new ArrayList<WriteRequest>(newRequests)); |
| } |
| |
| private static List<WriteRequest> asRequestList(WriteRequest request) { |
| if (request == null) { |
| throw new IllegalArgumentException("request"); |
| } |
| |
| List<WriteRequest> requests = new ArrayList<>(1); |
| requests.add(request.getOriginalRequest()); |
| |
| return Collections.unmodifiableList(requests); |
| } |
| } |