1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.core5.http.nio.command; 29 30 import org.apache.hc.core5.annotation.Internal; 31 import org.apache.hc.core5.http.RequestNotExecutedException; 32 import org.apache.hc.core5.reactor.Command; 33 import org.apache.hc.core5.reactor.IOSession; 34 import org.apache.hc.core5.util.Args; 35 36 /** 37 * {@link Command} utility methods. 38 * 39 * @since 5.0 40 */ 41 @Internal 42 public final class CommandSupport { 43 44 /** 45 * Fails all pending session {@link Command}s. 46 */ 47 static public void failCommands(final IOSession ioSession, final Exception ex) { 48 Args.notNull(ioSession, "I/O session"); 49 Command command; 50 while ((command = ioSession.poll()) != null) { 51 if (command instanceof ExecutableCommand) { 52 ((ExecutableCommand) command).failed(ex); 53 } else { 54 command.cancel(); 55 } 56 } 57 } 58 59 /** 60 * Cancels all pending session {@link Command}s. 61 */ 62 static public void cancelCommands(final IOSession ioSession) { 63 Args.notNull(ioSession, "I/O session"); 64 Command command; 65 while ((command = ioSession.poll()) != null) { 66 if (command instanceof ExecutableCommand) { 67 if (!ioSession.isOpen()) { 68 ((ExecutableCommand) command).failed(new RequestNotExecutedException()); 69 } else { 70 command.cancel(); 71 } 72 } else { 73 command.cancel(); 74 } 75 } 76 } 77 78 }