1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 package org.apache.jsieve; 21 22 import org.apache.jsieve.exception.LookupException; 23 24 /** 25 * <p>Maps Command names to configured Command implementation classes.</p> 26 * <h4>Thread Safety</h4> 27 * <p> 28 * Implementation dependent. {@link CommandManagerImpl} is a thread safe implementation. 29 * </p> 30 */ 31 public interface CommandManager { 32 33 /** 34 * <p>Gets an instance of a command by name.</p> 35 * 36 * @param name - 37 * The name of the Command 38 * @return command, not null 39 * @throws LookupException 40 */ 41 public ExecutableCommand getCommand(String name) throws LookupException; 42 43 /** 44 * Method isSupported answers a boolean indicating if a Command name is 45 * configured. 46 * 47 * @param name - 48 * The Command name 49 * @return boolean - True if the Command name is configured. 50 */ 51 public boolean isCommandSupported(String name); 52 }