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Groovy example source code file (CommandRegistry.groovy)
The Groovy CommandRegistry.groovy source code/* * Copyright 2003-2007 the original author or authors. * * 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 org.codehaus.groovy.tools.shell import org.codehaus.groovy.tools.shell.util.Logger /** * A registry of shell {@link Command} instances which may be executed. * * @version $Id: CommandRegistry.groovy 7581 2007-08-23 01:47:47Z user57 $ * @author <a href="mailto:jason@planet57.com">Jason Dillon */ class CommandRegistry { protected final Logger log = Logger.create(CommandRegistry.class) // // TODO: Hook up support so one can for (command in registry) { } // /** A list of all of the registered commands. */ final List commands = [] /** A set of all of the command names and shortcuts to ensure they are unique. */ private final Set names = new TreeSet() Command register(final Command command) { assert command // Make sure that the command name and shortcut are unique assert !names.contains(command.name) : "Duplicate comamnd name: $command.name" names << command.name assert !names.contains(command.shortcut) : "Duplicate command shortcut: $command.shortcut" names << command.shortcut // Hold on to the command in order commands << command // Hookup context for alias commands command.registry = this // Add any standard aliases for the command if any command.aliases?.each { this << it } if (log.debugEnabled) { log.debug("Registered command: $command.name") } return command } def leftShift(final Command command) { return register(command) } Command find(final String name) { assert name for (c in commands) { if (name in [ c.name, c.shortcut ]) { return c } } return null } void remove(final Command command) { assert command commands.remove(command) names.remove(command.name) names.remove(command.shortcut) if (log.debugEnabled) { log.debug("Removed command: $command.name") } } List commands() { return commands } def getProperty(final String name) { return find(name) } Iterator iterator() { return commands().iterator() } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy CommandRegistry.groovy source code file: |
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