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Groovy example source code file (AliasCommand.groovy)
The Groovy AliasCommand.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.commands import org.codehaus.groovy.tools.shell.CommandSupport import org.codehaus.groovy.tools.shell.Shell /** * The 'alias' command. * * @version $Id: AliasCommand.groovy 17536 2009-09-04 01:42:05Z glaforge $ * @author <a href="mailto:jason@planet57.com">Jason Dillon */ class AliasCommand extends CommandSupport { AliasCommand(final Shell shell) { super(shell, 'alias', '\\a') } Object execute(final List args) { assert args != null if (args.size() < 2) { fail("Command 'alias' requires at least 2 arguments") // TODO: i18n } String name = args[0] List target = args[1..-1] def command = registry[name] if (command) { if (command instanceof AliasTargetProxyCommand) { log.debug("Rebinding alias: $name") registry.remove(command) } else { fail("Can not rebind non-user aliased command: ${command.name}") // TODO: i18n } } log.debug("Creating alias '$name' to: $target") // Register the command command = shell << new AliasTargetProxyCommand(shell, name, target) // // TODO: Should this be here... or should this be in the Shell's impl? // // Try to install the completor if (shell.runner) { shell.runner.completor << command } } } class AliasTargetProxyCommand extends CommandSupport { private static int counter = 0 final List args AliasTargetProxyCommand(final Shell shell, final String name, final List args) { super(shell, name, '\\a' + counter++) assert args this.args = args } String getDescription() { return "User defined alias to: @|bold ${args.join(' ')}|@" } String getUsage() { return '' } String getHelp() { return description } Object execute(List args) { args = this.args + args log.debug("Executing with args: $args") // // FIXME: Should go back through shell.execute() to allow aliases to groovy snips too // return shell.executeCommand(args.join(' ')) } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy AliasCommand.groovy source code file: |
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