| /* |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.pgm.opt; |
| |
| import org.eclipse.jgit.pgm.CommandCatalog; |
| import org.eclipse.jgit.pgm.CommandRef; |
| import org.eclipse.jgit.pgm.TextBuiltin; |
| import org.eclipse.jgit.pgm.internal.CLIText; |
| import org.kohsuke.args4j.CmdLineException; |
| import org.kohsuke.args4j.CmdLineParser; |
| import org.kohsuke.args4j.OptionDef; |
| import org.kohsuke.args4j.spi.OptionHandler; |
| import org.kohsuke.args4j.spi.Parameters; |
| import org.kohsuke.args4j.spi.Setter; |
| |
| /** |
| * Custom Argument handler for jgit command selection. |
| * <p> |
| * Translates a single argument string to a |
| * {@link org.eclipse.jgit.pgm.TextBuiltin} instance which we can execute at |
| * runtime with the remaining arguments of the parser. |
| */ |
| public class SubcommandHandler extends OptionHandler<TextBuiltin> { |
| private final org.eclipse.jgit.pgm.opt.CmdLineParser clp; |
| |
| /** |
| * Create a new handler for the command name. |
| * <p> |
| * This constructor is used only by args4j. |
| * |
| * @param parser |
| * a {@link org.kohsuke.args4j.CmdLineParser} object. |
| * @param option |
| * a {@link org.kohsuke.args4j.OptionDef} object. |
| * @param setter |
| * a {@link org.kohsuke.args4j.spi.Setter} object. |
| */ |
| public SubcommandHandler(final CmdLineParser parser, |
| final OptionDef option, final Setter<? super TextBuiltin> setter) { |
| super(parser, option, setter); |
| clp = (org.eclipse.jgit.pgm.opt.CmdLineParser) parser; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public int parseArguments(Parameters params) throws CmdLineException { |
| final String name = params.getParameter(0); |
| final CommandRef cr = CommandCatalog.get(name); |
| if (cr == null) |
| throw new CmdLineException(clp, |
| CLIText.format(CLIText.get().notAJgitCommand), name); |
| |
| // Force option parsing to stop. Everything after us should |
| // be arguments known only to this command and must not be |
| // recognized by the current parser. |
| // |
| owner.stopOptionParsing(); |
| setter.addValue(cr.create()); |
| return 1; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getDefaultMetaVariable() { |
| return CLIText.get().metaVar_command; |
| } |
| } |