| /* |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.pgm.opt; |
| |
| import java.text.MessageFormat; |
| |
| 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; |
| import org.eclipse.jgit.pgm.CLIText; |
| import org.eclipse.jgit.pgm.CommandCatalog; |
| import org.eclipse.jgit.pgm.CommandRef; |
| import org.eclipse.jgit.pgm.TextBuiltin; |
| |
| /** |
| * Custom Argument handler for jgit command selection. |
| * <p> |
| * Translates a single argument string to a {@link TextBuiltin} instance which |
| * we can execute at runtime with the remaining arguments of the parser. |
| */ |
| public class SubcommandHandler extends OptionHandler<TextBuiltin> { |
| /** |
| * Create a new handler for the command name. |
| * <p> |
| * This constructor is used only by args4j. |
| * |
| * @param parser |
| * @param option |
| * @param setter |
| */ |
| public SubcommandHandler(final CmdLineParser parser, |
| final OptionDef option, final Setter<? super TextBuiltin> setter) { |
| super(parser, option, setter); |
| } |
| |
| @Override |
| public int parseArguments(final Parameters params) throws CmdLineException { |
| final String name = params.getParameter(0); |
| final CommandRef cr = CommandCatalog.get(name); |
| if (cr == null) |
| throw new CmdLineException(MessageFormat.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; |
| } |
| |
| @Override |
| public String getDefaultMetaVariable() { |
| return CLIText.get().metaVar_command; |
| } |
| } |