SubcommandHandler.java
- /*
- * 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;
- }
- }