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- /*
- * 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.debug;
-
- import java.io.IOException;
- import java.net.URL;
-
- import org.eclipse.jgit.pgm.Command;
- 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.eclipse.jgit.util.io.ThrowingPrintWriter;
- import org.kohsuke.args4j.Option;
-
- @Command(usage = "usage_displayAListOfAllRegisteredJgitCommands")
- class ShowCommands extends TextBuiltin {
- @Option(name = "--pretty", metaVar = "metaVar_commandDetail", usage = "usage_alterTheDetailShown")
- private Format pretty = Format.USAGE;
-
- /** {@inheritDoc} */
- @Override
- protected void run() throws Exception {
- final CommandRef[] list = CommandCatalog.all();
-
- int width = 0;
- for (CommandRef c : list)
- width = Math.max(width, c.getName().length());
- width += 2;
-
- for (CommandRef c : list) {
- errw.print(c.isCommon() ? '*' : ' ');
- errw.print(' ');
-
- errw.print(c.getName());
- for (int i = c.getName().length(); i < width; i++)
- errw.print(' ');
-
- pretty.print(errw, c);
- errw.println();
- }
- errw.println();
- }
-
- enum Format {
- /** */
- USAGE {
- @Override
- void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
- String usage = c.getUsage();
- if (usage != null && usage.length() > 0)
- err.print(CLIText.get().resourceBundle().getString(usage));
- }
- },
-
- /** */
- CLASSES {
- @Override
- void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
- err.print(c.getImplementationClassName());
- }
- },
-
- /** */
- URLS {
- @Override
- void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
- final ClassLoader ldr = c.getImplementationClassLoader();
-
- String cn = c.getImplementationClassName();
- cn = cn.replace('.', '/') + ".class"; //$NON-NLS-1$
-
- final URL url = ldr.getResource(cn);
- if (url == null) {
- err.print(CLIText.get().notFound);
- return;
- }
-
- String rn = url.toExternalForm();
- if (rn.endsWith(cn))
- rn = rn.substring(0, rn.length() - cn.length());
-
- err.print(rn);
- }
- };
-
- abstract void print(ThrowingPrintWriter err, CommandRef c) throws IOException;
- }
- }
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