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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;
@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 {
/** Get usage */
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));
}
},
/** Get implementation class name */
CLASSES {
@Override
void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
err.print(c.getImplementationClassName());
}
},
/** Get URL of implementation class */
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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