/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.shell.impl.command.system;
import org.crsh.cli.Command;
import org.crsh.cli.Usage;
import org.crsh.command.BaseCommand;
import org.crsh.command.InvocationContext;
import org.crsh.shell.impl.command.CRaSH;
import org.crsh.text.Color;
import org.crsh.text.Decoration;
import org.crsh.text.Style;
import org.crsh.text.ui.LabelElement;
import org.crsh.text.ui.TableElement;
import java.io.IOException;
import java.util.Map;
/** @author Julien Viet */
public class help extends BaseCommand {
@Usage("provides basic help")
@Command
public void main(InvocationContext<Object> context) throws Exception {
//
TableElement table = new TableElement().rightCellPadding(1);
table.row(
new LabelElement("NAME").style(Style.style(Decoration.bold)),
new LabelElement("DESCRIPTION")
);
//
CRaSH crash = (CRaSH)context.getSession().get("crash");
for (Map.Entry<String, String> command : crash.getCommands()) {
try {
String desc = command.getValue();
if (desc == null) {
desc = "";
}
table.row(
new LabelElement(command.getKey()).style(Style.style(Color.red)),
new LabelElement(desc));
} catch (Exception ignore) {
//
}
}
//
context.provide(new LabelElement("Try one of these commands with the -h or --help switch:\n"));
context.provide(table);
}
}