com.sshtools.server.vsession.commands.Catch Maven / Gradle / Ivy
package com.sshtools.server.vsession.commands;
/*-
* #%L
* Virtual Sessions
* %%
* Copyright (C) 2002 - 2024 JADAPTIVE Limited
* %%
* This program 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 3 of the
* License, or (at your option) any later version.
*
* This program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.io.IOException;
import com.sshtools.common.permissions.PermissionDeniedException;
import com.sshtools.server.vsession.CliHelper;
import com.sshtools.server.vsession.Msh;
import com.sshtools.server.vsession.ShellCommand;
import com.sshtools.server.vsession.UsageHelper;
import com.sshtools.server.vsession.VirtualConsole;
public class Catch extends Msh {
public Catch() {
super("catch", ShellCommand.SUBSYSTEM_SHELL, UsageHelper.build("catch .."),
null);
setDescription("Run a command, catching exceptions it might throw");
setBuiltIn(true);
}
public void run(String[] args, VirtualConsole console)
throws IOException, PermissionDeniedException {
setCommandFactory(console.getShell().getCommandFactory());
if (args.length < 2) {
throw new IllegalArgumentException(
"Expects at least a command name as an argument.");
} else {
try {
String[] pArgs = new String[args.length - 1];
System.arraycopy(args, 1, pArgs, 0, pArgs.length);
doSpawn(console, pArgs, false);
} catch (Exception e) {
if (CliHelper.hasShortOption(args, 'x')) {
console.print(e);
} else {
console.println(e.getMessage() == null ? e.getClass().getName() : e.getMessage());
}
if (CliHelper.hasShortOption(args, 't')) {
throw new IOException("An error occured. " + e.getMessage());
}
}
}
}
}