package org.infinispan.cli.commands.client;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.TreeSet;
import org.infinispan.cli.Context;
import org.infinispan.cli.commands.AbstractCommand;
import org.infinispan.cli.commands.Command;
import org.infinispan.cli.commands.ProcessedCommand;
import org.infinispan.cli.shell.Completer;
import org.infinispan.cli.shell.Man2Ansi;
public class Help extends AbstractCommand {
@Override
public String getName() {
return "help";
}
@Override
public boolean isAvailable(Context context) {
return true;
}
@Override
public void execute(Context context, ProcessedCommand commandLine) {
switch (commandLine.getArguments().size()) {
case 0:
TreeSet<String> commandNames = new TreeSet<String>(context.getCommandRegistry().getCommandNames());
for (String name : commandNames) {
context.println(name);
}
break;
case 1:
String name = commandLine.getArguments().get(0).getValue();
Command command = context.getCommandRegistry().getCommand(name);
if (command == null) {
context.println("No such command '" + name + "'");
} else {
InputStream is = Thread.currentThread().getContextClassLoader()
.getResourceAsStream("help/" + name + ".txt");
if (is == null) {
context.println("No help available for command '" + name + "'");
} else {
try {
Man2Ansi man2ansi = new Man2Ansi(context.getOutputAdapter().getWidth() - 8);
context.println(man2ansi.render(is));
is.close();
} catch (IOException e) {
}
}
}
break;
default:
break;
}
}
@Override
public void complete(Context context, ProcessedCommand procCmd, List<String> candidates) {
Completer.addPrefixMatches(procCmd.getCurrentArgument(), context.getCommandRegistry().getCommandNames(), candidates);
}
}