org.unix4j.unix.xargs.XargsCommand Maven / Gradle / Ivy
package org.unix4j.unix.xargs;
import org.unix4j.command.AbstractCommand;
import org.unix4j.command.Command;
import org.unix4j.context.ExecutionContext;
import org.unix4j.processor.LineProcessor;
import org.unix4j.unix.Echo;
import org.unix4j.unix.Xargs;
import org.unix4j.variable.Arg;
/**
* Implementation of the {@link Xargs xargs} command.
*/
class XargsCommand extends AbstractCommand {
private final Command invokedCommand;
public XargsCommand(XargsArguments arguments) {
this(arguments, null);
}
protected XargsCommand(XargsArguments arguments, Command invokedCommand) {
super(Xargs.NAME, arguments);
this.invokedCommand = invokedCommand;
}
protected Command getInvokedCommand() {
return invokedCommand == null ? Echo.Factory.echo(Arg.$all) : invokedCommand;
}
@Override
public Command join(Command next) {
return invokedCommand == null ? new XargsCommand(getArguments(null), next) : super.join(next);
}
@Override
public LineProcessor execute(ExecutionContext context, LineProcessor output) {
return new XargsLineProcessor(this, context, output);
}
@Override
public String toString() {
return super.toString() + " " + invokedCommand;
}
}