/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Eclipse Public License version 1.0, available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.jboss.aesh.cl.completer;
import org.jboss.aesh.complete.CompleteOperation;
import org.jboss.aesh.console.command.completer.CompleterInvocation;
import org.jboss.aesh.util.FileLister;
import org.jboss.aesh.util.FileLister.Filter;
/**
* Completes {@link File} objects
*
* @author <a href="mailto:stale.pedersen@jboss.org">Ståle W. Pedersen</a>
*/
public class FileOptionCompleter implements OptionCompleter<CompleterInvocation> {
private final Filter filter;
public FileOptionCompleter() {
this(Filter.ALL);
}
public FileOptionCompleter(Filter filter) {
if (filter == null) {
throw new IllegalArgumentException("A valid filter must be informed");
}
this.filter = filter;
}
@Override
public void complete(CompleterInvocation completerData) {
CompleteOperation completeOperation =
new CompleteOperation(completerData.getAeshContext(), completerData.getGivenCompleteValue(), 0);
if (completerData.getGivenCompleteValue() == null)
new FileLister("", completerData.getAeshContext().getCurrentWorkingDirectory(), filter)
.findMatchingDirectories(completeOperation);
else
new FileLister(completerData.getGivenCompleteValue(),
completerData.getAeshContext().getCurrentWorkingDirectory(), filter)
.findMatchingDirectories(completeOperation);
if (completeOperation.getCompletionCandidates().size() > 1) {
completeOperation.removeEscapedSpacesFromCompletionCandidates();
}
completerData.setCompleterValuesTerminalString(completeOperation.getCompletionCandidates());
if (completerData.getGivenCompleteValue() != null && completerData.getCompleterValues().size() == 1) {
completerData.setAppendSpace(completeOperation.hasAppendSeparator());
}
}
public Filter getFilter() {
return filter;
}
}