/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.ode.utils.cli;
import java.util.ArrayList;
import java.util.List;
/**
* <p>
* A fragment implementation that picks-off the last argument on the line early.
* For example, this would be a way to grab the destination directory of a UNIX
* <code>mv</code> command.
* </p>
*/
public class LastArgument extends Argument {
public LastArgument(String argName, String description, boolean optional) {
super(argName, description, optional);
}
public List<String> consume(List<String> s) throws CommandlineSyntaxException {
// if there is only one item or there are no items, then the last item is
// the same as the first.
if (s.size() == 0 || s.size() == 1) {
return super.consume(s);
} else {
ArrayList<String> l = new ArrayList<String>(s);
String o = l.remove(l.size()-1);
l.add(0,o);
return super.consume(l);
}
}
}