| /* |
| * 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.Collections; |
| import java.util.List; |
| |
| /** |
| * <p> |
| * A multiple argument commandline fragment that greedily consumes what's left on |
| * the commandline as arguments. |
| * </p> |
| */ |
| public class MultiArgument implements CommandlineFragment { |
| |
| private String _argName; |
| private String _description; |
| private String[] _values; |
| private boolean _isOptional; |
| |
| |
| public MultiArgument(String argName, String description, boolean optional) { |
| _argName = argName; |
| _description = description; |
| _isOptional = optional; |
| } |
| |
| public void reset() { |
| _values = null; |
| } |
| |
| public List<String> consume(List<String> s) throws CommandlineSyntaxException { |
| if(s.size() == 0 && !_isOptional) { |
| throw new CommandlineSyntaxException("The " + _argName + " argument is required."); |
| } |
| if (s.size() != 0) { |
| _values = s.toArray(new String[s.size()]); |
| for (int i=0; i < _values.length; ++i) { |
| if (_values[i].startsWith(COMMAND_PREFIX)) { |
| throw new CommandlineSyntaxException("The flag " + _values[i] + |
| " was found where an argument <" + _argName + "> was expected."); |
| } |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| public boolean isOptional() { |
| return _isOptional; |
| } |
| |
| public boolean isSet() { |
| return _values != null; |
| } |
| |
| public String[] getValues() { |
| return _values; |
| } |
| |
| public String getUsage() { |
| return "<" + _argName + "_1> ... <" + _argName + "_n>"; |
| } |
| |
| public String getDescription() { |
| return _description; |
| } |
| } |