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Implemented command line option groups
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93 changes: 93 additions & 0 deletions
93
src/main/java/de/undercouch/citeproc/helper/tool/OptionGroup.java
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| // Copyright 2013 Michel Kraemer | ||
| // | ||
| // Licensed 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. | ||
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| package de.undercouch.citeproc.helper.tool; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| /** | ||
| * A group of command line options | ||
| * @author Michel Kraemer | ||
| * @param <T> identifier type | ||
| */ | ||
| public class OptionGroup<T> { | ||
| private final String name; | ||
| private final List<Option<T>> options = new ArrayList<Option<T>>(); | ||
| private final List<OptionGroup<T>> children = new ArrayList<OptionGroup<T>>(); | ||
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| /** | ||
| * Creates a new option group with no name | ||
| */ | ||
| public OptionGroup() { | ||
| this.name = ""; | ||
| } | ||
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| /** | ||
| * Creates a new option group | ||
| * @param name the group's name | ||
| */ | ||
| public OptionGroup(String name) { | ||
| this.name = name; | ||
| } | ||
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| /** | ||
| * @return the group's name | ||
| */ | ||
| public String getName() { | ||
| return name; | ||
| } | ||
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| /** | ||
| * @return the options in this group | ||
| */ | ||
| public List<Option<T>> getOptions() { | ||
| return options; | ||
| } | ||
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| /** | ||
| * @return a flat list of options in this group and all options from all children | ||
| */ | ||
| public List<Option<T>> getFlatOptions() { | ||
| List<Option<T>> result = new ArrayList<Option<T>>(); | ||
| result.addAll(getOptions()); | ||
| for (OptionGroup<T> g : getChildren()) { | ||
| result.addAll(g.getFlatOptions()); | ||
| } | ||
| return result; | ||
| } | ||
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| /** | ||
| * @return the group's children | ||
| */ | ||
| public List<OptionGroup<T>> getChildren() { | ||
| return children; | ||
| } | ||
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| /** | ||
| * Adds an option to this group | ||
| * @param o the option to add | ||
| */ | ||
| public void addOption(Option<T> o) { | ||
| options.add(o); | ||
| } | ||
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| /** | ||
| * Adds a child to this group | ||
| * @param c the child to add | ||
| */ | ||
| public void addChild(OptionGroup<T> c) { | ||
| children.add(c); | ||
| } | ||
| } |
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