/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions copyright 2012-2016 ForgeRock AS.
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*/
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package com.forgerock.opendj.cli;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import org.forgerock.i18n.LocalizableMessage;
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/**
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* Class for organizing options into logical groups when argument usage is printed. To use an argument group, create an
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* instance and use {@code ArgumentParser#addArgument(Argument, ArgumentGroup)} when adding arguments for to the parser.
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*/
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public final class ArgumentGroup implements Comparable<ArgumentGroup> {
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/** Description for this group of arguments. */
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private LocalizableMessage description;
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/** List of arguments belonging to this group. */
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private final List<Argument> args = new LinkedList<>();
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/** Governs groups position within usage statement. */
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private final Integer priority;
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/**
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* Creates a parameterized instance.
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*
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* @param description
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* for options in this group that is printed before argument descriptions in usage output
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* @param priority
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* number governing the position of this group within the usage statement. Groups with higher priority
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* values appear before groups with lower priority.
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*/
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public ArgumentGroup(final LocalizableMessage description, final int priority) {
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this.description = description;
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this.priority = priority;
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}
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@Override
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public int compareTo(final ArgumentGroup o) {
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// Groups with higher priority numbers appear before
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// those with lower priority in the usage output
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return -1 * priority.compareTo(o.priority);
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}
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/**
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* Adds an argument to this group.
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*
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* @param arg
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* to add
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* @return boolean where true indicates the add was successful
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*/
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public boolean addArgument(final Argument arg) {
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if (arg != null) {
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final Character newShort = arg.getShortIdentifier();
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final String newLong = arg.getLongIdentifier();
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// See if there is already an argument in this group that the
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// new argument should replace
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for (final Iterator<Argument> it = this.args.iterator(); it.hasNext();) {
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final Argument a = it.next();
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if ((newShort != null && newShort.equals(a.getShortIdentifier()))
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|| (newLong != null && newLong.equals(a.getLongIdentifier()))) {
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it.remove();
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break;
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}
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}
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return this.args.add(arg);
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}
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return false;
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}
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/**
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* Indicates whether this group contains any members.
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*
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* @return boolean where true means this group contains members
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*/
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boolean containsArguments() {
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return !args.isEmpty();
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}
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/**
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* Indicates whether this group contains any non-hidden members.
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*
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* @return boolean where true means this group contains non-hidden members
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*/
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boolean containsNonHiddenArguments() {
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for (final Argument arg : args) {
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if (!arg.isHidden()) {
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return true;
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}
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}
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return false;
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}
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/**
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* Gets the list of arguments associated with this group.
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*
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* @return list of associated arguments
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*/
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List<Argument> getArguments() {
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return Collections.unmodifiableList(args);
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}
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/**
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* Gets the description for this group of arguments.
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*
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* @return description for this argument group
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*/
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LocalizableMessage getDescription() {
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return this.description;
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}
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/**
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* Removes an argument from this group.
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*
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* @param arg
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* to remove
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* @return boolean where true indicates the remove was successful
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*/
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boolean removeArgument(final Argument arg) {
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return this.args.remove(arg);
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}
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/**
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* Sets the description for this group of arguments.
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*
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* @param description
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* for this argument group
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*/
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void setDescription(final LocalizableMessage description) {
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this.description = description;
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}
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@Override
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public String toString() {
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return getClass().getSimpleName() + "(description=" + description + ")";
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}
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}
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