/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2008 Sun Microsystems, Inc.
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* Portions Copyright 2014 ForgeRock AS
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*/
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package org.opends.server.util.args;
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import org.forgerock.i18n.LocalizableMessage;
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import java.util.List;
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import java.util.LinkedList;
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import java.util.Collections;
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import java.util.Iterator;
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/**
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* Class for organizing options into logical groups when arguement
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* usage is printed. To use an argument group, create an instance
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* and use {@link org.opends.server.util.args.ArgumentParser
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* #addArgument(Argument, ArgumentGroup)} when adding arguments for
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* to the parser.
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*/
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public class ArgumentGroup implements Comparable<ArgumentGroup> {
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// Description for this group of arguments
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private LocalizableMessage description = null;
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// List of arguments belonging to this group
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private List<Argument> args = null;
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// Governs groups position within usage statement
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private Integer priority;
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/**
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* Creates a parameterized instance.
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*
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* @param description for options in this group that is printed before
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* argument descriptions in usage output
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* @param priority number governing the position of this group within
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* the usage statement. Groups with higher priority values appear
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* before groups with lower priority.
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*/
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public ArgumentGroup(LocalizableMessage description, int priority) {
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this.description = description;
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this.priority = priority;
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this.args = new LinkedList<Argument>();
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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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public LocalizableMessage getDescription() {
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return this.description;
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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 for this argument group
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*/
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public void setDescription(LocalizableMessage description) {
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this.description = description;
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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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* {@inheritDoc}
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*/
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public int compareTo(ArgumentGroup o)
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{
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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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* 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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{
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return this.args.size() > 0;
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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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{
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for (Argument arg : args)
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{
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if (!arg.isHidden())
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{
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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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* Adds an argument to this group.
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*
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* @param arg to add
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* @return boolean where true indicates the add was successful
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*/
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boolean addArgument(Argument arg) {
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boolean success = false;
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if (arg != null) {
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Character newShort = arg.getShortIdentifier();
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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 (Iterator<Argument> it = this.args.iterator(); it.hasNext();)
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{
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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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success = this.args.add(arg);
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}
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return success;
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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 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(Argument arg) {
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return this.args.remove(arg);
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}
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}
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