/*
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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 2014 ForgeRock AS
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*/
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package org.opends.server.backends.pluggable.spi;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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/** Assumes name components don't contain a '/'. */
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public final class TreeName
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{
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public static TreeName of(final String... names)
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{
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return new TreeName(Arrays.asList(names));
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}
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private final List<String> names;
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private final String s;
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public TreeName(final List<String> names)
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{
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this.names = names;
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final StringBuilder builder = new StringBuilder();
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for (final String name : names)
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{
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builder.append('/');
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builder.append(name);
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}
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this.s = builder.toString();
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}
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public List<String> getNames()
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{
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return names;
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}
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public TreeName child(final String name)
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{
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final List<String> newNames = new ArrayList<String>(names.size() + 1);
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newNames.addAll(names);
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newNames.add(name);
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return new TreeName(newNames);
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}
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public TreeName getSuffix()
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{
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if (names.size() == 0)
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{
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throw new IllegalStateException();
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}
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return new TreeName(Collections.singletonList(names.get(0)));
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}
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public TreeName replaceSuffix(TreeName newSuffix)
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{
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if (names.size() == 0)
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{
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throw new IllegalStateException();
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}
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final ArrayList<String> newNames = new ArrayList<String>(names);
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newNames.set(0, newSuffix.names.get(0));
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return new TreeName(newNames);
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}
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public boolean isSuffixOf(TreeName treeName)
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{
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if (names.size() > treeName.names.size())
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{
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return false;
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}
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for (int i = 0; i < names.size(); i++)
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{
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if (!treeName.names.get(i).equals(names.get(i)))
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{
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return false;
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}
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}
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return true;
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}
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public TreeName getIndex()
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{
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if (names.size() == 1)
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{
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return null;
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}
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return new TreeName(names.subList(1, names.size()));
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}
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@Override
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public boolean equals(final Object obj)
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{
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if (this == obj)
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{
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return true;
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}
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else if (obj instanceof TreeName)
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{
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return s.equals(((TreeName) obj).s);
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}
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else
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{
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return false;
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}
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}
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@Override
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public int hashCode()
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{
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return s.hashCode();
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}
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@Override
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public String toString()
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{
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return s;
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}
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}
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