/*
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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 2010 Sun Microsystems, Inc.
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* Portions copyright 2012-2013 ForgeRock AS.
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*/
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package org.forgerock.opendj.ldap.requests;
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import java.util.Collections;
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import java.util.List;
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import org.forgerock.opendj.ldap.DecodeException;
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import org.forgerock.opendj.ldap.DecodeOptions;
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import org.forgerock.opendj.ldap.Function;
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import org.forgerock.opendj.ldap.Functions;
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import org.forgerock.opendj.ldap.controls.Control;
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import org.forgerock.opendj.ldap.controls.ControlDecoder;
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import org.forgerock.opendj.ldap.controls.GenericControl;
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import com.forgerock.opendj.util.Collections2;
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import com.forgerock.opendj.util.Validator;
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/**
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* Unmodifiable request implementation.
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*
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* @param <R>
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* The type of request.
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*/
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abstract class AbstractUnmodifiableRequest<R extends Request> implements Request {
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protected final R impl;
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AbstractUnmodifiableRequest(final R impl) {
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this.impl = impl;
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}
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@Override
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public final R addControl(final Control control) {
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throw new UnsupportedOperationException();
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}
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@Override
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public boolean containsControl(final String oid) {
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return impl.containsControl(oid);
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}
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@Override
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public final <C extends Control> C getControl(final ControlDecoder<C> decoder,
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final DecodeOptions options) throws DecodeException {
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Validator.ensureNotNull(decoder, options);
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final List<Control> controls = impl.getControls();
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final Control control = AbstractRequestImpl.getControl(controls, decoder.getOID());
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if (control != null) {
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// Got a match. Return a defensive copy only if necessary.
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final C decodedControl = decoder.decodeControl(control, options);
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if (decodedControl != control) {
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// This was not the original control so return it
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// immediately.
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return decodedControl;
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} else if (decodedControl instanceof GenericControl) {
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// Generic controls are immutable, so return it immediately.
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return decodedControl;
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} else {
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// Re-decode to get defensive copy.
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final GenericControl genericControl = GenericControl.newControl(control);
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return decoder.decodeControl(genericControl, options);
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}
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} else {
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return null;
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}
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}
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@Override
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public final List<Control> getControls() {
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// We need to make all controls unmodifiable as well, which implies
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// making defensive copies where necessary.
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final Function<Control, Control, Void> function = new Function<Control, Control, Void>() {
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@Override
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public Control apply(final Control value, final Void p) {
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// Return defensive copy.
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return GenericControl.newControl(value);
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}
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};
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final List<Control> unmodifiableControls =
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Collections2.transformedList(impl.getControls(), function, Functions
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.<Control> identityFunction());
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return Collections.unmodifiableList(unmodifiableControls);
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}
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@Override
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public final String toString() {
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return impl.toString();
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}
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}
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