/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.requests;
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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.opends.sdk.controls.Control;
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import com.sun.opends.sdk.util.Validator;
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/**
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* Abstract 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 AbstractRequestImpl<R extends Request> implements
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Request
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{
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private final List<Control> controls = new LinkedList<Control>();
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/**
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* Creates a new abstract request implementation.
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*/
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AbstractRequestImpl()
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{
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// No implementation required.
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}
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/**
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* {@inheritDoc}
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*/
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public final R addControl(Control control)
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throws NullPointerException
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{
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Validator.ensureNotNull(control);
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controls.add(control);
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return getThis();
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}
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/**
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* {@inheritDoc}
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*/
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public final R clearControls()
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{
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controls.clear();
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return getThis();
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}
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/**
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* {@inheritDoc}
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*/
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public final Control getControl(String oid)
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{
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Validator.ensureNotNull(oid);
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// Avoid creating an iterator if possible.
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if (controls.isEmpty())
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{
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return null;
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}
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for (final Control control : controls)
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{
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if (control.getOID().equals(oid))
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{
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return control;
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}
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}
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public final Iterable<Control> getControls()
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{
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return controls;
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}
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/**
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* {@inheritDoc}
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*/
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public final boolean hasControls()
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{
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return !controls.isEmpty();
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}
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/**
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* {@inheritDoc}
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*/
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public final Control removeControl(String oid)
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throws NullPointerException
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{
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Validator.ensureNotNull(oid);
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// Avoid creating an iterator if possible.
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if (controls.isEmpty())
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{
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return null;
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}
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final Iterator<Control> iterator = controls.iterator();
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while (iterator.hasNext())
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{
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final Control control = iterator.next();
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if (control.getOID().equals(oid))
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{
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iterator.remove();
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return control;
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}
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}
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return null;
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}
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public abstract String toString();
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abstract R getThis();
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}
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