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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
 * Modifications:
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 * enclosed by brackets [] replaced by your own identifying information:
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package com.sun.xml.ws.model.wsdl;import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.xml.ws.api.model.wsdl.WSDLFeaturedObject;
import com.sun.xml.ws.binding.WebServiceFeatureList;

import javax.xml.stream.XMLStreamReader;
import javax.xml.ws.WebServiceFeature;

/**
 * @author Kohsuke Kawaguchi
 */
abstract class AbstractFeaturedObjectImpl extends AbstractExtensibleImpl implements WSDLFeaturedObject {
    protected WebServiceFeatureList features;

    protected AbstractFeaturedObjectImpl(XMLStreamReader xsr) {
        super(xsr);
    }
    protected AbstractFeaturedObjectImpl(String systemId, int lineNumber) {
        super(systemId, lineNumber);
    }

    public final void addFeature(WebServiceFeature feature) {
        if (features == null)
            features = new WebServiceFeatureList();

        features.add(feature);
    }

    public @NotNull WebServiceFeatureList getFeatures() {
        if(features == null)
            return new WebServiceFeatureList();
        return features;
    }

    public final WebServiceFeature getFeature(String id) {
        if (features != null) {
            for (WebServiceFeature f : features) {
                if (f.getID().equals(id))
                    return f;
            }
        }

        return null;
    }

    @Nullable
    public  F getFeature(@NotNull Class featureType) {
        if(features==null)
            return null;
        else
            return features.get(featureType);
    }
}