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package org.glassfish.jersey.server.internal.inject;

import java.util.Map;

import javax.ws.rs.CookieParam;
import javax.ws.rs.core.Cookie;
import javax.ws.rs.core.MultivaluedMap;

import javax.inject.Inject;
import javax.inject.Singleton;

import org.glassfish.jersey.internal.inject.ExtractorException;
import org.glassfish.jersey.internal.util.collection.MultivaluedStringMap;
import org.glassfish.jersey.server.ParamException;
import org.glassfish.jersey.server.model.Parameter;

import org.glassfish.hk2.api.ServiceLocator;

/**
 * Value factory provider supporting the {@link CookieParam} injection annotation.
 *
 * @author Paul Sandoz
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
@Singleton
final class CookieParamValueFactoryProvider extends AbstractValueFactoryProvider {

    /**
     * Injection resolver for {@link CookieParam} annotation.
     */
    @Singleton
    static final class InjectionResolver extends ParamInjectionResolver {

        /**
         * Create new {@link CookieParam} annotation injection resolver.
         */
        public InjectionResolver() {
            super(CookieParamValueFactoryProvider.class);
        }
    }

    private static final class CookieParamValueFactory extends AbstractContainerRequestValueFactory {

        private final MultivaluedParameterExtractor extractor;

        CookieParamValueFactory(MultivaluedParameterExtractor extractor) {
            this.extractor = extractor;
        }

        @Override
        public Object provide() {
            // TODO: cache?
            MultivaluedMap cookies = new MultivaluedStringMap();

            for (Map.Entry e : getContainerRequest().getCookies().entrySet()) {
                cookies.putSingle(e.getKey(), e.getValue().getValue());
            }

            try {
                return extractor.extract(cookies);
            } catch (ExtractorException ex) {
                throw new ParamException.CookieParamException(ex.getCause(),
                        extractor.getName(), extractor.getDefaultValueString());
            }
        }
    }

    private static final class CookieTypeParamValueFactory extends AbstractContainerRequestValueFactory {

        private final String name;

        CookieTypeParamValueFactory(String name) {
            this.name = name;
        }

        @Override
        public Cookie provide() {
            return getContainerRequest().getCookies().get(name);
        }
    }

    /**
     * {@link CookieParam} annotation value factory provider injection constructor.
     *
     * @param mpep     multivalued parameter extractor provider.
     * @param injector injector instance.
     */
    @Inject
    public CookieParamValueFactoryProvider(MultivaluedParameterExtractorProvider mpep, ServiceLocator injector) {
        super(mpep, injector, Parameter.Source.COOKIE);
    }

    @Override
    public AbstractContainerRequestValueFactory createValueFactory(Parameter parameter) {
        String parameterName = parameter.getSourceName();
        if (parameterName == null || parameterName.length() == 0) {
            // Invalid cookie parameter name
            return null;
        }

        if (parameter.getRawType() == Cookie.class) {
            return new CookieTypeParamValueFactory(parameterName);
        } else {
            MultivaluedParameterExtractor e = get(parameter);
            if (e == null) {
                return null;
            }
            return new CookieParamValueFactory(e);
        }
    }
}
    

    

    
            
    
            







    
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