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package com.sun.jersey.server.impl.inject;

import com.sun.jersey.api.model.Parameter;
import com.sun.jersey.core.spi.component.AnnotatedContext;
import com.sun.jersey.core.spi.component.ComponentContext;
import com.sun.jersey.core.spi.component.ComponentScope;
import com.sun.jersey.core.spi.factory.InjectableProviderFactory;
import com.sun.jersey.spi.inject.Injectable;
import java.lang.reflect.AccessibleObject;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author [email protected]
 */
public final class ServerInjectableProviderFactory extends InjectableProviderFactory
            implements ServerInjectableProviderContext {

    @Override
    public boolean isParameterTypeRegistered(Parameter p) {
        if (p.getAnnotation() == null) return false;

        if (isAnnotationRegistered(p.getAnnotation().annotationType(), p.getClass())) return true;

        return isAnnotationRegistered(p.getAnnotation().annotationType(), p.getParameterType().getClass());
    }

    @Override
    public InjectableScopePair getInjectableiWithScope(Parameter p, ComponentScope s) {
        return getInjectableiWithScope(null, p, s);
    }

    @Override
    public InjectableScopePair getInjectableiWithScope(AccessibleObject ao, Parameter p, ComponentScope s) {
        if (p.getAnnotation() == null) return null;

        ComponentContext ic = new AnnotatedContext(ao, p.getAnnotations());

        if (s == ComponentScope.PerRequest) {
            // Find a per request injectable with Parameter
            Injectable i = getInjectable(
                    p.getAnnotation().annotationType(),
                    ic,
                    p.getAnnotation(),
                    p,
                    ComponentScope.PerRequest);
            if (i != null) return new InjectableScopePair(i, ComponentScope.PerRequest);

            // Find a per request, undefined or singleton injectable with parameter Type
            return getInjectableWithScope(
                    p.getAnnotation().annotationType(),
                    ic,
                    p.getAnnotation(),
                    p.getParameterType(),
                    ComponentScope.PERREQUEST_UNDEFINED_SINGLETON
                    );
        } else {
            // Find a undefined or singleton injectable with parameter Type
            return getInjectableWithScope(
                    p.getAnnotation().annotationType(),
                    ic,
                    p.getAnnotation(),
                    p.getParameterType(),
                    ComponentScope.UNDEFINED_SINGLETON
                    );
        }
    }

    @Override
    public Injectable getInjectable(Parameter p, ComponentScope s) {
        return getInjectable(null, p, s);
    }

    @Override
    public Injectable getInjectable(AccessibleObject ao, Parameter p, ComponentScope s) {
        InjectableScopePair isp = getInjectableiWithScope(ao, p, s);
        if (isp == null)
            return null;
        return isp.i;
    }

    @Override
    public List getInjectable(List ps, ComponentScope s) {
        return getInjectable(null, ps, s);
    }

    @Override
    public List getInjectable(AccessibleObject ao, List ps, ComponentScope s) {
        List is = new ArrayList();
        for (Parameter p : ps)
            is.add(getInjectable(ao, p, s));
        return is;
    }
}