edu.mayo.cts2.framework.webapp.service.ServiceUtils.java Source code

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Here is the source code for edu.mayo.cts2.framework.webapp.service.ServiceUtils.java

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/*
 * Copyright: (c) 2004-2012 Mayo Foundation for Medical Education and 
 * Research (MFMER). All rights reserved. MAYO, MAYO CLINIC, and the
 * triple-shield Mayo logo are trademarks and service marks of MFMER.
 *
 * Except as contained in the copyright notice above, or as used to identify 
 * MFMER as the author of this software, the trade names, trademarks, service
 * marks, or product names of the copyright holder shall not be used in
 * advertising, promotion or otherwise in connection with this software without
 * prior written authorization of the copyright holder.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package edu.mayo.cts2.framework.webapp.service;

import edu.mayo.cts2.framework.core.url.UrlConstructor;
import edu.mayo.cts2.framework.model.service.core.FunctionalProfileEntry;
import edu.mayo.cts2.framework.model.service.core.ProfileElement;
import edu.mayo.cts2.framework.service.profile.Cts2Profile;
import edu.mayo.cts2.framework.service.profile.FunctionalConformance;
import edu.mayo.cts2.framework.service.profile.StructuralConformance;
import org.springframework.util.Assert;

import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

/**
 * The Class ServiceUtils.
 *
 * @author <a href="mailto:kevin.peterson@mayo.edu">Kevin Peterson</a>
 */
public final class ServiceUtils {

    /**
     * Instantiates a new service utils.
     */
    private ServiceUtils() {
        super();
    }

    /**
     * Find annotations.
     *
     * @param <A> the generic type
     * @param clazz the clazz
     * @param annotationType the annotation type
     * @return the collection
     */
    public static <A extends Annotation> Collection<A> findAnnotations(Class<?> clazz, Class<A> annotationType) {
        Collection<A> returnCollection = new HashSet<A>();

        Assert.notNull(clazz, "Class must not be null");
        A annotation = clazz.getAnnotation(annotationType);
        if (annotation != null) {
            returnCollection.add(annotation);
        }

        for (Class<?> ifc : clazz.getInterfaces()) {
            Collection<A> annotations = findAnnotations(ifc, annotationType);
            if (annotations != null) {
                returnCollection.addAll(annotations);
            }
        }
        if (!Annotation.class.isAssignableFrom(clazz)) {
            for (Annotation ann : clazz.getAnnotations()) {
                Collection<A> annotations = findAnnotations(ann.annotationType(), annotationType);
                if (annotations != null) {
                    returnCollection.addAll(annotations);
                }
            }
        }
        Class<?> superClass = clazz.getSuperclass();
        if (superClass == null || superClass == Object.class) {
            return returnCollection;
        }

        returnCollection.addAll(findAnnotations(superClass, annotationType));

        return returnCollection;
    }

    public static Set<ProfileElement> buildProfileElements(Class<? extends Cts2Profile> profile,
            UrlConstructor urlConstructor) {
        Set<ProfileElement> returnSet = new HashSet<ProfileElement>();

        Collection<StructuralConformance> structuralConformances = findAnnotations(profile,
                StructuralConformance.class);

        Collection<FunctionalConformance> functionalConformances = findAnnotations(profile,
                FunctionalConformance.class);

        for (StructuralConformance structural : structuralConformances) {
            for (FunctionalConformance functional : functionalConformances) {
                ProfileElement element = new ProfileElement();

                FunctionalProfileEntry entry = new FunctionalProfileEntry();
                entry.setContent(functional.value().name());

                /* TODO: re-enable HREFS when these service pages are finished
                entry.setHref(
                urlConstructor.
                  createServiceUrl(structural.value(), functional.value()));
                */

                element.addFunctionalProfile(entry);
                element.setStructuralProfile(structural.value());

                returnSet.add(element);
            }
        }

        return returnSet;
    }

}