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/*
 * Fabric3
 * Copyright (c) 2009-2015 Metaform Systems
 *
 * 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 org.fabric3.spi.contribution;

import java.net.URL;

import org.fabric3.spi.introspection.IntrospectionContext;

/**
 * Introspects a Java class and determines if it is a contribution resource, e.g. an annotated component or model provider class.
 */
public interface JavaArtifactIntrospector {

    /**
     * Introspects the class and determines if it is a contribution resource.
     *
     * @param clazz        the class
     * @param url          the URL for the class bytecode
     * @param contribution the containing contribution
     * @param context      the introspection context
     * @return a resource or null if the class is not a resource
     */
    Resource inspect(Class clazz, URL url, Contribution contribution, IntrospectionContext context);

}