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Scanner.javaAPI DocGlassfish v2 API3095Fri May 04 22:30:22 BST 2007com.sun.enterprise.deployment.annotation

Scanner.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. 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 https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/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 glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
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 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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package com.sun.enterprise.deployment.annotation;

import java.util.Set;

/** 
 * This interface is responsible for scanning the binary location 
 * provided and provide each binary file through a pull interfaces
 *
 * @author Jerome Dochez
 */
public interface Scanner {
    
    /**
     * Returns a ClassLoader capable of loading classes from the 
     * underlying medium
     * @return a class loader capable of loading the classes
     */
    public ClassLoader getClassLoader();
    
    /**
     * Return a complete set of classes available from this location.
     * @return the complete set of classes 
     */
    public Set<Class> getElements();
    
    /**
     * Sometimes, annotations processing requires more than a single class, 
     * especially when such classes end up being a Java Component (Java Beans, 
     * Java EE). The implementation returned from the getComponent will be 
     * responsible for defining the complete view of this component starting 
     * from it's implementation class.
     * @param implementation class of the component.
     */
    public ComponentInfo getComponentInfo(Class componentImpl);
    
}