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/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2003-2007 University of Maryland
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.umd.cs.findbugs.jaif;

/**
 * Callbacks for parsing an extenal annotation file.
 *
 * @author David Hovemeyer
 * @see Annotation
 *      File Utilities/
 */
public interface JAIFEvents {

    /**
     * Called to indicate the start of a package definition.
     *
     * @param pkgName
     *            package name
     */
    void startPackageDefinition(String pkgName);

    /**
     * Called to indicate the end of a package definition.
     *
     * @param pkgName
     */
    void endPackageDefinition(String pkgName);

    /**
     * Called to indicate the start of an annotation.
     *
     * @param annotationName
     *            annotation name
     */
    void startAnnotation(String annotationName);

    /**
     * Called to indicate the end of an annotation.
     *
     * @param annotationName
     *            annotation name
     */
    void endAnnotation(String annotationName);

    /**
     * Called to visit an annotation field.
     *
     * @param fieldName
     *            annotation field name
     * @param constant
     *            constant value of the annotation field (one of the java.lang
     *            wrapper types, or a String, or ???)
     */
    void annotationField(String fieldName, Object constant);

    /**
     * Called to indicate the start of an annotation definition.
     *
     * @param annotationName
     *            name of the annotation
     * @param retention
     *            retention: one of "visible", "invisible", or "source"
     */
    void startAnnotationDefinition(String annotationName, String retention);

    /**
     * Called to indicate the end of an annotation definition.
     *
     * @param annotationName
     *            name of the annotation
     */
    void endAnnotationDefinition(String annotationName);

    /**
     * Called to visit an annotation field definition.
     *
     * @param type
     *            type of the annotation field (in JVM signature format)
     * @param fieldName
     *            name of the annotation field
     */
    void annotationFieldDefinition(String type, String fieldName);
}