/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.fop.fo.flow;

import org.apache.fop.apps.FOPException;

/**
 * This interface is used in conjunction with {@link MultiSwitch}
 * to implement a callback system for handling fo:multi-case elements.
 */

public interface MultiCaseHandler {

    /**
     * A filtering function used to select one or more fo:multi-case
     * elements, children of {@link MultiSwitch}.
     *
     * @param multiSwitch parent of the fo:multi-case elements to filter
     * @throws FOPException
     */
    void filter(MultiSwitch multiSwitch) throws FOPException;

}