ajaxfiltermanager.java

Ajax 框架,可以用来做数型菜单或者联动下拉列表

/*
 * Copyright 2005 Joe Walker
 *
 * 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.directwebremoting;

import java.util.Iterator;

/**
 * A class that manages the various <code>AjaxFilter</code>s and what classes
 * they are registered against.
 * @author Joe Walker [joe at getahead dot ltd dot uk]
 */
public interface AjaxFilterManager
{
    /**
     * Retrieve the global and class-based AjaxFilters for a given class.
     * @param scriptname The scriptname to use to filter the class-based filters
     * @return An iterator over the available filters.
     */
    Iterator getAjaxFilters(String scriptname);

    /**
     * Add a global AjaxFilter
     * @param filter The new global AjaxFilter
     */
    void addAjaxFilter(AjaxFilter filter);

    /**
     * Add a class based AjaxFilter
     * @param filter The new AjaxFilter
     * @param scriptname The scriptname to filter against
     */
    void addAjaxFilter(AjaxFilter filter, String scriptname);
}