java/org/apache/jasper/compiler/tagplugin/TagPlugin.java

/*
 * 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.jasper.compiler.tagplugin;

/**
 * This interface is to be implemented by the plugin author, to supply
 * an alternate implementation of the tag handlers.  It can be used to
 * specify the Java codes to be generated when a tag is invoked.
 *
 * An implementation of this interface must be registered in a file
 * named "tagPlugins.xml" under WEB-INF.
 */

public interface TagPlugin {

    /**
     * Generate codes for a custom tag.
     * @param ctxt a TagPluginContext for accessing Jasper functions
     */
    void doTag(TagPluginContext ctxt);
}