| /* |
| 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.wiki.api.plugin; |
| |
| import org.apache.wiki.api.core.Context; |
| import org.apache.wiki.api.exceptions.PluginException; |
| |
| import java.util.Map; |
| |
| |
| /** |
| * Exposes the contents of a plugin in a WikiDocument DOM tree. |
| */ |
| public interface PluginElement { |
| |
| /** |
| * Returns the name of the plugin invoked by the DOM element. |
| * |
| * @return Name of the plugin |
| * @since 2.5.7 |
| */ |
| String getPluginName(); |
| |
| /** |
| * Returns a parameter value from the parameter map. |
| * |
| * @param name the name of the parameter. |
| * @return The value from the map, or null, if no such parameter exists. |
| */ |
| String getParameter( String name); |
| |
| /** |
| * Returns the parameter map given in the constructor. |
| * |
| * @return The parameter map. |
| */ |
| Map< String, String > getParameters(); |
| |
| /** |
| * Returns the rendered plugin. Only calls getText(). |
| * |
| * @return HTML |
| */ |
| String getValue(); |
| |
| /** |
| * The main invocation for the plugin. When the getText() is called, it invokes the plugin and returns its contents. If there is |
| * no Document yet, only returns the plugin name itself. |
| * |
| * @return The plugin rendered according to the options set in the WikiContext. |
| */ |
| String getText(); |
| |
| /** |
| * Performs plugin invocation and return its contents. |
| * |
| * @param context WikiContext in which the plugin is executed. Must NOT be null. |
| * @return plugin contents. |
| */ |
| String invoke( Context context ); |
| |
| /** |
| * Executes the executeParse() method. |
| * |
| * @param context The WikiContext |
| * @throws PluginException If something goes wrong. |
| */ |
| void executeParse( Context context ) throws PluginException; |
| |
| } |