| /* |
| * 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 javax.servlet; |
| |
| import java.util.Enumeration; |
| |
| /** |
| * |
| * A filter configuration object used by a servlet container to pass information |
| * to a filter during initialization. |
| * |
| * @see Filter |
| * @since Servlet 2.3 |
| */ |
| public interface FilterConfig { |
| |
| /** |
| * Get the name of the filter. |
| * |
| * @return The filter-name of this filter as defined in the deployment |
| * descriptor. |
| */ |
| public String getFilterName(); |
| |
| /** |
| * Returns a reference to the {@link ServletContext} in which the caller is |
| * executing. |
| * |
| * @return {@link ServletContext} object, used by the caller to interact |
| * with its servlet container |
| * |
| * @see ServletContext |
| */ |
| public ServletContext getServletContext(); |
| |
| /** |
| * Returns a <code>String</code> containing the value of the named |
| * initialization parameter, or <code>null</code> if the parameter does not |
| * exist. |
| * |
| * @param name |
| * <code>String</code> specifying the name of the initialization |
| * parameter |
| * |
| * @return <code>String</code> containing the value of the initialization |
| * parameter |
| */ |
| public String getInitParameter(String name); |
| |
| /** |
| * Returns the names of the filter's initialization parameters as an |
| * <code>Enumeration</code> of <code>String</code> objects, or an empty |
| * <code>Enumeration</code> if the filter has no initialization parameters. |
| * |
| * @return <code>Enumeration</code> of <code>String</code> objects |
| * containing the names of the filter's initialization parameters |
| */ |
| public Enumeration<String> getInitParameterNames(); |
| |
| } |