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Datei:
FilterConfig.java
Sprache: Unknown
/*
* 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 jakarta.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.
*/
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
*/
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
*/
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
*/
Enumeration<String> getInitParameterNames();
}
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