Quelle ServletConfig.java Sprache: 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 jakarta.servlet;

import java.util.Enumeration;

/**
* A servlet configuration object used by a servlet container to pass information to a servlet during initialization.
*/
public interface ServletConfig {

    /**
     * Returns the name of this servlet instance. The name may be provided via server administration, assigned in the
     * web application deployment descriptor, or for an unregistered (and thus unnamed) servlet instance it will be the
     * servlet's class name.
     *
     * @return the name of the servlet instance
     */
    String getServletName();

    /**
     * Returns a reference to the {@link ServletContext} in which the caller is executing.
     *
     * @return a {@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 a <code>String</code> specifying the name of the initialization parameter
     *
     * @return a <code>String</code> containing the value of the initialization parameter
     */
    String getInitParameter(String name);

    /**
     * Returns the names of the servlet's initialization parameters as an <code>Enumeration</code> of
     * <code>String</code> objects, or an empty <code>Enumeration</code> if the servlet has no initialization
     * parameters.
     *
     * @return an <code>Enumeration</code> of <code>String</code> objects containing the names of the servlet's
     *             initialization parameters
     */
    Enumeration<String> getInitParameterNames();
}

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