https://tomcat.apache.org/: Tomcat Core Logging Package 
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 * 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
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 */
package org.apache.juli;


An interface intended for use by class loaders associated with a web application that enables them to provide additional information to JULI about the web application with which they are associated. For any web application the combination of getWebappName(), getHostName() and getServiceName() must be unique. 
/**
 * An interface intended for use by class loaders associated with a web
 * application that enables them to provide additional information to JULI about
 * the web application with which they are associated. For any web application
 * the combination of {@link #getWebappName()}, {@link #getHostName()} and
 * {@link #getServiceName()} must be unique.
 */
public interface WebappProperties {

    
Returns a name for the logging system to use for the web application, if
any, associated with the class loader.

Returns:The name to use for the web application or null if none is
        available.
/**
     * Returns a name for the logging system to use for the web application, if
     * any, associated with the class loader.
     *
     * @return The name to use for the web application or null if none is
     *         available.
     */
    String getWebappName();

    
Returns a name for the logging system to use for the Host where the
web application, if any, associated with the class loader is deployed.

Returns:The name to use for the Host where the web application is
deployed or null if none is available.
/**
     * Returns a name for the logging system to use for the Host where the
     * web application, if any, associated with the class loader is deployed.
     *
     * @return The name to use for the Host where the web application is
     * deployed or null if none is available.
     */
    String getHostName();

    
Returns a name for the logging system to use for the Service where the
Host, if any, associated with the class loader is deployed.

Returns:The name to use for the Service where the Host is deployed or
null if none is available.
/**
     * Returns a name for the logging system to use for the Service where the
     * Host, if any, associated with the class loader is deployed.
     *
     * @return The name to use for the Service where the Host is deployed or
     * null if none is available.
     */
    String getServiceName();

    
Enables JULI to determine if the web application includes a local
configuration without JULI having to look for the file which it may not
have permission to do when running under a SecurityManager.

Returns:true if the web application includes a logging configuration at the standard location of /WEB-INF/classes/logging.properties.
/**
     * Enables JULI to determine if the web application includes a local
     * configuration without JULI having to look for the file which it may not
     * have permission to do when running under a SecurityManager.
     *
     * @return {@code true} if the web application includes a logging
     *         configuration at the standard location of
     *         /WEB-INF/classes/logging.properties.
     */
    boolean hasLoggingConfig();
}