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/*
* 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.tomcat.util.digester;
import java.util.List;
/**
* Public interface defining a collection of Rule instances (and corresponding matching patterns) plus an implementation
* of a matching policy that selects the rules that match a particular pattern of nested elements discovered during
* parsing.
*/
public interface Rules {
// ------------------------------------------------------------- Properties
/**
* @return the Digester instance with which this Rules instance is associated.
*/
Digester getDigester();
/**
* Set the Digester instance with which this Rules instance is associated.
*
* @param digester The newly associated Digester instance
*/
void setDigester(Digester digester);
// --------------------------------------------------------- Public Methods
/**
* Register a new Rule instance matching the specified pattern.
*
* @param pattern Nesting pattern to be matched for this Rule
* @param rule Rule instance to be registered
*/
void add(String pattern, Rule rule);
/**
* Clear all existing Rule instance registrations.
*/
void clear();
/**
* Return a List of all registered Rule instances that match the specified nesting pattern, or a zero-length List if
* there are no matches. If more than one Rule instance matches, they <strong>must</strong> be returned in the order
* originally registered through the <code>add()</code> method.
*
* @param namespaceURI Namespace URI for which to select matching rules, or <code>null</code> to match regardless of
* namespace URI
* @param pattern Nesting pattern to be matched
*
* @return a rules list
*/
List<Rule> match(String namespaceURI, String pattern);
/**
* Return a List of all registered Rule instances, or a zero-length List if there are no registered Rule instances.
* If more than one Rule instance has been registered, they <strong>must</strong> be returned in the order
* originally registered through the <code>add()</code> method.
*
* @return a rules list
*/
List<Rule> rules();
}
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