Commons Digester example source code file (Rules.java)

This example Commons Digester source code file (Rules.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Digester tags/keywords

deprecated, deprecated, digester, digester, list, list, rule, rules, string, string, util

The Commons Digester Rules.java source code

/* $Id: Rules.java 992060 2010-09-02 19:09:47Z simonetripodi $
 *
 * 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.commons.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.
     */
    public Digester getDigester();


    /**
     * Set the Digester instance with which this Rules instance is associated.
     *
     * @param digester The newly associated Digester instance
     */
    public void setDigester(Digester digester);


    /**
     * Return the namespace URI that will be applied to all subsequently
     * added <code>Rule objects.
     */
    public String getNamespaceURI();


    /**
     * Set the namespace URI that will be applied to all subsequently
     * added <code>Rule objects.
     *
     * @param namespaceURI Namespace URI that must match on all
     *  subsequently added rules, or <code>null for matching
     *  regardless of the current namespace URI
     */
    public void setNamespaceURI(String namespaceURI);


    // --------------------------------------------------------- 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
     */
    public void add(String pattern, Rule rule);


    /**
     * Clear all existing Rule instance registrations.
     */
    public 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 be returned
     * in the order originally registered through the <code>add()
     * method.
     *
     * @param pattern Nesting pattern to be matched
     *
     * @deprecated Call match(namespaceURI,pattern) instead.
     */
    @Deprecated
    public List<Rule> match(String pattern);


    /**
     * 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 be returned
     * in the order originally registered through the <code>add()
     * method.
     *
     * @param namespaceURI Namespace URI for which to select matching rules,
     *  or <code>null to match regardless of namespace URI
     * @param pattern Nesting pattern to be matched
     */
    public 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 be returned
     * in the order originally registered through the <code>add()
     * method.
     */
    public List<Rule> rules();


}