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  /*
   * Copyright 1999-2001,2004 The Apache Software Foundation.
   * 
   * Licensed 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.catalina.realm;
 
 
 import  org.apache.tomcat.util.digester.Digester;
 import  org.apache.tomcat.util.digester.Rule;
 import  org.apache.tomcat.util.digester.RuleSetBase;

RuleSet for recognizing the users defined in the XML file processed by MemoryRealm.

Author(s):
Craig R. McClanahan
Version:
$Revision: 1.5 $ $Date: 2004/06/26 17:41:32 $
 
 
 public class MemoryRuleSet extends RuleSetBase {
 
 
     // ----------------------------------------------------- Instance Variables
 

    
The matching pattern prefix to use for recognizing our elements.
 
     protected String prefix = null;
 
 
     // ------------------------------------------------------------ Constructor
 

    
Construct an instance of this RuleSet with the default matching pattern prefix.
 
     public MemoryRuleSet() {
 
         this("tomcat-users/");
 
     }


    
Construct an instance of this RuleSet with the specified matching pattern prefix.

Parameters:
prefix Prefix for matching pattern rules (including the trailing slash character)
 
     public MemoryRuleSet(String prefix) {
 
         super();
         this. = null;
         this. = prefix;
 
     }
 
 
     // --------------------------------------------------------- Public Methods
 

    

Add the set of Rule instances defined in this RuleSet to the specified Digester instance, associating them with our namespace URI (if any). This method should only be called by a Digester instance.

Parameters:
digester Digester instance to which the new Rule instances should be added.
 
     public void addRuleInstances(Digester digester) {
 
         digester.addRule( + "user"new MemoryUserRule());
 
     }
 
 
 }


Private class used when parsing the XML database file.
final class MemoryUserRule extends Rule {


    
Construct a new instance of this Rule.
    public MemoryUserRule() {
    }


    
Process a <user> element from the XML database file.

Parameters:
attributes The attribute list for this element
    public void begin(String namespaceString nameAttributes attributes)
        throws Exception {
        String username = attributes.getValue("name");
        if (username == null) {
            username = attributes.getValue("username");
        }
        String password = attributes.getValue("password");
        String roles = attributes.getValue("roles");
        MemoryRealm realm =
            (MemoryRealm) digester.peek(digester.getCount() - 1);
        realm.addUser(usernamepasswordroles);
    }
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