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1   /* Copyright 2004 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  package org.acegisecurity.intercept.method;
17  
18  import org.acegisecurity.ConfigAttributeDefinition;
19  import org.acegisecurity.ConfigAttributeEditor;
20  
21  import org.apache.commons.logging.Log;
22  import org.apache.commons.logging.LogFactory;
23  
24  import org.springframework.beans.propertyeditors.PropertiesEditor;
25  
26  import java.beans.PropertyEditorSupport;
27  
28  import java.util.Iterator;
29  import java.util.Properties;
30  
31  
32  /***
33   * Property editor to assist with the setup of a {@link
34   * MethodDefinitionSource}.
35   * 
36   * <p>
37   * The class creates and populates a {@link MethodDefinitionMap}.
38   * </p>
39   *
40   * @author Ben Alex
41   * @version $Id: MethodDefinitionSourceEditor.java,v 1.2 2005/11/17 00:56:09 benalex Exp $
42   */
43  public class MethodDefinitionSourceEditor extends PropertyEditorSupport {
44      //~ Static fields/initializers =============================================
45  
46      private static final Log logger = LogFactory.getLog(MethodDefinitionSourceEditor.class);
47  
48      //~ Methods ================================================================
49  
50      public void setAsText(String s) throws IllegalArgumentException {
51          MethodDefinitionMap source = new MethodDefinitionMap();
52  
53          if ((s == null) || "".equals(s)) {
54              // Leave value in property editor null
55          } else {
56              // Use properties editor to tokenize the string
57              PropertiesEditor propertiesEditor = new PropertiesEditor();
58              propertiesEditor.setAsText(s);
59  
60              Properties props = (Properties) propertiesEditor.getValue();
61  
62              // Now we have properties, process each one individually
63              ConfigAttributeEditor configAttribEd = new ConfigAttributeEditor();
64  
65              for (Iterator iter = props.keySet().iterator(); iter.hasNext();) {
66                  String name = (String) iter.next();
67                  String value = props.getProperty(name);
68  
69                  // Convert value to series of security configuration attributes
70                  configAttribEd.setAsText(value);
71  
72                  ConfigAttributeDefinition attr = (ConfigAttributeDefinition) configAttribEd
73                      .getValue();
74  
75                  // Register name and attribute
76                  source.addSecureMethod(name, attr);
77              }
78          }
79  
80          setValue(source);
81      }
82  }