/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * 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.acegisecurity.intercept.method;

 import org.apache.commons.logging.Log;

 import org.apache.commons.logging.LogFactory;

 import org.springframework.beans.propertyeditors.PropertiesEditor;

 import org.springframework.util.StringUtils;

 import java.beans.PropertyEditorSupport;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Properties;

 /**

  * Property editor to assist with the setup of a {@link MethodDefinitionSource}.

  * <p>The class creates and populates a {@link MethodDefinitionMap}.</p>

  *

  * @author Ben Alex

  * @version $Id: MethodDefinitionSourceEditor.java 1784 2007-02-24 21:00:24Z luke_t $

  */

 public class MethodDefinitionSourceEditor extends PropertyEditorSupport {

     //~ Static fields/initializers =====================================================================================

     private static final Log logger = LogFactory.getLog(MethodDefinitionSourceEditor.class);

     //~ Methods ========================================================================================================

     public void setAsText(String s) throws IllegalArgumentException {

         MethodDefinitionMap source = new MethodDefinitionMap();

         if ((s == null) || "".equals(s)) {

             // Leave value in property editor null

         } else {

             // Use properties editor to tokenize the string

             PropertiesEditor propertiesEditor = new PropertiesEditor();

             propertiesEditor.setAsText(s);

             Properties props = (Properties) propertiesEditor.getValue();

             // Now we have properties, process each one individually

             List mappings = new ArrayList();

             for (Iterator iter = props.keySet().iterator(); iter.hasNext();) {

                 String name = (String) iter.next();

                 String value = props.getProperty(name);

                 MethodDefinitionSourceMapping mapping = new MethodDefinitionSourceMapping();

                 mapping.setMethodName(name);

                 String[] tokens = StringUtils.commaDelimitedListToStringArray(value);

                 for (int i = 0; i < tokens.length; i++) {

                     mapping.addConfigAttribute(tokens[i].trim());

                 }

                 mappings.add(mapping);

             }

             source.setMappings(mappings);

         }

         setValue(source);

     }

 }