content: /**
   *  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.aries.jmx.codec;
  
  import java.util.HashMap;
  import java.util.Map;
  import javax.management.openmbean.CompositeData;
  import javax.management.openmbean.CompositeDataSupport;
  import javax.management.openmbean.OpenDataException;
  
  import org.osgi.jmx.service.useradmin.UserAdminMBean;
  import org.osgi.service.useradmin.Authorization;
  
  /**
   * <p>
   * <tt>AuthorizationData</tt> represents Authorization Type @see {@link UserAdminMBean#AUTORIZATION_TYPE}.It is a codec
   * for the <code>CompositeData</code> representing an Authorization .
   * </p>
   * 
   *
   * @version $Rev$ $Date$
   */
  public class AuthorizationData {
      
      /**
       * authorization context name.
       */
      private String name;
      /**
       * roles implied by authorization context.
       */
      private String[] roles;
      
      /**
       * Constructs new AuthorizationData from Authorization. 
       * @param auth {@link Authorization} instance.
       */
      public AuthorizationData(Authorization auth){
          this.name = auth.getName();
          this.roles = auth.getRoles();
      }
      
      /**
       * Constructs new AuthorizationData.
       * 
       * @param name of authorization context.
       * @param roles implied by authorization context.
       */
      public AuthorizationData(String name, String[] roles){
          this.name = name;
          this.roles = roles;
      }
      /**
       * Translates AuthorizationData to CompositeData represented by
       * compositeType {@link UserAdminMBean#AUTORIZATION_TYPE}.
       * 
       * @return translated AuthorizationData to compositeData.
       */
      public CompositeData toCompositeData() {
          try {
              Map<String, Object> items = new HashMap<String, Object>();
              items.put(UserAdminMBean.NAME, name);
              items.put(UserAdminMBean.ROLES, roles);
              return new CompositeDataSupport(UserAdminMBean.AUTORIZATION_TYPE, items);
          } catch (OpenDataException e) {
              throw new IllegalStateException("Can't create CompositeData" + e);
          }
      }
  
      /**
       * Static factory method to create AuthorizationData from CompositeData object.
       * 
       * @param data {@link CompositeData} instance.
       * @return AuthorizationData instance.
       */
      public static AuthorizationData from(CompositeData data) {
          if(data == null){
              return null;
          }
          String name = (String) data.get(UserAdminMBean.NAME);
          String[] roles = (String[]) data.get(UserAdminMBean.ROLES);
          return new AuthorizationData(name, roles);
      }
  
      /**
       * @return the name
       */
      public String getName() {
          return name;
      }
  
      /**
       * @return the roles
       */
      public String[] getRoles() {
          return roles;
      }
  
  }