package org.apache.archiva.redback.users.jdo;
   
   /*
    * 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.
   */
  
  import org.apache.archiva.redback.users.AbstractUserQuery;
  import org.apache.archiva.redback.users.UserQuery;
  import org.codehaus.plexus.util.StringUtils;
  
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  
  public class JdoUserQuery
      extends AbstractUserQuery
  {
  
      /**
       * Create the ordering string for use in {@link javax.jdo.Query#setOrdering(String)}
       *
       * @return the created filter
       */
      public String getOrdering()
      {
          StringBuilder ordering = new StringBuilder();
  
          if ( UserQuery.ORDER_BY_EMAIL.equals( getOrderBy() ) )
          {
              ordering.append( "email" );
          }
          else if ( UserQuery.ORDER_BY_FULLNAME.equals( getOrderBy() ) )
          {
              ordering.append( "fullName" );
          }
          else
          {
              ordering.append( "username" );
          }
          ordering.append( " " ).append( isAscending() ? "ascending" : "descending" );
          return ordering.toString();
      }
  
      /**
       * Create and return the filter string for use in {@link javax.jdo.Query#setFilter(String)}
       *
       * @return the query filter
       */
      public String getFilter()
      {
          Set<String> terms = new HashSet<String>();
  
          if ( getUsername() != null )
          {
              terms.add( "this.username.toLowerCase().indexOf(usernameKey.toLowerCase()) > -1" );
          }
          if ( getFullName() != null )
          {
              terms.add( "this.fullName.toLowerCase().indexOf(fullNameKey.toLowerCase()) > -1" );
          }
          if ( getEmail() != null )
          {
              terms.add( "this.email.toLowerCase().indexOf(emailKey.toLowerCase()) > -1" );
          }
  
          return StringUtils.join( terms.iterator(), " && " );
      }
  
      /**
       * Return an array of parameters for user in {@link javax.jdo.Query#executeWithArray(Object[])}
       *
       * @return the parameter array
       */
      public String[] getSearchKeys()
      {
          List<String> keys = new ArrayList<String>();
  
          if ( getUsername() != null )
          {
              keys.add( getUsername() );
          }
          if ( getFullName() != null )
         {
             keys.add( getFullName() );
         }
         if ( getEmail() != null )
         {
             keys.add( getEmail() );
         }
 
         return keys.toArray( new String[keys.size()] );
     }
 
     /**
      * Returns the parameters for use in {@link javax.jdo.Query#declareParameters(String)}
      *
      * @return the parameter list
      */
     public String getParameters()
     {
 
         List<String> params = new ArrayList<String>();
 
         if ( getUsername() != null )
         {
             params.add( "String usernameKey" );
         }
         if ( getFullName() != null )
         {
             params.add( "String fullNameKey" );
         }
         if ( getEmail() != null )
         {
             params.add( "String emailKey" );
         }
 
         return StringUtils.join( params.iterator(), ", " );
     }
 }