Coverage Report - org.apache.commons.dbutils.handlers.MapHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
MapHandler
0%
0/6
0%
0/2
1.333
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.commons.dbutils.handlers;
 18  
 
 19  
 import java.sql.ResultSet;
 20  
 import java.sql.SQLException;
 21  
 
 22  
 import org.apache.commons.dbutils.ResultSetHandler;
 23  
 import org.apache.commons.dbutils.RowProcessor;
 24  
 
 25  
 /**
 26  
  * <code>ResultSetHandler</code> implementation that converts the first
 27  
  * <code>ResultSet</code> row into a <code>Map</code>. This class is thread 
 28  
  * safe.
 29  
  * 
 30  
  * @see org.apache.commons.dbutils.ResultSetHandler
 31  
  */
 32  
 public class MapHandler implements ResultSetHandler {
 33  
 
 34  
     /**
 35  
      * The RowProcessor implementation to use when converting rows 
 36  
      * into Maps.
 37  
      */
 38  
     private final RowProcessor convert;
 39  
 
 40  
     /** 
 41  
      * Creates a new instance of MapHandler using a 
 42  
      * <code>BasicRowProcessor</code> for conversion.
 43  
      */
 44  
     public MapHandler() {
 45  0
         this(ArrayHandler.ROW_PROCESSOR);
 46  0
     }
 47  
 
 48  
     /** 
 49  
      * Creates a new instance of MapHandler.
 50  
      * 
 51  
      * @param convert The <code>RowProcessor</code> implementation 
 52  
      * to use when converting rows into Maps.
 53  
      */
 54  
     public MapHandler(RowProcessor convert) {
 55  0
         super();
 56  0
         this.convert = convert;
 57  0
     }
 58  
 
 59  
     /**
 60  
      * Converts the first row in the <code>ResultSet</code> into a 
 61  
      * <code>Map</code>.
 62  
      * 
 63  
      * @return A <code>Map</code> with the values from the first row or 
 64  
      * <code>null</code> if there are no rows in the <code>ResultSet</code>. 
 65  
      * 
 66  
      * @throws SQLException if a database access error occurs
 67  
      * 
 68  
      * @see org.apache.commons.dbutils.ResultSetHandler#handle(java.sql.ResultSet)
 69  
      */
 70  
     public Object handle(ResultSet rs) throws SQLException {
 71  0
         return rs.next() ? this.convert.toMap(rs) : null;
 72  
     }
 73  
 
 74  
 }