Coverage Report - org.apache.commons.dbutils.handlers.BeanHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
BeanHandler
0%
0/7
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 JavaBean. This class is thread safe.
 28  
  * 
 29  
  * @see org.apache.commons.dbutils.ResultSetHandler
 30  
  */
 31  
 public class BeanHandler implements ResultSetHandler {
 32  
 
 33  
     /**
 34  
      * The Class of beans produced by this handler.
 35  
      */
 36  
     private final Class type;
 37  
 
 38  
     /**
 39  
      * The RowProcessor implementation to use when converting rows 
 40  
      * into beans.
 41  
      */
 42  
     private final RowProcessor convert;
 43  
 
 44  
     /** 
 45  
      * Creates a new instance of BeanHandler.
 46  
      * 
 47  
      * @param type The Class that objects returned from <code>handle()</code>
 48  
      * are created from.
 49  
      */
 50  
     public BeanHandler(Class type) {
 51  0
         this(type, ArrayHandler.ROW_PROCESSOR);
 52  0
     }
 53  
 
 54  
     /** 
 55  
      * Creates a new instance of BeanHandler.
 56  
      * 
 57  
      * @param type The Class that objects returned from <code>handle()</code>
 58  
      * are created from.
 59  
      * @param convert The <code>RowProcessor</code> implementation 
 60  
      * to use when converting rows into beans.
 61  
      */
 62  0
     public BeanHandler(Class type, RowProcessor convert) {
 63  0
         this.type = type;
 64  0
         this.convert = convert;
 65  0
     }
 66  
 
 67  
     /**
 68  
      * Convert the first row of the <code>ResultSet</code> into a bean with the
 69  
      * <code>Class</code> given in the constructor.
 70  
      * 
 71  
      * @return An initialized JavaBean or <code>null</code> if there were no 
 72  
      * rows in the <code>ResultSet</code>.
 73  
      * 
 74  
      * @throws SQLException if a database access error occurs
 75  
      * @see org.apache.commons.dbutils.ResultSetHandler#handle(java.sql.ResultSet)
 76  
      */
 77  
     public Object handle(ResultSet rs) throws SQLException {
 78  0
         return rs.next() ? this.convert.toBean(rs, this.type) : null;
 79  
     }
 80  
 
 81  
 }