Coverage Report - org.apache.commons.dbutils.handlers.ArrayHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
ArrayHandler
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.BasicRowProcessor;
 23  
 import org.apache.commons.dbutils.ResultSetHandler;
 24  
 import org.apache.commons.dbutils.RowProcessor;
 25  
 
 26  
 /**
 27  
  * <code>ResultSetHandler</code> implementation that converts a 
 28  
  * <code>ResultSet</code> into an <code>Object[]</code>. This class is 
 29  
  * thread safe.
 30  
  * 
 31  
  * @see org.apache.commons.dbutils.ResultSetHandler
 32  
  */
 33  
 public class ArrayHandler implements ResultSetHandler {
 34  
 
 35  
     /**
 36  
      * Singleton processor instance that handlers share to save memory.  Notice
 37  
      * the default scoping to allow only classes in this package to use this
 38  
      * instance.
 39  
      */
 40  0
     static final RowProcessor ROW_PROCESSOR = new BasicRowProcessor();
 41  
 
 42  
     /**
 43  
      * The RowProcessor implementation to use when converting rows 
 44  
      * into arrays.
 45  
      */
 46  
     private final RowProcessor convert;
 47  
 
 48  
     /** 
 49  
      * Creates a new instance of ArrayHandler using a 
 50  
      * <code>BasicRowProcessor</code> for conversion.
 51  
      */
 52  
     public ArrayHandler() {
 53  0
         this(ROW_PROCESSOR);
 54  0
     }
 55  
 
 56  
     /** 
 57  
      * Creates a new instance of ArrayHandler.
 58  
      * 
 59  
      * @param convert The <code>RowProcessor</code> implementation 
 60  
      * to use when converting rows into arrays.
 61  
      */
 62  
     public ArrayHandler(RowProcessor convert) {
 63  0
         super();
 64  0
         this.convert = convert;
 65  0
     }
 66  
 
 67  
     /**
 68  
      * Places the column values from the first row in an <code>Object[]</code>.
 69  
      * 
 70  
      * @return An Object[] or <code>null</code> if there are no rows in the
 71  
      * <code>ResultSet</code>.
 72  
      * 
 73  
      * @throws SQLException if a database access error occurs
 74  
      * @see org.apache.commons.dbutils.ResultSetHandler#handle(java.sql.ResultSet)
 75  
      */
 76  
     public Object handle(ResultSet rs) throws SQLException {
 77  0
         return rs.next() ? this.convert.toArray(rs) : null;
 78  
     }
 79  
 
 80  
 }