Clover coverage report - Code Coverage for tapestry-contrib release 4.0-alpha-3
Coverage timestamp: Mon May 16 2005 09:12:41 EDT
file stats: LOC: 123   Methods: 6
NCLOC: 74   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ResultSetIterator.java 0% 0% 0% 0%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.tapestry.contrib.table.model.sql;
 16   
 
 17   
 import java.sql.ResultSet;
 18   
 import java.sql.SQLException;
 19   
 import java.util.Iterator;
 20   
 
 21   
 import org.apache.commons.logging.Log;
 22   
 import org.apache.commons.logging.LogFactory;
 23   
 
 24   
 /**
 25   
  * 
 26   
  * @author mindbridge
 27   
  */
 28   
 public class ResultSetIterator implements Iterator
 29   
 {
 30   
     private static final Log LOG = LogFactory.getLog(ResultSetIterator.class);
 31   
 
 32   
     private ResultSet m_objResultSet;
 33   
     private boolean m_bFetched;
 34   
     private boolean m_bAvailable;
 35   
 
 36  0
     public ResultSetIterator(ResultSet objResultSet)
 37   
     {
 38  0
         m_objResultSet = objResultSet;
 39  0
         m_bFetched = false;
 40   
     }
 41   
 
 42   
     /**
 43   
      * @see java.util.Iterator#hasNext()
 44   
      */
 45  0
     public synchronized boolean hasNext()
 46   
     {
 47  0
         if (getResultSet() == null) return false;
 48   
         
 49  0
         if (!m_bFetched)
 50   
         {
 51  0
             m_bFetched = true;
 52   
 
 53  0
             try
 54   
             {
 55  0
                 m_bAvailable = !getResultSet().isLast();
 56   
             }
 57   
             catch (SQLException e)
 58   
             {
 59  0
                 LOG.warn(
 60   
                     "SQLException while testing for end of the ResultSet",
 61   
                     e);
 62  0
                 m_bAvailable = false;
 63   
             }
 64   
 
 65  0
             if (!m_bAvailable)
 66  0
                 notifyEnd();
 67   
         }
 68   
 
 69  0
         return m_bAvailable;
 70   
     }
 71   
 
 72   
     /**
 73   
      * @see java.util.Iterator#next()
 74   
      */
 75  0
     public synchronized Object next()
 76   
     {
 77  0
         ResultSet objResultSet = getResultSet();
 78   
 
 79  0
         try
 80   
         {
 81  0
             if (!objResultSet.next())
 82  0
                 return null;
 83   
         }
 84   
         catch (SQLException e)
 85   
         {
 86  0
             LOG.warn("SQLException while iterating over the ResultSet", e);
 87  0
             return null;
 88   
         }
 89   
 
 90  0
         m_bFetched = false;
 91  0
         return objResultSet;
 92   
     }
 93   
 
 94   
     /**
 95   
      * @see java.util.Iterator#remove()
 96   
      */
 97  0
     public void remove()
 98   
     {
 99  0
         try
 100   
         {
 101  0
             getResultSet().deleteRow();
 102   
         }
 103   
         catch (SQLException e)
 104   
         {
 105  0
             LOG.error("Cannot delete record", e);
 106   
         }
 107   
     }
 108   
 
 109   
     /**
 110   
      * Returns the resultSet.
 111   
      * @return ResultSet
 112   
      */
 113  0
     public ResultSet getResultSet()
 114   
     {
 115  0
         return m_objResultSet;
 116   
     }
 117   
 
 118  0
     protected void notifyEnd()
 119   
     {
 120   
     }
 121   
 
 122   
 }
 123