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: 151   Methods: 7
NCLOC: 69   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ParameterizedStatement.java 0% 0% 0% 0%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
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 // Licensed under the Apache License, Version 2.0 (the "License");
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 // you may not use this file except in compliance with the License.
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 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
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 // 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.
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 15   
 package org.apache.tapestry.contrib.jdbc;
 16   
 
 17   
 import java.sql.Connection;
 18   
 import java.sql.PreparedStatement;
 19   
 import java.sql.ResultSet;
 20   
 import java.sql.SQLException;
 21   
 import java.sql.Statement;
 22   
 import java.util.List;
 23   
 
 24   
 import org.apache.commons.logging.Log;
 25   
 import org.apache.commons.logging.LogFactory;
 26   
 
 27   
 /**
 28   
  *  A wrapper around {@link PreparedStatement}.
 29   
  *
 30   
  *  @author Howard Lewis Ship
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  * 
 32   
  **/
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 34   
 public class ParameterizedStatement implements IStatement
 35   
 {
 36   
     private static final Log LOG = LogFactory.getLog(ParameterizedStatement.class);
 37   
 
 38   
     private String _SQL;
 39   
     private PreparedStatement _statement;
 40   
     private IParameter[] _parameters;
 41   
 
 42   
     /**
 43   
      *  Create a new instance; the parameters list is copied.
 44   
      * 
 45   
      *  @param SQL the SQL to execute (see {@link Connection#prepareStatement(java.lang.String)})
 46   
      *  @param connection the JDBC connection to use
 47   
      *  @param parameters list of {@link IParameter}
 48   
      * 
 49   
      **/
 50   
     
 51  0
     public ParameterizedStatement(String SQL, Connection connection, List parameters) throws SQLException
 52   
     {
 53  0
         _SQL = SQL;
 54   
 
 55  0
         _statement = connection.prepareStatement(SQL);
 56   
 
 57  0
         _parameters = (IParameter[]) parameters.toArray(new IParameter[parameters.size()]);
 58   
 
 59  0
         for (int i = 0; i < _parameters.length; i++)
 60   
         {
 61   
             // JDBC numbers things from 1, not 0.
 62   
 
 63  0
             _parameters[i].set(_statement, i + 1);
 64   
         }
 65   
     }
 66   
 
 67   
     /**
 68   
      * Returns the SQL associated with this statement.
 69   
      *
 70   
      **/
 71   
 
 72  0
     public String getSQL()
 73   
     {
 74  0
         return _SQL;
 75   
     }
 76   
 
 77   
     /**
 78   
      *  Returns the underlying or {@link PreparedStatement}.
 79   
      *
 80   
      **/
 81   
 
 82  0
     public Statement getStatement()
 83   
     {
 84  0
         return _statement;
 85   
     }
 86   
 
 87   
     /**
 88   
      *  Closes the underlying statement, and nulls the reference to it.
 89   
      *
 90   
      **/
 91   
 
 92  0
     public void close() throws SQLException
 93   
     {
 94  0
         _statement.close();
 95   
 
 96  0
         _statement = null;
 97  0
         _SQL = null;
 98   
     }
 99   
 
 100   
     /**
 101   
      *  Executes the statement as a query, returning a {@link ResultSet}.
 102   
      *
 103   
      **/
 104   
 
 105  0
     public ResultSet executeQuery() throws SQLException
 106   
     {
 107  0
         if (LOG.isDebugEnabled())
 108  0
             LOG.debug("Executing query: " + this);
 109   
 
 110  0
         return _statement.executeQuery();
 111   
     }
 112   
 
 113   
     /**
 114   
      *  Executes the statement as an update, returning the number of rows
 115   
      *  affected.
 116   
      *
 117   
      **/
 118   
 
 119  0
     public int executeUpdate() throws SQLException
 120   
     {
 121  0
         if (LOG.isDebugEnabled())
 122  0
             LOG.debug("Executing update: " + this);
 123   
 
 124  0
         return _statement.executeUpdate();
 125   
     }
 126   
 
 127  0
     public String toString()
 128   
     {
 129  0
         StringBuffer buffer = new StringBuffer("ParameterizedStatement@");
 130  0
         buffer.append(Integer.toHexString(hashCode()));
 131  0
         buffer.append("[SQL=\n<");
 132  0
         buffer.append(_SQL);
 133  0
         buffer.append("\n>");
 134   
 
 135  0
         for (int i = 0; i < _parameters.length; i++)
 136   
         {
 137  0
             IParameter parameter = _parameters[i];
 138   
 
 139  0
             buffer.append(" ?");
 140  0
             buffer.append(i + 1);
 141  0
             buffer.append('=');
 142   
 
 143  0
             buffer.append(parameter);
 144   
         }
 145   
 
 146  0
         buffer.append(']');
 147   
 
 148  0
         return buffer.toString();
 149   
     }
 150   
 
 151   
 }