StringParameter


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.jdbc;
16  
17  import java.sql.PreparedStatement  ;
18  import java.sql.SQLException  ;
19  import java.sql.Types  ;
20  
21  /**
22   *  Used with String parameters.
23   *
24   *
25   *  @author Howard Lewis Ship
26   *
27   **/
28  
29  public class StringParameter implements IParameter
30  {
31      private String   _value;
32  
33      public StringParameter(String   value)
34      {
35          _value = value;
36      }
37  
38      public void set(PreparedStatement   statement, int index) throws SQLException  
39      {
40          if (_value == null)
41              statement.setNull(index, Types.VARCHAR);
42          else
43              statement.setString(index, _value);
44      }
45  
46      public String   toString()
47      {
48          StringBuffer   buffer = new StringBuffer  ("String<");
49          buffer.append(_value);
50          buffer.append('>');
51  
52          return buffer.toString();
53      }
54  }
55

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