001// Copyright 2004, 2005 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry.contrib.jdbc; 016 017import java.sql.PreparedStatement; 018import java.sql.SQLException; 019import java.sql.Types; 020 021/** 022 * Used with String parameters. 023 * 024 * 025 * @author Howard Lewis Ship 026 * 027 **/ 028 029public class StringParameter implements IParameter 030{ 031 private String _value; 032 033 public StringParameter(String value) 034 { 035 _value = value; 036 } 037 038 public void set(PreparedStatement statement, int index) throws SQLException 039 { 040 if (_value == null) 041 statement.setNull(index, Types.VARCHAR); 042 else 043 statement.setString(index, _value); 044 } 045 046 public String toString() 047 { 048 StringBuffer buffer = new StringBuffer("String<"); 049 buffer.append(_value); 050 buffer.append('>'); 051 052 return buffer.toString(); 053 } 054}