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| package org.apache.tapestry.contrib.jdbc; |
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| import java.sql.Connection; |
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| import java.sql.PreparedStatement; |
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| import java.sql.ResultSet; |
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| import java.sql.SQLException; |
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| import java.sql.Statement; |
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| import java.util.List; |
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| |
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| import org.apache.commons.logging.Log; |
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| import org.apache.commons.logging.LogFactory; |
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| public class ParameterizedStatement implements IStatement |
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| { |
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| private static final Log LOG = LogFactory.getLog(ParameterizedStatement.class); |
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| private String _SQL; |
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| private PreparedStatement _statement; |
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| private IParameter[] _parameters; |
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| public ParameterizedStatement(String SQL, Connection connection, List parameters) throws SQLException
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| { |
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| _SQL = SQL;
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| _statement = connection.prepareStatement(SQL);
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| _parameters = (IParameter[]) parameters.toArray(new IParameter[parameters.size()]);
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| for (int i = 0; i < _parameters.length; i++)
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| { |
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| _parameters[i].set(_statement, i + 1);
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| } |
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| } |
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| public String getSQL()
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| { |
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| return _SQL;
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| } |
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| public Statement getStatement()
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| { |
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| return _statement;
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| } |
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| public void close() throws SQLException
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| { |
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| _statement.close();
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| _statement = null;
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| _SQL = null;
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| } |
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| public ResultSet executeQuery() throws SQLException
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| { |
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| if (LOG.isDebugEnabled())
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| LOG.debug("Executing query: " + this);
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| return _statement.executeQuery();
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| } |
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| public int executeUpdate() throws SQLException
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| { |
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| if (LOG.isDebugEnabled())
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| LOG.debug("Executing update: " + this);
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| return _statement.executeUpdate();
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| } |
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| public String toString()
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| { |
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| StringBuffer buffer = new StringBuffer("ParameterizedStatement@");
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| buffer.append(Integer.toHexString(hashCode()));
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| buffer.append("[SQL=\n<");
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| buffer.append(_SQL);
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| buffer.append("\n>");
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| for (int i = 0; i < _parameters.length; i++)
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| { |
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| IParameter parameter = _parameters[i];
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| buffer.append(" ?");
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| buffer.append(i + 1);
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| buffer.append('=');
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| buffer.append(parameter);
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| } |
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| buffer.append(']');
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| return buffer.toString();
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| } |
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| } |