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| package org.apache.tapestry.contrib.table.model.sql; |
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| |
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| import java.sql.ResultSet; |
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| import java.sql.SQLException; |
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| import java.util.Iterator; |
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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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| import org.apache.tapestry.contrib.table.model.ITableColumnModel; |
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| import org.apache.tapestry.contrib.table.model.common.AbstractTableModel; |
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| import org.apache.tapestry.contrib.table.model.simple.SimpleTableState; |
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| public class SqlTableModel extends AbstractTableModel |
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| { |
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| private static final long serialVersionUID = 1L; |
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| private static final Log LOG = LogFactory.getLog(SqlTableModel.class); |
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| |
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| private ISqlTableDataSource m_objDataSource; |
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| private SqlTableColumnModel m_objColumnModel; |
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| { |
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| try {
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| Class.forName ( "org.hsqldb.jdbcDriver" );
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| } catch (Exception e) { |
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| System.out.println("ERROR: failed to load HSQLDB JDBC driver.");
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| e.printStackTrace();
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| } |
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| } |
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| |
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| public SqlTableModel(
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| ISqlTableDataSource objDataSource, |
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| SqlTableColumnModel objColumnModel) |
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| { |
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| this(objDataSource, objColumnModel, new SimpleTableState());
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| } |
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| |
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| public SqlTableModel(
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| ISqlTableDataSource objDataSource, |
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| SqlTableColumnModel objColumnModel, |
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| SimpleTableState objState) |
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| { |
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| super(objState);
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| m_objDataSource = objDataSource;
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| m_objColumnModel = objColumnModel;
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| } |
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| public ITableColumnModel getColumnModel()
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| { |
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| return m_objColumnModel;
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| } |
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| public SqlTableColumnModel getSqlColumnModel()
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| { |
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| return m_objColumnModel;
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| } |
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| public Iterator getCurrentPageRows()
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| { |
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| try
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| { |
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| ResultSet objResultSet =
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| getSqlDataSource().getCurrentRows( |
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| getSqlColumnModel(), |
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| getState()); |
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| |
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| return new ResultSetIterator(objResultSet)
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| { |
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| protected void notifyEnd()
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| { |
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| getSqlDataSource().closeResultSet(getResultSet());
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| } |
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| }; |
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| } |
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| catch (SQLException e) |
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| { |
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| LOG.error("Cannot get current page rows", e);
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| return new ResultSetIterator(null);
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| } |
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| } |
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| public ISqlTableDataSource getSqlDataSource()
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| { |
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| return m_objDataSource;
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| } |
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| protected int getRowCount()
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| { |
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| try
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| { |
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| return m_objDataSource.getRowCount();
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| } |
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| catch (SQLException e) |
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| { |
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| LOG.error("Cannot get row count", e);
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| return 1;
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| } |
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| } |
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| } |