archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/sql/SQLMetaDataResults.java

   1 package com.quantum.sql;
   2
   3 import java.sql.ResultSet;
   4 import java.sql.ResultSetMetaData;
   5 import java.sql.SQLException;
   6 import java.util.ArrayList;
   7 import java.util.List;
   8 import java.util.Vector;
   9
  10 import com.quantum.model.Bookmark;
  11 import com.quantum.model.Entity;
  12
  13
  14 /**
  15  * @author BC
  16  */
  17 public class SQLMetaDataResults extends SQLResultSetResults {
  18
  19         /**
  20          * @param query
  21          */
  22         private SQLMetaDataResults(String query, Bookmark bookmark, Entity entity) {
  23                 super(query, bookmark, entity);
  24         }
  25
  26         static SQLResultSetResults create(Bookmark bookmark, ResultSet set, String query, Entity entity) throws SQLException {
  27
  28                 SQLMetaDataResults results = new SQLMetaDataResults(query, bookmark, entity);
  29                 results.parseResultSet(set);
  30
  31                 return results;
  32         }
  33
  34         /**
  35          * @param set
  36          * @param results
  37          * @param metaData
  38          * @param columnCount
  39          * @throws SQLException
  40          */
  41         protected void parseResultSet(ResultSet set) throws SQLException {
  42
  43                 List columns = new ArrayList();
  44                 columns.add(new Column("ColumnName", "", 0)); //$NON-NLS-1$
  45                 columns.add(new Column("Type", "", 0)); //$NON-NLS-1$
  46                 columns.add(new Column("Size", "", 0)); //$NON-NLS-1$
  47                 columns.add(new Column("Nullable", "", 0)); //$NON-NLS-1$
  48                 columns.add(new Column("AutoIncrement", "", 0)); //$NON-NLS-1$
  49                 setColumns((Column[]) columns.toArray(new Column[columns.size()]));
  50
  51                 ResultSetMetaData metaData = set.getMetaData();
  52
  53                 List rowList = new ArrayList();
  54                 for (int i = 1; i <= metaData.getColumnCount(); i++) {
  55                         Vector row = new Vector();
  56                         row.addElement(metaData.getColumnName(i));
  57                         row.addElement(metaData.getColumnTypeName(i));
  58                         int textSize = metaData.getColumnDisplaySize(i);
  59                         int precision = metaData.getPrecision(i);
  60                         int scale = metaData.getScale(i);
  61                         if (scale == 0 && precision == 0) {
  62                                 row.addElement(Integer.toString(precision));
  63                         } else {
  64                                 row.addElement(textSize + ", " + precision + ", " + scale); //$NON-NLS-1$ //$NON-NLS-2$
  65                         }
  66                         int nullable = metaData.isNullable(i);
  67                         if (nullable == ResultSetMetaData.columnNoNulls) {
  68                                 row.addElement("Not Null"); //$NON-NLS-1$
  69                         } else if (nullable == ResultSetMetaData.columnNullable) {
  70                                 row.addElement("Nullable"); //$NON-NLS-1$
  71                         } else if (
  72                                 nullable == ResultSetMetaData.columnNullableUnknown) {
  73                                 row.addElement("Nullable"); //$NON-NLS-1$
  74                         } else {
  75                                 row.addElement("<Error>"); //$NON-NLS-1$
  76                         }
  77                         row.addElement(
  78                                 (metaData.isAutoIncrement(i)
  79                                         ? Boolean.TRUE
  80                                         : Boolean.FALSE)
  81                                         .toString());
  82                         rowList.add(new Row(row));
  83                 }
  84                 setRows((Row[]) rowList.toArray(new Row[rowList.size()]));
  85                 set.close();
  86         }
  87
  88         public boolean isMetaData() {
  89                 return true;
  90         }
  91 }