src/jdbc/JdbcSqlResultSetMetaData.java

   1
   2 package csql.jdbc;
   3 import java.sql.Connection;
   4 import java.sql.Statement;
   5 import java.sql.SQLException;
   6 import java.sql.ResultSetMetaData;
   7 import java.sql.SQLWarning;
   8
   9 public final class JdbcSqlResultSetMetaData
  10 extends JSqlError implements ResultSetMetaData, JSqlErrorType
  11 {
  12     private boolean isClosed;
  13     JdbcSqlStatement stmt; // This guy creates me
  14
  15     JdbcSqlResultSetMetaData()
  16     {
  17         isClosed = false;
  18     }
  19     void setStmt( JdbcSqlStatement s )
  20     {
  21         stmt = s;
  22         isClosed = false;
  23     }
  24
  25     public void close() throws SQLException
  26     {
  27         if( ! isClosed )
  28             isClosed = true;
  29         return;
  30     }
  31
  32     public int getColumnCount () throws SQLException
  33     {
  34         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  35         return( stmt.jniStmt.getNoOfFields() );
  36     }
  37     public int getColumnIndex (String name) throws SQLException
  38     {
  39         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  40         throw getException( CSQL_NOT_SUPPORTED );
  41         //return( stmt.jniStmt.findColumn( name ) );
  42     }
  43
  44     public String getColumnName (int colNum) throws SQLException
  45     {
  46         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  47
  48         String name= stmt.jniStmt.getFieldName( colNum-1 );
  49         return( name );
  50     }
  51     public String getColumnLabel (int colNum) throws SQLException
  52     {
  53         return getColumnName( colNum );
  54     }
  55
  56     public boolean isReadOnly (int colNum) throws SQLException
  57     {
  58         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  59         return( false );
  60     }
  61     public boolean isWritable (int colNum) throws SQLException
  62     {
  63         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  64         return( true );
  65     }
  66     public boolean isDefinitelyWritable (int colNum) throws SQLException
  67     {
  68         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  69         return( true );
  70     }
  71
  72     // TODO
  73     public String getColumnClassName(int colNum) throws SQLException
  74     {
  75         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  76         throw getException( CSQL_NOT_SUPPORTED );
  77     }
  78     public int getColumnType (int colNum) throws SQLException //TODO
  79     {
  80         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  81         throw getException( CSQL_NOT_SUPPORTED );
  82     }
  83     public String getColumnTypeName (int colNum) throws SQLException //TODO
  84     {
  85         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  86         throw getException( CSQL_NOT_SUPPORTED );
  87     }
  88     public boolean isCaseSensitive (int colNum) throws SQLException //TODO
  89     {
  90         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  91         return( false );
  92     }
  93     public boolean isSigned (int colNum) throws SQLException //TODO
  94     {
  95         if( isClosed ) throw getException( CSQL_INVALID_STATE );
  96         throw getException( CSQL_NOT_SUPPORTED );
  97     }
  98     public int isNullable (int colNum) throws SQLException //TODO
  99     {
 100         if( isClosed ) throw getException( CSQL_INVALID_STATE );
 101         throw getException( CSQL_NOT_SUPPORTED );
 102     }
 103     public int getPrecision (int colNum) throws SQLException //TODO
 104     {
 105         if( isClosed ) throw getException( CSQL_INVALID_STATE );
 106         throw getException( CSQL_NOT_SUPPORTED );
 107     }
 108     public int getScale (int colNum) throws SQLException //TODO
 109     {
 110         if( isClosed ) throw getException( CSQL_INVALID_STATE );
 111         throw getException( CSQL_NOT_SUPPORTED );
 112     }
 113     public String getSchemaName (int colNum) throws SQLException
 114     {
 115         return( null );
 116     }
 117     public String getTableName (int colNum) throws SQLException
 118     {
 119         return( null );
 120     }
 121
 122     // UN-SUPPORTED API's
 123     public int getColumnDisplaySize (int colNum) throws SQLException
 124     {
 125         return( 1 );
 126     }
 127     public boolean isAutoIncrement (int colNum) throws SQLException
 128     {
 129         return( false );
 130     }
 131     public boolean isCurrency (int colNum) throws SQLException
 132     {
 133         return( true );
 134     }
 135     public String getCatalogName (int colNum) throws SQLException
 136     {
 137         return( null );
 138     }
 139     public boolean isSearchable (int colNum) throws SQLException
 140     {
 141         return( true );
 142     }
 143     //java 1.6 methods
 144     public boolean isWrapperFor(Class ifact) throws SQLException
 145     {
 146         throw getException(CSQL_NOT_SUPPORTED);
 147     }
 148     public Class unwrap(Class iface) throws SQLException
 149     {
 150         throw getException(CSQL_NOT_SUPPORTED);
 151     }
 152
 153 }