JDBC-ODBC-Bridge Step 2

1 files changed, 179 insertions, 0 deletions

diff --git a/openjdk/sun/jdbc/odbc/JdbcOdbcDTResultSetMetaData.java b/openjdk/sun/jdbc/odbc/JdbcOdbcDTResultSetMetaData.java
new file mode 100644
index 00000000..c2e543b4
--- /dev/null
+++ b/openjdk/sun/jdbc/odbc/JdbcOdbcDTResultSetMetaData.java
@@ -0,0 +1,179 @@
+/*
+  Copyright (C) 2009 Volker Berlin (i-net software)
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+
+  Jeroen Frijters
+  jeroen@frijters.net
+  
+ */
+package sun.jdbc.odbc;
+
+import java.sql.*;
+
+import cli.System.Data.*;
+import cli.System.Data.Common.*;
+import cli.System.Data.Odbc.*;
+
+/**
+ * This JDBC Driver is a wrapper to the ODBC.NET Data Provider
+ */
+public class JdbcOdbcDTResultSetMetaData implements ResultSetMetaData{
+
+    private final DbDataReader reader;
+    private final DataTable table;
+
+
+    public JdbcOdbcDTResultSetMetaData(DbDataReader reader, DataTable table){
+        this.reader = reader;
+        this.table = table;
+    }
+
+
+    public String getCatalogName(int column){
+        return "";
+    }
+
+
+    public String getColumnClassName(int column){
+        cli.System.Type type = getDataColumn(column).get_DataType();
+        return type.get_FullName();
+    }
+
+
+    public int getColumnCount(){
+        return table.get_Columns().get_Count();
+    }
+
+
+    public int getColumnDisplaySize(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+
+    public String getColumnLabel(int column) throws SQLException{
+        return getDataColumn(column).get_Caption();
+    }
+
+
+    public String getColumnName(int column) throws SQLException{
+        return getDataColumn(column).get_ColumnName();
+    }
+
+
+    public int getColumnType(int column) throws SQLException{
+        cli.System.Type type = getDataColumn(column).get_DataType();
+        // TODO Auto-generated method stub
+        return Types.OTHER;
+    }
+
+
+    public String getColumnTypeName(int column) throws SQLException{
+        return reader != null ? reader.GetDataTypeName(column - 1) : "";
+    }
+
+
+    public int getPrecision(int column) throws SQLException{
+        return getDataColumn(column).get_MaxLength();
+    }
+
+
+    public int getScale(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return 0;
+    }
+
+
+    public String getSchemaName(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return null;
+    }
+
+
+    public String getTableName(int column) throws SQLException{
+        return table.get_TableName();
+    }
+
+
+    public boolean isAutoIncrement(int column) throws SQLException{
+        return getDataColumn(column).get_AutoIncrement();
+    }
+
+
+    public boolean isCaseSensitive(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+
+    public boolean isCurrency(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+
+    public boolean isDefinitelyWritable(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+
+    public int isNullable(int column) throws SQLException{
+        return getDataColumn(column).get_AllowDBNull() ? columnNullable : columnNoNulls;
+    }
+
+
+    public boolean isReadOnly(int column) throws SQLException{
+        return getDataColumn(column).get_ReadOnly();
+    }
+
+
+    public boolean isSearchable(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+
+    public boolean isSigned(int column) throws SQLException{
+        // TODO Auto-generated method stub
+        return false;
+    }
+
+
+    public boolean isWritable(int column) throws SQLException{
+        return !getDataColumn(column).get_ReadOnly();
+    }
+
+
+    public boolean isWrapperFor(Class<?> iface){
+        return iface.isAssignableFrom(this.getClass());
+    }
+
+
+    public <T>T unwrap(Class<T> iface) throws SQLException{
+        if(isWrapperFor(iface)){
+            return (T)this;
+        }
+        throw new SQLException(this.getClass().getName() + " does not implements " + iface.getName() + ".", "01000");
+    }
+
+
+    private DataColumn getDataColumn(int column){
+        return table.get_Columns().get_Item(column - 1);
+    }
+}