/mcs/class/System.Data/System.Data.Common/DataColumnMappingCollection.cs
C# | 338 lines | 258 code | 46 blank | 34 comment | 27 complexity | a4fe4a2e8559d11efec06268c5ac7167 MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // System.Data.Common.DataColumnMappingCollection
- //
- // Authors:
- // Rodrigo Moya (rodrigo@ximian.com)
- // Tim Coleman (tim@timcoleman.com)
- //
- // (C) Ximian, Inc
- // Copyright (C) Tim Coleman, 2002-2003
- //
- //
- // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System;
- using System.Collections;
- using System.ComponentModel;
- using System.Data;
- namespace System.Data.Common
- {
- public sealed class DataColumnMappingCollection : MarshalByRefObject, IColumnMappingCollection , IList, ICollection, IEnumerable
- {
- #region Fields
- readonly ArrayList list;
- readonly Hashtable sourceColumns;
- readonly Hashtable dataSetColumns;
- #endregion // Fields
- #region Constructors
- public DataColumnMappingCollection ()
- {
- list = new ArrayList ();
- sourceColumns = new Hashtable ();
- dataSetColumns = new Hashtable ();
- }
- #endregion // Constructors
- #region Properties
- [Browsable (false)]
- #if !NET_2_0
- [DataSysDescription ("The number of items in the collection")]
- #endif
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public int Count {
- get { return list.Count; }
- }
- [Browsable (false)]
- #if !NET_2_0
- [DataSysDescription ("The specified DataColumnMapping object.")]
- #endif
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public DataColumnMapping this [int index] {
- get { return (DataColumnMapping)(list[index]); }
- set {
- DataColumnMapping mapping = (DataColumnMapping)(list[index]);
- sourceColumns[mapping] = value;
- dataSetColumns[mapping] = value;
- list[index] = value;
- }
- }
- [Browsable (false)]
- #if !NET_2_0
- [DataSysDescription ("The specified DataColumnMapping object.")]
- #endif
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public DataColumnMapping this [string sourceColumn] {
- get {
- if (!Contains(sourceColumn))
- throw new IndexOutOfRangeException("DataColumnMappingCollection doesn't contain DataColumnMapping with SourceColumn '" + sourceColumn + "'.");
- return (DataColumnMapping) sourceColumns [sourceColumn];
- }
- set {
- this [list.IndexOf (sourceColumns [sourceColumn])] = value;
- }
- }
- object ICollection.SyncRoot {
- get { return list.SyncRoot; }
- }
- bool ICollection.IsSynchronized {
- get { return list.IsSynchronized; }
- }
- object IColumnMappingCollection.this [string index] {
- get { return this [index]; }
- set {
- if (!(value is DataColumnMapping))
- throw new ArgumentException ();
- this [index] = (DataColumnMapping) value;
- }
- }
- object IList.this [int index] {
- get { return this [index]; }
- set {
- if (!(value is DataColumnMapping))
- throw new ArgumentException ();
- this [index] = (DataColumnMapping) value;
- }
- }
- bool IList.IsReadOnly {
- get { return false; }
- }
- bool IList.IsFixedSize {
- get { return false; }
- }
-
- #endregion // Properties
- #region Methods
- public int Add (object value)
- {
- if (!(value is DataColumnMapping))
- throw new InvalidCastException ();
- list.Add (value);
- sourceColumns [((DataColumnMapping) value).SourceColumn] = value;
- dataSetColumns [((DataColumnMapping )value).DataSetColumn] = value;
- return list.IndexOf (value);
- }
- public DataColumnMapping Add (string sourceColumn, string dataSetColumn)
- {
- DataColumnMapping mapping = new DataColumnMapping (sourceColumn, dataSetColumn);
- Add (mapping);
- return mapping;
- }
- #if NET_2_0
- public void AddRange (Array values)
- {
- for (int i = 0; i < values.Length; ++i)
- Add (values.GetValue (i));
- }
- #endif
- public void AddRange (DataColumnMapping[] values)
- {
- foreach (DataColumnMapping mapping in values)
- Add (mapping);
- }
- public void Clear ()
- {
- list.Clear ();
- }
- public bool Contains (object value)
- {
- if (!(value is DataColumnMapping))
- throw new InvalidCastException("Object is not of type DataColumnMapping");
- return (list.Contains (value));
- }
- public bool Contains (string value)
- {
- return (sourceColumns.Contains (value));
- }
- public void CopyTo (Array array, int index)
- {
- list.CopyTo (array,index);
- }
- #if NET_2_0
- public void CopyTo (DataColumnMapping [] array, int index)
- {
- list.CopyTo (array, index);
- }
- #endif
- public DataColumnMapping GetByDataSetColumn (string value)
- {
- // this should work case-insenstive.
- if (!(dataSetColumns [value] == null))
- return (DataColumnMapping) (dataSetColumns [value]);
- else {
- string lowcasevalue = value.ToLower ();
- object [] keyarray = new object [dataSetColumns.Count];
- dataSetColumns.Keys.CopyTo (keyarray, 0);
- for (int i = 0; i < keyarray.Length; i++) {
- string temp = (string) keyarray [i];
- if (lowcasevalue.Equals (temp.ToLower ()))
- return (DataColumnMapping) (dataSetColumns [keyarray [i]]);
- }
- return null;
- }
- }
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public static DataColumnMapping GetColumnMappingBySchemaAction (DataColumnMappingCollection columnMappings, string sourceColumn, MissingMappingAction mappingAction)
- {
- if (columnMappings.Contains (sourceColumn))
- return columnMappings[sourceColumn];
- if (mappingAction == MissingMappingAction.Ignore)
- return null;
- if (mappingAction == MissingMappingAction.Error)
- throw new InvalidOperationException (String.Format ("Missing SourceColumn mapping for '{0}'", sourceColumn));
- return new DataColumnMapping (sourceColumn, sourceColumn);
- }
- #if NET_2_0
- [MonoTODO]
- [EditorBrowsable (EditorBrowsableState.Advanced)]
- public static DataColumn GetDataColumn (DataColumnMappingCollection columnMappings, string sourceColumn, Type dataType, DataTable dataTable, MissingMappingAction mappingAction, MissingSchemaAction schemaAction)
- {
- throw new NotImplementedException ();
- }
- #endif
- public IEnumerator GetEnumerator ()
- {
- return list.GetEnumerator ();
- }
- IColumnMapping IColumnMappingCollection.Add (string sourceColumnName, string dataSetColumnName)
- {
- return Add (sourceColumnName, dataSetColumnName);
- }
- IColumnMapping IColumnMappingCollection.GetByDataSetColumn (string dataSetColumnName)
- {
- return GetByDataSetColumn (dataSetColumnName);
- }
- public int IndexOf (object value)
- {
- return list.IndexOf (value);
- }
- public int IndexOf (string sourceColumn)
- {
- return list.IndexOf (sourceColumns [sourceColumn]);
- }
- public int IndexOfDataSetColumn (string dataSetColumn)
- {
- // this should work case-insensitive
- if (!(dataSetColumns [dataSetColumn] == null))
- return list.IndexOf (dataSetColumns [dataSetColumn]);
- else {
- string lowcasevalue = dataSetColumn.ToLower ();
- object [] keyarray = new object[dataSetColumns.Count];
- dataSetColumns.Keys.CopyTo (keyarray,0);
- for (int i = 0; i < keyarray.Length; i++) {
- string temp = (string) keyarray [i];
- if (lowcasevalue.Equals (temp.ToLower ()))
- return list.IndexOf (dataSetColumns [keyarray [i]]);
- }
- return -1;
- }
- }
- public void Insert (int index, object value)
- {
- list.Insert (index, value);
- sourceColumns [((DataColumnMapping) value).SourceColumn] = value;
- dataSetColumns [((DataColumnMapping) value).DataSetColumn] = value;
- }
- #if NET_2_0
- public void Insert (int index, DataColumnMapping value)
- {
- list.Insert (index, value);
- sourceColumns [value.SourceColumn] = value;
- dataSetColumns [value.DataSetColumn] = value;
- }
- #endif
- public void Remove (object value)
- {
- int index = list.IndexOf (value);
- sourceColumns.Remove (((DataColumnMapping) value).SourceColumn);
- dataSetColumns.Remove (((DataColumnMapping) value).DataSetColumn);
- if (index < 0 || index >=list.Count)
- throw new ArgumentException("There is no such element in collection.");
- list.Remove (value);
- }
- #if NET_2_0
- public void Remove (DataColumnMapping value)
- {
- int index = list.IndexOf (value);
- sourceColumns.Remove (value.SourceColumn);
- dataSetColumns.Remove (value.DataSetColumn);
- if ( index < 0 || index >=list.Count)
- throw new ArgumentException("There is no such element in collection.");
- list.Remove (value);
- }
- #endif
- public void RemoveAt (int index)
- {
- if (index < 0 || index >=list.Count)
- throw new IndexOutOfRangeException("There is no element in collection.");
- Remove (list [index]);
- }
- public void RemoveAt (string sourceColumn)
- {
- RemoveAt (list.IndexOf (sourceColumns [sourceColumn]));
- }
- #endregion // Methods
- }
- }