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//
// System.Web.UI.WebControls.SettingsBase.cs
//
// Authors:
// Chris Toshok (toshok@ximian.com)
//
// (C) 2005 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;
namespace System.Configuration
{
public abstract class SettingsBase
{
protected SettingsBase ()
{
}
public void Initialize (SettingsContext context,
SettingsPropertyCollection properties,
SettingsProviderCollection providers)
{
this.context = context;
this.properties = properties;
this.providers = providers;
// values do not seem to be reset here!! (otherwise one of the SettingsBaseTest will fail)
}
public virtual void Save ()
{
if (sync)
lock (this)
SaveCore ();
else
SaveCore ();
}
void SaveCore ()
{
//
// Copied from ApplicationSettingsBase
//
#if (CONFIGURATION_DEP)
/* ew.. this needs to be more efficient */
foreach (SettingsProvider provider in Providers) {
SettingsPropertyValueCollection cache = new SettingsPropertyValueCollection ();
foreach (SettingsPropertyValue val in PropertyValues) {
if (val.Property.Provider == provider)
cache.Add (val);
}
if (cache.Count > 0)
provider.SetPropertyValues (Context, cache);
}
#endif
}
public static SettingsBase Synchronized (SettingsBase settingsBase)
{
settingsBase.sync = true;
return settingsBase;
}
public virtual SettingsContext Context {
get { return context; }
}
[Browsable (false)]
public bool IsSynchronized {
get { return sync; }
}
public virtual object this [ string propertyName ] {
get
{
if (sync)
lock (this) {
return GetPropertyValue (propertyName);
}
else
return GetPropertyValue (propertyName);
}
set
{
if (sync)
lock (this) {
SetPropertyValue (propertyName, value);
}
else
SetPropertyValue (propertyName, value);
}
}
public virtual SettingsPropertyCollection Properties {
get {
// It seems that Properties.IsSynchronized is
// nothing to do with this.IsSynchronized.
return properties;
}
}
public virtual SettingsPropertyValueCollection PropertyValues {
get {
if (sync) {
lock (this) {
return values;
}
} else {
return values;
}
}
}
public virtual SettingsProviderCollection Providers {
get {
return providers;
}
}
object GetPropertyValue (string propertyName)
{
SettingsProperty prop = null;
if (Properties == null || (prop = Properties [propertyName]) == null)
throw new SettingsPropertyNotFoundException (
string.Format ("The settings property '{0}' was not found", propertyName));
if (values [propertyName] == null)
foreach (SettingsPropertyValue v in prop.Provider.GetPropertyValues (Context, Properties))
values.Add (v);
return PropertyValues [propertyName].PropertyValue;
}
void SetPropertyValue (string propertyName, object value)
{
SettingsProperty prop = null;
if (Properties == null || (prop = Properties [propertyName]) == null)
throw new SettingsPropertyNotFoundException (
string.Format ("The settings property '{0}' was not found", propertyName));
if (prop.IsReadOnly)
throw new SettingsPropertyIsReadOnlyException (
string.Format ("The settings property '{0}' is read only", propertyName));
if (prop.PropertyType != value.GetType ())
throw new SettingsPropertyWrongTypeException (
string.Format ("The value supplied is of a type incompatible with the settings property '{0}'", propertyName));
PropertyValues [propertyName].PropertyValue = value;
}
bool sync;
SettingsContext context;
SettingsPropertyCollection properties;
SettingsProviderCollection providers;
SettingsPropertyValueCollection values = new SettingsPropertyValueCollection ();
}
}
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