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cappuccino/AppKit/Cib/_CPCibClassSwapper.j
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/*
* _CPCibClassSwapper.j
* AppKit
*
* Created by Francisco Tolmasky.
* Copyright 2009, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import <Foundation/CPObject.j>
@import <Foundation/CPString.j>
var _CPCibClassSwapperClassNameKey = @"_CPCibClassSwapperClassNameKey",
_CPCibClassSwapperOriginalClassNameKey = @"_CPCibClassSwapperOriginalClassNameKey";
@implementation _CPCibClassSwapper : CPObject
{
}
+ (id)allocObjectWithCoder:(CPCoder)aCoder className:(CPString)aClassName
{
// FIXME: Also check class classForClassName:
var theClass = [aCoder classForClassName:aClassName];
if (!theClass)
{
theClass = objj_lookUpClass(aClassName);
if (!theClass)
return nil;
}
return [theClass alloc];
}
+ (id)allocWithCoder:(CPCoder)aCoder
{
if ([aCoder respondsToSelector:@selector(usesOriginalClasses)] && [aCoder usesOriginalClasses])
{
var theClassName = [aCoder decodeObjectForKey:_CPCibClassSwapperOriginalClassNameKey],
object = [self allocObjectWithCoder:aCoder className:theClassName];
}
else
{
var theClassName = [aCoder decodeObjectForKey:_CPCibClassSwapperClassNameKey],
object = [self allocObjectWithCoder:aCoder className:theClassName];
if (!object)
{
CPLog.error("Unable to find class " + theClassName + " referenced in cib file.");
object = [self allocObjectWithCoder:aCoder className:[aCoder decodeObjectForKey:_CPCibClassSwapperOriginalClassNameKey]];
}
}
if (!object)
[CPException raise:CPInvalidArgumentException reason:@"Unable to find class " + theClassName + " referenced in cib file."];
return object;
}
@end