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AppCommand.m
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AppCommand.m
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//
// AppCommand.m
// Chase.Mobi
//
// Created by Pete Hodgson on 10/6/10.
// Copyright 2010 ThoughtWorks. See NOTICE file for details.
//
#import <Foundation/Foundation.h>
#import "AppCommand.h"
#import "UIQuery.h"
#import "JSON.h"
#import "Operation.h"
@implementation AppCommand
- (NSString *)handleCommandWithRequestBody:(NSString *)requestBody {
NSDictionary *requestCommand = [requestBody JSONValue];
NSDictionary *operationDict = [requestCommand objectForKey:@"operation"];
Operation *operation = [[[Operation alloc] initFromJsonRepresentation:operationDict] autorelease];
id <UIApplicationDelegate> appDelegate = [[UIApplication sharedApplication] delegate];
if( ![operation appliesToObject:appDelegate] )
{
return @"{ \"outcome\":\"ERROR\", \"reason\":\"operation doesn't apply\", \"details\":\"operation does not appear to be implemented in app delegate\"}";
}
@try {
[operation applyToObject:appDelegate];
}
@catch (NSException *e) {
NSLog( @"Exception while applying operation to app delegate:\n%@", e );
return [NSString stringWithFormat:@"{ \"outcome\":\"ERROR\", \"reason\":\"exception while executing operation\", \"details\":\"%@\"}", [e reason]];
}
// ignore results for now, and just assume success
return @"{\"outcome\":\"SUCCESS\"}";
}
@end