/MapView/Map/RMConfiguration.m

 1//
 2//  RMConfiguration.m
 3//
 4// Copyright (c) 2008-2009, Route-Me Contributors
 5// All rights reserved.
 6//
 7// Redistribution and use in source and binary forms, with or without
 8// modification, are permitted provided that the following conditions are met:
 9//
10// * Redistributions of source code must retain the above copyright notice, this
11//   list of conditions and the following disclaimer.
12// * Redistributions in binary form must reproduce the above copyright notice,
13//   this list of conditions and the following disclaimer in the documentation
14//   and/or other materials provided with the distribution.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26// POSSIBILITY OF SUCH DAMAGE.
27
28#import "RMConfiguration.h"
29
30static RMConfiguration* RMConfigurationSharedInstance = nil;
31
32@implementation RMConfiguration
33
34+ (RMConfiguration*) configuration
35{
36	
37	@synchronized (RMConfigurationSharedInstance) {
38		if (RMConfigurationSharedInstance != nil) return RMConfigurationSharedInstance;
39	
40		/// \bug magic string literals
41		RMConfigurationSharedInstance = [[RMConfiguration alloc] 
42										 initWithPath: [[NSBundle mainBundle] pathForResource:@"routeme" ofType:@"plist"]];
43
44		return RMConfigurationSharedInstance;
45	}
46	return nil;
47}
48
49
50- (RMConfiguration*) initWithPath: (NSString*) path
51{
52	self = [super init];
53	
54	if (self==nil) return nil;
55	
56	NSData *plistData;
57	NSString *error;
58	NSPropertyListFormat format;
59
60	if (path==nil) 
61	{
62		propList = nil;
63		return self;
64	}
65	
66	RMLog(@"reading configuration from %@", path);	
67	plistData = [NSData dataWithContentsOfFile:path];
68
69	propList = [[NSPropertyListSerialization 
70					propertyListFromData:plistData
71					mutabilityOption:NSPropertyListImmutable
72					format:&format
73					errorDescription:&error] retain];
74
75	if(!propList)
76	{
77		RMLog(@"problem reading from %@: %@", path, error);
78		[error release];
79	}
80
81	return self;
82}
83	
84
85- (void) dealloc
86{
87	[propList release];
88	[super dealloc];
89}
90
91
92- (NSDictionary*) cacheConfiguration
93{
94	if (propList==nil) return nil;
95	/// \bug magic string literals
96	return [propList objectForKey: @"caches"];
97}
98
99@end