2 // PithosLocalObjectState.m
5 // Copyright 2011 GRNET S.A. All rights reserved.
7 // Redistribution and use in source and binary forms, with or
8 // without modification, are permitted provided that the following
11 // 1. Redistributions of source code must retain the above
12 // copyright notice, this list of conditions and the following
15 // 2. Redistributions in binary form must reproduce the above
16 // copyright notice, this list of conditions and the following
17 // disclaimer in the documentation and/or other materials
18 // provided with the distribution.
20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 // POSSIBILITY OF SUCH DAMAGE.
33 // The views and conclusions contained in the software and
34 // documentation are those of the authors and should not be
35 // interpreted as representing official policies, either expressed
36 // or implied, of GRNET S.A.
38 #import "PithosLocalObjectState.h"
39 #import "PithosUtilities.h"
40 #import "HashMapHash.h"
42 @implementation PithosLocalObjectState
43 @synthesize filePath, isDirectory, exists, hash, tmpFilePath;
46 #pragma mark Object Lifecycle
48 - (id)initWithFile:(NSString *)aFilePath blockHash:(NSString *)blockHash blockSize:(NSUInteger)blockSize {
49 if ((self = [self init])) {
50 self.filePath = aFilePath;
51 if ([[NSFileManager defaultManager] fileExistsAtPath:filePath isDirectory:&isDirectory] && !isDirectory) {
52 self.hash = [HashMapHash calculateHashMapHash:[HashMapHash calculateObjectHashMap:aFilePath
53 withBlockHash:blockHash
54 andBlockSize:blockSize]];
60 - (id)initWithHash:(NSString *)aHash directory:(BOOL)anIsDirectory {
61 if ((self = [self init])) {
64 else if ([aHash length] == 64)
70 + (id)localObjectState {
71 return [[[self alloc] init] autorelease];
74 + (id)localObjectStateWithFile:(NSString *)aFilePath blockHash:(NSString *)blockHash blockSize:(NSUInteger)blockSize {
75 return [[[self alloc] initWithFile:aFilePath blockHash:blockHash blockSize:blockSize] autorelease];
78 + (id)localObjectStateWithHash:(NSString *)aHash directory:(BOOL)anIsDirectory {
79 return [[[self alloc] initWithHash:aHash directory:anIsDirectory] autorelease];
83 self.tmpFilePath = nil;
89 - (NSString *)description {
90 return [NSString stringWithFormat:@"hash: %@, filePath: %@, isDirectory: %d",
91 hash, filePath, isDirectory];
94 - (BOOL)isEqualToState:(PithosLocalObjectState *)aState {
96 // Object is a directory, check the other
97 return aState.isDirectory;
98 else if (aState.isDirectory)
99 // Object is not a directory, while the other is
101 else if (!self.exists)
102 // Object doesn't exist, check the other
103 return (!aState.exists);
104 else if (!aState.exists)
105 // Object exists, while the other doesn't
108 // Both objects exist, check that they have the same hash
109 return [self.hash isEqualToString:aState.hash];
113 #pragma mark Properties
115 - (void)setIsDirectory:(BOOL)anIsDirectory {
116 isDirectory = anIsDirectory;
119 self.tmpFilePath = nil;
123 - (void)setTmpFilePath:(NSString *)aTmpFilePath {
124 if (![tmpFilePath isEqualToString:aTmpFilePath]) {
126 NSFileManager *fileManager = [NSFileManager defaultManager];
127 if ([fileManager fileExistsAtPath:tmpFilePath]) {
128 NSError *error = nil;
129 if (![fileManager removeItemAtPath:tmpFilePath error:&error] || error)
130 [PithosUtilities fileActionFailedAlertWithTitle:@"Remove File Error"
131 message:[NSString stringWithFormat:@"Cannot remove file at '%@'", tmpFilePath]
135 [tmpFilePath release];
136 tmpFilePath = [aTmpFilePath retain];
141 return (isDirectory || hash);
144 - (void)setHash:(NSString *)aHash {
146 if ([aHash length] == 64)
147 hash = [aHash retain];
153 #pragma mark NSCoding
155 - (id)initWithCoder:(NSCoder *)decoder {
156 if ((self = [super init])) {
157 self.hash = [decoder decodeObjectForKey:@"hash"];
158 self.filePath = [decoder decodeObjectForKey:@"filePath"];
159 self.isDirectory = [decoder decodeBoolForKey:@"isDirectory"];
160 self.tmpFilePath = [decoder decodeObjectForKey:@"tmpFilePath"];
165 - (void)encodeWithCoder:(NSCoder *)encoder {
166 [encoder encodeObject:hash forKey:@"hash"];
167 [encoder encodeObject:filePath forKey:@"filePath"];
168 [encoder encodeBool:isDirectory forKey:@"isDirectory"];
169 [encoder encodeObject:tmpFilePath forKey:@"tmpFilePath"];