root / asi-http-request-with-pithos / Classes / CloudFiles / ASICloudFilesObjectRequest.m @ cc176feb
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// |
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// ASICloudFilesObjectRequest.m |
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// |
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// Created by Michael Mayo on 1/6/10. |
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// |
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#import "ASICloudFilesObjectRequest.h" |
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#import "ASICloudFilesObject.h" |
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@implementation ASICloudFilesObjectRequest |
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@synthesize currentElement, currentContent, currentObject; |
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@synthesize accountName, containerName; |
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#pragma mark - |
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#pragma mark Constructors |
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+ (id)storageRequestWithMethod:(NSString *)method containerName:(NSString *)containerName {
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NSString *urlString = [NSString stringWithFormat:@"%@/%@", [ASICloudFilesRequest storageURL], containerName]; |
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ASICloudFilesObjectRequest *request = [[[ASICloudFilesObjectRequest alloc] initWithURL:[NSURL URLWithString:urlString]] autorelease]; |
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[request setRequestMethod:method]; |
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[request addRequestHeader:@"X-Auth-Token" value:[ASICloudFilesRequest authToken]]; |
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request.containerName = containerName; |
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return request; |
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} |
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+ (id)storageRequestWithMethod:(NSString *)method containerName:(NSString *)containerName queryString:(NSString *)queryString {
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NSString *urlString = [NSString stringWithFormat:@"%@/%@%@", [ASICloudFilesRequest storageURL], containerName, queryString]; |
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ASICloudFilesObjectRequest *request = [[[ASICloudFilesObjectRequest alloc] initWithURL:[NSURL URLWithString:urlString]] autorelease]; |
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[request setRequestMethod:method]; |
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[request addRequestHeader:@"X-Auth-Token" value:[ASICloudFilesRequest authToken]]; |
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request.containerName = containerName; |
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return request; |
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} |
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+ (id)storageRequestWithMethod:(NSString *)method containerName:(NSString *)containerName objectPath:(NSString *)objectPath {
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NSString *urlString = [NSString stringWithFormat:@"%@/%@/%@", [ASICloudFilesRequest storageURL], containerName, objectPath]; |
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ASICloudFilesObjectRequest *request = [[[ASICloudFilesObjectRequest alloc] initWithURL:[NSURL URLWithString:urlString]] autorelease]; |
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[request setRequestMethod:method]; |
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[request addRequestHeader:@"X-Auth-Token" value:[ASICloudFilesRequest authToken]]; |
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request.containerName = containerName; |
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return request; |
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} |
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#pragma mark - |
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#pragma mark HEAD - Container Info |
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+ (id)containerInfoRequest:(NSString *)containerName {
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"HEAD" containerName:containerName]; |
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return request; |
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} |
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- (NSUInteger)containerObjectCount {
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return [[[self responseHeaders] objectForKey:@"X-Container-Object-Count"] intValue]; |
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} |
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- (NSUInteger)containerBytesUsed {
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return [[[self responseHeaders] objectForKey:@"X-Container-Bytes-Used"] intValue]; |
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} |
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#pragma mark - |
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#pragma mark HEAD - Object Info |
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+ (id)objectInfoRequest:(NSString *)containerName objectPath:(NSString *)objectPath {
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"HEAD" containerName:containerName objectPath:objectPath]; |
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return request; |
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} |
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#pragma mark - |
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#pragma mark GET - List Objects |
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+ (NSString *)queryStringWithContainer:(NSString *)container limit:(NSUInteger)limit marker:(NSString *)marker prefix:(NSString *)prefix path:(NSString *)path {
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NSString *queryString = @"?format=xml"; |
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if (limit && limit > 0) {
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&limit=%i", limit]]; |
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} |
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if (marker) {
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&marker=%@", [marker stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]]; |
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} |
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if (path) {
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&path=%@", [path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]]; |
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} |
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return queryString; |
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} |
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+ (id)listRequestWithContainer:(NSString *)containerName limit:(NSUInteger)limit marker:(NSString *)marker prefix:(NSString *)prefix path:(NSString *)path {
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NSString *queryString = [ASICloudFilesObjectRequest queryStringWithContainer:containerName limit:limit marker:marker prefix:prefix path:path]; |
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"GET" containerName:containerName queryString:queryString]; |
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return request; |
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} |
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+ (id)listRequestWithContainer:(NSString *)containerName {
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return [ASICloudFilesObjectRequest listRequestWithContainer:containerName limit:0 marker:nil prefix:nil path:nil]; |
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} |
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- (NSArray *)objects {
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if (objects) {
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return objects; |
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} |
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objects = [[[NSMutableArray alloc] init] autorelease]; |
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NSXMLParser *parser = [[[NSXMLParser alloc] initWithData:[self responseData]] autorelease]; |
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[parser setDelegate:self]; |
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[parser setShouldProcessNamespaces:NO]; |
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[parser setShouldReportNamespacePrefixes:NO]; |
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[parser setShouldResolveExternalEntities:NO]; |
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[parser parse]; |
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return objects; |
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} |
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#pragma mark - |
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#pragma mark GET - Retrieve Object |
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+ (id)getObjectRequestWithContainer:(NSString *)containerName objectPath:(NSString *)objectPath {
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return [ASICloudFilesObjectRequest storageRequestWithMethod:@"GET" containerName:containerName objectPath:objectPath]; |
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} |
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- (ASICloudFilesObject *)object {
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ASICloudFilesObject *object = [ASICloudFilesObject object]; |
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NSString *path = [self url].path; |
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NSRange range = [path rangeOfString:self.containerName]; |
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path = [path substringFromIndex:range.location + range.length + 1]; |
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object.name = path; |
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object.hash = [[self responseHeaders] objectForKey:@"ETag"]; |
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object.bytes = [[[self responseHeaders] objectForKey:@"Content-Length"] intValue]; |
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object.contentType = [[self responseHeaders] objectForKey:@"Content-Type"]; |
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object.lastModified = [[self responseHeaders] objectForKey:@"Last-Modified"]; |
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object.metadata = [NSMutableDictionary dictionary]; |
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for (NSString *key in [[self responseHeaders] keyEnumerator]) {
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NSRange metaRange = [key rangeOfString:@"X-Object-Meta-"]; |
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if (metaRange.location == 0) {
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[object.metadata setObject:[[self responseHeaders] objectForKey:key] forKey:[key substringFromIndex:metaRange.length]]; |
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} |
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} |
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object.data = [self responseData]; |
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return object; |
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} |
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#pragma mark - |
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#pragma mark PUT - Upload Object |
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+ (id)putObjectRequestWithContainer:(NSString *)containerName object:(ASICloudFilesObject *)object {
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return [self putObjectRequestWithContainer:containerName objectPath:object.name contentType:object.contentType objectData:object.data metadata:object.metadata etag:nil]; |
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} |
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+ (id)putObjectRequestWithContainer:(NSString *)containerName objectPath:(NSString *)objectPath contentType:(NSString *)contentType objectData:(NSData *)objectData metadata:(NSDictionary *)metadata etag:(NSString *)etag {
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"PUT" containerName:containerName objectPath:objectPath]; |
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[request addRequestHeader:@"Content-Type" value:contentType]; |
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// add metadata to headers |
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if (metadata) {
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for (NSString *key in [metadata keyEnumerator]) {
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[request addRequestHeader:[NSString stringWithFormat:@"X-Object-Meta-%@", key] value:[metadata objectForKey:key]]; |
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} |
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} |
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[request appendPostData:objectData]; |
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return request; |
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} |
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+ (id)putObjectRequestWithContainer:(NSString *)containerName objectPath:(NSString *)objectPath contentType:(NSString *)contentType file:(NSString *)filePath metadata:(NSDictionary *)metadata etag:(NSString *)etag |
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{
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"PUT" containerName:containerName objectPath:objectPath]; |
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[request addRequestHeader:@"Content-Type" value:contentType]; |
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// add metadata to headers |
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if (metadata) {
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for (NSString *key in [metadata keyEnumerator]) {
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[request addRequestHeader:[NSString stringWithFormat:@"X-Object-Meta-%@", key] value:[metadata objectForKey:key]]; |
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} |
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} |
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[request setShouldStreamPostDataFromDisk:YES]; |
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[request setPostBodyFilePath:filePath]; |
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return request; |
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} |
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#pragma mark - |
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#pragma mark POST - Set Object Metadata |
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+ (id)postObjectRequestWithContainer:(NSString *)containerName object:(ASICloudFilesObject *)object {
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return [self postObjectRequestWithContainer:containerName objectPath:object.name metadata:object.metadata]; |
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} |
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+ (id)postObjectRequestWithContainer:(NSString *)containerName objectPath:(NSString *)objectPath metadata:(NSDictionary *)metadata {
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"POST" containerName:containerName objectPath:objectPath]; |
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// add metadata to headers |
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if (metadata) {
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for (NSString *key in [metadata keyEnumerator]) {
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[request addRequestHeader:[NSString stringWithFormat:@"X-Object-Meta-%@", key] value:[metadata objectForKey:key]]; |
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} |
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} |
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return request; |
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} |
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#pragma mark - |
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#pragma mark DELETE - Delete Object |
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+ (id)deleteObjectRequestWithContainer:(NSString *)containerName objectPath:(NSString *)objectPath {
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ASICloudFilesObjectRequest *request = [ASICloudFilesObjectRequest storageRequestWithMethod:@"DELETE" containerName:containerName objectPath:objectPath]; |
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return request; |
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} |
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#pragma mark - |
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#pragma mark XML Parser Delegate |
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- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict {
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[self setCurrentElement:elementName]; |
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if ([elementName isEqualToString:@"object"]) {
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[self setCurrentObject:[ASICloudFilesObject object]]; |
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} |
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[self setCurrentContent:@""]; |
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} |
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- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
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if ([elementName isEqualToString:@"name"]) {
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[self currentObject].name = [self currentContent]; |
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} else if ([elementName isEqualToString:@"hash"]) {
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[self currentObject].hash = [self currentContent]; |
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} else if ([elementName isEqualToString:@"bytes"]) {
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[self currentObject].bytes = [[self currentContent] intValue]; |
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} else if ([elementName isEqualToString:@"content_type"]) {
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[self currentObject].contentType = [self currentContent]; |
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} else if ([elementName isEqualToString:@"last_modified"]) {
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[self currentObject].lastModified = [self dateFromString:[self currentContent]]; |
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} else if ([elementName isEqualToString:@"object"]) {
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// we're done with this object. time to move on to the next |
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[objects addObject:currentObject]; |
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[self setCurrentObject:nil]; |
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} |
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} |
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- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
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[self setCurrentContent:[[self currentContent] stringByAppendingString:string]]; |
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} |
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#pragma mark - |
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#pragma mark Memory Management |
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- (void)dealloc {
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[currentElement release]; |
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[currentContent release]; |
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[currentObject release]; |
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[accountName release]; |
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[containerName release]; |
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[super dealloc]; |
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} |
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@end |