root / asi-http-request-with-pithos / Classes / Pithos / ASIPithosContainerRequest.m @ 40db2cf7
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// ASIPithosContainerRequest.m |
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// Based on ASICloudFilesContainerRequest.m |
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// |
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// Copyright 2011 GRNET S.A. All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or |
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// without modification, are permitted provided that the following |
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// conditions are met: |
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// |
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// 1. Redistributions of source code must retain the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer. |
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// |
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// 2. Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer in the documentation and/or other materials |
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// provided with the distribution. |
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// |
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// POSSIBILITY OF SUCH DAMAGE. |
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// |
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// The views and conclusions contained in the software and |
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// documentation are those of the authors and should not be |
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// interpreted as representing official policies, either expressed |
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// or implied, of GRNET S.A. |
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|
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#import "ASIPithosContainerRequest.h" |
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#import "ASIPithosContainer.h" |
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#import "ASIPithosObject.h" |
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|
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@implementation ASIPithosContainerRequest |
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@synthesize containerName; |
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@synthesize currentObject, currentKey; |
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|
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#pragma mark - |
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#pragma mark Constructors |
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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:@"%@/%@", [self storageURL], [self encodeToPercentEscape:containerName]]; |
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if (queryString) |
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urlString = [urlString stringByAppendingString:queryString]; |
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|
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ASIPithosContainerRequest *request = [[[self alloc] initWithURL:[NSURL URLWithString:urlString]] autorelease]; |
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[request setRequestMethod:method]; |
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[request addRequestHeader:@"X-Auth-Token" value:[self authToken]]; |
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request.containerName = containerName; |
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return request; |
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} |
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|
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+ (id)storageRequestWithMethod:(NSString *)method containerName:(NSString *)containerName {
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return [self storageRequestWithMethod:method containerName:containerName queryString:nil]; |
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} |
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|
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#pragma mark - |
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#pragma mark Memory Management |
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|
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- (void)dealloc {
|
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[currentKey release]; |
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[currentObject release]; |
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[objects release]; |
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[metadata release]; |
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[policy release]; |
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[containerName release]; |
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[super dealloc]; |
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} |
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|
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#pragma mark - |
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#pragma mark HEAD |
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|
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// HEAD storageURL/container |
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+ (id)containerMetadataRequestWithContainerName:(NSString *)containerName {
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return [self storageRequestWithMethod:@"HEAD" containerName:containerName]; |
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} |
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|
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// HEAD storageURL/container?[until=untilTimestamp] |
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+ (id)containerMetadataRequestWithContainerName:(NSString *)containerName until:(NSDate *)untilTimestamp {
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NSString *queryString = nil; |
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if (untilTimestamp) |
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queryString = [NSString stringWithFormat:@"?until=%d", (int)[untilTimestamp timeIntervalSince1970]]; |
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|
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return [self storageRequestWithMethod:@"HEAD" containerName:containerName queryString:queryString]; |
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} |
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|
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// HEAD storageURL/container?[until=untilTimestamp] [If-Modified-Since] |
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+ (id)containerMetadataRequestWithContainerName:(NSString *)containerName |
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until:(NSDate *)untilTimestamp |
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ifModifiedSince:(NSDate *)sinceTimestamp {
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ASIPithosContainerRequest *request = [self containerMetadataRequestWithContainerName:containerName until:untilTimestamp]; |
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[request addRequestIfModifiedSinceHeader:sinceTimestamp]; |
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return request; |
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} |
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|
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// HEAD storageURL/container?[until=untilTimestamp] [If-Unmodified-Since] |
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+ (id)containerMetadataRequestWithContainerName:(NSString *)containerName |
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until:(NSDate *)untilTimestamp |
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ifUnmodifiedSince:(NSDate *)sinceTimestamp {
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ASIPithosContainerRequest *request = [self containerMetadataRequestWithContainerName:containerName until:untilTimestamp]; |
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[request addRequestIfUnmodifiedSinceHeader:sinceTimestamp]; |
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return request; |
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} |
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|
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- (NSUInteger)objectCount {
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return [[[self responseHeaders] objectForKey:@"X-Container-Object-Count"] intValue]; |
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} |
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|
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- (NSUInteger)bytesUsed {
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return [[[self responseHeaders] objectForKey:@"X-Container-Bytes-Used"] intValue]; |
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} |
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|
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- (NSUInteger)blockSize {
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return [[[self responseHeaders] objectForKey:@"X-Container-Block-Size"] intValue]; |
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} |
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|
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- (NSString *)blockHash {
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return [[self responseHeaders] objectForKey:@"X-Container-Block-Hash"]; |
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} |
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|
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- (NSArray *)objectMeta {
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return [[self decodeFromPercentEscape:[[self responseHeaders] objectForKey:@"X-Container-Object-Meta"]] |
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componentsSeparatedByString:@","]; |
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} |
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|
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- (NSDate *)untilTimestamp {
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NSString *untilTimestampString = [[self responseHeaders] objectForKey:@"X-Container-Until-Timestamp"]; |
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if (untilTimestampString) |
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return [[self dateFormatterWithFormatId:1] dateFromString:untilTimestampString]; |
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return nil; |
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} |
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|
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- (NSDictionary *)policy {
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if (policy == nil) {
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policy = [self getHeadersDictionaryForPrefix:@"X-Container-Policy-"]; |
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[policy retain]; |
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} |
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return policy; |
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} |
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|
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- (NSDictionary *)metadata {
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if (metadata == nil) {
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metadata = [self getHeadersDictionaryForPrefix:@"X-Container-Meta-"]; |
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[metadata retain]; |
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} |
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return metadata; |
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} |
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|
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- (NSDate *)lastModified {
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NSString *lastModifiedString = [[self responseHeaders] objectForKey:@"Last-Modified"]; |
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if (lastModifiedString) |
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return [[self dateFormatterWithFormatId:1] dateFromString:lastModifiedString]; |
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return nil; |
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} |
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|
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- (ASIPithosContainer *)container {
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ASIPithosContainer *container = [ASIPithosContainer container]; |
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container.name = containerName; |
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container.count = [self objectCount]; |
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container.bytes = [self bytesUsed]; |
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container.lastModified = [self lastModified]; |
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container.untilTimestamp = [self untilTimestamp]; |
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container.policy = (NSMutableDictionary *)[self policy]; |
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container.metadata = (NSMutableDictionary *)[self metadata]; |
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container.blockSize = [self blockSize]; |
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container.blockHash = [self blockHash]; |
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container.objectMeta = (NSMutableArray *)[self objectMeta]; |
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return container; |
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} |
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|
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#pragma mark - |
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#pragma mark GET |
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|
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// GET storageURL/container |
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+ (id)listObjectsRequestWithContainerName:(NSString *)containerName {
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return [self storageRequestWithMethod:@"GET" containerName:containerName queryString:@"?format=xml"]; |
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} |
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|
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// GET storageURL?[limit=limit]&[marker=marker]&[prefix=prefix]&[delimiter=delimiter]&[path=path]&[meta=meta]&[shared=]&[until=untilTimestamp] |
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+ (id)listObjectsRequestWithContainerName:(NSString *)containerName |
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limit:(NSUInteger)limit |
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marker:(NSString *)marker |
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prefix:(NSString *)prefix |
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delimiter:(NSString *)delimiter |
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path:(NSString *)path |
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meta:(NSArray *)meta |
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shared:(BOOL)shared |
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until:(NSDate *)untilTimestamp {
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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=%lu", limit]]; |
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if (marker) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&marker=%@", [self encodeToPercentEscape:marker]]]; |
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if (prefix) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&prefix=%@", [self encodeToPercentEscape:prefix]]]; |
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if (delimiter) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&delimiter=%@", [self encodeToPercentEscape:delimiter]]]; |
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if (path) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&path=%@", [self encodeToPercentEscape:path]]]; |
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if (meta) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&meta=%@", [self encodeToPercentEscape:[meta componentsJoinedByString:@","]]]]; |
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if (shared) |
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queryString = [queryString stringByAppendingString:@"&shared="]; |
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if (untilTimestamp) |
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queryString = [queryString stringByAppendingString:[NSString stringWithFormat:@"&until=%d", (int)[untilTimestamp timeIntervalSince1970]]]; |
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|
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return [self storageRequestWithMethod:@"GET" containerName:containerName queryString:queryString]; |
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} |
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|
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// GET storageURL?[limit=limit]&[marker=marker]&[prefix=prefix]&[delimiter=delimiter]&[path=path]&[meta=meta]&[shared=]&[until=untilTimestamp] [If-Modified-Since] |
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+ (id)listObjectsRequestWithContainerName:(NSString *)containerName |
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limit:(NSUInteger)limit |
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marker:(NSString *)marker |
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prefix:(NSString *)prefix |
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delimiter:(NSString *)delimiter |
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path:(NSString *)path |
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meta:(NSArray *)meta |
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shared:(BOOL)shared |
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until:(NSDate *)untilTimestamp |
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ifModifiedSince:(NSDate *)sinceTimestamp {
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ASIPithosContainerRequest *request = [self listObjectsRequestWithContainerName:containerName |
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limit:limit |
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marker:marker |
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prefix:prefix |
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delimiter:delimiter |
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path:path |
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meta:meta |
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shared:shared |
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until:untilTimestamp]; |
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[request addRequestIfModifiedSinceHeader:sinceTimestamp]; |
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return request; |
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} |
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|
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// GET storageURL?[limit=limit]&[marker=marker]&[prefix=prefix]&[delimiter=delimiter]&[path=path]&[meta=meta]&[shared=]&[until=untilTimestamp] [If-Unmodified-Since] |
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+ (id)listObjectsRequestWithContainerName:(NSString *)containerName |
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limit:(NSUInteger)limit |
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marker:(NSString *)marker |
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prefix:(NSString *)prefix |
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delimiter:(NSString *)delimiter |
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path:(NSString *)path |
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meta:(NSArray *)meta |
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shared:(BOOL)shared |
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until:(NSDate *)untilTimestamp |
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ifUnmodifiedSince:(NSDate *)sinceTimestamp {
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ASIPithosContainerRequest *request = [self listObjectsRequestWithContainerName:containerName |
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limit:limit |
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marker:marker |
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prefix:prefix |
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delimiter:delimiter |
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path:path |
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meta:meta |
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shared:shared |
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until:untilTimestamp]; |
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[request addRequestIfUnmodifiedSinceHeader:sinceTimestamp]; |
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return request; |
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} |
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|
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|
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- (NSArray *)objects {
|
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if (objects == nil) {
|
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objects = [[NSMutableArray alloc] init]; |
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|
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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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} |
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return objects; |
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} |
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|
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#pragma mark - |
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#pragma mark PUT |
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|
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// PUT storageURL/container |
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+ (id)createOrUpdateContainerRequestWithContainerName:(NSString *)containerName {
|
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return [self storageRequestWithMethod:@"PUT" containerName:containerName]; |
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} |
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|
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// PUT storageURL/container [X-Container-Policy-*] [X-Container-Meta-*] |
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+ (id)createOrUpdateContainerRequestWithContainerName:(NSString *)containerName policy:(NSDictionary *)policy metadata:(NSDictionary *)metadata {
|
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ASIPithosContainerRequest *request = [self storageRequestWithMethod:@"PUT" containerName:containerName]; |
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|
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if (policy) {
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for (NSString *key in [policy keyEnumerator]) {
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[request addRequestHeader:[NSString stringWithFormat:@"X-Container-Policy-%@", key] value:[policy objectForKey:key]]; |
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} |
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} |
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|
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if (metadata) {
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for (NSString *key in [metadata keyEnumerator]) {
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[request addRequestHeader:[self encodeToPercentEscape:[NSString stringWithFormat:@"X-Container-Meta-%@", key]] |
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value:[self encodeToPercentEscape:[metadata objectForKey:key]]]; |
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} |
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} |
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|
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return request; |
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} |
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|
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#pragma mark - |
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#pragma mark POST |
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|
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// POST storageURL/container |
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+ (id)updateContainerMetadataRequestWithContainerName:(NSString *)containerName {
|
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return [self storageRequestWithMethod:@"POST" containerName:containerName]; |
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} |
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|
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// POST storageURL/container?[update=] [X-Container-Policy-*] [X-Container-Meta-*] |
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+ (id)updateContainerMetadataRequestWithContainerName:(NSString *)containerName |
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policy:(NSDictionary *)policy |
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metadata:(NSDictionary *)metadata |
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update:(BOOL)update {
|
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NSString *queryString = nil; |
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if (update) |
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queryString = @"?update="; |
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ASIPithosContainerRequest *request = [self storageRequestWithMethod:@"POST" |
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containerName:containerName |
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queryString:queryString]; |
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if (policy) {
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for (NSString *key in [policy keyEnumerator]) {
|
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[request addRequestHeader:[NSString stringWithFormat:@"X-Container-Policy-%@", key] value:[policy objectForKey:key]]; |
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} |
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} |
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|
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if (metadata) {
|
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for (NSString *key in [metadata keyEnumerator]) {
|
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[request addRequestHeader:[self encodeToPercentEscape:[NSString stringWithFormat:@"X-Container-Meta-%@", key]] |
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value:[self encodeToPercentEscape:[metadata objectForKey:key]]]; |
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} |
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} |
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|
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return request; |
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} |
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|
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// POST storageURL/container?[update=] [X-Container-Policy-*] [X-Container-Meta-*] (update data from ASIPithosObject with data) |
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+ (id)updateContainerDataRequestWithContainerName:(NSString *)containerName |
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policy:(NSDictionary *)policy |
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metadata:(NSDictionary *)metadata |
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update:(BOOL)update |
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object:(ASIPithosObject *)object {
|
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return [self updateContainerDataRequestWithContainerName:containerName |
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policy:policy |
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metadata:metadata |
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update:update |
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data:object.data]; |
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} |
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|
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// POST storageURL/container?[update=] [X-Container-Policy-*] [X-Container-Meta-*] (update data from NSData) |
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+ (id)updateContainerDataRequestWithContainerName:(NSString *)containerName |
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policy:(NSDictionary *)policy |
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metadata:(NSDictionary *)metadata |
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update:(BOOL)update |
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data:(NSData *)data {
|
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ASIPithosContainerRequest *request = [self updateContainerMetadataRequestWithContainerName:containerName |
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policy:policy |
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metadata:metadata |
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update:update]; |
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[request addRequestHeader:@"Content-Type" value:@"application/octet-stream"]; |
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[request appendPostData:data]; |
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return request; |
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} |
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|
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// POST storageURL/container?[update=] [X-Container-Policy-*] [X-Container-Meta-*] (update data from file) |
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+ (id)updateContainerDataRequestWithContainerName:(NSString *)containerName |
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policy:(NSDictionary *)policy |
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metadata:(NSDictionary *)metadata |
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update:(BOOL)update |
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file:(NSString *)filePath {
|
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ASIPithosContainerRequest *request = [self updateContainerMetadataRequestWithContainerName:containerName |
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policy:policy |
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metadata:metadata |
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update:update]; |
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[request addRequestHeader:@"Content-Type" value:@"application/octet-stream"]; |
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request.shouldStreamPostDataFromDisk = YES; |
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request.postBodyFilePath = filePath; |
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return request; |
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} |
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|
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#pragma mark - |
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#pragma mark DELETE |
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|
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// DELETE storageURL/container |
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+ (id)deleteContainerRequestWithContainerName:(NSString *)containerName {
|
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return [self storageRequestWithMethod:@"DELETE" containerName:containerName]; |
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} |
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|
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// DELETE storageURL/container?[until=untilTimestamp] |
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+ (id)deleteContainerRequestWithContainerName:(NSString *)containerName until:(NSDate *)untilTimestamp {
|
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NSString *queryString = nil; |
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if (untilTimestamp) |
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queryString = [NSString stringWithFormat:@"?until=%d", (int)[untilTimestamp timeIntervalSince1970]]; |
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return [self storageRequestWithMethod:@"DELETE" containerName:containerName queryString:queryString]; |
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} |
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|
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#pragma mark - |
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#pragma mark NSXMLParserDelegate |
| 405 |
|
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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.currentElement = elementName; |
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if ([elementName isEqualToString:@"object"]) {
|
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self.currentObject = [ASIPithosObject object]; |
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} else if ([elementName isEqualToString:@"subdir"]) {
|
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[objects addObject:[ASIPithosObject subdirWithName:[attributeDict valueForKey:@"name"]]]; |
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} else if ([elementName isEqualToString:@"x_object_meta"]) {
|
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if (currentObject.metadata == nil) |
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currentObject.metadata = [NSMutableDictionary dictionary]; |
| 415 |
} |
| 416 |
|
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self.currentContent = @""; |
| 418 |
} |
| 419 |
|
| 420 |
- (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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currentObject.name = currentContent; |
| 423 |
} else if ([elementName isEqualToString:@"hash"]) {
|
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currentObject.hash = currentContent; |
| 425 |
} else if ([elementName isEqualToString:@"x_object_hash"]) {
|
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currentObject.objectHash = currentContent; |
| 427 |
} else if ([elementName isEqualToString:@"bytes"]) {
|
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currentObject.bytes = [currentContent intValue]; |
| 429 |
} else if ([elementName isEqualToString:@"content_type"]) {
|
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currentObject.contentType = currentContent; |
| 431 |
} else if ([elementName isEqualToString:@"content_encoding"]) {
|
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currentObject.contentEncoding = currentContent; |
| 433 |
} else if ([elementName isEqualToString:@"content_disposition"]) {
|
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currentObject.contentDisposition = currentContent; |
| 435 |
} else if ([elementName isEqualToString:@"last_modified"]) {
|
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currentObject.lastModified = [[self dateFormatterWithFormatId:0] dateFromString: |
| 437 |
[currentContent stringByReplacingOccurrencesOfString:@":" |
| 438 |
withString:@"" |
| 439 |
options:NSBackwardsSearch |
| 440 |
range:NSMakeRange(([currentContent length] - 3), 1)]]; |
| 441 |
} else if ([elementName isEqualToString:@"x_object_version"]) {
|
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currentObject.version = currentContent; |
| 443 |
} else if ([elementName isEqualToString:@"x_object_version_timestamp"]) {
|
| 444 |
currentObject.versionTimestamp = [NSDate dateWithTimeIntervalSince1970:[currentContent doubleValue]]; |
| 445 |
} else if ([elementName isEqualToString:@"x_object_modified_by"]) {
|
| 446 |
currentObject.modifiedBy = currentContent; |
| 447 |
} else if ([elementName isEqualToString:@"x_object_manifest"]) {
|
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currentObject.manifest = currentContent; |
| 449 |
} else if ([elementName isEqualToString:@"x_object_sharing"]) {
|
| 450 |
currentObject.sharing = currentContent; |
| 451 |
} else if ([elementName isEqualToString:@"x_object_shared_by"]) {
|
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currentObject.sharedBy = currentContent; |
| 453 |
} else if ([elementName isEqualToString:@"x_object_public"]) {
|
| 454 |
currentObject.publicURI = currentContent; |
| 455 |
} else if ([elementName isEqualToString:@"key"]) {
|
| 456 |
self.currentKey = currentContent; |
| 457 |
} else if ([elementName isEqualToString:@"value"]) {
|
| 458 |
[currentObject.metadata setObject:currentContent forKey:currentKey]; |
| 459 |
self.currentKey = nil; |
| 460 |
} else if ([elementName isEqualToString:@"x_object_allowed_to"]) {
|
| 461 |
currentObject.allowedTo = currentContent; |
| 462 |
} else if ([elementName isEqualToString:@"object"]) {
|
| 463 |
[objects addObject:currentObject]; |
| 464 |
self.currentObject = nil; |
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
|
| 469 |
self.currentContent = [currentContent stringByAppendingString:string]; |
| 470 |
} |
| 471 |
|
| 472 |
@end |