/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ #import "CMISAtomPubNavigationService.h" #import "CMISAtomPubBaseService+Protected.h" #import "CMISAtomFeedParser.h" #import "CMISHttpResponse.h" #import "CMISErrors.h" #import "CMISURLUtil.h" #import "CMISObjectList.h" #import "CMISLog.h" @implementation CMISAtomPubNavigationService - (CMISRequest*)retrieveChildren:(NSString *)objectId orderBy:(NSString *)orderBy filter:(NSString *)filter relationships:(CMISIncludeRelationship)relationships renditionFilter:(NSString *)renditionFilter includeAllowableActions:(BOOL)includeAllowableActions includePathSegment:(BOOL)includePathSegment skipCount:(NSNumber *)skipCount maxItems:(NSNumber *)maxItems completionBlock:(void (^)(CMISObjectList *objectList, NSError *error))completionBlock { // Get Down link CMISRequest *request = [[CMISRequest alloc] init]; [self loadLinkForObjectId:objectId relation:kCMISLinkRelationDown type:kCMISMediaTypeChildren cmisRequest:request completionBlock:^(NSString *downLink, NSError *error) { if (error) { CMISLogError(@"Could not retrieve down link: %@", error.description); completionBlock(nil, error); return; } // Add optional params (CMISUrlUtil will not append if the param name or value is nil) downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterFilter value:filter urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterOrderBy value:orderBy urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeAllowableActions value:(includeAllowableActions ? @"true" : @"false") urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeRelationships value:[CMISEnums stringForIncludeRelationShip:relationships] urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterRenditionFilter value:renditionFilter urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludePathSegment value:(includePathSegment ? @"true" : @"false") urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterMaxItems value:[maxItems stringValue] urlString:downLink]; downLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterSkipCount value:[skipCount stringValue] urlString:downLink]; // execute the request [self.bindingSession.networkProvider invokeGET:[NSURL URLWithString:downLink] session:self.bindingSession cmisRequest:request completionBlock:^(CMISHttpResponse *httpResponse, NSError *error) { if (httpResponse) { if (httpResponse.data == nil) { NSError *error = [CMISErrors createCMISErrorWithCode:kCMISErrorCodeConnection detailedDescription:nil]; completionBlock(nil, error); return; } // Parse the feed (containing entries for the children) you get back CMISAtomFeedParser *parser = [[CMISAtomFeedParser alloc] initWithData:httpResponse.data]; NSError *internalError = nil; if ([parser parseAndReturnError:&internalError]) { NSString *nextLink = [parser.linkRelations linkHrefForRel:kCMISLinkRelationNext]; CMISObjectList *objectList = [[CMISObjectList alloc] init]; objectList.hasMoreItems = (nextLink != nil); objectList.numItems = parser.numItems; objectList.objects = parser.entries; completionBlock(objectList, nil); } else { NSError *error = [CMISErrors cmisError:internalError cmisErrorCode:kCMISErrorCodeRuntime]; completionBlock(nil, error); } } else { completionBlock(nil, error); } }]; }]; return request; } - (CMISRequest*)retrieveParentsForObject:(NSString *)objectId filter:(NSString *)filter relationships:(CMISIncludeRelationship)relationships renditionFilter:(NSString *)renditionFilter includeAllowableActions:(BOOL)includeAllowableActions includeRelativePathSegment:(BOOL)includeRelativePathSegment completionBlock:(void (^)(NSArray *parents, NSError *error))completionBlock { // Get up link CMISRequest *request = [[CMISRequest alloc] init]; [self loadLinkForObjectId:objectId relation:kCMISLinkRelationUp cmisRequest:request completionBlock:^(NSString *upLink, NSError *error) { if (upLink == nil) { CMISLogError(@"Failing because the NSString upLink is nil"); completionBlock([NSArray array], nil); // TODO: shouldn't this return an error if the log talks about 'failing'? return; } // Add optional parameters if (filter != nil) { upLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterFilter value:filter urlString:upLink]; } upLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeAllowableActions value:(includeAllowableActions ? @"true" : @"false") urlString:upLink]; upLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeRelationships value:[CMISEnums stringForIncludeRelationShip:relationships] urlString:upLink]; if (renditionFilter != nil) { upLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterRenditionFilter value:renditionFilter urlString:upLink]; } upLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterRelativePathSegment value:(includeRelativePathSegment ? @"true" : @"false") urlString:upLink]; [self.bindingSession.networkProvider invokeGET:[NSURL URLWithString:upLink] session:self.bindingSession cmisRequest:request completionBlock:^(CMISHttpResponse *httpResponse, NSError *error) { if (httpResponse) { CMISAtomFeedParser *parser = [[CMISAtomFeedParser alloc] initWithData:httpResponse.data]; NSError *internalError; if (![parser parseAndReturnError:&internalError]) { NSError *error = [CMISErrors cmisError:internalError cmisErrorCode:kCMISErrorCodeRuntime]; CMISLogError(@"Failing because parsing the Atom Feed XML returns an error"); completionBlock([NSArray array], error); } else { completionBlock(parser.entries, nil); } } else { CMISLogError(@"Failing because the invokeGET returns an error"); completionBlock([NSArray array], error); } }]; }]; return request; } - (CMISRequest*)retrieveCheckedOutDocumentsInFolder:(NSString *)folderId orderBy:(NSString *)orderBy filter:(NSString *)filter relationships:(CMISIncludeRelationship)relationships renditionFilter:(NSString *)renditionFilter includeAllowableActions:(BOOL)includeAllowableActions skipCount:(NSNumber *)skipCount maxItems:(NSNumber *)maxItems completionBlock:(void (^)(CMISObjectList *objectList, NSError *error))completionBlock { // Get checked out link NSString *checkedoutLink = [self.bindingSession objectForKey:kCMISAtomBindingSessionKeyCheckedoutCollection]; if (checkedoutLink == nil) { CMISLogDebug(@"Checkedout not supported!"); completionBlock(nil, [CMISErrors createCMISErrorWithCode:kCMISErrorCodeNotSupported detailedDescription:nil]); return nil; } // add the parameters to the URL (CMISUrlUtil will not append if the param name or value is nil) checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterFolderId value:folderId urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterFilter value:filter urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterOrderBy value:orderBy urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeAllowableActions value:(includeAllowableActions ? @"true" : @"false") urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterIncludeRelationships value:[CMISEnums stringForIncludeRelationShip:relationships] urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterRenditionFilter value:renditionFilter urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterMaxItems value:[maxItems stringValue] urlString:checkedoutLink]; checkedoutLink = [CMISURLUtil urlStringByAppendingParameter:kCMISParameterSkipCount value:[skipCount stringValue] urlString:checkedoutLink]; // retrieve the list CMISRequest *request = [[CMISRequest alloc] init]; [self.bindingSession.networkProvider invokeGET:[NSURL URLWithString:checkedoutLink] session:self.bindingSession cmisRequest:request completionBlock:^(CMISHttpResponse *httpResponse, NSError *error) { if (httpResponse) { if (httpResponse.data == nil) { NSError *error = [CMISErrors createCMISErrorWithCode:kCMISErrorCodeConnection detailedDescription:nil]; completionBlock(nil, error); return; } // Parse the feed (containing entries for the documents) CMISAtomFeedParser *parser = [[CMISAtomFeedParser alloc] initWithData:httpResponse.data]; NSError *internalError = nil; if ([parser parseAndReturnError:&internalError]) { NSString *nextLink = [parser.linkRelations linkHrefForRel:kCMISLinkRelationNext]; CMISObjectList *objectList = [[CMISObjectList alloc] init]; objectList.hasMoreItems = (nextLink != nil); objectList.numItems = parser.numItems; objectList.objects = parser.entries; completionBlock(objectList, nil); } else { NSError *error = [CMISErrors cmisError:internalError cmisErrorCode:kCMISErrorCodeRuntime]; completionBlock(nil, error); } } else { completionBlock(nil, error); } }]; return request; } @end