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RKRouteSet.m
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RKRouteSet.m
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//
// RKRouteSet.m
// RestKit
//
// Created by Blake Watters on 5/31/12.
// Copyright (c) 2012 RestKit. All rights reserved.
//
// Licensed 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 "RKRouteSet.h"
#import "RKPathMatcher.h"
@interface RKRouteSet ()
@property (nonatomic, strong) NSMutableArray *routes;
@end
@implementation RKRouteSet
- (instancetype)init
{
self = [super init];
if (self) {
self.routes = [NSMutableArray array];
}
return self;
}
- (NSArray *)allRoutes
{
return [NSArray arrayWithArray:self.routes];
}
- (NSArray *)namedRoutes
{
NSMutableArray *routes = [NSMutableArray array];
for (RKRoute *route in self.routes) {
if ([route isNamedRoute]) [routes addObject:route];
}
return [NSArray arrayWithArray:routes];
}
- (NSArray *)classRoutes
{
NSMutableArray *routes = [NSMutableArray array];
for (RKRoute *route in self.routes) {
if ([route isClassRoute]) [routes addObject:route];
}
return [NSArray arrayWithArray:routes];
}
- (NSArray *)relationshipRoutes
{
NSMutableArray *routes = [NSMutableArray array];
for (RKRoute *route in self.routes) {
if ([route isRelationshipRoute]) [routes addObject:route];
}
return [NSArray arrayWithArray:routes];
}
- (void)addRoute:(RKRoute *)route
{
NSAssert(![self containsRoute:route], @"Cannot add a route that is already added to the router.");
NSAssert(![route isNamedRoute] || [self routeForName:route.name] == nil, @"Cannot add a route with the same name as an existing route.");
if ([route isClassRoute]) {
RKRoute *existingRoute = [self routeForClass:route.objectClass method:route.method];
if (! (existingRoute == nil || (existingRoute.method == RKRequestMethodAny && route.method != RKRequestMethodAny) || (route.method == RKRequestMethodAny && existingRoute.method != RKRequestMethodAny))) [NSException raise:NSInternalInconsistencyException format:@"Cannot add a route with the same class and method as an existing route."];
} else if ([route isRelationshipRoute]) {
NSArray *routes = [self routesForRelationship:route.name ofClass:route.objectClass];
for (RKRoute *existingRoute in routes) {
NSAssert(existingRoute.method != route.method, @"Cannot add a relationship route with the same name and class as an existing route.");
(void)existingRoute;
}
}
[self.routes addObject:route];
}
- (void)addRoutes:(NSArray *)routes
{
for (RKRoute *route in routes) {
if (! [route isKindOfClass:[RKRoute class]]) [NSException raise:NSInvalidArgumentException format:@"Unexpected object of type `%@` encountered in array of routes.", [route class]];
[self addRoute:route];
}
}
- (void)removeRoute:(RKRoute *)route
{
NSAssert([self containsRoute:route], @"Cannot remove a route that is not added to the router.");
[self.routes removeObject:route];
}
- (BOOL)containsRoute:(RKRoute *)route
{
return [self.routes containsObject:route];
}
- (RKRoute *)routeForName:(NSString *)name
{
for (RKRoute *route in [self namedRoutes]) {
if ([route.name isEqualToString:name]) {
return route;
}
}
return nil;
}
- (RKRoute *)routeForClass:(Class)objectClass method:(RKRequestMethod)method
{
// Check for an exact match
for (RKRoute *route in [self classRoutes]) {
if ([route.objectClass isEqual:objectClass] && (route.method != RKRequestMethodAny && route.method & method)) {
return route;
}
}
// Check for wildcard match
for (RKRoute *route in [self classRoutes]) {
if ([route.objectClass isEqual:objectClass] && route.method == RKRequestMethodAny) {
return route;
}
}
return nil;
}
- (RKRoute *)routeForRelationship:(NSString *)relationshipName ofClass:(Class)objectClass method:(RKRequestMethod)method
{
for (RKRoute *route in [self relationshipRoutes]) {
if ([route.name isEqualToString:relationshipName] && [route.objectClass isEqual:objectClass] && (route.method == method || route.method == RKRequestMethodAny)) {
return route;
}
}
return nil;
}
- (NSArray *)routesForClass:(Class)objectClass
{
NSMutableArray *routes = [NSMutableArray array];
for (RKRoute *route in [self classRoutes]) {
if ([route.objectClass isEqual:objectClass]) {
[routes addObject:route];
}
}
return [NSArray arrayWithArray:routes];
}
- (NSArray *)routesForObject:(id)object
{
NSMutableArray *routes = [NSMutableArray array];
for (RKRoute *route in [self classRoutes]) {
if ([object isKindOfClass:route.objectClass]) {
[routes addObject:route];
}
}
return [NSArray arrayWithArray:routes];
}
- (NSArray *)routesForRelationship:(NSString *)relationshipName ofClass:(Class)objectClass
{
NSIndexSet *indexes = [self.relationshipRoutes indexesOfObjectsPassingTest:^BOOL(id obj, NSUInteger idx, BOOL *stop) {
return [[(RKRoute *)obj objectClass] isEqual:objectClass] && [[(RKRoute *)obj name] isEqualToString:relationshipName];
}];
return [self.relationshipRoutes objectsAtIndexes:indexes];
}
- (RKRoute *)routeForObject:(id)object method:(RKRequestMethod)method
{
Class searchClass = [object class];
while (searchClass) {
NSArray *routes = [self routesForClass:searchClass];
RKRoute *wildcardRoute = nil;
RKRoute *bitMaskMatch = nil;
for (RKRoute *route in routes) {
if (route.method == method) return route;
// We want to favor bitmask matches separate from the Any wildcard match
if (route.method == RKRequestMethodAny) wildcardRoute = route;
else if (route.method & method) bitMaskMatch = route;
}
if (bitMaskMatch) return bitMaskMatch;
if (wildcardRoute) return wildcardRoute;
searchClass = [searchClass superclass];
}
return nil;
}
@end