mirror of https://github.com/grpc/grpc.git
commit
8e1e22784d
14 changed files with 343 additions and 78 deletions
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR 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 USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#import <Foundation/Foundation.h> |
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#include <grpc/grpc.h> |
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#import "GRPCCall.h" |
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@interface GRPCRequestHeaders : NSObject<GRPCRequestHeaders> |
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@property(nonatomic, readonly) NSUInteger count; |
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@property(nonatomic, readonly) grpc_metadata *grpc_metadataArray; |
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- (instancetype)initWithCall:(GRPCCall *)call; |
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- (id)objectForKeyedSubscript:(NSString *)key; |
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- (void)setObject:(id)obj forKeyedSubscript:(NSString *)key; |
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- (void)removeAllObjects; |
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- (void)removeObjectForKey:(NSString *)key; |
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@end |
@ -0,0 +1,119 @@ |
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/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR 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 USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#import "GRPCRequestHeaders.h" |
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#import <Foundation/Foundation.h> |
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#import "GRPCCall.h" |
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#import "NSDictionary+GRPC.h" |
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// Used by the setter. |
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static void CheckIsNonNilASCII(NSString *name, NSString* value) { |
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if (!value) { |
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[NSException raise:NSInvalidArgumentException format:@"%@ cannot be nil", name]; |
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} |
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if (![value canBeConvertedToEncoding:NSASCIIStringEncoding]) { |
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[NSException raise:NSInvalidArgumentException |
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format:@"%@ %@ contains non-ASCII characters", name, value]; |
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} |
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} |
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// Precondition: key isn't nil. |
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static void CheckKeyValuePairIsValid(NSString *key, id value) { |
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if ([key hasSuffix:@"-bin"]) { |
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if (![value isKindOfClass:NSData.class]) { |
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[NSException raise:NSInvalidArgumentException |
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format:@"Expected NSData value for header %@ ending in \"-bin\", " |
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@"instead got %@", key, value]; |
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} |
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} else { |
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if (![value isKindOfClass:NSString.class]) { |
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[NSException raise:NSInvalidArgumentException |
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format:@"Expected NSString value for header %@ not ending in \"-bin\", " |
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@"instead got %@", key, value]; |
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} |
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CheckIsNonNilASCII(@"Text header value", (NSString *)value); |
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} |
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} |
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@implementation GRPCRequestHeaders { |
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__weak GRPCCall *_call; |
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NSMutableDictionary *_delegate; |
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} |
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- (instancetype)initWithCall:(GRPCCall *)call { |
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if ((self = [super init])) { |
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_call = call; |
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_delegate = [NSMutableDictionary dictionary]; |
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} |
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return self; |
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} |
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- (void)checkCallIsNotStarted { |
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if (_call.state != GRXWriterStateNotStarted) { |
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[NSException raise:@"Invalid modification" |
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format:@"Cannot modify request headers after call is started"]; |
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} |
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} |
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- (id)objectForKeyedSubscript:(NSString *)key { |
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return _delegate[key.lowercaseString]; |
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} |
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- (void)setObject:(id)obj forKeyedSubscript:(NSString *)key { |
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[self checkCallIsNotStarted]; |
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CheckIsNonNilASCII(@"Header name", key); |
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key = key.lowercaseString; |
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CheckKeyValuePairIsValid(key, obj); |
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_delegate[key] = obj; |
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} |
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- (void)removeObjectForKey:(NSString *)key { |
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[self checkCallIsNotStarted]; |
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[_delegate removeObjectForKey:key.lowercaseString]; |
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} |
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- (void)removeAllObjects { |
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[self checkCallIsNotStarted]; |
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[_delegate removeAllObjects]; |
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} |
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- (NSUInteger)count { |
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return _delegate.count; |
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} |
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- (grpc_metadata *)grpc_metadataArray { |
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return _delegate.grpc_metadataArray; |
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} |
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@end |
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