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/*
* CPURLRequest.j
* Foundation
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

@import "CPDictionary.j"
@import "CPObject.j"
@import "CPString.j"
@import "CPURL.j"

/*!
@class CPURLRequest
@ingroup foundation
@brief Contains data obtained during a request made with CPURLConnection.

A helper object for CPURLConnection, that contains
data obtained during the life of a request.
*/
@implementation CPURLRequest : CPObject
{
    CPURL _URL;

    // FIXME: this should be CPData
    CPString _HTTPBody;
    CPString _HTTPMethod;
    CPDictionary _HTTPHeaderFields;
}

/*!
Creates a request with a specified URL.
@param aURL the URL of the request
@return a CPURLRequest
*/
+ (id)requestWithURL:(CPURL)aURL
{
    return [[CPURLRequest alloc] initWithURL:aURL];
}

/*!
Equal to `[receiver initWithURL:nil]`.
*/
- (id)init
{
    return [self initWithURL:nil];
}

/*!
Initializes the request with a URL. This is the designated initializer.

@param aURL the url to set
@return the initialized CPURLRequest
*/
- (id)initWithURL:(CPURL)aURL
{
    self = [super init];

    if (self)
    {
        [self setURL:aURL];

        _HTTPBody = @"";
        _HTTPMethod = @"GET";
        _HTTPHeaderFields = [CPDictionary dictionary];

        [self setValue:"Thu, 01 Jan 1970 00:00:00 GMT" forHTTPHeaderField:"If-Modified-Since"];
        [self setValue:"no-cache" forHTTPHeaderField:"Cache-Control"];
        [self setValue:"XMLHttpRequest" forHTTPHeaderField:"X-Requested-With"];
    }

    return self;
}

/*!
Returns the request URL
*/
- (CPURL)URL
{
    return _URL;
}

/*!
Sets the URL for this request.
@param aURL the new URL
*/
- (void)setURL:(CPURL)aURL
{
    // Lenient and accept strings.
    _URL = new CFURL(aURL);
}

/*!
Sets the HTTP body for this request
@param anHTTPBody the new HTTP body
*/
- (void)setHTTPBody:(CPString)anHTTPBody
{
    _HTTPBody = anHTTPBody;
}

/*!
Returns the request's http body.
*/
- (CPString)HTTPBody
{
    return _HTTPBody;
}

/*!
Sets the request's http method.
@param anHTPPMethod the new http method
*/
- (void)setHTTPMethod:(CPString)anHTTPMethod
{
    _HTTPMethod = anHTTPMethod;
}

/*!
Returns the request's http method
*/
- (CPString)HTTPMethod
{
    return _HTTPMethod;
}

/*!
Returns a dictionary of the http header fields
*/
- (CPDictionary)allHTTPHeaderFields
{
    return _HTTPHeaderFields;
}

/*!
Returns the value for the specified header field.
@param aField the header field to obtain a value for
*/
- (CPString)valueForHTTPHeaderField:(CPString)aField
{
    return [_HTTPHeaderFields objectForKey:aField];
}

/*!
Sets the value for the specified header field.
@param aValue the value for the header field
@param aField the header field
*/
- (void)setValue:(CPString)aValue forHTTPHeaderField:(CPString)aField
{
    [_HTTPHeaderFields setObject:aValue forKey:aField];
}

@end
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