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QHttpHeader(3qt)								 QHttpHeader(3qt)

NAME
       QHttpHeader - Header information for HTTP

SYNOPSIS
       #include <qhttp.h>

       Inherited by QHttpResponseHeader and QHttpRequestHeader.

   Public Members
       QHttpHeader ()
       QHttpHeader ( const QHttpHeader & header )
       QHttpHeader ( const QString & str )
       virtual ~QHttpHeader ()
       QHttpHeader & operator= ( const QHttpHeader & h )
       QString value ( const QString & key ) const
       void setValue ( const QString & key, const QString & value )
       void removeValue ( const QString & key )
       QStringList keys () const
       bool hasKey ( const QString & key ) const
       bool hasContentLength () const
       uint contentLength () const
       void setContentLength ( int len )
       bool hasContentType () const
       QString contentType () const
       void setContentType ( const QString & type )
       virtual QString toString () const
       bool isValid () const
       virtual int majorVersion () const = 0
       virtual int minorVersion () const = 0

DESCRIPTION
       The QHttpHeader class contains header information for HTTP.

       In most cases you should use the more specialized derivatives of this class,
       QHttpResponseHeader and QHttpRequestHeader, rather than directly using QHttpHeader.

       QHttpHeader provides the HTTP header fields. A HTTP header field consists of a name
       followed by a colon, a single space, and the field value. (See RFC 1945.) Field names are
       case-insensitive. A typical header field looks like this:

	   content-type: text/html

       In the API the header field name is called the "key" and the content is called the
       "value". You can get and set a header field's value by using its key with value() and
       setValue(), e.g.

	   header.setValue( "content-type", "text/html" );
	   QString contentType = header.value( "content-type" );

       Some fields are so common that getters and setters are provided for them as a convenient
       alternative to using value() and setValue(), e.g. contentLength() and contentType(),
       setContentLength() and setContentType().

       Each header key has a single value associated with it. If you set the value for a key
       which already exists the previous value will be discarded.

       See also QHttpRequestHeader, QHttpResponseHeader, and Input/Output and Networking.

MEMBER FUNCTION DOCUMENTATION
QHttpHeader::QHttpHeader ()
       Constructs an empty HTTP header.

QHttpHeader::QHttpHeader ( const QHttpHeader & header )
       Constructs a copy of header.

QHttpHeader::QHttpHeader ( const QString & str )
       Constructs a HTTP header for str.

       This constructor parses the string str for header fields and adds this information. The
       str should consist of one or more" \r\n" delimited lines; each of these lines should have
       the format key, colon, space, value.

QHttpHeader::~QHttpHeader () [virtual]
       Destructor.

uint QHttpHeader::contentLength () const
       Returns the value of the special HTTP header field content-length.

       See also setContentLength() and hasContentLength().

QString QHttpHeader::contentType () const
       Returns the value of the special HTTP header field content-type.

       See also setContentType() and hasContentType().

bool QHttpHeader::hasContentLength () const
       Returns TRUE if the header has an entry for the special HTTP header field content-length;
       otherwise returns FALSE.

       See also contentLength() and setContentLength().

bool QHttpHeader::hasContentType () const
       Returns TRUE if the header has an entry for the the special HTTP header field content-
       type; otherwise returns FALSE.

       See also contentType() and setContentType().

bool QHttpHeader::hasKey ( const QString & key ) const
       Returns TRUE if the HTTP header has an entry with the given key; otherwise returns FALSE.

       See also value(), setValue(), and keys().

bool QHttpHeader::isValid () const
       Returns TRUE if the HTTP header is valid; otherwise returns FALSE.

       A QHttpHeader is invalid if it was created by parsing a malformed string.

QStringList QHttpHeader::keys () const
       Returns a list of the keys in the HTTP header.

       See also hasKey().

int QHttpHeader::majorVersion () const [pure virtual]
       Returns the major protocol-version of the HTTP header.

       Reimplemented in QHttpResponseHeader and QHttpRequestHeader.

int QHttpHeader::minorVersion () const [pure virtual]
       Returns the minor protocol-version of the HTTP header.

       Reimplemented in QHttpResponseHeader and QHttpRequestHeader.

QHttpHeader &; QHttpHeader::operator= ( const QHttpHeader & h )
       Assigns h and returns a reference to this http header.

void QHttpHeader::removeValue ( const QString & key )
       Removes the entry with the key key from the HTTP header.

       See also value() and setValue().

void QHttpHeader::setContentLength ( int len )
       Sets the value of the special HTTP header field content-length to len.

       See also contentLength() and hasContentLength().

void QHttpHeader::setContentType ( const QString & type )
       Sets the value of the special HTTP header field content-type to type.

       See also contentType() and hasContentType().

       Example: network/archivesearch/archivedialog.ui.h.

void QHttpHeader::setValue ( const QString & key, const QString & value )
       Sets the value of the entry with the key to value.

       If no entry with key exists, a new entry with the given key and value is created. If an
       entry with the key already exists, its value is discarded and replaced with the given
       value.

       See also value(), hasKey(), and removeValue().

       Example: network/archivesearch/archivedialog.ui.h.

QString QHttpHeader::toString () const [virtual]
       Returns a string representation of the HTTP header.

       The string is suitable for use by the constructor that takes a QString. It consists of
       lines with the format: key, colon, space, value, "\r\n".

QString QHttpHeader::value ( const QString & key ) const
       Returns the value for the entry with the given key. If no entry has this key, an empty
       string is returned.

       See also setValue(), removeValue(), hasKey(), and keys().

SEE ALSO
       http://doc.trolltech.com/qhttpheader.html http://www.trolltech.com/faq/tech.html

COPYRIGHT
       Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com.  See the license file
       included in the distribution for a complete license statement.

AUTHOR
       Generated automatically from the source code.

BUGS
       If you find a bug in Qt, please report it as described in
       http://doc.trolltech.com/bughowto.html.	Good bug reports help us to help you. Thank you.

       The definitive Qt documentation is provided in HTML format; it is located at
       $QTDIR/doc/html and can be read using Qt Assistant or with a web browser. This man page is
       provided as a convenience for those users who prefer man pages, although this format is
       not officially supported by Trolltech.

       If you find errors in this manual page, please report them to qt-bugs@trolltech.com.
       Please include the name of the manual page (qhttpheader.3qt) and the Qt version (3.3.8).

Trolltech AS				 2 February 2007			 QHttpHeader(3qt)
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