author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:42:40 +0200 | |
branch | RCL_3 |
changeset 8 | fa2fd8b2d6cc |
parent 0 | b16258d2340f |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// ineturilist.cpp |
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// |
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// |
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#include <e32base.h> |
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#include "ineturilistimpl.h" |
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#include "ineturiimpl.h" |
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#include <uriutils.h> |
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CInetUriListImpl::CInetUriListImpl () |
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{ |
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} |
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CInetUriListImpl::~CInetUriListImpl () |
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{ |
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iInetUriListSession.Close (); |
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} |
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/** |
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Standard factory construction method |
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*/ |
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CInetUriListImpl* CInetUriListImpl::NewL () |
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{ |
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CInetUriListImpl* self = new ( ELeave ) CInetUriListImpl (); |
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CleanupStack::PushL ( self ); |
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self->ConstructL (); |
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CleanupStack::Pop ( self ); |
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return self; |
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} |
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void CInetUriListImpl::ConstructL () |
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{ |
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User::LeaveIfError ( iInetUriListSession.Connect () ); |
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} |
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/** |
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Add a new URI to the storage. The session with the server must have been already opened. |
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@param aInetUri A fully constructed URI object |
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*/ |
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void CInetUriListImpl::AddL ( const RInetUri& aInetUri ) |
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{ |
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// Add to the database |
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iInetUriListSession.AddL ( aInetUri.Impl() ); |
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} |
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/** |
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Removes the URI from the storage. Function will leave if the URI object is read-only |
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@leave KErrUriReadOnly The URI object is read-only and cannot be removed |
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*/ |
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void CInetUriListImpl::RemoveL ( const RInetUri& aInetUri ) |
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{ |
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// Only URIs with read-write permission can be removed |
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aInetUri.Impl().LeaveIfReadOnlyL (); |
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// Remove from the list and database |
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iInetUriListSession.RemoveL ( aInetUri.Impl() ); |
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} |
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/** |
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Updates the URI in the storage. Only favouritename & listtype will be updated |
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@param aInetUri URI object |
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@leave KErrUriReadOnly The URI object is read-only and cannot be modified |
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*/ |
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void CInetUriListImpl::UpdateL ( const RInetUri& aInetUri ) |
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{ |
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// Only URIs with read-write permission can be updated |
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aInetUri.Impl().LeaveIfReadOnlyL (); |
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// Update the list and database |
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iInetUriListSession.UpdateL ( aInetUri.Impl() ); |
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} |
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/** |
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Counts the number of URIs in the list, given ServiceType and a ListType |
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*/ |
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TInt CInetUriListImpl::Count ( InetUriList::TServiceType aServiceType, InetUriList::TListType aListType ) |
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{ |
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return iInetUriListSession.Count ( aServiceType, aListType ); |
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} |
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/** |
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Retrieves the Listtype of a give URI, given ServiceType. |
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@return KErrUriNotFound The URI is not found in the list |
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KErrNone The URI is found in the list and the aListType value is set. |
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*/ |
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TInt CInetUriListImpl::GetListType ( const TDesC8& aUri, InetUriList::TServiceType aServiceType, InetUriList::TListType& aListType ) |
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{ |
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TInt ret = KErrNone; |
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TRAPD ( err, ret = iInetUriListSession.GetListTypeL ( DoNormalisationLC ( aUri, NULL ), aServiceType, aListType ); CleanupStack::PopAndDestroy (); ); |
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if ( err != KErrNone ) |
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ret = err; |
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return ret; |
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} |
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111 |
|
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/** |
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Queries the URI in the list, given ServiceType & URI as argument. An exact URI match |
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will be performed. |
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115 |
|
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@param aUri URI descriptor |
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@param aServiceType Servicetype which the URI represents |
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118 |
|
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@return A RInetUri object. Application can use this object for further operations |
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@leave KErrUriNotFound The URI is not found in the list for the given servicetype |
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*/ |
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RInetUri CInetUriListImpl::QueryUriL ( const TDesC8& aUri, InetUriList::TServiceType aServiceType ) |
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123 |
{ |
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TQueryArgs args ( aServiceType, InetUriList::EExact ); |
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CUriListReadStream* uriListStream = iInetUriListSession.QueryUriL ( DoNormalisationLC ( aUri, NULL ), args ); |
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CleanupStack::PushL ( uriListStream ); |
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127 |
|
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TInt totalRecords = uriListStream->ReadUriListL (); |
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129 |
|
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if ( totalRecords <= 0 ) |
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131 |
{ |
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User::Leave ( InetUriList::KErrUriNotFound ); |
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} |
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134 |
|
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RInetUri inetUri = UnpackL ( uriListStream->BufReadStream() ); |
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CleanupStack::PopAndDestroy (2); // uriListStream, object added in DoSyntaxNormalisationLC |
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return inetUri; |
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} |
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139 |
|
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/** |
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Queries for the URI in the list. |
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142 |
|
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@param aArgs Query argument. The ServiceType is mandatory and need to be set with the argument. |
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Other query parameters are optional |
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@param aQueryCallback The callback function that will be called to return the query results |
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@param aUriCustomiser The callback function that need to implement the customisation of the URI if the application wishes |
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147 |
|
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@leave KErrServiceTypeNotPresent The servicetype value is not present in the query argument and is mandatory |
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149 |
|
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*/ |
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void CInetUriListImpl::QueryUriL ( const TQueryArgs& aArgs, MQueryResultsCallback& aQueryCallback, MUriCustomiser* aUriCustomiser ) |
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152 |
{ |
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// Check service type is present in the args. Without service type no query operation |
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// will be performed |
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if ( aArgs.Get ( TQueryArgs::EServiceType ) == KErrNotFound ) |
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156 |
{ |
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User::Leave ( InetUriList::KErrServiceTypeNotPresent ); |
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} |
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159 |
|
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CUriListReadStream* uriListStream = NULL; |
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161 |
|
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#ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
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if ( aArgs.Get ( TQueryArgs::EUri ) != KErrNotFound ) |
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164 |
{ |
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const TDesC8& uri = *(reinterpret_cast<TDesC8*> ( aArgs.Get ( TQueryArgs::EUri ) )); |
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// Do normalisation |
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TPtrC8 customisedUri ( DoNormalisationLC ( uri, aUriCustomiser ) ); |
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uriListStream = iInetUriListSession.QueryUriL ( customisedUri, aArgs ); |
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CleanupStack::PopAndDestroy (); // objects added in DoNormalisationLC |
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} |
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171 |
else |
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172 |
{ |
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uriListStream = iInetUriListSession.QueryUriL ( aArgs ); |
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} |
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#else |
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if ( aArgs.IsSet ( TQueryArgs::EUri ) ) |
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177 |
{ |
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const TDesC8& uri = *(reinterpret_cast<TDesC8*> ( aArgs.Get ( TQueryArgs::EUri ) )); |
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// Do normalisation |
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TPtrC8 customisedUri ( DoNormalisationLC ( uri, aUriCustomiser ) ); |
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uriListStream = iInetUriListSession.QueryUriL ( customisedUri, aArgs ); |
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CleanupStack::PopAndDestroy (); // objects added in DoNormalisationLC |
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183 |
} |
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184 |
else |
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185 |
{ |
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uriListStream = iInetUriListSession.QueryUriL ( aArgs ); |
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} |
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188 |
|
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#endif //SYMBIAN_ENABLE_SPLIT_HEADERS |
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190 |
|
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CleanupStack::PushL ( uriListStream ); |
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192 |
|
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RetrieveResultsL ( *uriListStream, aQueryCallback ); |
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194 |
|
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CleanupStack::PopAndDestroy (); // uriListStream |
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|
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} |
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198 |
|
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199 |
/** |
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Retrieves the query results from the server. The stream will be closed once the client has received |
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201 |
all the records or upon request by the application via the reqturn value of query results callback function |
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*/ |
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void CInetUriListImpl::RetrieveResultsL ( CUriListReadStream& aListStream, MQueryResultsCallback& aQueryCallback ) |
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204 |
{ |
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TBool bContinue = ETrue; |
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do |
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{ |
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TInt totalRecords = aListStream.ReadUriListL (); |
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if ( totalRecords <= 0 ) |
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{ |
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bContinue = EFalse; |
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} |
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213 |
|
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214 |
|
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for ( TInt i = 1; i <= totalRecords; ++i ) |
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{ |
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// Unpack and do callback |
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RInetUri inetUri = UnpackL ( aListStream.BufReadStream() ); |
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if ( !aQueryCallback.OnQueryResultsL ( inetUri ) ) |
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220 |
{ |
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// Client has asked to stop the retrieval of query resuls |
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// break the operation. |
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bContinue = EFalse; |
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break; |
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} |
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} |
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} while ( bContinue ); |
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} |
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229 |
|
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/** |
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Unpacks the data stream and constructs a full URI object |
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*/ |
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RInetUri CInetUriListImpl::UnpackL ( RReadStream& aStream ) |
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234 |
{ |
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CInetUriImpl* inetUri = CInetUriImpl::NewL (); |
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CleanupStack::PushL ( inetUri ) ; |
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inetUri->UnpackL ( aStream ); |
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RInetUri inetUriObj; |
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inetUriObj.Attach ( *inetUri ); |
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CleanupStack::Pop (); //inetUri |
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return inetUriObj; |
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} |
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243 |
|
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244 |
|
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/** |
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246 |
Does the syntax based normalisation. If the MUriCustomiser is set then it customises the URI, |
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that is, do the protocol/scheme-based normalisation on the URI. The customisation algorithm needs |
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to be implemented by the application. |
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249 |
*/ |
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const TDesC8& CInetUriListImpl::DoNormalisationLC ( const TDesC8& aUri, MUriCustomiser* aUriCustomiser ) |
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251 |
{ |
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// Do a syntax based normalisation |
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TUriParser8 uriParser; |
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User::LeaveIfError ( uriParser.Parse ( aUri ) ); |
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CUri8* normalisedUri = UriUtils::NormaliseUriL ( uriParser ); |
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CleanupStack::PushL ( normalisedUri ); |
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if ( aUriCustomiser ) |
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258 |
{ |
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normalisedUri = aUriCustomiser->OnUriCustomisationL ( normalisedUri->Uri() ); |
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CleanupStack::PopAndDestroy (); // Added after UriUtils::NormaliseUriL |
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CleanupStack::PushL ( normalisedUri ); |
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} |
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return normalisedUri->Uri().UriDes(); |
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} |
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265 |
|
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/** |
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Queries on Uri either to fetch the TLD Policy data or get the List type of the given Uri. |
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268 |
|
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@param aArgs TPolicyQueryArgs argument. The Uri and Querytype are mandatory. |
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To fetch Charset, List type is Mandatory, whereas to fetch List type it is not. |
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@param aResultArgs is out parmeter contains either List type info or Charset info. Based on the QueryType. |
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272 |
|
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@leave KErrInvalidTLD The TLD type if No policy data is available for the given TLD and Requested ListType. |
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*/ |
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void CInetUriListImpl::QueryTldInfoL ( const TPolicyQueryArgs& aArgs, TQueryResults& aResultArgs ) |
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276 |
{ |
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// Check Uri type is present in the args. |
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if ( aArgs.Get ( TPolicyQueryArgs::ETldUri ) == KErrNotFound ) |
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279 |
{ |
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User::Leave ( InetUriList::KErrTldUriNotPresent ); |
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} |
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// Query type is present in the args. |
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// Without these no query operation will be performed |
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if ( aArgs.Get ( TPolicyQueryArgs::ETldQueryType ) == KErrNotFound ) |
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285 |
{ |
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User::Leave ( InetUriList::KErrTldQueryTypeNotPresent ); |
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} |
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288 |
|
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InetUriList::TTLDQueryType queryType (InetUriList::EPolicyListType); |
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queryType = static_cast < InetUriList::TTLDQueryType > ( aArgs.Get ( TPolicyQueryArgs::ETldQueryType ) ); |
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291 |
|
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// Identify the Host type whether it is WhiteListed or BlackListed |
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if ( queryType == InetUriList::EPolicyListType ) |
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294 |
{ |
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InetUriList::TListType lt(InetUriList::EBlackList); |
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TInt result = iInetUriListSession.GetHostType(aArgs); |
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User::LeaveIfError( result ); |
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lt = static_cast < InetUriList::TListType > ( result ); |
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aResultArgs.Set(lt); |
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} |
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//fetch Policy data and send the results in TQueryResults |
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else |
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303 |
{ |
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HBufC8* results(NULL); |
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results = FetchPolicyDataL ( aArgs ); |
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//owner ship of results with TQueryResults |
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aResultArgs.Set(results); |
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} |
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} |
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310 |
|
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/** |
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Fetch Policy data |
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*/ |
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HBufC8* CInetUriListImpl::FetchPolicyDataL(const TPolicyQueryArgs& aArgs ) |
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{ |
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TInt policyLength = iInetUriListSession.PolicyDataLength( aArgs ); |
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//Policy file contains empty body for Requested white/Black listed data |
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User::LeaveIfError ( policyLength ); |
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HBufC8* policydata = HBufC8::NewL( policyLength ); |
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CleanupStack::PushL( policydata ); |
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TPtr8 ptr ( policydata->Des() ) ; |
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TInt err = iInetUriListSession.QueryTldInfo( aArgs, ptr ); |
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CleanupStack::Pop( policydata ); |
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User::LeaveIfError( err ); |
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return policydata; |
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} |
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