00001 //=========================================================================== 00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh 00003 // 00004 //Redistribution and use in source and binary forms, with or without 00005 //modification, are permitted provided that the following conditions 00006 //are met: 00007 // 00008 //- Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // 00011 //- Redistributions in binary form must reproduce the above copyright 00012 // notice, this list of conditions and the following disclaimer in the 00013 // documentation and/or other materials provided with the distribution. 00014 // 00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 00016 // may be used to endorse or promote products derived from this software 00017 // without specific prior written permission. 00018 // 00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00022 //PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR 00023 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 //=========================================================================== 00031 #include "stdafx.h" 00032 #include "datasourcefactory.h" 00033 00034 DataSourceFactory::DataSourceFactory(void) 00035 { 00036 } 00037 00038 DataSourceFactory::~DataSourceFactory(void) 00039 { 00040 } 00041 00042 IFilterDataSource* DataSourceFactory::createDataSource(string inSourceLocation) { 00043 string locType = identifySourceType(inSourceLocation); 00044 00045 if(locType.length() == 1) { 00046 //File... 00047 return new FilterFileSource; 00048 } else if (locType == "\\\\") { 00049 //Network share... 00050 return new FilterFileSource; 00051 } else if (locType == "http") { 00052 //Http stream 00053 return new HTTPFileSource; 00054 } else { 00055 //Something else 00056 return NULL; 00057 } 00058 } 00059 00060 string DataSourceFactory::identifySourceType(string inSourceLocation) { 00061 size_t locPos = inSourceLocation.find(':'); 00062 if (locPos == string::npos) { 00063 //No colon... not a normal file. See if it's a network share... 00064 00065 //Make sure it's long enough... 00066 if (inSourceLocation.length() > 2) { 00067 string retStr = inSourceLocation.substr(0,2); 00068 if (retStr == "\\\\") { 00069 //A "\\" is a network share 00070 return retStr; 00071 } else { 00072 //Not a network share. 00073 return ""; 00074 } 00075 } else { 00076 //Too short 00077 return ""; 00078 } 00079 } else { 00080 string retStr = inSourceLocation.substr(0,locPos); 00081 return retStr; 00082 } 00083 00084 }