Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Unicode C) Parse Multipart Binary Http ResponseThis example demonstrates how to parse an HTTP response that is multipart and contains a binary file, such as a .zip or .pdf.
#include <C_CkHttpW.h> #include <C_CkHttpRequestW.h> #include <C_CkHttpResponseW.h> #include <C_CkBinDataW.h> #include <C_CkMimeW.h> void ChilkatSample(void) { BOOL success; HCkHttpW http; HCkHttpRequestW req; HCkHttpResponseW resp; HCkBinDataW respBody; HCkMimeW mime; int numParts; HCkMimeW part0; const wchar_t *xmlStr; HCkMimeW part1; HCkBinDataW zipData; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http = CkHttpW_Create(); req = CkHttpRequestW_Create(); // ... // Insert code here to construct some kind of HTTP request. // this example is to show how to parse a particular kind of response. // ... // ... // Send the request (whatever it may be in your case) to get the HTTP response object. resp = CkHttpW_SynchronousRequest(http,L"www.somedomain.com",443,TRUE,req); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); CkHttpRequestW_Dispose(req); return; } // Get the response body (which is expected to be binary) respBody = CkBinDataW_Create(); CkHttpResponseW_GetBodyBd(resp,respBody); CkHttpResponseW_Dispose(resp); // For this example, the response body contains something like this: // ------=_Part_21302_2029949381.1547401515443 // Content-Type: application/xop+xml; charset=UTF-8; type="text/xml" // Content-Transfer-Encoding: 8bit // Content-ID: <rootpart@ws.jboss.org> // // <env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'><env:Header></env:Header><env:Body>...</env:Body></env:Envelope> // ------=_Part_21302_2029949381.1547401515443 // Content-Type: application/octet-stream // Content-Transfer-Encoding: binary // Content-Id: <fileArchivio-7d302908-4d64-43d3-bf4e-79ce806d43b3@ws.jboss.org> // // BINARY_CONTENT_HERE... // // ------=_Part_21302_2029949381.1547401515443-- // // Load it into a Chilkat MIME object. mime = CkMimeW_Create(); success = CkMimeW_LoadMimeBd(mime,respBody); if (success != TRUE) { wprintf(L"%s\n",CkMimeW_lastErrorText(mime)); CkHttpW_Dispose(http); CkHttpRequestW_Dispose(req); CkBinDataW_Dispose(respBody); CkMimeW_Dispose(mime); return; } numParts = CkMimeW_getNumParts(mime); if (numParts < 2) { wprintf(L"Expected multipart MIME with at least 2 sub-parts.\n"); CkHttpW_Dispose(http); CkHttpRequestW_Dispose(req); CkBinDataW_Dispose(respBody); CkMimeW_Dispose(mime); return; } // Get the 1st sub-part, which is the XML. part0 = CkMimeW_GetPart(mime,0); // Should be OK because we checked NumParts above.. xmlStr = CkMimeW_getBodyDecoded(part0); wprintf(L"%s\n",xmlStr); wprintf(L"----\n"); CkMimeW_Dispose(part0); // Save the 2nd part to a file. (It is a .zip file in our test case..) part1 = CkMimeW_GetPart(mime,1); success = CkMimeW_SaveBody(part1,L"qa_output/attachedZip.zip"); // Alternatively, we could extract the binary data to a BinData and use elsewhere.. zipData = CkBinDataW_Create(); success = CkMimeW_GetBodyBd(part1,zipData); success = CkBinDataW_WriteFile(zipData,L"qa_output/attachedZip_again.zip"); CkMimeW_Dispose(part1); wprintf(L"OK.\n"); CkHttpW_Dispose(http); CkHttpRequestW_Dispose(req); CkBinDataW_Dispose(respBody); CkMimeW_Dispose(mime); CkBinDataW_Dispose(zipData); } |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.