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(Unicode C) SharePoint -- Get File Metadata (File Size, Last-Modified Date/Time, etc.)See more SharePoint ExamplesDemonstrates how to get a file's metdata, which includes the file size, last-modified date/time, name, server relative URL, etc.
#include <C_CkHttpW.h> #include <C_CkJsonObjectW.h> #include <C_CkDateTimeW.h> #include <C_CkDtObjW.h> void ChilkatSample(void) { HCkHttpW http; const wchar_t *url; const wchar_t *jsonReply; HCkJsonObjectW json; int fileSize; HCkDateTimeW lastmod; BOOL bLocalTime; int unixTime; HCkDtObjW dtObj; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http = CkHttpW_Create(); // If SharePoint Windows classic authentication is used, then set the // Login, Password, LoginDomain, and NtlmAuth properties. CkHttpW_putLogin(http,L"SHAREPOINT_USERNAME"); CkHttpW_putPassword(http,L"SHAREPOINT_PASSWORD"); CkHttpW_putLoginDomain(http,L"SHAREPOINT_NTLM_DOMAIN"); CkHttpW_putNtlmAuth(http,TRUE); // The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie). // If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead // establish the cookie as shown at SharePoint Online Authentication // Indicate that we want a JSON reply CkHttpW_putAccept(http,L"application/json;odata=verbose"); CkHttpW_putAcceptCharset(http,L"utf-8"); url = L"https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')"; jsonReply = CkHttpW_quickGetStr(http,url); if (CkHttpW_getLastMethodSuccess(http) != TRUE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); return; } // Examine the file's metadata in JSON format. json = CkJsonObjectW_Create(); CkJsonObjectW_Load(json,jsonReply); CkJsonObjectW_putEmitCompact(json,FALSE); // Make sure it was a success response, and that we really have metadata. // If it was an error response, then the JSON is error information.. if (CkHttpW_getLastStatus(http) != 200) { wprintf(L"%s\n",CkJsonObjectW_emit(json)); wprintf(L"Failed.\n"); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); return; } wprintf(L"%s\n",CkJsonObjectW_emit(json)); wprintf(L"--------\n"); wprintf(L"Server relative URL: %s\n",CkJsonObjectW_stringOf(json,L"d.ServerRelativeUrl")); fileSize = CkJsonObjectW_IntOf(json,L"d.Length"); wprintf(L"File Size = %d\n",fileSize); lastmod = CkDateTimeW_Create(); CkDateTimeW_SetFromTimestamp(lastmod,CkJsonObjectW_stringOf(json,L"d.TimeLastModified")); // Once we have the CkDateTime object, we can get the date/time in all sorts of formats: // Get as a RFC822 GMT string: bLocalTime = FALSE; wprintf(L"%s\n",CkDateTimeW_getAsRfc822(lastmod,bLocalTime)); // Get as an RFC822 string in the local timezone. // (remember, the daylight savings that existed at the given time in the past is applied) bLocalTime = TRUE; wprintf(L"%s\n",CkDateTimeW_getAsRfc822(lastmod,bLocalTime)); // Get as a 32-bit UNIX time (local or GMT..) // The Unix time is number of seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC). unixTime = CkDateTimeW_GetAsUnixTime(lastmod,bLocalTime); wprintf(L"Unix time: %d\n",unixTime); // One can also get the as a "DtObj" object for accessing the individual // parts of the date/time, such as month, day, year, hour, minute, etc. // The DtObj can be obtained in the GMT or local timezone: dtObj = CkDateTimeW_GetDtObj(lastmod,bLocalTime); if (CkDateTimeW_getLastMethodSuccess(lastmod) == FALSE) { wprintf(L"This should never really happen!\n"); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); CkDateTimeW_Dispose(lastmod); return; } wprintf(L"%d-%d-%d %d:%d:%d\n",CkDtObjW_getDay(dtObj),CkDtObjW_getMonth(dtObj),CkDtObjW_getYear(dtObj),CkDtObjW_getHour(dtObj) ,CkDtObjW_getMinute(dtObj),CkDtObjW_getSecond(dtObj)); CkDtObjW_Dispose(dtObj); // ------------------------------------------------- // The file's metadata look like this: // { // "d": { // "__metadata": { // "id": "Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')", // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')", // "type": "SP.File" // }, // "Author": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Author" // } // }, // "CheckedOutByUser": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/CheckedOutByUser" // } // }, // "ListItemAllFields": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/ListItemAllFields" // } // }, // "LockedByUser": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/LockedByUser" // } // }, // "ModifiedBy": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/ModifiedBy" // } // }, // "Versions": { // "__deferred": { // "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Versions" // } // }, // "CheckInComment": "", // "CheckOutType": 2, // "ContentTag": "{E2F05E75-B3EF-4826-8284-E572D3628A7D},9,10", // "CustomizedPageStatus": 0, // "ETag": "\"{E2F05E75-B3EF-4826-8284-E572D3628A7D},9\"", // "Exists": true, // "Length": "21082", // "Level": 2, // "MajorVersion": 0, // "MinorVersion": 3, // "Name": "VCAC-document.docx", // "ServerRelativeUrl": "/Documents/VCAC-document.docx", // "TimeCreated": "2016-03-04T12:38:01Z", // "TimeLastModified": "2017-01-16T04:44:31Z", // "Title": "", // "UIVersion": 3, // "UIVersionLabel": "0.3" // } // } // CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); CkDateTimeW_Dispose(lastmod); } |
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