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(MFC) SharePoint -- Get File Property

Demonstrates how to get a specific property of a SharePoint file. Any of the following properties can be retrieved:

  • Author: Gets a value that specifies the user who added the file.
  • CheckedOutByUser: Gets a value that returns the user who has checked out the file.
  • CheckInComment: Gets a value that returns the comment used when a document is checked in to a document library.
  • CheckOutType: Gets a value that indicates how the file is checked out of a document library. Represents an
  • ContentTag: Returns internal version of content, used to validate document equality for read purposes.
  • CustomizedPageStatus: Gets a value that specifies the customization status of the file. Represents an
  • ETag: Gets a value that specifies the ETag value.
  • Exists: Gets a value that specifies whether the file exists.
  • Length: Gets the size of the file in bytes, excluding the size of any Web Parts that are used in the file.
  • Level: Gets a value that specifies the publishing level of the file. Represents an
  • ListItemAllFields: Gets a value that specifies the list item field values for the list item corresponding to the file.
  • LockedByUser: Gets a value that returns the user that owns the current lock on the file.
  • MajorVersion: Gets a value that specifies the major version of the file.
  • MinorVersion: Gets a value that specifies the minor version of the file.
  • ModifiedBy: Gets a value that returns the user who last modified the file.
  • Name: Gets the name of the file including the extension.
  • ServerRelativeUrl: Gets the relative URL of the file based on the URL for the server.
  • TimeCreated: Gets a value that specifies when the file was created.
  • TimeLastModified: Gets a value that specifies when the file was last modified.
  • Title: Gets a value that specifies the display name of the file.
  • UiVersion: Gets a value that specifies the implementation-specific version identifier of the file.
  • UiVersionLabel: Gets a value that specifies the implementation-specific version identifier of the file.
  • Versions: Gets a value that returns a collection of file version objects that represent the versions of the file.

Chilkat C/C++ Library Downloads

MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    //  This requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkHttp http;

    //  If SharePoint Windows classic authentication is used, then set the
    //  Login, Password, LoginDomain, and NtlmAuth properties.
    http.put_Login("SHAREPOINT_USERNAME");
    http.put_Password("SHAREPOINT_PASSWORD");
    http.put_LoginDomain("SHAREPOINT_NTLM_DOMAIN");
    http.put_NtlmAuth(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
    http.put_Accept("application/json;odata=verbose");

    //  Get the Author property.
    const char *url = "https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Author";

    const char *jsonReply = http.quickGetStr(url);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkJsonObject json;
    json.Load(jsonReply);
    json.put_EmitCompact(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 (http.get_LastStatus() != 200) {
        strOut.append(json.emit());
        strOut.append("\r\n");
        strOut.append("Failed.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append(json.emit());
    strOut.append("\r\n");

    //  The Author property returns JSON looking like this:

    //  {
    //    "d": {
    //      "__metadata": {
    //        "id": "Web/GetUserById(18)",
    //        "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetUserById(18)",
    //        "type": "SP.User"
    //      },
    //      "Groups": {
    //        "__deferred": {
    //          "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetUserById(18)/Groups"
    //        }
    //      },
    //      "Id": 18,
    //      "IsHiddenInUI": false,
    //      "LoginName": "i:0#.w|mydomain\\msmith",
    //      "Title": "Mike Smith",
    //      "PrincipalType": 1,
    //      "Email": "msmith@mydomain.com",
    //      "IsSiteAdmin": false,
    //      "UserId": {
    //        "__metadata": {
    //          "type": "SP.UserIdInfo"
    //        },
    //        "NameId": "s-1-5-21-3433503314-2897774614-343593928-1137",
    //        "NameIdIssuer": "urn:office:idp:activedirectory"
    //      }
    //    }
    //  }
    // 

    //  Get the Title and Email:
    strOut.append("----");
    strOut.append("\r\n");
    strOut.append("Title: ");
    strOut.append(json.stringOf("d.Title"));
    strOut.append("\r\n");
    strOut.append("Email: ");
    strOut.append(json.stringOf("d.Email"));
    strOut.append("\r\n");
    strOut.append("----");
    strOut.append("\r\n");

    //  --------------------------------------------------------------------

    //  Get the Versions property.
    url = "https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Versions";

    jsonReply = http.quickGetStr(url);
    if (http.get_LastMethodSuccess() != true) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    json.Load(jsonReply);
    strOut.append(json.emit());
    strOut.append("\r\n");

    //  The Versions JSON reply looks like this:

    //  {
    //    "d": {
    //      "results": [
    //        {
    //          "__metadata": {
    //            "id": "a8d025e2-8255-4487-9edb-9e796ab2889c",
    //            "type": "SP.FileVersion"
    //          },
    //          "CreatedBy": {
    //            "__deferred": {
    //              "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/CreatedBy"
    //            }
    //          },
    //          "CheckInComment": "",
    //          "Created": "2016-03-15T02:22:26Z",
    //          "ID": 1,
    //          "IsCurrentVersion": false,
    //          "Size": 21082,
    //          "Url": "_vti_history/1/Documents/VCAC-document.docx",
    //          "VersionLabel": "0.1"
    //        },
    //        {
    //          "__metadata": {
    //            "id": "8ab3eadd-9126-4f65-a2a3-3b0689c592d6",
    //            "type": "SP.FileVersion"
    //          },
    //          "CreatedBy": {
    //            "__deferred": {
    //              "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/CreatedBy"
    //            }
    //          },
    //          "CheckInComment": "",
    //          "Created": "2016-03-15T05:28:24Z",
    //          "ID": 2,
    //          "IsCurrentVersion": false,
    //          "Size": 21082,
    //          "Url": "_vti_history/2/Documents/VCAC-document.docx",
    //          "VersionLabel": "0.2"
    //        }
    //      ]
    //    }
    //  }
    // 

    //  Get each VersionLabel, Size, and Url...
    int numVersions = json.SizeOfArray("d.results");
    int i = 0;
    while (i < numVersions) {
        json.put_I(i);
        strOut.append("---- i = ");
        strOut.appendInt(i);
        strOut.append("\r\n");
        strOut.append("VersionLabel: ");
        strOut.append(json.stringOf("d.results[i].VersionLabel"));
        strOut.append("\r\n");
        strOut.append("Url: ");
        strOut.append(json.stringOf("d.results[i].Url"));
        strOut.append("\r\n");
        strOut.append("Size: ");
        strOut.appendInt(json.IntOf("d.results[i].Size"));
        strOut.append("\r\n");
        i = i + 1;
    }

    //  The output is:

    //  ---- i = 0
    //  VersionLabel: 0.1
    //  Url: _vti_history/1/Documents/VCAC-document.docx
    //  Size: 21082
    //  ---- i = 1
    //  VersionLabel: 0.2
    //  Url: _vti_history/2/Documents/VCAC-document.docx
    //  Size: 21082


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }

 

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