Hello All,
Finally !!!!!!
I got it working. Just to test it, I used one of the sample code
provided by google .NET library and modified the code to work behind
my PROXY SERVER. Here is the code:
/* ================= CODE BEGIN ======================== */
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Net;
using Google.GData.Client;
using Google.GData.Extensions;
using Google.GData.Calendar;
namespace SampleApp
{
/// <summary>
/// Summary description for Calendar.
/// </summary>
public class Calendar : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox CalendarURI;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox UserName;
private System.Windows.Forms.TextBox Password;
private System.Windows.Forms.Button Go;
private System.Windows.Forms.MonthCalendar calendarControl;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
private System.Windows.Forms.ListView DayEvents;
private System.Windows.Forms.ColumnHeader columnHeader1;
private System.Windows.Forms.ColumnHeader columnHeader2;
private System.Windows.Forms.ColumnHeader columnHeader3;
private System.Windows.Forms.ColumnHeader columnHeader4;
private ArrayList entryList;
public Calendar()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after
InitializeComponent call
//
this.entryList = new ArrayList();
}
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Calendar());
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.calendarControl = new
System.Windows.Forms.MonthCalendar();
this.CalendarURI = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.UserName = new System.Windows.Forms.TextBox();
this.Password = new System.Windows.Forms.TextBox();
this.Go = new System.Windows.Forms.Button();
this.DayEvents = new System.Windows.Forms.ListView();
this.columnHeader1 = new
System.Windows.Forms.ColumnHeader();
this.columnHeader2 = new
System.Windows.Forms.ColumnHeader();
this.columnHeader3 = new
System.Windows.Forms.ColumnHeader();
this.columnHeader4 = new
System.Windows.Forms.ColumnHeader();
this.SuspendLayout();
//
// calendarControl
//
this.calendarControl.Location = new
System.Drawing.Point(0, 8);
this.calendarControl.Name = "calendarControl";
this.calendarControl.ShowTodayCircle = false;
this.calendarControl.TabIndex = 0;
this.calendarControl.DateSelected += new
System.Windows.Forms.DateRangeEventHandler(this.calendarControl_DateSelected);
//
// CalendarURI
//
this.CalendarURI.Location = new System.Drawing.Point(280,
32);
this.CalendarURI.Name = "CalendarURI";
this.CalendarURI.Size = new System.Drawing.Size(296, 20);
this.CalendarURI.TabIndex = 1;
this.CalendarURI.Text = "http://www.google.com/calendar/
feeds/default/private/full";
//
// label1
//
this.label1.Location = new System.Drawing.Point(200, 32);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(64, 16);
this.label1.TabIndex = 2;
this.label1.Text = "URL:";
//
// label2
//
this.label2.Location = new System.Drawing.Point(200, 68);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(64, 24);
this.label2.TabIndex = 3;
this.label2.Text = "User:";
//
// label3
//
this.label3.Location = new System.Drawing.Point(200, 112);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(64, 16);
this.label3.TabIndex = 4;
this.label3.Text = "Password";
//
// UserName
//
this.UserName.Location = new System.Drawing.Point(280,
68);
this.UserName.Name = "UserName";
this.UserName.Size = new System.Drawing.Size(296, 20);
this.UserName.TabIndex = 5;
this.UserName.Text = "YourGoogleemailAddress";
//
// Password
//
this.Password.Location = new System.Drawing.Point(280,
104);
this.Password.Name = "Password";
this.Password.PasswordChar = '*';
this.Password.Size = new System.Drawing.Size(296, 20);
this.Password.TabIndex = 6;
this.Password.Text = "";
//
// Go
//
this.Go.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.Go.Location = new System.Drawing.Point(480, 208);
this.Go.Name = "Go";
this.Go.Size = new System.Drawing.Size(96, 24);
this.Go.TabIndex = 7;
this.Go.Text = "&Go";
this.Go.Click += new System.EventHandler(this.Go_Click);
//
// DayEvents
//
this.DayEvents.Columns.AddRange(new
System.Windows.Forms.ColumnHeader[]{
this.columnHeader1,
this.columnHeader2,
this.columnHeader3,
this.columnHeader4});
this.DayEvents.FullRowSelect = true;
this.DayEvents.GridLines = true;
this.DayEvents.HeaderStyle =
System.Windows.Forms.ColumnHeaderStyle.Nonclickable;
this.DayEvents.LabelWrap = false;
this.DayEvents.Location = new System.Drawing.Point(8,
184);
this.DayEvents.Name = "DayEvents";
this.DayEvents.Size = new System.Drawing.Size(424, 88);
this.DayEvents.TabIndex = 8;
this.DayEvents.View = System.Windows.Forms.View.Details;
//
// columnHeader1
//
this.columnHeader1.Text = "Event";
this.columnHeader1.Width = 200;
//
// columnHeader2
//
this.columnHeader2.Text = "Author";
this.columnHeader2.Width = 100;
//
// columnHeader3
//
this.columnHeader3.Text = "Start";
//
// columnHeader4
//
this.columnHeader4.Text = "End";
//
// Calendar
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(592, 278);
this.Controls.Add(this.DayEvents);
this.Controls.Add(this.Go);
this.Controls.Add(this.Password);
this.Controls.Add(this.UserName);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.CalendarURI);
this.Controls.Add(this.calendarControl);
this.Cursor = System.Windows.Forms.Cursors.Arrow;
this.Name = "Calendar";
this.Text = "Calendar";
this.ResumeLayout(false);
}
#endregion
private void textBox1_TextChanged(object sender,
System.EventArgs e)
{
}
private void Go_Click(object sender, System.EventArgs e)
{
RefreshFeed();
}
private void RefreshFeed()
{
string calendarURI = this.CalendarURI.Text;
string userName = this.UserName.Text;
string passWord = this.Password.Text;
/* For accessing Proxy logic */
string proxyuserName = "ProxyUserID";
string proxypassWord = "YourProxyPassword";
this.entryList = new ArrayList(50);
ArrayList dates = new ArrayList(50);
EventQuery query = new EventQuery();
CalendarService service = new
CalendarService("CalendarSampleApp");
if (userName != null && userName.Length > 0)
{
service.setUserCredentials(userName, passWord);
}
// only get event's for today - 1 month until today + 1
year
query.Uri = new Uri(calendarURI);
query.StartTime = DateTime.Now.AddDays(-28);
query.EndTime = DateTime.Now.AddMonths(6);
/* For accessing Proxy logic */
GDataRequestFactory f =
(GDataRequestFactory)service.RequestFactory;
IWebProxy iProxy = WebRequest.DefaultWebProxy;
WebProxy myproxy = new
WebProxy(iProxy.GetProxy(query.Uri));
NetworkCredential myNetworkCredential = new
NetworkCredential(proxyuserName, proxypassWord);
myproxy.Credentials = myNetworkCredential;
f.Proxy = myproxy;
EventFeed calFeed = service.Query(query) as EventFeed;
// now populate the calendar
while (calFeed != null && calFeed.Entries.Count > 0)
{
// look for the one with dinner time...
foreach (EventEntry entry in calFeed.Entries)
{
this.entryList.Add(entry);
if (entry.Times.Count > 0)
{
foreach (When w in entry.Times)
{
dates.Add(w.StartTime);
}
}
}
// just query the same query again.
if (calFeed.NextChunk != null)
{
query.Uri = new Uri(calFeed.NextChunk);
calFeed = service.Query(query) as EventFeed;
}
else
calFeed = null;
}
DateTime[] aDates = new DateTime[dates.Count];
int i = 0;
foreach (DateTime d in dates)
{
aDates[i++] = d;
}
this.calendarControl.BoldedDates = aDates;
}
private void calendarControl_DateSelected(object sender,
System.Windows.Forms.DateRangeEventArgs e)
{
this.DayEvents.Items.Clear();
ArrayList results = new ArrayList(5);
foreach (EventEntry entry in this.entryList)
{
// let's find the entries for that date
if (entry.Times.Count > 0)
{
foreach (When w in entry.Times)
{
if (e.Start.Date == w.StartTime.Date ||
e.Start.Date == w.EndTime.Date)
{
results.Add(entry);
break;
}
}
}
}
foreach (EventEntry entry in results)
{
ListViewItem item = new
ListViewItem(entry.Title.Text);
item.SubItems.Add(entry.Authors[0].Name);
if (entry.Times.Count > 0)
{
item.SubItems.Add(entry.Times[0].StartTime.TimeOfDay.ToString());
item.SubItems.Add(entry.Times[0].EndTime.TimeOfDay.ToString());
}
this.DayEvents.Items.Add(item);
}
}
}
}
/* ============================= CODE END ====================== */
On Sep 6, 2:13 am, Frank Mantek <[EMAIL PROTECTED]> wrote:
> What version number of the .NET libraries are you using? There was a
> bug fixed in November last year where the Proxy was not applied
> during authentication?
>
> Frank Mantek
> Google
> On Sep 5, 2007, at 11:14 PM, Bobby wrote:
>
>
>
> > Hello Lane :
>
> > Thanks for your response. This is the error I am getting. I tried your
> > code also and I get the same error. Please HELP !!!!
>
> > Thanks,
>
> > Dipankar
>
> > Unhandled Exception: Google.GData.Client.AuthenticationException:
> > Error authenticating (check service name)
> > at Google.GData.Client.GDataGAuthRequest.Execute(Int32 iRetrying)
> > at Google.GData.Client.GDataGAuthRequest.Execute()
> > at Google.GData.Client.Service.Query(Uri queryUri)
> > at Google.GData.Client.Service.Query(FeedQuery feedQuery)
> > at Google.GData.Calendar.CalendarService.Query(EventQuery feedQuery)
> > at googleAp01.Program.Main(String[] args) in
> > C:\dbiswas\MyProject\VStudioWS\googleAp01\googleAp01\Program.cs:line
> > 56
>
> > On 9/5/07, Lane LiaBraaten (Google) <[EMAIL PROTECTED]> wrote:
>
> >> Hi Dipankar,
>
> >> Your code looks correct, but maybe the .NET framework is not
> >> detecting
> >> the correct proxy. You can use the following to specify the proxy
> >> manually:
>
> >> WebProxy myProxy = new WebProxy("http://my.proxy.example.com:
> >> 3128/",true);
>
> >> If that doesn't help, please try to post more information about the
> >> problem, such as what error you are getting or the contents of your
> >> network traffic.
>
> >> Cheers,
> >> Lane
>
> >> On Sep 5, 11:47 am, "[EMAIL PROTECTED]"
> >> <[EMAIL PROTECTED]> wrote:
> >>> Hello,
>
> >>> I am trying to find some sample code that will allow me to query
> >>> Google Calendar via .net API interface. I am able to query when I
> >>> don't have Proxy server. But unable to do it when behind the proxy
> >>> server. I have modified the query to take credentials for proxy
> >>> server
> >>> but some how I can't get my code working. Can you please help me
> >>> out... I have spend 2 days in this problem and I am still unable to
> >>> resolve.
>
> >>> It would be nice, if some body has a working copy of a program that
> >>> goes thru Proxy Server. Because I did many search and did not find a
> >>> working copy.
>
> >>> Thanks in advance.
>
> >>> Dipankar Biswas
>
> >>> Here is my code :
> >>> =============
> >>> using System;
> >>> using System.Collections;
> >>> using System.ComponentModel;
> >>> using System.Collections.Generic;
> >>> using System.Text;
> >>> using System.Data;
> >>> using System.Net;
> >>> using Google.GData.Client;
> >>> using Google.GData.Extensions;
> >>> using Google.GData.Calendar;
>
> >>> namespace googleAp01
> >>> {
> >>> class Program
> >>> {
>
> >>> static void Main(string[] args)
> >>> {
>
> >>> string calendarURI = "http://www.google.com/calendar/
> >>> feeds/
> >>> [EMAIL PROTECTED]/private/full";
> >>> string userName = "[EMAIL PROTECTED]";
> >>> string passWord = "MyGooglePassowrdGoesHere";
>
> >>> string proxyAddress = "http://MyProxyURL:8080";;
> >>> string proxyuserName = "MyProxyUserID";
> >>> string proxypassWord = "MyProxyPassword";
>
> >>> Console.WriteLine(calendarURI);
> >>> Console.WriteLine(userName);
> >>> Console.WriteLine(passWord);
>
> >>> CalendarService s = new CalendarService("CalendarTest");
> >>> s.setUserCredentials(userName, passWord);
> >>> EventQuery query = new EventQuery();
>
> >>> query.Uri = new Uri("http://www.google.com/calendar/
> >>> feeds/
> >>> [EMAIL PROTECTED]/private/full");
> >>> query.StartTime = DateTime.Now.AddDays(-28);
> >>> query.EndTime = DateTime.Now.AddMonths(6);
>
> >>> GDataRequestFactory f =
> >>> (GDataRequestFactory)s.RequestFactory;
> >>> IWebProxy iproxy = WebRequest.DefaultWebProxy;
> >>> WebProxy myproxy = new
> >>> WebProxy(iproxy.GetProxy(query.Uri));
> >>> myproxy.Credentials =
> >>> CredentialCache.DefaultCredentials;
> >>> myproxy.UseDefaultCredentials = true;
>
> >>> f.Proxy = myproxy;
>
> >>> EventFeed calFeed = s.Query(query) as EventFeed;
>
> >>> // now populate the calendar
> >>> while (calFeed != null && calFeed.Entries.Count > 0)
> >>> {
> >>> // look for the one with dinner time...
> >>> foreach (EventEntry entry in calFeed.Entries)
> >>> {
> >>> Console.WriteLine(entry);
> >>> }
> >>> }
> >>> }
> >>> }
>
> >>> }
>
> >>> ==============================
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