How to Work with Processes > Working with the HTTP/Web Services Processes Group

Process Purpose

Web services allow access to software components through the HTTP standard protocol. The HTTP/Web Services group of processes enables the device to directly call REST compliant Web Services, SOAP compliant Web Services or any http url.

Most used methods are possible (GET, POST, etc). With this group of processes, it is possible to receive data in JSON and XML formats and to parse them into data files or local databases.

There is one recurring icon in these processes:

Click this icon (located on the upper right corner of the properties window) to setup a time out. See To Define a Time Out below.

To Define a Time Out

The setting of a timeout value allows you to define how long the device will wait to receive the confirmation that the operation is executed with success.

To setup a “Time Out” value:

a. Click on the upper right corner of the process's properties window to open a "Time Out" window.

b. Proceed as follows:

Time out (ms) – 0 for infinite time out
Time Out	Define the time out value in seconds.
Branch to
Abort Key	Select a keyboard key from the drop-down list, in case you need to abort the current operation before the defined timeout is executed.

c. After filling in the required options, click to conclude or to abort the operation.

The URL Assistant

When you click (available to the left of the "URL" text box),it opens the "URL Assistant" window.

Detail of URL Assistant

Fill in the following options:

Domain and Resource Path
Protocol	Select the protocol from the drop-down list or click and select a variable with that value. See Variable Definition.
User	Enter the user or click and select a variable with that value.
Password	Enter the password or click and select a variable with that value.
Domain:port	Enter the "domain:port" or click and select a variable with that value.
Resource Path	Enter the resource path or click and select a variable with that value.
Query String
Name column	Enter the query name(s) or click the corresponding and select a variable with that value.
Value column	Enter the query value(s) or click the corresponding and select a variable with that value.
Fragment ID	Enter the fragment ID or click and select a variable with that value.

Example

The HTTP/Web Services group includes the following processes:

----- Web Services

Working with REST/JSON Process

Working with REST/XML Process

Working with SOAP Process

----- HTTP

Working with Get file from URL Process

Working with HTTP Request Process