.prologAttribute()
Description of the method
| Description: |
.prologAttribute() returns raw prolog attribute information e.g. version="1.0" encoding="UTF-8" .prologAttribute("encoding") returns the prolog attribute value for encoding e.g. UTF-8 |
| Available for: |
any |
| Parameters: | attribute name |
| Return type: | string |
Example 1
| Context: | Message |
| OCL: | self.prologAttribute("encoding").matches("UTF-8") |
| Description: | The example rule checks if encoding has value "UTF-8". |
The XML snippet below would pass this check.
<?xml version="1.0" encoding="UTF-8"?>
The other snippet below however would not pass this check as the value is different from "UTF-8".
<?xml version="1.0" encoding="ASCII"?>
Example 2
| Context: | Message |
| OCL: | not(self.prologAttribute().matches('.*[\"].*')) |
| Description: | The example rule checks that the prolog does not contain any double quotation marks. |
The XML snippet below would pass this check.
<?xml version='1.0' encoding='UTF-8'?>
The other snippet below however would not pass this check as the double quotation marks are used for the prolog values.
<?xml version="1.0" encoding="UTF-8"?>