As this enhances function in now way, i would advise not spend to much effort
on it. Good way to spread the OJ string into access logs though.
Setting System.setProperty ("http.agent", "OpenJUMP <version string>") should
suffice for the most use cases and is automatically propagated to each new http
connection.
btw. -D<name>=<value> is merely the command line way to set system properties,
programmatically done with System.setProperty(name,value)
..ede
On 03.04.2013 09:58, Rahkonen Jukka wrote:
> Hi,
>
> Service providers appreciate if clients are telling who they are and a common
> way for doing this is to add User-Agent parameter to http headers. Java is
> setting this to something like "User-Agent= Java/1.6.0_43" if user agent is
> not set elsewhere. This is not very useful information for service providers.
>
> There seems to be at least three ways for setting user agent in Java.
> - use jre start option
> -Dhttp.agent="OpenJUMP"
> - use setRequestProperty
> URLConnection conn = url.openConnection();
> conn.setRequestProperty("User-Agent", "OpenJUMP YOURS Client");
> - use System.setProperty ("http.agent", "OpenJUMP GIS");
>
> I do not know how and where the System.setProperty is supposed to be used but
> I tested the two other alternatives. Adding -Dhttp.agent="OpenJUMP" into
> makes OpenJUMP to use header "User-Agent: OpenJUMP Java/1.6.0_43". Using
> setRequestProperty("User-Agent", "OpenJUMP YOURS Client") turns header into
> exactly " User-Agent: OpenJUMP YOURS Client".
>
> I would suggest three things:
> - Add http.agent into WMS connection in around line 117 in the file
> http://jump-pilot.svn.sourceforge.net/viewvc/jump-pilot/core/trunk/src/com/vividsolutions/wms/WMService.java?revision=3459&view=markup
> I woud suggest to use "con.setRequestProperty("User-Agent", "OpenJUMP WMS
> Client");
> - Add jre start option -Dhttp.agent="OpenJUMP" into the starting scripts.
> This makes for example ad hoc BeanShell scripts to advertise OpenJUMP as user
> agent if nothing else is set in the code.
> - Write somewhere into developer documents an advice to use an informative
> user agent if new plugins or scripts are communicating with some services
> through http.
>
> What do the real OJ developers think?
>
> -Jukka Rahkonen-
>
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