[Asterisk-java-users] AGI Mapping Strategies in Asterisk-Java 0.3

[Stefan R. <sr...@re...>]

Hi,

let's sched some light on the mapping strategis for FastAGI scripts in
the upcoming Asterisk-Java 0.3 release:

As Tony pointed out Asterisk-Java 0.3 by default uses a
CompositeMappingStrategy to determine which script class to use for an
incoming AGI request.
The default is to try the ResourceBundleStrategy (the one already used
by 0.2) first and then fall back to the ClassNameMappingStrategy.

ResourceBundleStrategy looks for fastagi-mapping.properties on the
classpath. To map a call to "agi://localhost/my-script.agi" to your AGI
script MyScript in com.example.agi you would place a line like this in
the properties file:
my-script.agi	com.example.agi.MyScript

If there is no fastagi-mapping.properties file on the classpath or the
properties file does not a mapping that matches the request the
ClassNameMappingStrategy is used: It looks for a Java class with a
default (i.e. public and without arguments) constructor that implements
AgiScript and has a full name corresponding to your request. So to call
your script using the ClassNameMappingStrategy you would place something
like
exten =3D> 123,1,AGI(agi://localhost/com.example.agi.MyScript)
in your dialplan.

The main purpose of the ClassNameMappingStrategy is to make easy things
easy. So in a simple case you dont need any mapping properties files and
just call your script class directly.
Hope that explanation helps and you like the idea.

=3DStefan

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