[MOBY-l] glue for web services...

[Michael Jensen]

There are lots of neat services people are putting up on moby. One of 
the advantages to moby is being able to put together services...one 
service's output as another's input. Is there some quick way to get the 
output from one service into another service without parsing all the 
XML as the result? For example I would like to use SearchPubMed and get 
some PMIDs, and then use those in GetPubmed to get the MEDLINE display 
format. Any help, guidance, or redirection would be appreciated!


I have been learning by using one of the tutorial scripts like the 
following:


#!/usr/bin/perl
#Executes a service, where the name of the service, its namespace and 
its parameter are provided on the command line.

use MOBY::Client::Central;
use MOBY::Client::Service;

my $Central = MOBY::Client::Central->new();

my $serv_name = ($ARGV[0])? $ARGV[0] : 'getGoTerm';
my $namespace = ($ARGV[1])? $ARGV[1] : 'go';
my $query = ($ARGV[2])? $ARGV[2] : '0012502';
print $serv_name, " ", $namespace, " ", $query, "\n";

my ($ServiceInstances,$RegObject) = $Central->findService(
                                           serviceName=>$serv_name);
if (not $ServiceInstances) {
     die $RegObject->message;
}

foreach my $ServiceInstance (@{ $ServiceInstances} ) {
     my $WSDL = $Central->retrieveService($ServiceInstance);
     my $Service = MOBY::Client::Service->new(service => $WSDL);
     my $Triple = '<Object namespace="' . $namespace . '" id="' . $query 
. '"/>';
     print "Triple: $Triple\n";
     print "Sending request to ", $ServiceInstance->authority,"\n";
     my $result = $Service->execute(XMLinputlist => [
                              ['object1', $Triple] ]);
     print "result: ", $result, "\n";
}

The result is in XML format so I could parse it and get my values, but 
I was thinking there may be a better way to do it than I am not aware 
of. Thanks!

-Michael Jensen
mdjgf8 at mizzou.edu
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