NAME

XML::Compile::SOAP11 - base for SOAP1.1 implementation

INHERITANCE

XML::Compile::SOAP11 has extra code in
  XML::Compile::SOAP11::Encoding

XML::Compile::SOAP11
  is a XML::Compile::SOAP

XML::Compile::SOAP11 is extended by
  XML::Compile::SOAP11::Client
  XML::Compile::SOAP11::Server

SYNOPSIS

# use either XML::Compile::SOAP11::Client or ::Server
# See XML::Compile::SOAP for global usage examples.

DESCRIPTION

This module handles the SOAP protocol version 1.1. See http://www.w3.org/TR/2000/NOTE-SOAP-20000508/). The implementation tries to behave like described in http://www.ws-i.org/Profiles/BasicProfile-1.0.html

Two extensions are made: the SOAP11 client XML::Compile::SOAP11::Client. and server in XML::Compile::SOAP11::Server.

See documentation in the base class.

METHODS

See documentation in the base class.

Constructors

See documentation in the base class.

$obj->new(OPTIONS)

To simplify the URIs of the actors, as specified with the destination option, you may use the STRING NEXT. It will be replaced by the right URI.

-Option    --Defined in        --Default
 media_type  XML::Compile::SOAP  text/xml
 schemas     XML::Compile::SOAP  created internally

media_type => MIMETYPE
schemas => XML::Compile::Cache object

XML::Compile::SOAP11->register(URI, ENVNS)

See "Constructors" in XML::Compile::SOAP

Accessors

See documentation in the base class.

$obj->mediaType(): See "Accessors" in XML::Compile::SOAP
$obj->schemas(): See "Accessors" in XML::Compile::SOAP
$obj->version(): See "Accessors" in XML::Compile::SOAP

Single message

See documentation in the base class.

$obj->compileMessage(('SENDER'|'RECEIVER'), OPTIONS)

-Option        --Defined in        --Default
 body            XML::Compile::SOAP  []
 destination     XML::Compile::SOAP  []
 faults          XML::Compile::SOAP  []
 header          XML::Compile::SOAP  undef
 headerfault                         []
 mustUnderstand  XML::Compile::SOAP  []
 procedure       XML::Compile::SOAP  undef
 role            XML::Compile::SOAP  ULTIMATE
 roles           XML::Compile::SOAP  []

body => ENTRIES|HASH
destination => ARRAY-OF-PAIRS
faults => ENTRIES|HASH
header => ENTRIES|HASH
headerfault => ENTRIES: ARRAY of simple name with element references, for all expected faults. There can be unexpected faults, which will not get decoded automatically.
mustUnderstand => STRING|ARRAY-OF-STRING
procedure => TYPE
role => URI|ARRAY-OF-URI
roles => ARRAY-OF-URI

$obj->messageStructure(XML)

XML::Compile::SOAP11->messageStructure(XML)

See "Single message" in XML::Compile::SOAP

Helpers

See documentation in the base class.

Transcoding

See documentation in the base class.

$obj->replyMustUnderstandFault(TYPE): See "Transcoding" in XML::Compile::SOAP
$obj->roleAbbreviation(URI): See "Transcoding" in XML::Compile::SOAP
$obj->roleURI(URI|STRING): See "Transcoding" in XML::Compile::SOAP

DETAILS

See documentation in the base class.

SOAP introduction

See documentation in the base class.

Naming types and elements

See documentation in the base class.

Client and Server implementations

See documentation in the base class.

Use of wildcards (any/anyAttribute)

See documentation in the base class.

Header and Body entries

You only call compileMessage() explicitly if you do not have a WSDL file which contains this information. In the unlucky situation, you have to dig out the defined types by hand.

But even with a WSDL, there are still a few problems you may encounter. For instance, the WSDL will not contain mustUnderstand and actor header routing information. You can add these to the compileClient call

my $call = $wsdl->compileClient
  ( 'MyCall'
  , mustUnderstand => 'h1'
  , destination    => [ h1 => 'NEXT' ]
  );

Simplest form

In the simplest form, the header and body refer (optionally) to a list of PAIRS, each containing a free to choose unique label and the type of the element. The unique label will be used in the Perl HASH which represents the message.

my $h1el = pack_type $myns, $some_local;
my $b1el = 'myprefix:$other_local';

my $encode_query = $client->compileMessage
  ( 'SENDER'
  , header   => [ h1 => $h1el ]
  , body     => [ b1 => $b1el ]
  , mustUnderstand => 'h1'
  , destination    => [ h1 => 'NEXT' ]
  );

Most powerful form

When the simple form is too simple, you can use a HASH for the header, body or both. The HASH structure is much like the WSDL structure. For example:

my $encode_query = $client->compileMessage
  ( 'SENDER'
  , header   =>
     { use   => 'literal'
     , parts => [ { name => 'h1', element => $h1el
                  , mustUnderstand => 1, destination => 'NEXT'
                  } ]
     }
  , body     => [ b1 => $b1el ]
  );

So, the header now is one HASH, which tells us that we have a literal definition (this is the default). The optional parts for the header is an ARRAY of HASHes, each describing one part. As you can see, the mustUnderstand and destination fields are more convenient (although the other syntax will work as well).

If you feel the need to control the compilation of the various parts, with hooks or options (see XML::Compile::Schema::compile()), then have a look at XML::Compile::Cache::declare(). Declare how to handle the various types before you call compileMessage().

Receiving faults in SOAP1.1

When faults are received, they will be returned with the Fault key in the data structure. So:

my $answer = $call->($question);
if($answer->{Fault}) { ... }

As extra service, for each of the fault types, as defined with compileMessage(faults), a decoded structure is included. The name of that structure can be found like this:

if(my $faults = $answer->{Fault})
{   my $name    = $faults->{_NAME};
    my $decoded = $answer->{$name};
    ...
}

The untranslated $faults HASH looks like this:

Fault =>
  { faultcode => '{http://schemas.xmlsoap.org/soap/envelope/}Server.first'
  , faultstring => 'my mistake'
  , faultactor => 'http://schemas.xmlsoap.org/soap/actor/next'
  , detail => { '{http://test-types}fault_one' => [ XMLNODES ] }
  , _NAME => 'fault1'
  }

The _NAME originates from the compileMessage(faults) option:

$soap->compileMessage('RECEIVER', ...
  , faults => [ fault1 => '{http://test-types}fault_one' ] );

Now, automatically the answer will contain the decoded fault structure as well:

fault1 =>
  { code => '{http://schemas.xmlsoap.org/soap/envelope/}Server.first'
  , class  => [ 'http://schemas.xmlsoap.org/soap/envelope/'
       , 'Receiver', 'first' ]
  , reason => 'my mistake',
  , role   => 'NEXT'
  , detail => { help => 'please ignore' }
  }

The detail is the decoding of the XMLNODES, which are defined to be of type {http://test-types}fault_one.

The class is an unpacked version of the code. SOAP1.2 is using the (better) terms Sender and Receiver.

role is constructed by decoding the faultactor using roleAbbreviation(). The names are closer to the SOAP1.2 specification.

If the received fault is of an unpredicted type, then the client tries to DWIM. in the worst case, detail will list the unparsed XMLNODEs. When the XML::Compile::SOAP::Daemon server has produced the error, the content of the reply will typically be

{ Fault =>        # SOAP version specific
   { _NAME => 'error'
   , #...more...
   }
, error =>        # less SOAP version specific, readable
   { role    => 'NEXT'
   , reason  => 'procedure xyz for SOAP11 produced an invalid response'
   , error   => 'some explanation'
   , code    =>
       '{http://schemas.xmlsoap.org/soap/envelope/}Server.invalidResponse'
   , class   => [ SOAP11ENV, 'Receiver', 'invalidResponse' ],
   }
 }

Hence, a typical client routine could contain

my ($answer, $trace) = $call->(message => $message);
if(my $f = $answer->{Fault})
{   if($f->{_NAME} eq 'error')
    {   # server implementation error
        die "SERVER ERROR:\n$answer->{error}{error}\n";
    }
    else
    {   # the fault is described in the WSDL, handle it!
        warn "FAULT:\n",Dumper $answer->{$f->{_NAME}};
    }
}
else
{   # correct answer
    print Dumper $answer;
}

my ($answer, $trace) = $call->(message => $message);
$answer or die $trace->error;

LICENSE

Copyrights 2007-2014 by [Mark Overmeer]. For other contributors see ChangeLog.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html

To install XML::Compile::SOAP, copy and paste the appropriate command in to your terminal.

cpanm

cpanm XML::Compile::SOAP

CPAN shell

perl -MCPAN -e shell
install XML::Compile::SOAP

For more information on module installation, please visit the detailed CPAN module installation guide.

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NAME

INHERITANCE

SYNOPSIS

DESCRIPTION

METHODS

Constructors

Accessors

Single message

Helpers

Transcoding

DETAILS

SOAP introduction

Naming types and elements

Client and Server implementations

Use of wildcards (any/anyAttribute)

Header and Body entries

Simplest form

Most powerful form

Receiving faults in SOAP1.1

SEE ALSO

LICENSE

Module Install Instructions