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package SOAP::Data::Builder; |
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use strict; |
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=head1 NAME |
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SOAP::Data::Builder - A wrapper simplifying SOAP::Data and SOAP::Serialiser |
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=head1 DESCRIPTION |
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This Module provides a quick and easy way to build complex SOAP data |
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and header structures for use with SOAP::Lite. |
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It primarily provides a wrapper around SOAP::Serializer and SOAP::Data |
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(or SOAP::Header) enabling you to generate complex XML within your SOAP |
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request or response. |
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=head1 VERSION |
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1.0 |
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=head1 SYNOPSIS |
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use SOAP::Lite ( +trace => 'all', maptype => {} ); |
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use SOAP::Data::Builder; |
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# create new Builder object |
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my $soap_data_builder = SOAP::Data::Builder->new(); |
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# |
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$soap_data_builder->add_elem(name => 'eb:MessageHeader', |
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header=>1, |
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attributes => {"eb:version"=>"2.0", "SOAP::mustUnderstand"=>"1"}); |
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# |
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# uri:example.com |
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# http://rosettanet.org/roles/Buyer |
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# |
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my $from = $soap_data_builder->add_elem(name=>'eb:From', |
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parent=>$soap_data_builder->get_elem('eb:MessageHeader')); |
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$soap_data_builder->add_elem(name=>'eb:PartyId', |
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parent=>$from, |
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value=>'uri:example.com'); |
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$from->add_elem(name=>'eb:Role', value=>'http://path.to/roles/foo'); |
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# |
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$soap_data_builder->add_elem(name=>'eb:DuplicateElimination', parent=>$soap_data_builder->get_elem('eb:MessageHeader')); |
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# fetch Data |
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my $data = SOAP::Data->name('SOAP:ENV' => |
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\SOAP::Data->value( $soap_data_builder->to_soap_data ) |
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); |
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# serialise Data using SOAP::Serializer |
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my $serialized_xml = SOAP::Serializer->autotype(0)->serialize( $data ); |
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# serialise Data using wrapper |
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my $wrapper_serialised_xml = $soap_data_builder->serialise(); |
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# make SOAP request with data |
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my $foo = SOAP::Lite |
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-> uri('http://www.liverez.com/SoapDemo') |
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-> proxy('http://www.liverez.com/soap.pl') |
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-> getTest( $soap_data_builder->to_soap_data ) |
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-> result; |
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=cut |
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use SOAP::Data::Builder::Element; |
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use SOAP::Lite ( maptype => {} ); |
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use Carp qw(carp cluck croak confess); |
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use Data::Dumper; |
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our $VERSION = 1.0; |
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=head1 METHODS |
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=head2 new(autotype=>0) |
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Constructor method for this class, it instantiates and returns the Builder object, |
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taking named options as parameters |
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my $builder = SOAP::Data::Builder->new( autotype=>0 ); # new object with no autotyping |
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supported options are : |
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* autotype which switches on/off SOAP::Serializers autotype setting |
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* readable which switches on/off SOAP::Serialixer readable setting |
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=cut |
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sub new { |
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my ($class,%args) = @_; |
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my $self = { elements => [], }; |
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bless ($self,ref $class || $class); |
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foreach my $key (keys %args) { |
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$self->{options}{$key} = $args{$key}; |
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} |
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return $self; |
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} |
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=head2 serialise() |
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Wrapper for SOAP::Serializer (sic), serialises the contents of the Builder object |
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and returns the XML as a string |
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# serialise Data using wrapper |
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my $wrapper_serialised_xml = $soap_data_builder->serialise(); |
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This method does not accept any arguments |
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NOTE: serialise is spelt properly using the King's English |
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=cut |
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sub serialise { |
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my $self = shift; |
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my $data = SOAP::Data->name('SOAP:ENV' => |
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\SOAP::Data->value( $self->to_soap_data ) |
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); |
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my $serialized = SOAP::Serializer->autotype($self->autotype)->readable($self->readable)->serialize( $data ); |
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} |
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=head2 autotype() |
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returns whether the object currently uses autotype when serialising |
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=cut |
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sub autotype { |
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return shift->{options}{autotype} || 0; |
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} |
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=head2 readable() |
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returns whether the object currently uses readable when serialising |
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=cut |
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sub readable { |
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return shift->{options}{readable} || 0; |
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} |
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=head2 to_soap_data() |
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returns the contents of the object as a list of SOAP::Data and/or SOAP::Header objects |
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NOTE: make sure you call this in array context! |
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=cut |
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sub to_soap_data { |
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my $self = shift; |
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my @data = (); |
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foreach my $elem ( $self->elems ) { |
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push(@data,$self->get_as_data($elem,1)); |
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} |
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return @data; |
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} |
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sub elems { |
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my $self = shift; |
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my @elems = @{$self->{elements}}; |
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return @elems; |
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} |
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=head1 add_elem |
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This method adds an element to the structure, either to the root list |
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or a specified element. |
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optional parameters are : parent, value, attributes, header, isMethod |
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parent should be an element 'add_elem(parent=>$parent_element, .. );' |
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or the full name of an element 'add_elem(parent=>'name/of/parent', .. );' |
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value should be a string, |
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attributes should be a hashref : { 'ns:foo'=> bar, .. } |
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header should be 1 or 0 specifying whether the element should be built using SOAP::Data or SOAP::Header |
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191
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returns the added element |
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my $bar_elem = $builder->add_elem(name=>'bar', value=>$foo->{bar}, parent=>$foo); |
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would produce SOAP::Data representing an XML fragment like '..' |
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=cut |
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sub add_elem { |
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my ($self,%args) = @_; |
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my $elem = SOAP::Data::Builder::Element->new(%args); |
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if ( $args{parent} ) { |
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my $parent = $args{parent}; |
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unless (ref $parent eq 'SOAP::Data::Builder::Element') { |
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$parent = $self->get_elem($args{parent}); |
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} |
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$parent->add_elem($elem); |
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} else { |
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push(@{$self->{elements}},$elem); |
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} |
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return $elem; |
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} |
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=head2 get_elem('ns:elementName') |
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returns an element (which is an internal data structure rather than an object) |
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returns the first element with the name passed as an argument, |
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sub elements can be referred to as 'grandparent/parent/element' |
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This structure is passed to other object methods and may change in behaviour, |
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type or structure without warning as the class is developed |
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224
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=cut |
225
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226
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sub get_elem { |
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my ($self,$name) = (@_,''); |
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my ($a,$b); |
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my @keys = split (/\//,$name); |
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foreach my $elem ( $self->elems) { |
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if ($elem->name eq $keys[0]) { |
232
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$a = $elem; |
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$b = shift(@keys); |
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last; |
235
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} |
236
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} |
237
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238
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my $elem = $a; |
239
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$b = shift(@keys); |
240
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if ($b) { |
241
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$elem = $self->find_elem($elem,$b,@keys); |
242
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} |
243
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244
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return $elem; |
245
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} |
246
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247
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# internal method |
248
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249
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sub find_elem { |
250
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my ($self,$parent,$key,@keys) = @_; |
251
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252
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croak 'parent not defined' unless $parent; |
253
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254
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my ($a,$b); |
255
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foreach my $elem ( $parent->get_children()) { |
256
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next unless ref $elem; |
257
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if ($elem->{name} eq $key) { |
258
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$a = $elem; |
259
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$b = $key; |
260
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last; |
261
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} |
262
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} |
263
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264
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my $elem = $a; |
265
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undef($b); |
266
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while ($b = shift(@keys) ) { |
267
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$elem = $self->find_elem($elem,$b,@keys); |
268
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} |
269
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return $elem; |
270
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} |
271
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272
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273
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# internal method |
274
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275
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sub get_as_data { |
276
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|
my ($self,$elem) = @_; |
277
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|
my @values; |
278
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|
foreach my $value ( @{$elem->value} ) { |
279
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|
|
next unless ($value); |
280
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|
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|
|
if (ref $value) { |
281
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|
|
push(@values,$self->get_as_data($value)) |
282
|
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|
} else { |
283
|
|
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|
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|
|
push(@values,$value); |
284
|
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|
|
} |
285
|
|
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|
|
} |
286
|
|
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|
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|
|
my @data = (); |
287
|
|
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|
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|
|
288
|
|
|
|
|
|
|
if (ref $values[0]) { |
289
|
|
|
|
|
|
|
$data[0] = \SOAP::Data->value( @values ); |
290
|
|
|
|
|
|
|
} else { |
291
|
|
|
|
|
|
|
@data = @values; |
292
|
|
|
|
|
|
|
} |
293
|
|
|
|
|
|
|
if ($elem->{header}) { |
294
|
|
|
|
|
|
|
$data[0] = SOAP::Header->name($elem->{name} => $data[0])->attr($elem->attributes()); |
295
|
|
|
|
|
|
|
} else { |
296
|
|
|
|
|
|
|
if ($elem->{isMethod}) { |
297
|
|
|
|
|
|
|
@data = ( SOAP::Data->name($elem->{name} )->attr($elem->attributes()) => SOAP::Data->value( @values ) ); |
298
|
|
|
|
|
|
|
} elsif ($elem->{type}) { |
299
|
|
|
|
|
|
|
$data[0] = SOAP::Data->name($elem->{name} => $data[0])->attr($elem->attributes())->type($elem->{type}); |
300
|
|
|
|
|
|
|
} else { |
301
|
|
|
|
|
|
|
$data[0] = SOAP::Data->name($elem->{name} => $data[0])->attr($elem->attributes()); |
302
|
|
|
|
|
|
|
} |
303
|
|
|
|
|
|
|
} |
304
|
|
|
|
|
|
|
return @data; |
305
|
|
|
|
|
|
|
} |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
=head2 EXPORT |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
None. |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
=head1 SEE ALSO |
312
|
|
|
|
|
|
|
|
313
|
|
|
|
|
|
|
L |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
L |
316
|
|
|
|
|
|
|
|
317
|
|
|
|
|
|
|
=head1 AUTHOR |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
Aaron Trevena, Eteejay@droogs.orgE |
320
|
|
|
|
|
|
|
|
321
|
|
|
|
|
|
|
=head1 COPYRIGHT AND LICENSE |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
Copyright (C) 2004,2005 by Aaron Trevena |
324
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
This library is free software; you can redistribute it and/or modify |
326
|
|
|
|
|
|
|
it under the same terms as Perl itself, |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
=cut |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
|
331
|
|
|
|
|
|
|
############################################################################# |
332
|
|
|
|
|
|
|
############################################################################# |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
1; |