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|
package eXist;
use strict;
use Encode;
use RPC::XML;
use RPC::XML::Client;
###############################################################################
## Constructeur
###############################################################################
sub new {
my $class = shift;
my $self = {};
$self->{URL} = shift;
# Connection au serveur XML-RPC de eXist:
$self->{CLIENT} = new RPC::XML::Client ( $self->{URL} );
$self->{OPTIONS} = RPC::XML::struct->new(
'indent' => 'yes',
# 'encoding' => 'ISO-8859-1'
'encoding' => 'UTF-8'
);
bless ($self, $class);
return $self;
}
###############################################################################
## Méthodes de communication evec eXist: requêtes
###############################################################################
sub execute {
my $self = shift;
my $xquery = shift;
my $req = RPC::XML::request->new(
"executeQuery",
RPC::XML::base64->new($xquery),
"UTF-8",
$self->{OPTIONS}
);
my $response = $self->__process($req);
my $result_id = $response->value;
return $result_id;
}
########################
sub getHits {
my $self = shift;
my $result_id = shift;
my $req = RPC::XML::request->new("getHits", $result_id);
my $response = $self->__process($req);
my $hits = $response->value;
return $hits;
}
########################
sub retrieve {
my $self = shift;
my $result_id = shift;
my $start = (@_) ? shift : 0;
my $max = $self->getHits($result_id);
my $end = (@_) ? shift : $max;
if ($end > $max) { $end = $max; }
my @res;
for (my $i = $start; $i < $end; $i++) {
my $req = RPC::XML::request->new(
"retrieve",
$result_id,
$i,
$self->{OPTIONS}
);
my $response = $self->__process($req);
push @res, $response->value;
}
return @res;
}
########################
sub retrieveAll {
my $self = shift;
my $result_id = shift;
my $req = RPC::XML::request->new(
"retrieveAll",
$result_id,
$self->{OPTIONS}
);
my $response = $self->__process($req);
return $response->value;
}
########################
sub releaseQueryResult {
my $self = shift;
my $result_id = shift;
my $req = RPC::XML::request->new("releaseQueryResult", $result_id);
$self->__process($req);
}
######################
sub getXML {
my $self = shift;
my $xquery = shift;
my $howmany = shift;
my $start = shift;
my $req = RPC::XML::request->new(
"query",
RPC::XML::base64->new($xquery),
$howmany,
$start,
$self->{OPTIONS}
);
my $response = $self->__process($req);
return $response->value;
}
###############################################################################
## Méthodes de communication evec eXist: gestion de documents et collections
###############################################################################
sub createCollection {
my $self = shift;
my $name = shift;
my $req = RPC::XML::request->new(
"createCollection",
$name,
);
my $response = $self->__process($req);
return $response->value;
}
######################
sub removeCollection {
my $self = shift;
my $name = shift;
my $req = RPC::XML::request->new(
"removeCollection",
$name
);
my $response = $self->__process($req);
return $response->value;
}
######################
sub parseFile {
my $self = shift;
my $fileName = shift;
my $docName;
if (@_) { $docName = shift; }
else { die "eXist module: method parseFile: YOU MUST SPECIFY A DOCUMENT NAME!!! (or eXist will totaly crash!)"; }
my $overwrite = (@_) ? shift : 0;
open (XMLFILE, "<:encoding(ISO-8859-1)", $fileName);
my $XMLstring;
<XMLFILE>; # to skip the encoding declaration...
my $XMLstring .= "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
while (<XMLFILE>) {
$XMLstring .= Encode::encode('utf8', $_);
}
#print $XMLstring;
my $req = RPC::XML::request->new(
"parse",
$XMLstring,
$docName,
$overwrite
);
close(XMLFILE);
my $response = $self->__process($req);
return $response->value;
}
###################
sub getDocument {
my $self = shift;
my $name = shift;
my $req = RPC::XML::request->new(
"getDocument",
$name,
$self->{OPTIONS}
);
my $response = $self->__process($req);
return $response->value;
}
###################
sub removeDocument {
my $self = shift;
my $name = shift;
my $req = RPC::XML::request->new(
"remove",
$name
);
my $response = $self->__process($req);
return $response->value;
}
#####################
sub listCollections {
my $self = shift;
my $resource = shift;
my $req = RPC::XML::request->new(
"getCollectionDesc",
$resource
);
my $response = $self->__process($req);
my @respCollections = @{$response->{collections}};
# copy all the collections in an array:
my @collections = ();
foreach(@respCollections) {
push(@collections, $_->value());
}
return @collections;
}
#####################
sub listDocuments {
my $self = shift;
my $resource = shift;
my $req = RPC::XML::request->new(
"getCollectionDesc",
$resource
);
my $response = $self->__process($req);
my @respDocuments = @{$response->{documents}};
# copy all the documents in an array:
my @documents = ();
foreach(@respDocuments) {
my %doc = %{$_->value()};
push(@documents, %doc->{name});
}
return @documents;
}
#####################
sub listCollsAndDocs {
my $self = shift;
my $resource = shift;
my $req = RPC::XML::request->new(
"getCollectionDesc",
$resource
);
my $response = $self->__process($req);
my @respCollections = @{$response->{collections}};
my @respDocuments = @{$response->{documents}};
# copy all the collections in an array:
my @collections = ();
foreach(@respCollections) {
push(@collections, $_->value());
}
# copy all the documents in an array:
my @documents = ();
foreach(@respDocuments) {
my %doc = %{$_->value()};
push(@documents, %doc->{name});
}
return (\@collections, \@documents);
}
#####################
sub browse {
my $self = shift;
my $resource = shift;
# if $resource is a doc, return this doc:
if ($resource =~ /.*\.xml/) {
return ($resource);
}
# browse the collection:
my @documents;
my @collections = ($resource);
while (@collections) {
my $current_coll = shift(@collections);
my $ref_colls;
my $ref_docs;
($ref_colls,$ref_docs) = $self->listCollsAndDocs($current_coll);
foreach(@{$ref_colls}) {
push(@collections, "$current_coll/$_");
}
foreach(@{$ref_docs}) {
push(@documents, "$current_coll/$_");
}
}
return @documents;
}
###############################################################################
## Méthodes d'accès
###############################################################################
sub url {
my $self = shift;
return $self->{URL};
}
###############################################################################
## Méthodes privées
###############################################################################
sub __process {
my $self = shift;
my $request = shift;
#print "$request\n";
my $response = $self->{CLIENT}->send_request($request);
#print "$response\n";
if ($response->is_fault()) {
die "*** eXist's class: An error occurred: " . $response->string . "***\n";
}
return $response;
}
###############################################################################
1; ## Ainsi le 'require' ou le 'use' réussi !! |
passage d'objets en tant qu'arguments
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