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.\" ========================================================================
.\"
.IX Title "Net::LDAP::DSML 3"
.TH Net::LDAP::DSML 3 "2013-01-26" "perl v5.8.8" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Net::LDAP::DSML \-\- A DSML Writer for Net::LDAP
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& For a directory entry;
\&
\& use Net::LDAP;
\& use Net::LDAP::DSML;
\& use IO::File;
\&
\&
\& my $server = "localhost";
\& my $file = "testdsml.xml";
\& my $ldap = Net::LDAP\->new($server);
\&
\& $ldap\->bind();
\&
\&
\& #
\& # For file i/o
\& #
\& my $file = "testdsml.xml";
\&
\& my $io = IO::File\->new($file,"w")
\&     or die ("failed to open $file as filehandle.$!\en");
\&
\& my $dsml = Net::LDAP::DSML\->new(output => $io, pretty_print => 1 )
\&     or die ("DSML object creation problem using an output file.\en");
\& #      OR
\& #
\& # For file i/o
\& #
\&
\& open (IO,">$file") or die("failed to open $file.$!");
\&
\& my $dsml = Net::LDAP::DSML\->new(output => *IO, pretty_print => 1)
\&     or die ("DSML object creation problem using an output file.\en");
\&
\& #      OR
\& #
\& # For array usage.
\& # Pass a reference to an array.
\& #
\&
\& my @data = ();
\& $dsml = Net::LDAP::DSML\->new(output => \e@data, pretty_print => 1)
\&     or die ("DSML object cration problem using an output array.\en");
\&
\&
\&  my $mesg = $ldap\->search(
\&                           base     => \*(Aqo=airius.com\*(Aq,
\&                           scope    => \*(Aqsub\*(Aq,
\&                           filter   => \*(Aqou=accounting\*(Aq,
\&                           callback => sub {
\&                                         my ($mesg,$entry) =@_;
\&                                         $dsml\->write_entry($entry)
\&                                          if (ref $entry eq \*(AqNet::LDAP::Entry\*(Aq);
\&                                       }
\&                            );
\&
\& die ("search failed with ",$mesg\->code(),"\en")  if $mesg\->code();
\&
\& For directory schema;
\&
\& A file or array can be used for output, in the following example
\& only an array will be used.
\&
\& my $schema = $ldap\->schema();
\& my @data = ();
\& my $dsml = Net::LDAP::DSML\->new(output => \e@data, pretty_print => 1 )
\&      or die ("DSML object creation problem using an output array.\en");
\&
\& $dsml\->write_schema($schema);
\&
\& print "Finished printing DSML\en";
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Directory Service Markup Language (\s-1DSML\s0) is the \s-1XML\s0 standard for
representing directory service information in \s-1XML\s0.
.PP
At the moment this module only writes \s-1DSML\s0 entry and schema entities.
Reading \s-1DSML\s0 entities is a future project.
.PP
Eventually this module will be a full level 2 consumer and producer
enabling you to give you full \s-1DSML\s0 conformance.  Currently this
module has the ability to be a level 2 producer.  The user must
understand the his/her directory server will determine the
consumer and producer level they can achieve.
.PP
To determine conformance, it is useful to divide \s-1DSML\s0 documents into
four types:
.PP
.Vb 6
\&  1.Documents containing no directory schema nor any references to
\&    an external schema.
\&  2.Documents containing no directory schema but containing at
\&    least one reference to an external schema.
\&  3.Documents containing only a directory schema.
\&  4.Documents containing both a directory schema and entries.
.Ve
.PP
A producer of \s-1DSML\s0 must be able to produce documents of type 1.
A producer of \s-1DSML\s0 may, in addition, be able to produce documents of
types 2 thru 4.
.PP
A producer that can produce documents of type 1 is said to be a level
1 producer. A producer than can produce documents of all four types is
said to be a level 2 producer.
.SH "CALLBACKS"
.IX Header "CALLBACKS"
The module uses callbacks to improve performance (at least the appearance
of improving performance ;) and to reduce the amount of memory required to
parse large \s-1DSML\s0 files. Every time a single entry or schema is processed
we pass the Net::LDAP object (either an Entry or Schema object) to the
callback routine.
.SH "CONSTRUCTOR"
.IX Header "CONSTRUCTOR"
.IP "new ()" 4
.IX Item "new ()"
Creates a new Net::LDAP::DSML object.  There are 2 options
to this method.
.Sp
\&\f(CW\*(C`output\*(C'\fR is a reference to either a file handle that has already
been opened or to an array.
.Sp
\&\f(CW\*(C`pretty_print\*(C'\fR is an option to print a new line at the end of
each element sequence.  It makes the reading of the \s-1XML\s0 output
easier for a human.
.Sp
\&\fBExample\fR
.Sp
.Vb 2
\&  my $dsml = Net::LDAP::DSML\->new();
\&  Prints xml data to standard out.
\&
\&  my $dsml = Net::LDAP::DSML\->new(output => \e@array);
\&  my $dsml = Net::LDAP::DSML\->new(output => *FILE);
\&  Prints xml data to a file or array.
\&
\&  my $dsml = Net::LDAP::DSML\->new(output => \e@array, pretty_print => 1);
\&  my $dsml = Net::LDAP::DSML\->new(output => *FILE, pretty_print => 1);
\&  Prints xml data to a file or array in pretty print style.
.Ve
.SH "METHODS"
.IX Header "METHODS"
.IP "start_dsml ()" 4
.IX Item "start_dsml ()"
Start a \s-1DSML\s0 file.
.IP "end_dsml ()" 4
.IX Item "end_dsml ()"
End a \s-1DSML\s0 file.
.IP "write_entry ( \s-1ENTRY\s0 )" 4
.IX Item "write_entry ( ENTRY )"
Entry is a Net::LDAP::Entry object. The write method will parse
the \s-1LDAP\s0 data in the Entry object and put it into \s-1DSML\s0 \s-1XML\s0
format.
.Sp
\&\fBExample\fR
.Sp
.Vb 2
\&  my $entry = $mesg\->entry();
\&  $dsml\->write_entry($entry);
.Ve
.IP "write_schema ( \s-1SCHEMA\s0 )" 4
.IX Item "write_schema ( SCHEMA )"
Schema is a Net::LDAP::Schema object. The write_schema method will
parse the \s-1LDAP\s0 data in the Schema object and put it into \s-1DSML\s0 \s-1XML\s0
format.
.Sp
\&\fBExample\fR
.Sp
.Vb 2
\&  my $schema = $ldap\->schema();
\&  $dsml\->write_schema($schema);
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Graham Barr   gbarr@pobox.com
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Net::LDAP,
XML::SAX::Base
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2002\-2006 Graham Barr. All rights reserved. This program is
free software; you can redistribute it and/or modify it under the same
terms as Perl itself.