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# This file is part of XML-Jing |
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# |
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# This software is copyright (c) 2013 by BYU Translation Research Group. |
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# |
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# This is free software; you can redistribute it and/or modify it under |
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# the same terms as the Perl 5 programming language system itself. |
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# |
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package XML::Jing; |
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# ABSTRACT: Validate XML files using an RNG schema using the Jing tool |
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use strict; |
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use warnings; |
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use Path::Tiny; |
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use File::ShareDir 'dist_dir'; |
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use Carp; |
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our $VERSION = '0.04'; # VERSION |
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#add the Jing jar to the system classpath |
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BEGIN{ |
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use Env::Path; |
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my $classpath = Env::Path->CLASSPATH; |
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$classpath->Append(path(dist_dir('XML-Jing'),'jing.jar')); |
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} |
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require Inline; |
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Inline->import( |
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Java => path(dist_dir('XML-Jing'),'RNGValidator.java'), |
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STUDY => ['RNGValidator'], |
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); |
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use Inline::Java qw(caught); |
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sub new { |
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my ($class, $rng_path, $compact) = @_; |
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unless (-e $rng_path){ |
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croak "File doesn't exist: $rng_path"; |
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} |
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my $self = bless {}, $class; |
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#read in the RNG file, catching any errors |
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eval { |
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$self->{validator} = XML::Jing::RNGValidator->new("$rng_path", $compact) |
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}; |
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if ($@){ |
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if (caught("org.xml.sax.SAXParseException")){ |
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my $error = 'Error reading RNG file: ' . $@->getMessage(); |
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#undef $@ so that the Inline::Java object is released (in case someone catches the croak) |
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undef $@; |
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croak $error; |
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}else{ |
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# It wasn't a Java exception after all... |
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my $error = $@; |
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undef $@; |
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croak $error ; |
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} |
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} |
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return $self; |
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} |
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sub validate { |
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my ($self, $xml_path) = @_; |
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unless (-e $xml_path){ |
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croak "File doesn't exist: $xml_path"; |
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} |
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#validate the file, catching any errors |
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my $errors; |
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eval { |
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$errors = $self->{validator}->validate("$xml_path") |
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}; |
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if($@){ |
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if (caught("java.io.FileNotFoundException")){ |
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my $error = 'Error reading file: ' . $@->getMessage(); |
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#undef $@ so that the Inline::Java object is released (in case someone catches the croak) |
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undef $@; |
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croak $error; |
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}else{ |
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warn 'croaking!'; |
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my $error = $@; |
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undef $@; |
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croak $error; |
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} |
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} |
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return $errors; |
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} |
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1; |
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__END__ |