--- /dev/null
+package SQL::Translator::Producer::JSON;
+
+=head1 NAME
+
+SQL::Translator::Producer::JSON - A JSON producer for SQL::Translator
+
+=head1 SYNOPSIS
+
+ use SQL::Translator;
+
+ my $translator = SQL::Translator->new(producer => 'JSON');
+
+=head1 DESCRIPTION
+
+This module serializes a schema to a JSON string.
+
+=cut
+
+use strict;
+use warnings;
+our $VERSION = '1.00';
+
+use JSON;
+
+sub produce {
+ my $translator = shift;
+ my $schema = $translator->schema;
+
+ return to_json({
+ schema => {
+ tables => {
+ map { ($_->name => view_table($_)) }
+ $schema->get_tables,
+ },
+ views => {
+ map { ($_->name => view_view($_)) }
+ $schema->get_views,
+ },
+ triggers => {
+ map { ($_->name => view_trigger($_)) }
+ $schema->get_triggers,
+ },
+ procedures => {
+ map { ($_->name => view_procedure($_)) }
+ $schema->get_procedures,
+ },
+ },
+ translator => {
+ add_drop_table => $translator->add_drop_table,
+ filename => $translator->filename,
+ no_comments => $translator->no_comments,
+ parser_args => $translator->parser_args,
+ producer_args => $translator->producer_args,
+ parser_type => $translator->parser_type,
+ producer_type => $translator->producer_type,
+ show_warnings => $translator->show_warnings,
+ trace => $translator->trace,
+ version => $translator->version,
+ },
+ keys %{$schema->extra} ? ('extra' => { $schema->extra } ) : (),
+ }, {
+ allow_blessed => 1,
+ allow_unknown => 1,
+ %{$translator->producer_args},
+ });
+}
+
+sub view_table {
+ my $table = shift;
+
+ return {
+ 'name' => $table->name,
+ 'order' => $table->order,
+ 'options' => $table->options || [],
+ $table->comments ? ('comments' => $table->comments ) : (),
+ 'constraints' => [
+ map { view_constraint($_) } $table->get_constraints
+ ],
+ 'indices' => [
+ map { view_index($_) } $table->get_indices
+ ],
+ 'fields' => {
+ map { ($_->name => view_field($_)) }
+ $table->get_fields
+ },
+ keys %{$table->extra} ? ('extra' => { $table->extra } ) : (),
+ };
+}
+
+sub view_constraint {
+ my $constraint = shift;
+
+ return {
+ 'deferrable' => scalar $constraint->deferrable,
+ 'expression' => scalar $constraint->expression,
+ 'fields' => [ map { ref $_ ? $_->name : $_ } $constraint->field_names ],
+ 'match_type' => scalar $constraint->match_type,
+ 'name' => scalar $constraint->name,
+ 'options' => scalar $constraint->options,
+ 'on_delete' => scalar $constraint->on_delete,
+ 'on_update' => scalar $constraint->on_update,
+ 'reference_fields' => [ map { ref $_ ? $_->name : $_ } $constraint->reference_fields ],
+ 'reference_table' => scalar $constraint->reference_table,
+ 'type' => scalar $constraint->type,
+ keys %{$constraint->extra} ? ('extra' => { $constraint->extra } ) : (),
+ };
+}
+
+sub view_field {
+ my $field = shift;
+
+ return {
+ 'order' => scalar $field->order,
+ 'name' => scalar $field->name,
+ 'data_type' => scalar $field->data_type,
+ 'size' => [ $field->size ],
+ 'default_value' => scalar $field->default_value,
+ 'is_nullable' => scalar $field->is_nullable,
+ 'is_primary_key' => scalar $field->is_primary_key,
+ 'is_unique' => scalar $field->is_unique,
+ $field->is_auto_increment ? ('is_auto_increment' => 1) : (),
+ $field->comments ? ('comments' => $field->comments) : (),
+ keys %{$field->extra} ? ('extra' => { $field->extra } ) : (),
+ };
+}
+
+sub view_procedure {
+ my $procedure = shift;
+
+ return {
+ 'order' => scalar $procedure->order,
+ 'name' => scalar $procedure->name,
+ 'sql' => scalar $procedure->sql,
+ 'parameters' => scalar $procedure->parameters,
+ 'owner' => scalar $procedure->owner,
+ 'comments' => scalar $procedure->comments,
+ keys %{$procedure->extra} ? ('extra' => { $procedure->extra } ) : (),
+ };
+}
+
+sub view_trigger {
+ my $trigger = shift;
+
+ return {
+ 'order' => scalar $trigger->order,
+ 'name' => scalar $trigger->name,
+ 'perform_action_when' => scalar $trigger->perform_action_when,
+ 'database_events' => scalar $trigger->database_events,
+ 'fields' => scalar $trigger->fields,
+ 'on_table' => scalar $trigger->on_table,
+ 'action' => scalar $trigger->action,
+ keys %{$trigger->extra} ? ('extra' => { $trigger->extra } ) : (),
+ };
+}
+
+sub view_view {
+ my $view = shift;
+
+ return {
+ 'order' => scalar $view->order,
+ 'name' => scalar $view->name,
+ 'sql' => scalar $view->sql,
+ 'fields' => scalar $view->fields,
+ keys %{$view->extra} ? ('extra' => { $view->extra } ) : (),
+ };
+}
+
+sub view_index {
+ my $index = shift;
+
+ return {
+ 'name' => scalar $index->name,
+ 'type' => scalar $index->type,
+ 'fields' => scalar $index->fields,
+ 'options' => scalar $index->options,
+ keys %{$index->extra} ? ('extra' => { $index->extra } ) : (),
+ };
+}
+
+1;
+
+=head1 SEE ALSO
+
+SQL::Translator, JSON, http://www.json.org/.
+
+=head1 AUTHORS
+
+darren chamberlain E<lt>darren@cpan.orgE<gt>,
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>.
+Jon Jensen E<lt>jonj@cpan.orgE<gt>.
+
+=cut