Issue 36: converted to not have any java binding, and clarified to deal with enums and constraints

git-svn-id: http://jclouds.googlecode.com/svn/trunk@888 3d8758e0-26b5-11de-8745-db77d3ebf521
This commit is contained in:
adrian.f.cole 2009-06-03 23:24:50 +00:00
parent 34698fb78a
commit 655b34dc9e
1 changed files with 173 additions and 264 deletions

View File

@ -54,15 +54,9 @@ use JSON;
my $refUrl = "http://docs.amazonwebservices.com/AWSEC2/latest/APIReference";
# my $refUrl = "/tmp/scrape";
#my $refUrl = "/tmp/scrape";
my $appUrl = "${refUrl}/OperationList-query.html";
my $global_package = "org.jclouds.aws.ec2";
my $commands_package = $global_package . ".commands";
my $response_package = $commands_package . ".response";
my $options_package = $commands_package . ".options";
my $domain_package = $global_package . ".domain";
my $xml_package = $global_package . ".xml";
my $appUrl = "${refUrl}/OperationList-query.html";
my $domain = {};
@ -75,69 +69,17 @@ sub parse_file {
}
sub parse {
#return parse_file(shift);
return parse_url(shift);
}
sub parse_java_type {
sub get_subtypes {
$_ = shift;
s/xsd:string/String/;
s/xsd:boolean/Boolean/;
s/xsd:Int/Integer/;
s/xsd:dateTime/DateTime/;
if (/Type/ || /Item/) {
my $awsType = $_;
my $javaType = get_java_name($awsType);
#if ( !/Response/ || /ResponseInfoType/ || $javaType =~ /Set/ ) {
$domain->{$awsType} = {
awsType => $awsType,
javaType => $javaType,
packageName => $domain_package,
className => $domain_package . "." . $javaType,
see => ["${refUrl}/ApiReference-ItemType-${awsType}.html"],
fields =>
build_fields("${refUrl}/ApiReference-ItemType-$awsType.html")
};
#}
$_ = $javaType;
if ( /^[A-Z]/ && $_ ne 'String' && $_ ne 'Integer' && $_ ne 'Boolean' ) {
my $type = $_;
$domain->{$type} = build_bean($type);
}
return $_;
}
sub get_java_name {
$_ = shift;
if (/sSetType/) {
s/sSetType//;
return "Set<$_>";
}
if (/sResponseInfoType/){
s/sResponseInfoType//;
return "Set<$_>";
}
if (/sSetItemType/) {
s/sSetItemType//;
}
if (/sResponseItemType/){
s/sResponseItemType//;
}
if (/sItemType/) {
s/sItemType//;
}
if (/sSet/) {
s/sSet//;
}
if (/Set/) {
s/Set//;
}
if (/Type/) {
s/Type//;
}
if (/Item/) {
s/Item//;
}
return $_;
}
sub parse_url {
@ -156,253 +98,220 @@ sub parse_url {
return $tree;
}
sub build_commands {
sub build_queries {
my $tree = parse( $_[0] );
my @out;
foreach my $link (
( $tree->look_down( '_tag', 'div', 'class', 'itemizedlist' ) ) )
{
my $package = $link->look_down( '_tag', 'b' );
$_ = $package->as_text;
s/ //g;
my $packageName = lc();
my @commands;
my $category = $link->look_down( '_tag', 'b' )->as_text();
my $queries;
foreach my $class ( $link->look_down( '_tag', 'a' ) ) {
my $awsType = $class->attr('title');
my $command = {
awsType => $awsType,
packageName => $commands_package . ".$packageName",
className => $commands_package . ".$packageName." . $awsType,
see => ["${refUrl}/ApiReference-query-${awsType}.html"],
response => {
javaType => $awsType . "Response",
awsType => $awsType . "Response",
packageName => $response_package . ".$packageName",
className => $response_package
. ".$packageName."
. $awsType
. "Response",
see => [
"${refUrl}/ApiReference-ItemType-${awsType}Response.html"
]
},
options => {
javaType => $awsType . "Options",
awsType => $awsType . "Options",
packageName => $options_package . ".$packageName",
className => $options_package
. ".$packageName."
. $awsType
. "Options",
see => ["${refUrl}/ApiReference-ItemType-${awsType}.html"]
},
handler => {
awsType => $awsType . "Handler",
packageName => $xml_package . ".$packageName",
className => $xml_package
. ".$packageName."
. $awsType
. "Handler",
see => [
"${refUrl}/ApiReference-ItemType-${awsType}Response.html"
]
}
};
$command = build_command($command);
my $type = $class->attr('title');
my $query = build_query($type);
# do not build options when there are none!
if ( $#{ $$command{options}->{parameters} } == -1 ) {
$$command{options}->{javaType} =
"BaseEC2RequestOptions<EC2RequestOptions>";
$$command{options}->{packageName} = $options_package;
$$command{options}->{className} = $options_package . "."
. "BaseEC2RequestOptions<EC2RequestOptions>";
$$command{options}->{see} = [];
}
# add a domain object for the response type
$domain->{ $type . "Response" } =
build_bean( $type . "Response", "Response" );
# clear parameters for commands who don't require them
if ( $#{ $$command{parameters} } == -1 ) {
delete $$command{parameters};
}
push @commands, $command;
$query->{responseType} = $type . "Response";
$queries->{$type} = $query;
}
push @out,
{
name => $packageName,
commands => \@commands,
name => $category,
queries => $queries,
};
}
$tree->eof;
$tree->delete;
foreach my $packageRef (@out) {
my @commands = @{ $packageRef->{commands} };
foreach my $command (@commands) {
my $fieldCount = scalar @{ $command->{response}->{fields} };
# convert to native java type
if ( $fieldCount == 1 ) {
$command->{response}->{javaType} =
${ $command->{response}->{fields} }[0]->{javaType};
}
}
}
return \@out;
}
sub build_app {
my $url = shift;
my $packages = build_commands($url);
while ( my ( $awsType, $classDef ) = each %$domain ) {
my $fieldCount = scalar @{ $classDef->{fields} };
if ( $fieldCount == 1 ) {
if ( $classDef->{fields}->[0]->{"name"} eq "item" ) {
delete $domain->{$awsType};
}
}
if ( $classDef->{javaType} =~ /^Set/ ) {
delete $domain->{$awsType};
}
}
my $url = shift;
my $categories = build_queries($url);
return {
see => [$url],
packages => $packages,
domain => $domain
see => [$url],
categories => $categories,
domain => $domain
};
}
sub build_command {
my $command = $_[0];
#print "parsing $$command{see}[0]...\n";
my $tree = parse( $$command{see}[0] );
#$tree->dump;
my ${requestExampleDiv} =
$tree->look_down( '_tag', 'h3', 'id',
"ApiReference-query-$$command{awsType}-Example-Request-1" )
->look_up( '_tag', 'div', 'class', 'section' );
$$command{options}->{example} = ${requestExampleDiv}->as_HTML();
my ${reqParamTBody} =
$tree->look_down( '_tag', 'h2', 'id',
"ApiReference-query-$$command{awsType}-Request" )
->look_up( '_tag', 'div', 'class', 'section' )
->look_down( '_tag', 'tbody' );
my @{parameterRows};
if ( defined($reqParamTBody) ) {
@{parameterRows} = ${reqParamTBody}->look_down( '_tag', 'tr' );
}
my @optionParameters;
my @requiredParameters;
foreach my $parameterRow ( @{parameterRows} ) {
my @{row} = $parameterRow->look_down( '_tag', 'td' );
my %param;
$param{name} = ${row}[0]->as_text();
my @{data} = ${row}[1]->look_down( '_tag', 'p' );
foreach ( @{data} ) {
$_ = $_->as_text();
if (s/Default: //) {
$param{param} = $_;
}
elsif (s/Type: //) {
$param{type} = $_;
$param{javaType} = parse_java_type($_);
}
else {
$param{desc} = $_;
}
}
if ( ${row}[2]->as_text() =~ /No/ ) {
push @optionParameters, \%param;
}
else {
push @optionParameters, \%param;
push @requiredParameters, \%param;
}
}
$$command{options}->{parameters} = \@optionParameters;
$$command{parameters} = \@requiredParameters;
my ${responseExampleDiv} =
$tree->look_down( '_tag', 'h3', 'id',
"ApiReference-query-$$command{awsType}-Example-Response-1" )
->look_up( '_tag', 'div', 'class', 'section' );
$$command{handler}->{example} = ${responseExampleDiv}->as_HTML();
$command = build_response($command);
sub build_query {
my $type = shift;
my $query = build_bean( $type, "Request" );
my $tree = parse(${ $query->{see} }[0]);
my @{seeAlsoA} =
$tree->look_down( '_tag', 'div', 'class', 'itemizedlist' )
->look_down( '_tag', 'a' );
foreach ( @{seeAlsoA} ) {
push @{ $command->{see} }, $_->as_text();
push @{ $query->{see} }, $_->as_text();
}
$tree->eof;
$tree->delete;
# print_command($command);
return $command;
}
sub build_response {
my $command = $_[0];
$$command{response}->{fields} =
build_fields( $$command{response}->{see}[0] );
remove_request_ids( $$command{response} );
return $command;
}
# request id is not a domain concern
sub remove_request_ids {
my $response = shift;
my @fields = @{ ${response}->{fields} };
for ( 0 .. $#fields ) {
if ( $fields[$_]->{name} eq "requestId" ) {
splice( @{ ${response}->{fields} }, $_, 1 );
}
}
return $query;
}
sub build_fields {
my @{fieldRows} = @_;
my @params;
foreach my $fieldRow ( @{fieldRows} ) {
my @{row} = $fieldRow->look_down( '_tag', 'td' );
my %param;
$param{name} = ${row}[0]->as_text();
my $enumDiv =
${row}[1]->look_down( '_tag', 'div', "class", "itemizedlist" );
if ( defined $enumDiv ) {
my $enum;
my @enumEntries = $enumDiv->look_down( '_tag', 'p' );
foreach my $enumEntry (@enumEntries) {
$enumEntry = $enumEntry->as_text();
my ( $code, $state ) = split( /: /, $enumEntry );
chomp($code);
chomp($state);
$enum->{$code} = $state;
}
$param{enum} = $enum;
$param{desc} = ${row}[1]->look_down( '_tag', 'p' )->as_text();
}
else {
my @{data} = ${row}[1]->look_down( '_tag', 'p' );
foreach ( @{data} ) {
$_ = $_->as_text();
if (s/Default: //) {
$param{default} = $_;
}
elsif (s/Type: //) {
$param{type} = $_;
get_subtypes($_);
}
elsif (s/Ancestor: //) {
$param{ancestor} = $_;
}
elsif (s/Children: //) {
$param{children} = $_;
}
elsif (s/Constraints: //) {
$param{constraints} = $_;
if (m/.*default: ([0-9]+)/) {
$param{default} = $1;
}
}
elsif (s/Valid Values: //) {
if (/\|/) {
my @valid_values = split(' \| ');
$param{valid_values} = \@valid_values;
}
elsif (/([0-9]+) ?\-([0-9]+)/) {
$param{valid_values} = "$1-$2";
}
}
else {
$param{desc} = $_;
}
}
}
#print "parsing $_[0]\n";
my $tree = parse( $_[0] );
if ( defined ${row}[2] && ${row}[2]->as_text() =~ /No/ ) {
$param{optional} = 'true';
}
else {
$param{optional} = 'false';
}
push @params, \%param;
}
return \@params;
}
sub build_bean {
my $type = shift;
my $class = shift;
my $bean = { type => $type, };
my $see = "${refUrl}/ApiReference-ItemType-${type}.html";
if ( defined $class ) {
$_ = $type;
if ( $class =~ /Response/ ) {
# responses are related to the query. In this case, we must take
# off the suffix Response to get the correct metadata url.
s/$class//;
}
else {
# if we are the query object, then there is a different master url.
$see = "${refUrl}/ApiReference-query-${type}.html";
}
my $query = "${refUrl}/ApiReference-query-${_}.html";
push @{ $bean->{see} }, $query;
my $tree = parse($query);
if ( !defined $tree ) {
print "could not parse tree $_[0]\n";
return {};
}
my $id = "ApiReference-query-${_}-Example-${class}-1";
my ${requestExampleDiv} =
$tree->look_down( '_tag', 'h3', 'id', "$id" )
->look_up( '_tag', 'div', 'class', 'section' );
$bean->{example_html} = ${requestExampleDiv}->as_HTML();
$bean->{example_code} =
${requestExampleDiv}
->look_down( '_tag', 'pre', 'class', 'programlisting' )->as_text();
$tree->eof;
$tree->delete;
}
push @{ $bean->{see} }, $see unless defined $bean->{see};
my $tree = parse($see);
if ( !defined $tree ) {
print "could not parse tree $_[0]\n";
return {};
}
# $tree->dump();
$tree->eof;
my @{fields};
my $id = "ApiReference-ItemType-${type}-Ancestors";
my ${ancestorH2} = $tree->look_down( '_tag', 'h2', 'id', "$id" );
my ${ancestorDiv} =
${ancestorH2}->look_up( '_tag', 'div', 'class', 'section' )
if defined ${ancestorH2};
my ${ancestorLink} =
${ancestorDiv}->look_down( '_tag', 'a', 'class', 'xref' )
if defined ${ancestorDiv};
if ( defined ${ancestorLink} ) {
$bean->{ancestor} = ${ancestorLink}->as_text();
}
else {
$bean->{ancestor} = "None";
}
my @{fieldRows} = my $body = ${tree}->look_down( '_tag', 'tbody' );
return [] unless defined $body; #TODO
if ( !defined $body ) {
print "could not parse body $_[0]\n";
return [];
}
@{fieldRows} = $body->look_down( '_tag', 'tr' );
foreach ( @{fieldRows} ) {
my @row = $_->look_down( '_tag', 'td' );
my %field;
$field{name} = ${row}[0]->as_text();
my @{data} = ${row}[1]->look_down( '_tag', 'p' );
foreach ( @{data} ) {
$_ = $_->as_text();
if (s/Type: //) {
$field{type} = $_;
$field{javaType} = parse_java_type($_);
}
else {
$field{desc} = $_;
}
}
push @fields, \%field;
}
my $fields = build_fields( @{fieldRows} );
$tree->delete;
return \@fields;
$bean->{fields} = $fields;
return $bean;
}
# start app!
my $app = build_app($appUrl);
my $app_json = to_json( $app, { utf8 => 1, pretty => 1 } );
print $app_json