-#!/usr/bin/env python
+#!/usr/bin/env python2
#
-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2016,2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
# See the License for the specific language governing permissions and
# limitations under the License.
-import os
from string import Template
-import util
+from jvpp_common_gen import generate_hash_code, generate_equals, generate_to_string, generate_fields
+from jvpp_model import is_request, is_reply, is_retval, is_dump, is_details, is_event, is_control_ping, \
+ is_control_ping_reply
-dto_template = Template("""
-package $plugin_package.$dto_package;
-/**
- * <p>This class represents $description.
- * <br>It was generated by dto_gen.py based on $inputfile preparsed data:
- * <pre>
-$docs
- * </pre>
- */
-public final class $cls_name implements $base_package.$dto_package.$base_type {
+def generate_dtos(work_dir, model, logger):
+ logger.debug("Generating DTOs for %s " % model.json_api_files)
+ _generate_message_dtos(work_dir, model, logger)
+ _generate_dump_reply_wrappers(work_dir, model, logger)
-$fields
-$methods
-}
-""")
-dto_template_typeless = Template("""
-package $plugin_package.$dto_package;
+def _generate_message_dtos(work_dir, model, logger):
+ for msg in model.messages:
+ logger.debug("Generating DTO for message %s", msg)
+ class_name = msg.java_name_upper
+
+ if is_control_ping(msg) or is_control_ping_reply(msg):
+ # Skip control_ping managed by jvpp registry.
+ continue
+ if is_request(msg):
+ dto = _generate_request_dto(msg, model, base_type="JVppRequest")
+ elif is_dump(msg):
+ dto = _generate_request_dto(msg, model, base_type="JVppDump")
+ elif is_reply(msg) or is_details(msg):
+ dto = _generate_reply_dto(msg, model)
+ elif is_event(msg):
+ dto = _generate_event_dto(msg, model)
+ else:
+ logger.warn("Failed to generate DTO for: %s. Message type is not supported." % msg)
+ continue
+ with open("%s/%s.java" % (work_dir, class_name), "w") as f:
+ f.write(dto)
+
+
+def _generate_request_dto(msg, model, base_type):
+ msg_java_name_upper = msg.java_name_upper
+ fields = msg.fields
+ return _REQUEST_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ json_filename=model.json_api_files,
+ json_definition=msg.doc,
+ class_name=msg_java_name_upper,
+ base_type=base_type,
+ fields=generate_fields(fields),
+ hash_code=generate_hash_code(fields),
+ equals=generate_equals(msg_java_name_upper, fields),
+ to_string=generate_to_string(msg_java_name_upper, fields),
+ send=_generate_send(model, msg))
+
+_REQUEST_TEMPLATE = Template("""
+package $plugin_package.dto;
/**
- * <p>This class represents $description.
- * <br>It was generated by dto_gen.py based on $inputfile preparsed data:
+ * <p>This class represents request DTO.
+ * <br>It was generated by dto_gen.py based on $json_filename:
* <pre>
-$docs
+$json_definition
* </pre>
*/
-public final class $cls_name {
-
+public final class $class_name implements io.fd.vpp.jvpp.dto.$base_type {
$fields
-$methods
+$hash_code
+$equals
+$to_string
+$send
}
""")
-field_template = Template(""" public $type $name;\n""")
-send_template = Template(""" @Override
- public int send(final $base_package.JVpp jvpp) throws io.fd.vpp.jvpp.VppInvocationException {
+def _generate_send(model, msg):
+ return _SEND_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ plugin_name=model.plugin_java_name,
+ method_name=msg.java_name_lower,
+ args="this" if msg.has_fields else ""
+ )
+
+_SEND_TEMPLATE = Template("""
+ @Override
+ public int send(final io.fd.vpp.jvpp.JVpp jvpp) throws io.fd.vpp.jvpp.VppInvocationException {
return (($plugin_package.JVpp${plugin_name})jvpp).$method_name($args);
}""")
-def generate_dtos(func_list, base_package, plugin_package, plugin_name, dto_package, inputfile, logger):
- """ Generates dto objects in a dedicated package """
- logger.debug("Generating DTOs for %s" % inputfile)
-
- if not os.path.exists(dto_package):
- os.mkdir(dto_package)
-
- for func in func_list:
- camel_case_dto_name = util.underscore_to_camelcase_upper(func['name'])
- camel_case_method_name = util.underscore_to_camelcase(func['name'])
- dto_path = os.path.join(dto_package, camel_case_dto_name + ".java")
-
- if util.is_control_ping(camel_case_dto_name):
- continue
-
- fields = generate_dto_fields(camel_case_dto_name, func)
- methods = generate_dto_base_methods(camel_case_dto_name, func)
- base_type = ""
-
- if util.is_reply(camel_case_dto_name):
- description = "reply DTO"
- request_dto_name = util.remove_reply_suffix(camel_case_dto_name)
- if util.is_details(camel_case_dto_name):
- base_type += "JVppReply<%s.%s.%s>" % (plugin_package, dto_package, request_dto_name + "Dump")
- generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package,
- camel_case_dto_name, camel_case_method_name, func)
- else:
- base_type += "JVppReply<%s.%s.%s>" % (plugin_package, dto_package, request_dto_name)
- elif util.is_dump(camel_case_dto_name) or util.is_request(func['name'], func_list):
- args = "" if fields is "" else "this"
- methods += send_template.substitute(method_name=camel_case_method_name,
- base_package=base_package,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- args=args)
- if util.is_dump(camel_case_dto_name):
- base_type += "JVppDump"
- description = "dump request DTO"
- else:
- base_type += "JVppRequest"
- description = "request DTO"
- else:
- description = "event DTO"
- dto_path = os.path.join(dto_package, camel_case_dto_name + ".java")
-
- write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package,
- dto_path, fields, func, inputfile, methods)
-
- flush_dump_reply_dtos(inputfile)
-
+def _generate_reply_dto(msg, model):
+ msg_java_name_upper = msg.java_name_upper
+ # Negative retval is mapped to java exception, so filter it out:
+ fields = filter(lambda field: not is_retval(field), msg.fields)
+ return _REPLY_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ json_filename=model.json_api_files,
+ json_definition=msg.doc,
+ class_name=msg_java_name_upper,
+ request_name=msg.request_java,
+ fields=generate_fields(fields),
+ hash_code=generate_hash_code(fields),
+ equals=generate_equals(msg_java_name_upper, fields),
+ to_string=generate_to_string(msg_java_name_upper, fields))
+
+_REPLY_TEMPLATE = Template("""
+package $plugin_package.dto;
-def generate_dto_base_methods(camel_case_dto_name, func):
- methods = generate_dto_hash(func)
- methods += generate_dto_equals(camel_case_dto_name, func)
- methods += generate_dto_tostring(camel_case_dto_name, func)
- return methods
+/**
+ * <p>This class represents reply DTO.
+ * <br>It was generated by jvpp_dto_gen.py based on $json_filename:
+ * <pre>
+$json_definition
+ * </pre>
+ */
+public final class $class_name implements io.fd.vpp.jvpp.dto.JVppReply<$plugin_package.dto.$request_name> {
+$fields
+$hash_code
+$equals
+$to_string
+}
+""")
-def generate_dto_fields(camel_case_dto_name, func):
- fields = ""
- for t in zip(func['types'], func['args']):
- # for retval don't generate dto field in Reply
- field_name = util.underscore_to_camelcase(t[1])
- if util.is_reply(camel_case_dto_name) and util.is_retval_field(field_name):
- continue
- fields += field_template.substitute(type=util.jni_2_java_type_mapping[t[0]],
- name=field_name)
- return fields
+def _generate_event_dto(msg, model):
+ msg_java_name_upper = msg.java_name_upper
+ # Negative retval is mapped to java exception, so filter it out:
+ fields = filter(lambda field: not is_retval(field), msg.fields)
+ return _EVENT_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ json_filename=model.json_api_files,
+ json_definition=msg.doc,
+ class_name=msg_java_name_upper,
+ fields=generate_fields(fields),
+ hash_code=generate_hash_code(fields),
+ equals=generate_equals(msg_java_name_upper, fields),
+ to_string=generate_to_string(msg_java_name_upper, fields))
+_EVENT_TEMPLATE = Template("""
+package $plugin_package.dto;
-tostring_field_template = Template(""" \"$field_name=\" + $field_name + ", " +\n""")
-tostring_array_field_template = Template(""" \"$field_name=\" + java.util.Arrays.toString($field_name) + ", " +\n""")
-tostring_template = Template(""" @Override
- public String toString() {
- return "$cls_name{" +
-$fields_tostring "}";
- }\n\n""")
+/**
+ * <p>This class represents event DTO.
+ * <br>It was generated by jvpp_dto_gen.py based on $json_filename:
+ * <pre>
+$json_definition
+ * </pre>
+ */
+public final class $class_name {
+$fields
+$hash_code
+$equals
+$to_string
+}
+""")
-def generate_dto_tostring(camel_case_dto_name, func):
- tostring_fields = ""
- for t in zip(func['types'], func['args']):
+def _generate_dump_reply_wrappers(work_dir, model, logger):
+ for msg in model.messages:
+ if is_details(msg):
+ logger.debug("Generating ReplyDump DTO for message %s", msg)
+ details_class = msg.java_name_upper
+ dto = _REPLY_DUMP_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ json_filename=model.json_api_files,
+ json_definition=msg.doc,
+ details_class=details_class,
+ details_field=msg.java_name_lower,
+ dump_class=msg.request_java
+ )
+ with open("%s/%sReplyDump.java" % (work_dir, details_class), "w") as f:
+ f.write(dto)
+
+_REPLY_DUMP_TEMPLATE = Template("""
+package $plugin_package.dto;
- field_name = util.underscore_to_camelcase(t[1])
- # for retval don't generate dto field in Reply
- if util.is_retval_field(field_name):
- continue
+/**
+ * <p>This class represents dump reply wrapper.
+ * <br>It was generated by jvpp_dto_gen.py based on $json_filename:
+ * <pre>
+$json_definition
+ * </pre>
+ */
+public final class ${details_class}ReplyDump implements io.fd.vpp.jvpp.dto.JVppReplyDump<${plugin_package}.dto.${dump_class}, ${plugin_package}.dto.${details_class}> {
- # handle array types
- if util.is_array(util.jni_2_java_type_mapping[t[0]]):
- tostring_fields += tostring_array_field_template.substitute(field_name=field_name)
- else:
- tostring_fields += tostring_field_template.substitute(field_name=field_name)
+ public java.util.List<${details_class}> ${details_field} = new java.util.ArrayList<>();
- return tostring_template.substitute(cls_name=camel_case_dto_name,
- fields_tostring=tostring_fields[:-8])
+ @Override
+ @io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD")
+ public int hashCode() {
+ return java.util.Objects.hash(${details_field});
+ }
-equals_other_template = Template("""
- final $cls_name other = ($cls_name) o;
-\n""")
-equals_field_template = Template(""" if (!java.util.Objects.equals(this.$field_name, other.$field_name)) {
- return false;
- }\n""")
-equals_array_field_template = Template(""" if (!java.util.Arrays.equals(this.$field_name, other.$field_name)) {
- return false;
- }\n""")
-equals_template = Template(""" @Override
+ @Override
public boolean equals(final Object o) {
if (this == o) {
return true;
if (o == null || getClass() != o.getClass()) {
return false;
}
-$comparisons
- return true;
- }\n\n""")
-
-
-def generate_dto_equals(camel_case_dto_name, func):
- equals_fields = ""
- for t in zip(func['types'], func['args']):
- field_name = util.underscore_to_camelcase(t[1])
- # for retval don't generate dto field in Reply
- if util.is_retval_field(field_name):
- continue
-
- # handle array types
- if util.is_array(util.jni_2_java_type_mapping[t[0]]):
- equals_fields += equals_array_field_template.substitute(field_name=field_name)
- else:
- equals_fields += equals_field_template.substitute(field_name=field_name)
-
- if equals_fields != "":
- equals_fields = equals_other_template.substitute(cls_name=camel_case_dto_name) + equals_fields
-
- return equals_template.substitute(comparisons=equals_fields)
+ final ${details_class}ReplyDump other = (${details_class}ReplyDump) o;
-hash_template = Template(""" @Override
- @io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD")
- public int hashCode() {
- return java.util.Objects.hash($fields);
- }\n\n""")
-hash_single_array_type_template = Template(""" @Override
- @io.fd.vpp.jvpp.coverity.SuppressFBWarnings("UWF_UNWRITTEN_PUBLIC_OR_PROTECTED_FIELD")
- public int hashCode() {
- return java.util.Arrays.hashCode($fields);
- }\n\n""")
-
+ if (!java.util.Objects.equals(this.${details_field}, other.${details_field})) {
+ return false;
+ }
-def generate_dto_hash(func):
- hash_fields = ""
+ return true;
+ }
- # Special handling for hashCode in case just a single array field is present. Cannot use Objects.equals since the
- # array is mistaken for a varargs parameter. Instead use Arrays.hashCode in such case.
- if len(func['args']) == 1:
- single_type = func['types'][0]
- single_type_name = func['args'][0]
- if util.is_array(util.jni_2_java_type_mapping[single_type]):
- return hash_single_array_type_template.substitute(fields=util.underscore_to_camelcase(single_type_name))
+ @Override
+ public String toString() {
+ return "${details_class}ReplyDump{" +
+ "${details_field}=" + ${details_field} + "}";
+ }
- for t in zip(func['types'], func['args']):
- field_name = util.underscore_to_camelcase(t[1])
- # for retval don't generate dto field in Reply
- if util.is_retval_field(field_name):
- continue
- hash_fields += field_name + ", "
-
- return hash_template.substitute(fields=hash_fields[:-2])
-
-
-def write_dto_file(base_package, plugin_package, base_type, camel_case_dto_name, description, dto_package, dto_path,
- fields, func, inputfile, methods):
- dto_file = open(dto_path, 'w')
- if base_type != "":
- dto_file.write(dto_template.substitute(inputfile=inputfile,
- description=description,
- docs=util.api_message_to_javadoc(func),
- cls_name=camel_case_dto_name,
- fields=fields,
- methods=methods,
- base_package=base_package,
- plugin_package=plugin_package,
- base_type=base_type,
- dto_package=dto_package))
- else:
- dto_file.write(dto_template_typeless.substitute(inputfile=inputfile,
- description=description,
- docs=util.api_message_to_javadoc(func),
- cls_name=camel_case_dto_name,
- fields=fields,
- methods=methods,
- plugin_package=plugin_package,
- dto_package=dto_package))
- dto_file.flush()
- dto_file.close()
-
-
-dump_dto_suffix = "ReplyDump"
-dump_reply_artificial_dtos = {}
-
-
-def flush_dump_reply_dtos(inputfile):
- for dump_reply_artificial_dto in dump_reply_artificial_dtos.values():
- dto_path = os.path.join(dump_reply_artificial_dto['dto_package'],
- dump_reply_artificial_dto['cls_name'] + ".java")
- dto_file = open(dto_path, 'w')
- dto_file.write(dto_template.substitute(inputfile=inputfile,
- description="dump reply wrapper",
- docs=dump_reply_artificial_dto['docs'],
- cls_name=dump_reply_artificial_dto['cls_name'],
- fields=dump_reply_artificial_dto['fields'],
- methods=dump_reply_artificial_dto['methods'],
- plugin_package=dump_reply_artificial_dto['plugin_package'],
- base_package=dump_reply_artificial_dto['base_package'],
- base_type=dump_reply_artificial_dto['base_type'],
- dto_package=dump_reply_artificial_dto['dto_package']))
- dto_file.flush()
- dto_file.close()
-
-
-def generate_dump_reply_dto(request_dto_name, base_package, plugin_package, dto_package, camel_case_dto_name,
- camel_case_method_name, func):
- base_type = "JVppReplyDump<%s.%s.%s, %s.%s.%s>" % (
- plugin_package, dto_package, util.remove_reply_suffix(camel_case_dto_name) + "Dump",
- plugin_package, dto_package, camel_case_dto_name)
- fields = " public java.util.List<%s> %s = new java.util.ArrayList<>();" % (camel_case_dto_name, camel_case_method_name)
- cls_name = camel_case_dto_name + dump_dto_suffix
- # using artificial type for fields, just to bypass the is_array check in base methods generators
- # the type is not really used
- artificial_type = 'u8'
-
- # In case of already existing artificial reply dump DTO, just update it
- # Used for sub-dump dtos
- if request_dto_name in dump_reply_artificial_dtos.keys():
- dump_reply_artificial_dtos[request_dto_name]['fields'] += '\n' + fields
- dump_reply_artificial_dtos[request_dto_name]['field_names'].append(func['name'])
- dump_reply_artificial_dtos[request_dto_name]['field_types'].append(artificial_type)
- methods = '\n' + generate_dto_base_methods(dump_reply_artificial_dtos[request_dto_name]['cls_name'],
- {'args': dump_reply_artificial_dtos[request_dto_name]['field_names'],
- 'types': dump_reply_artificial_dtos[request_dto_name]['field_types']})
- dump_reply_artificial_dtos[request_dto_name]['methods'] = methods
- else:
- methods = '\n' + generate_dto_base_methods(cls_name, {'args': [func['name']],
- 'types': [artificial_type]})
- dump_reply_artificial_dtos[request_dto_name] = ({'docs': util.api_message_to_javadoc(func),
- 'cls_name': cls_name,
- 'fields': fields,
- 'field_names': [func['name']],
- 'field_types': [artificial_type],
- # strip too many newlines at the end of base method block
- 'methods': methods,
- 'plugin_package': plugin_package,
- 'base_package': base_package,
- 'base_type': base_type,
- 'dto_package': dto_package})
+}
+""")
Code Review / vpp.git / blobdiff