http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/d709f67d/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc ---------------------------------------------------------------------- diff --git a/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc new file mode 100644 index 0000000..c4cbc45 --- /dev/null +++ b/depends/thirdparty/thrift/compiler/cpp/src/generate/t_java_generator.cc @@ -0,0 +1,5146 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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 + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +#include <cassert> +#include <ctime> + +#include <sstream> +#include <string> +#include <fstream> +#include <iomanip> +#include <iostream> +#include <vector> +#include <cctype> + +#include <sys/stat.h> +#include <stdexcept> + +#include "platform.h" +#include "t_oop_generator.h" + +using std::map; +using std::ofstream; +using std::ostringstream; +using std::setfill; +using std::setw; +using std::string; +using std::stringstream; +using std::vector; + +static const string endl = "\n"; // avoid ostream << std::endl flushes + +/** + * Java code generator. + * + */ +class t_java_generator : public t_oop_generator { +public: + t_java_generator(t_program* program, + const std::map<std::string, std::string>& parsed_options, + const std::string& option_string) + : t_oop_generator(program) { + (void)option_string; + std::map<std::string, std::string>::const_iterator iter; + + iter = parsed_options.find("beans"); + bean_style_ = (iter != parsed_options.end()); + + iter = parsed_options.find("android"); + android_style_ = (iter != parsed_options.end()); + + iter = parsed_options.find("private-members"); + private_members_ = (iter != parsed_options.end()); + + iter = parsed_options.find("nocamel"); + nocamel_style_ = (iter != parsed_options.end()); + + iter = parsed_options.find("fullcamel"); + fullcamel_style_ = (iter != parsed_options.end()); + + iter = parsed_options.find("android_legacy"); + android_legacy_ = (iter != parsed_options.end()); + + iter = parsed_options.find("sorted_containers"); + sorted_containers_ = (iter != parsed_options.end()); + + iter = parsed_options.find("java5"); + java5_ = (iter != parsed_options.end()); + if (java5_) { + android_legacy_ = true; + } + + iter = parsed_options.find("reuse-objects"); + reuse_objects_ = (iter != parsed_options.end()); + + iter = parsed_options.find("option_type"); + use_option_type_ = (iter != parsed_options.end()); + + iter = parsed_options.find("generated_annotations"); + if (iter != parsed_options.end()) { + undated_generated_annotations_ = (iter->second.compare("undated") == 0); + suppress_generated_annotations_ = (iter->second.compare("suppress") == 0); + } else { + undated_generated_annotations_ = false; + suppress_generated_annotations_ = false; + } + + out_dir_base_ = (bean_style_ ? "gen-javabean" : "gen-java"); + } + + /** + * Init and close methods + */ + + void init_generator(); + void close_generator(); + + void generate_consts(std::vector<t_const*> consts); + + /** + * Program-level generation functions + */ + + void generate_typedef(t_typedef* ttypedef); + void generate_enum(t_enum* tenum); + void generate_struct(t_struct* tstruct); + void generate_union(t_struct* tunion); + void generate_xception(t_struct* txception); + void generate_service(t_service* tservice); + + void print_const_value(std::ofstream& out, + std::string name, + t_type* type, + t_const_value* value, + bool in_static, + bool defval = false); + std::string render_const_value(std::ofstream& out, t_type* type, t_const_value* value); + + /** + * Service-level generation functions + */ + + void generate_java_struct(t_struct* tstruct, bool is_exception); + + void generate_java_struct_definition(std::ofstream& out, + t_struct* tstruct, + bool is_xception = false, + bool in_class = false, + bool is_result = false); + void generate_java_struct_parcelable(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_equality(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_compare_to(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_reader(std::ofstream& out, t_struct* tstruct); + void generate_java_validator(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_result_writer(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_writer(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_tostring(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_clear(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_write_object(std::ofstream& out, t_struct* tstruct); + void generate_java_struct_read_object(std::ofstream& out, t_struct* tstruct); + void generate_java_meta_data_map(std::ofstream& out, t_struct* tstruct); + void generate_field_value_meta_data(std::ofstream& out, t_type* type); + std::string get_java_type_string(t_type* type); + void generate_java_struct_field_by_id(ofstream& out, t_struct* tstruct); + void generate_reflection_setters(std::ostringstream& out, + t_type* type, + std::string field_name, + std::string cap_name); + void generate_reflection_getters(std::ostringstream& out, + t_type* type, + std::string field_name, + std::string cap_name); + void generate_generic_field_getters_setters(std::ofstream& out, t_struct* tstruct); + void generate_generic_isset_method(std::ofstream& out, t_struct* tstruct); + void generate_java_bean_boilerplate(std::ofstream& out, t_struct* tstruct); + + void generate_function_helpers(t_function* tfunction); + std::string as_camel_case(std::string name, bool ucfirst = true); + std::string get_rpc_method_name(std::string name); + std::string get_cap_name(std::string name); + std::string generate_isset_check(t_field* field); + std::string generate_isset_check(std::string field); + void generate_isset_set(ofstream& out, t_field* field, std::string prefix); + std::string isset_field_id(t_field* field); + + void generate_service_interface(t_service* tservice); + void generate_service_async_interface(t_service* tservice); + void generate_service_helpers(t_service* tservice); + void generate_service_client(t_service* tservice); + void generate_service_async_client(t_service* tservice); + void generate_service_server(t_service* tservice); + void generate_service_async_server(t_service* tservice); + void generate_process_function(t_service* tservice, t_function* tfunction); + void generate_process_async_function(t_service* tservice, t_function* tfunction); + + void generate_java_union(t_struct* tstruct); + void generate_union_constructor(ofstream& out, t_struct* tstruct); + void generate_union_getters_and_setters(ofstream& out, t_struct* tstruct); + void generate_union_is_set_methods(ofstream& out, t_struct* tstruct); + void generate_union_abstract_methods(ofstream& out, t_struct* tstruct); + void generate_check_type(ofstream& out, t_struct* tstruct); + void generate_standard_scheme_read_value(ofstream& out, t_struct* tstruct); + void generate_standard_scheme_write_value(ofstream& out, t_struct* tstruct); + void generate_tuple_scheme_read_value(ofstream& out, t_struct* tstruct); + void generate_tuple_scheme_write_value(ofstream& out, t_struct* tstruct); + void generate_get_field_desc(ofstream& out, t_struct* tstruct); + void generate_get_struct_desc(ofstream& out, t_struct* tstruct); + void generate_get_field_name(ofstream& out, t_struct* tstruct); + + void generate_union_comparisons(ofstream& out, t_struct* tstruct); + void generate_union_hashcode(ofstream& out, t_struct* tstruct); + + void generate_scheme_map(ofstream& out, t_struct* tstruct); + void generate_standard_writer(ofstream& out, t_struct* tstruct, bool is_result); + void generate_standard_reader(ofstream& out, t_struct* tstruct); + void generate_java_struct_standard_scheme(ofstream& out, t_struct* tstruct, bool is_result); + + void generate_java_struct_tuple_scheme(ofstream& out, t_struct* tstruct); + void generate_java_struct_tuple_reader(ofstream& out, t_struct* tstruct); + void generate_java_struct_tuple_writer(ofstream& out, t_struct* tstruct); + + void generate_javax_generated_annotation(ofstream& out); + /** + * Serialization constructs + */ + + void generate_deserialize_field(std::ofstream& out, + t_field* tfield, + std::string prefix = "", + bool has_metadata = true); + + void generate_deserialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = ""); + + void generate_deserialize_container(std::ofstream& out, + t_type* ttype, + std::string prefix = "", + bool has_metadata = true); + + void generate_deserialize_set_element(std::ofstream& out, + t_set* tset, + std::string prefix = "", + std::string obj = "", + bool has_metadata = true); + + void generate_deserialize_map_element(std::ofstream& out, + t_map* tmap, + std::string prefix = "", + std::string obj = "", + bool has_metadata = true); + + void generate_deserialize_list_element(std::ofstream& out, + t_list* tlist, + std::string prefix = "", + std::string obj = "", + bool has_metadata = true); + + void generate_serialize_field(std::ofstream& out, + t_field* tfield, + std::string prefix = "", + bool has_metadata = true); + + void generate_serialize_struct(std::ofstream& out, t_struct* tstruct, std::string prefix = ""); + + void generate_serialize_container(std::ofstream& out, + t_type* ttype, + std::string prefix = "", + bool has_metadata = true); + + void generate_serialize_map_element(std::ofstream& out, + t_map* tmap, + std::string iter, + std::string map, + bool has_metadata = true); + + void generate_serialize_set_element(std::ofstream& out, + t_set* tmap, + std::string iter, + bool has_metadata = true); + + void generate_serialize_list_element(std::ofstream& out, + t_list* tlist, + std::string iter, + bool has_metadata = true); + + void generate_deep_copy_container(std::ofstream& out, + std::string source_name_p1, + std::string source_name_p2, + std::string result_name, + t_type* type); + void generate_deep_copy_non_container(std::ofstream& out, + std::string source_name, + std::string dest_name, + t_type* type); + + enum isset_type { ISSET_NONE, ISSET_PRIMITIVE, ISSET_BITSET }; + isset_type needs_isset(t_struct* tstruct, std::string* outPrimitiveType = NULL); + + /** + * Helper rendering functions + */ + + std::string java_package(); + std::string java_type_imports(); + std::string java_suppressions(); + std::string type_name(t_type* ttype, + bool in_container = false, + bool in_init = false, + bool skip_generic = false, + bool force_namespace = false); + std::string base_type_name(t_base_type* tbase, bool in_container = false); + std::string declare_field(t_field* tfield, bool init = false, bool comment = false); + std::string function_signature(t_function* tfunction, std::string prefix = ""); + std::string function_signature_async(t_function* tfunction, + bool use_base_method = false, + std::string prefix = ""); + std::string argument_list(t_struct* tstruct, bool include_types = true); + std::string async_function_call_arglist(t_function* tfunc, + bool use_base_method = true, + bool include_types = true); + std::string async_argument_list(t_function* tfunct, + t_struct* tstruct, + t_type* ttype, + bool include_types = false); + std::string type_to_enum(t_type* ttype); + void generate_struct_desc(ofstream& out, t_struct* tstruct); + void generate_field_descs(ofstream& out, t_struct* tstruct); + void generate_field_name_constants(ofstream& out, t_struct* tstruct); + + std::string make_valid_java_filename(std::string const& fromName); + std::string make_valid_java_identifier(std::string const& fromName); + + bool type_can_be_null(t_type* ttype) { + ttype = get_true_type(ttype); + + return ttype->is_container() || ttype->is_struct() || ttype->is_xception() || ttype->is_string() + || ttype->is_enum(); + } + + std::string constant_name(std::string name); + +private: + /** + * File streams + */ + + std::string package_name_; + std::ofstream f_service_; + std::string package_dir_; + + bool bean_style_; + bool android_style_; + bool private_members_; + bool nocamel_style_; + bool fullcamel_style_; + bool android_legacy_; + bool java5_; + bool sorted_containers_; + bool reuse_objects_; + bool use_option_type_; + bool undated_generated_annotations_; + bool suppress_generated_annotations_; + +}; + +/** + * Prepares for file generation by opening up the necessary file output + * streams. + * + * @param tprogram The program to generate + */ +void t_java_generator::init_generator() { + // Make output directory + MKDIR(get_out_dir().c_str()); + package_name_ = program_->get_namespace("java"); + + string dir = package_name_; + string subdir = get_out_dir(); + string::size_type loc; + while ((loc = dir.find(".")) != string::npos) { + subdir = subdir + "/" + dir.substr(0, loc); + MKDIR(subdir.c_str()); + dir = dir.substr(loc + 1); + } + if (dir.size() > 0) { + subdir = subdir + "/" + dir; + MKDIR(subdir.c_str()); + } + + package_dir_ = subdir; +} + +/** + * Packages the generated file + * + * @return String of the package, i.e. "package org.apache.thriftdemo;" + */ +string t_java_generator::java_package() { + if (!package_name_.empty()) { + return string("package ") + package_name_ + ";\n\n"; + } + return ""; +} + +/** + * Prints standard java imports + * + * @return List of imports for Java types that are used in here + */ +string t_java_generator::java_type_imports() { + string hash_builder; + string tree_set_and_map; + string annotation_generated; + + string option; + if (sorted_containers_) { + tree_set_and_map = string() + "import java.util.TreeSet;\n" + "import java.util.TreeMap;\n"; + } + + if (use_option_type_) { + option = string() + "import org.apache.thrift.Option;\n"; + } + + // android does not support @Generated Annotation + if (!suppress_generated_annotations_) { + annotation_generated = string() + "import javax.annotation.Generated;\n"; + } + + return string() + hash_builder + "import org.apache.thrift.scheme.IScheme;\n" + + "import org.apache.thrift.scheme.SchemeFactory;\n" + + "import org.apache.thrift.scheme.StandardScheme;\n\n" + + "import org.apache.thrift.scheme.TupleScheme;\n" + + "import org.apache.thrift.protocol.TTupleProtocol;\n" + + "import org.apache.thrift.protocol.TProtocolException;\n" + + "import org.apache.thrift.EncodingUtils;\n" + + option + + "import org.apache.thrift.TException;\n" + + "import org.apache.thrift.async.AsyncMethodCallback;\n" + + "import org.apache.thrift.server.AbstractNonblockingServer.*;\n" + + "import java.util.List;\n" + "import java.util.ArrayList;\n" + "import java.util.Map;\n" + + "import java.util.HashMap;\n" + "import java.util.EnumMap;\n" + "import java.util.Set;\n" + + "import java.util.HashSet;\n" + "import java.util.EnumSet;\n" + tree_set_and_map + + "import java.util.Collections;\n" + "import java.util.BitSet;\n" + + "import java.nio.ByteBuffer;\n" + + "import java.util.Arrays;\n" + annotation_generated + + "import org.slf4j.Logger;\n" + "import org.slf4j.LoggerFactory;\n\n"; +} + +string t_java_generator::java_suppressions() { + return "@SuppressWarnings({\"cast\", \"rawtypes\", \"serial\", \"unchecked\"})\n"; +} + +/** + * Nothing in Java + */ +void t_java_generator::close_generator() { +} + +/** + * Generates a typedef. This is not done in Java, since it does + * not support arbitrary name replacements, and it'd be a wacky waste + * of overhead to make wrapper classes. + * + * @param ttypedef The type definition + */ +void t_java_generator::generate_typedef(t_typedef* ttypedef) { + (void)ttypedef; +} + +/** + * Enums are a class with a set of static constants. + * + * @param tenum The enumeration + */ +void t_java_generator::generate_enum(t_enum* tenum) { + // Make output file + string f_enum_name = package_dir_ + "/" + make_valid_java_filename(tenum->get_name()) + ".java"; + ofstream f_enum; + f_enum.open(f_enum_name.c_str()); + + // Comment and package it + f_enum << autogen_comment() << java_package() << endl; + + // Add java imports + f_enum << string() + "import java.util.Map;\n" + "import java.util.HashMap;\n" + + "import org.apache.thrift.TEnum;" << endl << endl; + + generate_java_doc(f_enum, tenum); + indent(f_enum) << "public enum " << tenum->get_name() << " implements org.apache.thrift.TEnum "; + scope_up(f_enum); + + vector<t_enum_value*> constants = tenum->get_constants(); + vector<t_enum_value*>::iterator c_iter; + bool first = true; + for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { + int value = (*c_iter)->get_value(); + + if (first) { + first = false; + } else { + f_enum << "," << endl; + } + + generate_java_doc(f_enum, *c_iter); + indent(f_enum) << (*c_iter)->get_name() << "(" << value << ")"; + } + f_enum << ";" << endl << endl; + + // Field for thriftCode + indent(f_enum) << "private final int value;" << endl << endl; + + indent(f_enum) << "private " << tenum->get_name() << "(int value) {" << endl; + indent(f_enum) << " this.value = value;" << endl; + indent(f_enum) << "}" << endl << endl; + + indent(f_enum) << "/**" << endl; + indent(f_enum) << " * Get the integer value of this enum value, as defined in the Thrift IDL." + << endl; + indent(f_enum) << " */" << endl; + indent(f_enum) << "public int getValue() {" << endl; + indent(f_enum) << " return value;" << endl; + indent(f_enum) << "}" << endl << endl; + + indent(f_enum) << "/**" << endl; + indent(f_enum) << " * Find a the enum type by its integer value, as defined in the Thrift IDL." + << endl; + indent(f_enum) << " * @return null if the value is not found." << endl; + indent(f_enum) << " */" << endl; + indent(f_enum) << "public static " + tenum->get_name() + " findByValue(int value) { " << endl; + + indent_up(); + + indent(f_enum) << "switch (value) {" << endl; + indent_up(); + + for (c_iter = constants.begin(); c_iter != constants.end(); ++c_iter) { + int value = (*c_iter)->get_value(); + indent(f_enum) << "case " << value << ":" << endl; + indent(f_enum) << " return " << (*c_iter)->get_name() << ";" << endl; + } + + indent(f_enum) << "default:" << endl; + indent(f_enum) << " return null;" << endl; + + indent_down(); + + indent(f_enum) << "}" << endl; + + indent_down(); + + indent(f_enum) << "}" << endl; + + scope_down(f_enum); + + f_enum.close(); +} + +/** + * Generates a class that holds all the constants. + */ +void t_java_generator::generate_consts(std::vector<t_const*> consts) { + if (consts.empty()) { + return; + } + + string f_consts_name = package_dir_ + '/' + make_valid_java_filename(program_name_) + + "Constants.java"; + ofstream f_consts; + f_consts.open(f_consts_name.c_str()); + + // Print header + f_consts << autogen_comment() << java_package() << java_type_imports() << java_suppressions(); + + f_consts << "public class " << make_valid_java_identifier(program_name_) << "Constants {" << endl + << endl; + indent_up(); + vector<t_const*>::iterator c_iter; + for (c_iter = consts.begin(); c_iter != consts.end(); ++c_iter) { + generate_java_doc(f_consts, (*c_iter)); + print_const_value(f_consts, + (*c_iter)->get_name(), + (*c_iter)->get_type(), + (*c_iter)->get_value(), + false); + } + indent_down(); + indent(f_consts) << "}" << endl; + f_consts.close(); +} + +/** + * Prints the value of a constant with the given type. Note that type checking + * is NOT performed in this function as it is always run beforehand using the + * validate_types method in main.cc + */ +void t_java_generator::print_const_value(std::ofstream& out, + string name, + t_type* type, + t_const_value* value, + bool in_static, + bool defval) { + type = get_true_type(type); + + indent(out); + if (!defval) { + out << (in_static ? "" : "public static final ") << type_name(type) << " "; + } + if (type->is_base_type()) { + string v2 = render_const_value(out, type, value); + out << name << " = " << v2 << ";" << endl << endl; + } else if (type->is_enum()) { + out << name << " = " << render_const_value(out, type, value) << ";" << endl << endl; + } else if (type->is_struct() || type->is_xception()) { + const vector<t_field*>& fields = ((t_struct*)type)->get_members(); + vector<t_field*>::const_iterator f_iter; + const map<t_const_value*, t_const_value*>& val = value->get_map(); + map<t_const_value*, t_const_value*>::const_iterator v_iter; + out << name << " = new " << type_name(type, false, true) << "();" << endl; + if (!in_static) { + indent(out) << "static {" << endl; + indent_up(); + } + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + t_type* field_type = NULL; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if ((*f_iter)->get_name() == v_iter->first->get_string()) { + field_type = (*f_iter)->get_type(); + } + } + if (field_type == NULL) { + throw "type error: " + type->get_name() + " has no field " + v_iter->first->get_string(); + } + string val = render_const_value(out, field_type, v_iter->second); + indent(out) << name << "."; + std::string cap_name = get_cap_name(v_iter->first->get_string()); + out << "set" << cap_name << "(" << val << ");" << endl; + } + if (!in_static) { + indent_down(); + indent(out) << "}" << endl; + } + out << endl; + } else if (type->is_map()) { + out << name << " = new " << type_name(type, false, true) << "();" << endl; + if (!in_static) { + indent(out) << "static {" << endl; + indent_up(); + } + t_type* ktype = ((t_map*)type)->get_key_type(); + t_type* vtype = ((t_map*)type)->get_val_type(); + const map<t_const_value*, t_const_value*>& val = value->get_map(); + map<t_const_value*, t_const_value*>::const_iterator v_iter; + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + string key = render_const_value(out, ktype, v_iter->first); + string val = render_const_value(out, vtype, v_iter->second); + indent(out) << name << ".put(" << key << ", " << val << ");" << endl; + } + if (!in_static) { + indent_down(); + indent(out) << "}" << endl; + } + out << endl; + } else if (type->is_list() || type->is_set()) { + out << name << " = new " << type_name(type, false, true) << "();" << endl; + if (!in_static) { + indent(out) << "static {" << endl; + indent_up(); + } + t_type* etype; + if (type->is_list()) { + etype = ((t_list*)type)->get_elem_type(); + } else { + etype = ((t_set*)type)->get_elem_type(); + } + const vector<t_const_value*>& val = value->get_list(); + vector<t_const_value*>::const_iterator v_iter; + for (v_iter = val.begin(); v_iter != val.end(); ++v_iter) { + string val = render_const_value(out, etype, *v_iter); + indent(out) << name << ".add(" << val << ");" << endl; + } + if (!in_static) { + indent_down(); + indent(out) << "}" << endl; + } + out << endl; + } else { + throw "compiler error: no const of type " + type->get_name(); + } +} + +string t_java_generator::render_const_value(ofstream& out, t_type* type, t_const_value* value) { + type = get_true_type(type); + std::ostringstream render; + + if (type->is_base_type()) { + t_base_type::t_base tbase = ((t_base_type*)type)->get_base(); + switch (tbase) { + case t_base_type::TYPE_STRING: + render << '"' << get_escaped_string(value) << '"'; + break; + case t_base_type::TYPE_BOOL: + render << ((value->get_integer() > 0) ? "true" : "false"); + break; + case t_base_type::TYPE_BYTE: + render << "(byte)" << value->get_integer(); + break; + case t_base_type::TYPE_I16: + render << "(short)" << value->get_integer(); + break; + case t_base_type::TYPE_I32: + render << value->get_integer(); + break; + case t_base_type::TYPE_I64: + render << value->get_integer() << "L"; + break; + case t_base_type::TYPE_DOUBLE: + if (value->get_type() == t_const_value::CV_INTEGER) { + render << "(double)" << value->get_integer(); + } else { + render << value->get_double(); + } + break; + default: + throw "compiler error: no const of base type " + t_base_type::t_base_name(tbase); + } + } else if (type->is_enum()) { + std::string namespace_prefix = type->get_program()->get_namespace("java"); + if (namespace_prefix.length() > 0) { + namespace_prefix += "."; + } + render << namespace_prefix << value->get_identifier_with_parent(); + } else { + string t = tmp("tmp"); + print_const_value(out, t, type, value, true); + render << t; + } + + return render.str(); +} + +/** + * Generates a struct definition for a thrift data type. This will be a org.apache.thrift.TBase + * implementor. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_struct(t_struct* tstruct) { + if (tstruct->is_union()) { + generate_java_union(tstruct); + } else { + generate_java_struct(tstruct, false); + } +} + +/** + * Exceptions are structs, but they inherit from Exception + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_xception(t_struct* txception) { + generate_java_struct(txception, true); +} + +/** + * Java struct definition. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_struct(t_struct* tstruct, bool is_exception) { + // Make output file + string f_struct_name = package_dir_ + "/" + make_valid_java_filename(tstruct->get_name()) + + ".java"; + ofstream f_struct; + f_struct.open(f_struct_name.c_str()); + + f_struct << autogen_comment() << java_package() << java_type_imports() << java_suppressions(); + + generate_java_struct_definition(f_struct, tstruct, is_exception); + f_struct.close(); +} + +/** + * Java union definition. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_union(t_struct* tstruct) { + // Make output file + string f_struct_name = package_dir_ + "/" + make_valid_java_filename(tstruct->get_name()) + + ".java"; + ofstream f_struct; + f_struct.open(f_struct_name.c_str()); + + f_struct << autogen_comment() << java_package() << java_type_imports() << java_suppressions(); + + generate_java_doc(f_struct, tstruct); + + bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end()); + + indent(f_struct) << "public " << (is_final ? "final " : "") << "class " << tstruct->get_name() + << " extends org.apache.thrift.TUnion<" << tstruct->get_name() << ", " + << tstruct->get_name() << "._Fields> "; + + scope_up(f_struct); + + generate_struct_desc(f_struct, tstruct); + generate_field_descs(f_struct, tstruct); + + f_struct << endl; + + generate_field_name_constants(f_struct, tstruct); + + f_struct << endl; + + generate_java_meta_data_map(f_struct, tstruct); + + generate_union_constructor(f_struct, tstruct); + + f_struct << endl; + + generate_union_abstract_methods(f_struct, tstruct); + + f_struct << endl; + + generate_java_struct_field_by_id(f_struct, tstruct); + + f_struct << endl; + + generate_union_getters_and_setters(f_struct, tstruct); + + f_struct << endl; + + generate_union_is_set_methods(f_struct, tstruct); + + f_struct << endl; + + generate_union_comparisons(f_struct, tstruct); + + f_struct << endl; + + generate_union_hashcode(f_struct, tstruct); + + f_struct << endl; + + generate_java_struct_write_object(f_struct, tstruct); + + f_struct << endl; + + generate_java_struct_read_object(f_struct, tstruct); + + f_struct << endl; + + scope_down(f_struct); + + f_struct.close(); +} + +void t_java_generator::generate_union_constructor(ofstream& out, t_struct* tstruct) { + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + indent(out) << "public " << type_name(tstruct) << "() {" << endl; + indent_up(); + bool default_value = false; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* type = get_true_type((*m_iter)->get_type()); + if ((*m_iter)->get_value() != NULL) { + indent(out) << "super(_Fields." << constant_name((*m_iter)->get_name()) << ", " + << render_const_value(out, type, (*m_iter)->get_value()) << ");" << endl; + default_value = true; + break; + } + } + if (default_value == false) { + indent(out) << "super();" << endl; + } + indent_down(); + indent(out) << "}" << endl << endl; + + indent(out) << "public " << type_name(tstruct) << "(_Fields setField, Object value) {" << endl; + indent(out) << " super(setField, value);" << endl; + indent(out) << "}" << endl << endl; + + indent(out) << "public " << type_name(tstruct) << "(" << type_name(tstruct) << " other) {" + << endl; + indent(out) << " super(other);" << endl; + indent(out) << "}" << endl; + + indent(out) << "public " << tstruct->get_name() << " deepCopy() {" << endl; + indent(out) << " return new " << tstruct->get_name() << "(this);" << endl; + indent(out) << "}" << endl << endl; + + // generate "constructors" for each field + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* type = (*m_iter)->get_type(); + indent(out) << "public static " << type_name(tstruct) << " " << (*m_iter)->get_name() << "(" + << type_name(type) << " value) {" << endl; + indent(out) << " " << type_name(tstruct) << " x = new " << type_name(tstruct) << "();" << endl; + indent(out) << " x.set" << get_cap_name((*m_iter)->get_name()) << "(value);" << endl; + indent(out) << " return x;" << endl; + indent(out) << "}" << endl << endl; + + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "public static " << type_name(tstruct) << " " << (*m_iter)->get_name() + << "(byte[] value) {" << endl; + indent(out) << " " << type_name(tstruct) << " x = new " << type_name(tstruct) << "();" + << endl; + indent(out) << " x.set" << get_cap_name((*m_iter)->get_name()) + << "(ByteBuffer.wrap(Arrays.copyOf(value, value.length)));" << endl; + indent(out) << " return x;" << endl; + indent(out) << "}" << endl << endl; + } + } +} + +void t_java_generator::generate_union_getters_and_setters(ofstream& out, t_struct* tstruct) { + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + bool first = true; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if (first) { + first = false; + } else { + out << endl; + } + + t_field* field = (*m_iter); + t_type* type = field->get_type(); + std::string cap_name = get_cap_name(field->get_name()); + + generate_java_doc(out, field); + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "public byte[] get" << cap_name << "() {" << endl; + indent(out) << " set" << cap_name << "(org.apache.thrift.TBaseHelper.rightSize(buffer" + << get_cap_name("for") << cap_name << "()));" << endl; + indent(out) << " ByteBuffer b = buffer" << get_cap_name("for") << cap_name << "();" << endl; + indent(out) << " return b == null ? null : b.array();" << endl; + indent(out) << "}" << endl; + + out << endl; + + indent(out) << "public ByteBuffer buffer" << get_cap_name("for") + << get_cap_name(field->get_name()) << "() {" << endl; + indent(out) << " if (getSetField() == _Fields." << constant_name(field->get_name()) << ") {" + << endl; + indent(out) + << " return org.apache.thrift.TBaseHelper.copyBinary((ByteBuffer)getFieldValue());" + << endl; + indent(out) << " } else {" << endl; + indent(out) << " throw new RuntimeException(\"Cannot get field '" << field->get_name() + << "' because union is currently set to \" + getFieldDesc(getSetField()).name);" + << endl; + indent(out) << " }" << endl; + indent(out) << "}" << endl; + } else { + indent(out) << "public " << type_name(field->get_type()) << " get" + << get_cap_name(field->get_name()) << "() {" << endl; + indent(out) << " if (getSetField() == _Fields." << constant_name(field->get_name()) << ") {" + << endl; + indent(out) << " return (" << type_name(field->get_type(), true) << ")getFieldValue();" + << endl; + indent(out) << " } else {" << endl; + indent(out) << " throw new RuntimeException(\"Cannot get field '" << field->get_name() + << "' because union is currently set to \" + getFieldDesc(getSetField()).name);" + << endl; + indent(out) << " }" << endl; + indent(out) << "}" << endl; + } + + out << endl; + + generate_java_doc(out, field); + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "public void set" << get_cap_name(field->get_name()) << "(byte[] value) {" + << endl; + indent(out) << " set" << get_cap_name(field->get_name()) + << "(ByteBuffer.wrap(Arrays.copyOf(value, value.length)));" << endl; + indent(out) << "}" << endl; + + out << endl; + } + indent(out) << "public void set" << get_cap_name(field->get_name()) << "(" + << type_name(field->get_type()) << " value) {" << endl; + if (type_can_be_null(field->get_type())) { + indent(out) << " if (value == null) throw new NullPointerException();" << endl; + } + indent(out) << " setField_ = _Fields." << constant_name(field->get_name()) << ";" << endl; + indent(out) << " value_ = value;" << endl; + indent(out) << "}" << endl; + } +} + +void t_java_generator::generate_union_is_set_methods(ofstream& out, t_struct* tstruct) { + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + bool first = true; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if (first) { + first = false; + } else { + out << endl; + } + + std::string field_name = (*m_iter)->get_name(); + + indent(out) << "public boolean is" << get_cap_name("set") << get_cap_name(field_name) << "() {" + << endl; + indent_up(); + indent(out) << "return setField_ == _Fields." << constant_name(field_name) << ";" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } +} + +void t_java_generator::generate_union_abstract_methods(ofstream& out, t_struct* tstruct) { + generate_check_type(out, tstruct); + out << endl; + generate_standard_scheme_read_value(out, tstruct); + out << endl; + generate_standard_scheme_write_value(out, tstruct); + out << endl; + generate_tuple_scheme_read_value(out, tstruct); + out << endl; + generate_tuple_scheme_write_value(out, tstruct); + out << endl; + generate_get_field_desc(out, tstruct); + out << endl; + generate_get_struct_desc(out, tstruct); + out << endl; + indent(out) << "@Override" << endl; + indent(out) << "protected _Fields enumForId(short id) {" << endl; + indent(out) << " return _Fields.findByThriftIdOrThrow(id);" << endl; + indent(out) << "}" << endl; +} + +void t_java_generator::generate_check_type(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) + << "protected void checkType(_Fields setField, Object value) throws ClassCastException {" + << endl; + indent_up(); + + indent(out) << "switch (setField) {" << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent(out) << " if (value instanceof " << type_name(field->get_type(), true, false, true) + << ") {" << endl; + indent(out) << " break;" << endl; + indent(out) << " }" << endl; + indent(out) << " throw new ClassCastException(\"Was expecting value of type " + << type_name(field->get_type(), true, false) << " for field '" << field->get_name() + << "', but got \" + value.getClass().getSimpleName());" << endl; + // do the real check here + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalArgumentException(\"Unknown field id \" + setField);" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "}" << endl; +} + +void t_java_generator::generate_standard_scheme_read_value(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "protected Object standardSchemeReadValue(org.apache.thrift.protocol.TProtocol " + "iprot, org.apache.thrift.protocol.TField field) throws " + "org.apache.thrift.TException {" << endl; + + indent_up(); + + indent(out) << "_Fields setField = _Fields.findByThriftId(field.id);" << endl; + indent(out) << "if (setField != null) {" << endl; + indent_up(); + indent(out) << "switch (setField) {" << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent_up(); + indent(out) << "if (field.type == " << constant_name(field->get_name()) << "_FIELD_DESC.type) {" + << endl; + indent_up(); + indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << ";" + << endl; + generate_deserialize_field(out, field, ""); + indent(out) << "return " << field->get_name() << ";" << endl; + indent_down(); + indent(out) << "} else {" << endl; + indent(out) << " org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);" << endl; + indent(out) << " return null;" << endl; + indent(out) << "}" << endl; + indent_down(); + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalStateException(\"setField wasn't null, but didn't match any " + "of the case statements!\");" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "} else {" << endl; + indent_up(); + indent(out) << "org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);" << endl; + indent(out) << "return null;" << endl; + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "}" << endl; +} + +void t_java_generator::generate_standard_scheme_write_value(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "protected void standardSchemeWriteValue(org.apache.thrift.protocol.TProtocol " + "oprot) throws org.apache.thrift.TException {" << endl; + + indent_up(); + + indent(out) << "switch (setField_) {" << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent_up(); + indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << " = (" + << type_name(field->get_type(), true, false) << ")value_;" << endl; + generate_serialize_field(out, field, ""); + indent(out) << "return;" << endl; + indent_down(); + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalStateException(\"Cannot write union with unknown field \" + " + "setField_);" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + + indent(out) << "}" << endl; +} + +void t_java_generator::generate_tuple_scheme_read_value(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "protected Object tupleSchemeReadValue(org.apache.thrift.protocol.TProtocol " + "iprot, short fieldID) throws org.apache.thrift.TException {" << endl; + + indent_up(); + + indent(out) << "_Fields setField = _Fields.findByThriftId(fieldID);" << endl; + indent(out) << "if (setField != null) {" << endl; + indent_up(); + indent(out) << "switch (setField) {" << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent_up(); + indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << ";" + << endl; + generate_deserialize_field(out, field, ""); + indent(out) << "return " << field->get_name() << ";" << endl; + indent_down(); + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalStateException(\"setField wasn't null, but didn't match any " + "of the case statements!\");" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "} else {" << endl; + indent_up(); + indent(out) << "throw new TProtocolException(\"Couldn't find a field with field id \" + fieldID);" + << endl; + indent_down(); + indent(out) << "}" << endl; + indent_down(); + indent(out) << "}" << endl; +} + +void t_java_generator::generate_tuple_scheme_write_value(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "protected void tupleSchemeWriteValue(org.apache.thrift.protocol.TProtocol oprot) " + "throws org.apache.thrift.TException {" << endl; + + indent_up(); + + indent(out) << "switch (setField_) {" << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent_up(); + indent(out) << type_name(field->get_type(), true, false) << " " << field->get_name() << " = (" + << type_name(field->get_type(), true, false) << ")value_;" << endl; + generate_serialize_field(out, field, ""); + indent(out) << "return;" << endl; + indent_down(); + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalStateException(\"Cannot write union with unknown field \" + " + "setField_);" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + + indent(out) << "}" << endl; +} + +void t_java_generator::generate_get_field_desc(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "protected org.apache.thrift.protocol.TField getFieldDesc(_Fields setField) {" + << endl; + indent_up(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + indent(out) << "switch (setField) {" << endl; + indent_up(); + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent(out) << " return " << constant_name(field->get_name()) << "_FIELD_DESC;" << endl; + } + + indent(out) << "default:" << endl; + indent(out) << " throw new IllegalArgumentException(\"Unknown field id \" + setField);" << endl; + + indent_down(); + indent(out) << "}" << endl; + + indent_down(); + indent(out) << "}" << endl; +} + +void t_java_generator::generate_get_struct_desc(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "@Override" << endl; + indent(out) << "protected org.apache.thrift.protocol.TStruct getStructDesc() {" << endl; + indent(out) << " return STRUCT_DESC;" << endl; + indent(out) << "}" << endl; +} + +void t_java_generator::generate_union_comparisons(ofstream& out, t_struct* tstruct) { + // equality + indent(out) << "public boolean equals(Object other) {" << endl; + indent(out) << " if (other instanceof " << tstruct->get_name() << ") {" << endl; + indent(out) << " return equals((" << tstruct->get_name() << ")other);" << endl; + indent(out) << " } else {" << endl; + indent(out) << " return false;" << endl; + indent(out) << " }" << endl; + indent(out) << "}" << endl; + + out << endl; + + indent(out) << "public boolean equals(" << tstruct->get_name() << " other) {" << endl; + indent(out) << " return other != null && getSetField() == other.getSetField() && " + "getFieldValue().equals(other.getFieldValue());" << endl; + indent(out) << "}" << endl; + out << endl; + + indent(out) << "@Override" << endl; + indent(out) << "public int compareTo(" << type_name(tstruct) << " other) {" << endl; + indent(out) << " int lastComparison = org.apache.thrift.TBaseHelper.compareTo(getSetField(), " + "other.getSetField());" << endl; + indent(out) << " if (lastComparison == 0) {" << endl; + indent(out) << " return org.apache.thrift.TBaseHelper.compareTo(getFieldValue(), " + "other.getFieldValue());" << endl; + indent(out) << " }" << endl; + indent(out) << " return lastComparison;" << endl; + indent(out) << "}" << endl; + out << endl; +} + +void t_java_generator::generate_union_hashcode(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "@Override" << endl; + indent(out) << "public int hashCode() {" << endl; + indent(out) << " List<Object> list = new ArrayList<Object>();" << endl; + indent(out) << " list.add(this.getClass().getName());" << endl; + indent(out) << " org.apache.thrift.TFieldIdEnum setField = getSetField();" << endl; + indent(out) << " if (setField != null) {" << endl; + indent(out) << " list.add(setField.getThriftFieldId());" << endl; + indent(out) << " Object value = getFieldValue();" << endl; + indent(out) << " if (value instanceof org.apache.thrift.TEnum) {" << endl; + indent(out) << " list.add(((org.apache.thrift.TEnum)getFieldValue()).getValue());" << endl; + indent(out) << " } else {" << endl; + indent(out) << " list.add(value);" << endl; + indent(out) << " }" << endl; + indent(out) << " }" << endl; + indent(out) << " return list.hashCode();" << endl; + indent(out) << "}"; +} + +/** + * Java struct definition. This has various parameters, as it could be + * generated standalone or inside another class as a helper. If it + * is a helper than it is a static class. + * + * @param tstruct The struct definition + * @param is_exception Is this an exception? + * @param in_class If inside a class, needs to be static class + * @param is_result If this is a result it needs a different writer + */ +void t_java_generator::generate_java_struct_definition(ofstream& out, + t_struct* tstruct, + bool is_exception, + bool in_class, + bool is_result) { + generate_java_doc(out, tstruct); + + bool is_final = (tstruct->annotations_.find("final") != tstruct->annotations_.end()); + + if (!in_class && !suppress_generated_annotations_) { + generate_javax_generated_annotation(out); + } + + indent(out) << "public " << (is_final ? "final " : "") << (in_class ? "static " : "") << "class " + << tstruct->get_name() << " "; + + if (is_exception) { + out << "extends TException "; + } + out << "implements org.apache.thrift.TBase<" << tstruct->get_name() << ", " << tstruct->get_name() + << "._Fields>, java.io.Serializable, Cloneable, Comparable<" << tstruct->get_name() << ">"; + + if (android_style_) { + out << ", android.os.Parcelable"; + } + + out << " "; + + scope_up(out); + + generate_struct_desc(out, tstruct); + + // Members are public for -java, private for -javabean + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + out << endl; + + generate_field_descs(out, tstruct); + + out << endl; + + generate_scheme_map(out, tstruct); + + out << endl; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if (bean_style_ || private_members_) { + indent(out) << "private "; + } else { + generate_java_doc(out, *m_iter); + indent(out) << "public "; + } + out << declare_field(*m_iter, false, true) << endl; + } + + out << endl; + + if (android_style_) { + generate_java_struct_parcelable(out, tstruct); + } + + generate_field_name_constants(out, tstruct); + + // isset data + if (members.size() > 0) { + out << endl; + + indent(out) << "// isset id assignments" << endl; + + int i = 0; + int optionals = 0; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if ((*m_iter)->get_req() == t_field::T_OPTIONAL) { + optionals++; + } + if (!type_can_be_null((*m_iter)->get_type())) { + indent(out) << "private static final int " << isset_field_id(*m_iter) << " = " << i << ";" + << endl; + i++; + } + } + + std::string primitiveType; + switch (needs_isset(tstruct, &primitiveType)) { + case ISSET_NONE: + break; + case ISSET_PRIMITIVE: + indent(out) << "private " << primitiveType << " __isset_bitfield = 0;" << endl; + break; + case ISSET_BITSET: + indent(out) << "private BitSet __isset_bit_vector = new BitSet(" << i << ");" << endl; + break; + } + + if (optionals > 0) { + std::string output_string = "private static final _Fields optionals[] = {"; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if ((*m_iter)->get_req() == t_field::T_OPTIONAL) { + output_string = output_string + "_Fields." + constant_name((*m_iter)->get_name()) + ","; + } + } + indent(out) << output_string.substr(0, output_string.length() - 1) << "};" << endl; + } + } + + generate_java_meta_data_map(out, tstruct); + + bool all_optional_members = true; + + // Default constructor + indent(out) << "public " << tstruct->get_name() << "() {" << endl; + indent_up(); + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* t = get_true_type((*m_iter)->get_type()); + if ((*m_iter)->get_value() != NULL) { + print_const_value(out, + "this." + (*m_iter)->get_name(), + t, + (*m_iter)->get_value(), + true, + true); + } + if ((*m_iter)->get_req() != t_field::T_OPTIONAL) { + all_optional_members = false; + } + } + indent_down(); + indent(out) << "}" << endl << endl; + + if (!members.empty() && !all_optional_members) { + // Full constructor for all fields + indent(out) << "public " << tstruct->get_name() << "(" << endl; + indent_up(); + bool first = true; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if ((*m_iter)->get_req() != t_field::T_OPTIONAL) { + if (!first) { + out << "," << endl; + } + first = false; + indent(out) << type_name((*m_iter)->get_type()) << " " << (*m_iter)->get_name(); + } + } + out << ")" << endl; + indent_down(); + indent(out) << "{" << endl; + indent_up(); + indent(out) << "this();" << endl; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + if ((*m_iter)->get_req() != t_field::T_OPTIONAL) { + t_type* type = get_true_type((*m_iter)->get_type()); + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "this." << (*m_iter)->get_name() + << " = org.apache.thrift.TBaseHelper.copyBinary(" << (*m_iter)->get_name() + << ");" << endl; + } else { + indent(out) << "this." << (*m_iter)->get_name() << " = " << (*m_iter)->get_name() << ";" + << endl; + } + generate_isset_set(out, (*m_iter), ""); + } + } + + indent_down(); + indent(out) << "}" << endl << endl; + } + + // copy constructor + indent(out) << "/**" << endl; + indent(out) << " * Performs a deep copy on <i>other</i>." << endl; + indent(out) << " */" << endl; + indent(out) << "public " << tstruct->get_name() << "(" << tstruct->get_name() << " other) {" + << endl; + indent_up(); + + switch (needs_isset(tstruct)) { + case ISSET_NONE: + break; + case ISSET_PRIMITIVE: + indent(out) << "__isset_bitfield = other.__isset_bitfield;" << endl; + break; + case ISSET_BITSET: + indent(out) << "__isset_bit_vector.clear();" << endl; + indent(out) << "__isset_bit_vector.or(other.__isset_bit_vector);" << endl; + break; + } + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = (*m_iter); + std::string field_name = field->get_name(); + t_type* type = field->get_type(); + bool can_be_null = type_can_be_null(type); + + if (can_be_null) { + indent(out) << "if (other." << generate_isset_check(field) << ") {" << endl; + indent_up(); + } + + if (type->is_container()) { + generate_deep_copy_container(out, "other", field_name, "__this__" + field_name, type); + indent(out) << "this." << field_name << " = __this__" << field_name << ";" << endl; + } else { + indent(out) << "this." << field_name << " = "; + generate_deep_copy_non_container(out, "other." + field_name, field_name, type); + out << ";" << endl; + } + + if (can_be_null) { + indent_down(); + indent(out) << "}" << endl; + } + } + + indent_down(); + indent(out) << "}" << endl << endl; + + // clone method, so that you can deep copy an object when you don't know its class. + indent(out) << "public " << tstruct->get_name() << " deepCopy() {" << endl; + indent(out) << " return new " << tstruct->get_name() << "(this);" << endl; + indent(out) << "}" << endl << endl; + + generate_java_struct_clear(out, tstruct); + + generate_java_bean_boilerplate(out, tstruct); + generate_generic_field_getters_setters(out, tstruct); + generate_generic_isset_method(out, tstruct); + + generate_java_struct_equality(out, tstruct); + generate_java_struct_compare_to(out, tstruct); + generate_java_struct_field_by_id(out, tstruct); + + generate_java_struct_reader(out, tstruct); + if (is_result) { + generate_java_struct_result_writer(out, tstruct); + } else { + generate_java_struct_writer(out, tstruct); + } + generate_java_struct_tostring(out, tstruct); + generate_java_validator(out, tstruct); + + generate_java_struct_write_object(out, tstruct); + generate_java_struct_read_object(out, tstruct); + + generate_java_struct_standard_scheme(out, tstruct, is_result); + generate_java_struct_tuple_scheme(out, tstruct); + + scope_down(out); + out << endl; +} + +/** + * generates parcelable interface implementation + */ +void t_java_generator::generate_java_struct_parcelable(ofstream& out, t_struct* tstruct) { + string tname = tstruct->get_name(); + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + + out << indent() << "@Override" << endl << indent() + << "public void writeToParcel(android.os.Parcel out, int flags) {" << endl; + indent_up(); + string bitsetPrimitiveType = ""; + switch (needs_isset(tstruct, &bitsetPrimitiveType)) { + case ISSET_NONE: + break; + case ISSET_PRIMITIVE: + indent(out) << "//primitive bitfield of type: " << bitsetPrimitiveType << endl; + if (bitsetPrimitiveType == "byte") { + indent(out) << "out.writeByte(__isset_bitfield);" << endl; + } else if (bitsetPrimitiveType == "short") { + indent(out) << "out.writeInt(new Short(__isset_bitfield).intValue());" << endl; + } else if (bitsetPrimitiveType == "int") { + indent(out) << "out.writeInt(__isset_bitfield);" << endl; + } else if (bitsetPrimitiveType == "long") { + indent(out) << "out.writeLong(__isset_bitfield);" << endl; + } + out << endl; + break; + case ISSET_BITSET: + indent(out) << "//BitSet" << endl; + indent(out) << "out.writeSerializable(__isset_bit_vector);" << endl; + out << endl; + break; + } + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* t = get_true_type((*m_iter)->get_type()); + string name = (*m_iter)->get_name(); + + if (t->is_struct()) { + indent(out) << "out.writeParcelable(" << name << ", flags);" << endl; + } else if (type_name(t) == "float") { + indent(out) << "out.writeFloat(" << name << ");" << endl; + } else if (t->is_enum()) { + indent(out) << "out.writeInt(" << name << ".getValue());" << endl; + } else if (t->is_list()) { + if (((t_list*)t)->get_elem_type()->get_true_type()->is_struct()) { + indent(out) << "out.writeTypedList(" << name << ");" << endl; + } else { + indent(out) << "out.writeList(" << name << ");" << endl; + } + } else if (t->is_map()) { + indent(out) << "out.writeMap(" << name << ");" << endl; + } else if (t->is_base_type()) { + if (((t_base_type*)t)->is_binary()) { + indent(out) << "out.writeInt(" << name << "!=null ? 1 : 0);" << endl; + indent(out) << "if(" << name << " != null) { " << endl; + indent_up(); + indent(out) << "out.writeByteArray(" << name << ".array(), " << name << ".position() + " + << name << ".arrayOffset(), " << name << ".limit() - " << name + << ".position() );" << endl; + scope_down(out); + } else { + switch (((t_base_type*)t)->get_base()) { + case t_base_type::TYPE_I16: + indent(out) << "out.writeInt(new Short(" << name << ").intValue());" << endl; + break; + case t_base_type::TYPE_I32: + indent(out) << "out.writeInt(" << name << ");" << endl; + break; + case t_base_type::TYPE_I64: + indent(out) << "out.writeLong(" << name << ");" << endl; + break; + case t_base_type::TYPE_BOOL: + indent(out) << "out.writeInt(" << name << " ? 1 : 0);" << endl; + break; + case t_base_type::TYPE_BYTE: + indent(out) << "out.writeByte(" << name << ");" << endl; + break; + case t_base_type::TYPE_DOUBLE: + indent(out) << "out.writeDouble(" << name << ");" << endl; + break; + case t_base_type::TYPE_STRING: + indent(out) << "out.writeString(" << name << ");" << endl; + break; + case t_base_type::TYPE_VOID: + break; + } + } + } + } + scope_down(out); + out << endl; + + out << indent() << "@Override" << endl << indent() << "public int describeContents() {" << endl; + indent_up(); + out << indent() << "return 0;" << endl; + scope_down(out); + out << endl; + + indent(out) << "public " << tname << "(android.os.Parcel in) {" << endl; + indent_up(); + // read in the required bitfield + switch (needs_isset(tstruct, &bitsetPrimitiveType)) { + case ISSET_NONE: + break; + case ISSET_PRIMITIVE: + indent(out) << "//primitive bitfield of type: " << bitsetPrimitiveType << endl; + if (bitsetPrimitiveType == "byte") { + indent(out) << "__isset_bitfield = in.readByte();" << endl; + } else if (bitsetPrimitiveType == "short") { + indent(out) << "__isset_bitfield = (short) in.readInt();" << endl; + } else if (bitsetPrimitiveType == "int") { + indent(out) << "__isset_bitfield = in.readInt();" << endl; + } else if (bitsetPrimitiveType == "long") { + indent(out) << "__isset_bitfield = in.readLong();" << endl; + } + out << endl; + break; + case ISSET_BITSET: + indent(out) << "//BitSet" << endl; + indent(out) << "__isset_bit_vector = (BitSet) in.readSerializable();" << endl; + out << endl; + break; + } + // read all the fields + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_type* t = get_true_type((*m_iter)->get_type()); + string name = (*m_iter)->get_name(); + string prefix = "this." + name; + + if (t->is_struct()) { + indent(out) << prefix << "= in.readParcelable(" << tname << ".class.getClassLoader());" + << endl; + } else if (t->is_enum()) { + indent(out) << prefix << " = " << type_name(t) << ".findByValue(in.readInt());" << endl; + } else if (t->is_list()) { + t_list* list = (t_list*)t; + indent(out) << prefix << " = new " << type_name(t, false, true) << "();" << endl; + if (list->get_elem_type()->get_true_type()->is_struct()) { + indent(out) << "in.readTypedList(" << prefix << ", " << type_name(list->get_elem_type()) + << ".CREATOR);" << endl; + } else { + indent(out) << "in.readList(" << prefix << ", " << tname << ".class.getClassLoader());" + << endl; + } + } else if (t->is_map()) { + indent(out) << prefix << " = new " << type_name(t, false, true) << "();" << endl; + indent(out) << " in.readMap(" << prefix << ", " << tname << ".class.getClassLoader());" + << endl; + } else if (type_name(t) == "float") { + indent(out) << prefix << " = in.readFloat();" << endl; + } else if (t->is_base_type()) { + t_base_type* bt = (t_base_type*)t; + if (bt->is_binary()) { + indent(out) << "if(in.readInt()==1) {" << endl; + indent_up(); + indent(out) << prefix << " = ByteBuffer.wrap(in.createByteArray());" << endl; + scope_down(out); + } else { + switch (bt->get_base()) { + case t_base_type::TYPE_I16: + indent(out) << prefix << " = (short) in.readInt();" << endl; + break; + case t_base_type::TYPE_I32: + indent(out) << prefix << " = in.readInt();" << endl; + break; + case t_base_type::TYPE_I64: + indent(out) << prefix << " = in.readLong();" << endl; + break; + case t_base_type::TYPE_BOOL: + indent(out) << prefix << " = (in.readInt()==1);" << endl; + break; + case t_base_type::TYPE_BYTE: + indent(out) << prefix << " = in.readByte();" << endl; + break; + case t_base_type::TYPE_DOUBLE: + indent(out) << prefix << " = in.readDouble();" << endl; + break; + case t_base_type::TYPE_STRING: + indent(out) << prefix << "= in.readString();" << endl; + break; + case t_base_type::TYPE_VOID: + break; + } + } + } + } + + scope_down(out); + out << endl; + + indent(out) << "public static final android.os.Parcelable.Creator<" << tname + << "> CREATOR = new android.os.Parcelable.Creator<" << tname << ">() {" << endl; + indent_up(); + + indent(out) << "@Override" << endl << indent() << "public " << tname << "[] newArray(int size) {" + << endl; + indent_up(); + indent(out) << "return new " << tname << "[size];" << endl; + scope_down(out); + out << endl; + + indent(out) << "@Override" << endl << indent() << "public " << tname + << " createFromParcel(android.os.Parcel in) {" << endl; + indent_up(); + indent(out) << "return new " << tname << "(in);" << endl; + scope_down(out); + + indent_down(); + indent(out) << "};" << endl; + out << endl; +} + +/** + * Generates equals methods and a hashCode method for a structure. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_struct_equality(ofstream& out, t_struct* tstruct) { + out << indent() << "@Override" << endl << indent() << "public boolean equals(Object that) {" + << endl; + indent_up(); + out << indent() << "if (that == null)" << endl << indent() << " return false;" << endl + << indent() << "if (that instanceof " << tstruct->get_name() << ")" << endl << indent() + << " return this.equals((" << tstruct->get_name() << ")that);" << endl << indent() + << "return false;" << endl; + scope_down(out); + out << endl; + + out << indent() << "public boolean equals(" << tstruct->get_name() << " that) {" << endl; + indent_up(); + out << indent() << "if (that == null)" << endl << indent() << " return false;" << endl; + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + out << endl; + + t_type* t = get_true_type((*m_iter)->get_type()); + // Most existing Thrift code does not use isset or optional/required, + // so we treat "default" fields as required. + bool is_optional = (*m_iter)->get_req() == t_field::T_OPTIONAL; + bool can_be_null = type_can_be_null(t); + string name = (*m_iter)->get_name(); + + string this_present = "true"; + string that_present = "true"; + string unequal; + + if (is_optional || can_be_null) { + this_present += " && this." + generate_isset_check(*m_iter); + that_present += " && that." + generate_isset_check(*m_iter); + } + + out << indent() << "boolean this_present_" << name << " = " << this_present << ";" << endl + << indent() << "boolean that_present_" << name << " = " << that_present << ";" << endl + << indent() << "if (" + << "this_present_" << name << " || that_present_" << name << ") {" << endl; + indent_up(); + out << indent() << "if (!(" + << "this_present_" << name << " && that_present_" << name << "))" << endl << indent() + << " return false;" << endl; + + if (t->is_base_type() && ((t_base_type*)t)->is_binary()) { + unequal = "!this." + name + ".equals(that." + name + ")"; + } else if (can_be_null) { + unequal = "!this." + name + ".equals(that." + name + ")"; + } else { + unequal = "this." + name + " != that." + name; + } + + out << indent() << "if (" << unequal << ")" << endl << indent() << " return false;" << endl; + + scope_down(out); + } + out << endl; + indent(out) << "return true;" << endl; + scope_down(out); + out << endl; + + out << indent() << "@Override" << endl << indent() << "public int hashCode() {" << endl; + indent_up(); + indent(out) << "List<Object> list = new ArrayList<Object>();" << endl; + + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + out << endl; + + t_type* t = get_true_type((*m_iter)->get_type()); + bool is_optional = (*m_iter)->get_req() == t_field::T_OPTIONAL; + bool can_be_null = type_can_be_null(t); + string name = (*m_iter)->get_name(); + + string present = "true"; + + if (is_optional || can_be_null) { + present += " && (" + generate_isset_check(*m_iter) + ")"; + } + + indent(out) << "boolean present_" << name << " = " << present << ";" << endl; + indent(out) << "list.add(present_" << name << ");" << endl; + indent(out) << "if (present_" << name << ")" << endl; + if (t->is_enum()) { + indent(out) << " list.add(" << name << ".getValue());" << endl; + } else { + indent(out) << " list.add(" << name << ");" << endl; + } + } + + out << endl; + indent(out) << "return list.hashCode();" << endl; + indent_down(); + indent(out) << "}" << endl << endl; +} + +void t_java_generator::generate_java_struct_compare_to(ofstream& out, t_struct* tstruct) { + indent(out) << "@Override" << endl; + indent(out) << "public int compareTo(" << type_name(tstruct) << " other) {" << endl; + indent_up(); + + indent(out) << "if (!getClass().equals(other.getClass())) {" << endl; + indent(out) << " return getClass().getName().compareTo(other.getClass().getName());" << endl; + indent(out) << "}" << endl; + out << endl; + + indent(out) << "int lastComparison = 0;" << endl; + out << endl; + + const vector<t_field*>& members = tstruct->get_members(); + vector<t_field*>::const_iterator m_iter; + for (m_iter = members.begin(); m_iter != members.end(); ++m_iter) { + t_field* field = *m_iter; + indent(out) << "lastComparison = Boolean.valueOf(" << generate_isset_check(field) + << ").compareTo(other." << generate_isset_check(field) << ");" << endl; + indent(out) << "if (lastComparison != 0) {" << endl; + indent(out) << " return lastComparison;" << endl; + indent(out) << "}" << endl; + + indent(out) << "if (" << generate_isset_check(field) << ") {" << endl; + indent(out) << " lastComparison = org.apache.thrift.TBaseHelper.compareTo(this." + << field->get_name() << ", other." << field->get_name() << ");" << endl; + indent(out) << " if (lastComparison != 0) {" << endl; + indent(out) << " return lastComparison;" << endl; + indent(out) << " }" << endl; + indent(out) << "}" << endl; + } + + indent(out) << "return 0;" << endl; + + indent_down(); + indent(out) << "}" << endl << endl; +} + +/** + * Generates a function to read all the fields of the struct. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_struct_reader(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "public void read(org.apache.thrift.protocol.TProtocol iprot) throws " + "org.apache.thrift.TException {" << endl; + indent_up(); + indent(out) << "schemes.get(iprot.getScheme()).getScheme().read(iprot, this);" << endl; + indent_down(); + indent(out) << "}" << endl << endl; +} + +// generates java method to perform various checks +// (e.g. check that all required fields are set) +void t_java_generator::generate_java_validator(ofstream& out, t_struct* tstruct) { + indent(out) << "public void validate() throws org.apache.thrift.TException {" << endl; + indent_up(); + + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + + out << indent() << "// check for required fields" << endl; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + if ((*f_iter)->get_req() == t_field::T_REQUIRED) { + if (bean_style_) { + out << indent() << "if (!" << generate_isset_check(*f_iter) << ") {" << endl << indent() + << " throw new org.apache.thrift.protocol.TProtocolException(\"Required field '" + << (*f_iter)->get_name() << "' is unset! Struct:\" + toString());" << endl << indent() + << "}" << endl << endl; + } else { + if (type_can_be_null((*f_iter)->get_type())) { + indent(out) << "if (" << (*f_iter)->get_name() << " == null) {" << endl; + indent(out) + << " throw new org.apache.thrift.protocol.TProtocolException(\"Required field '" + << (*f_iter)->get_name() << "' was not present! Struct: \" + toString());" << endl; + indent(out) << "}" << endl; + } else { + indent(out) << "// alas, we cannot check '" << (*f_iter)->get_name() + << "' because it's a primitive and you chose the non-beans generator." + << endl; + } + } + } + } + + out << indent() << "// check for sub-struct validity" << endl; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + t_type* type = (*f_iter)->get_type(); + if (type->is_struct() && !((t_struct*)type)->is_union()) { + out << indent() << "if (" << (*f_iter)->get_name() << " != null) {" << endl; + out << indent() << " " << (*f_iter)->get_name() << ".validate();" << endl; + out << indent() << "}" << endl; + } + } + + indent_down(); + indent(out) << "}" << endl << endl; +} + +/** + * Generates a function to write all the fields of the struct + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_struct_writer(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "public void write(org.apache.thrift.protocol.TProtocol oprot) throws " + "org.apache.thrift.TException {" << endl; + indent_up(); + indent(out) << "schemes.get(oprot.getScheme()).getScheme().write(oprot, this);" << endl; + + indent_down(); + indent(out) << "}" << endl << endl; +} + +/** + * Generates a function to write all the fields of the struct, + * which is a function result. These fields are only written + * if they are set in the Isset array, and only one of them + * can be set at a time. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_struct_result_writer(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "public void write(org.apache.thrift.protocol.TProtocol oprot) throws " + "org.apache.thrift.TException {" << endl; + indent_up(); + indent(out) << "schemes.get(oprot.getScheme()).getScheme().write(oprot, this);" << endl; + + indent_down(); + indent(out) << " }" << endl << endl; +} + +void t_java_generator::generate_java_struct_field_by_id(ofstream& out, t_struct* tstruct) { + (void)tstruct; + indent(out) << "public _Fields fieldForId(int fieldId) {" << endl; + indent(out) << " return _Fields.findByThriftId(fieldId);" << endl; + indent(out) << "}" << endl << endl; +} + +void t_java_generator::generate_reflection_getters(ostringstream& out, + t_type* type, + string field_name, + string cap_name) { + indent(out) << "case " << constant_name(field_name) << ":" << endl; + indent_up(); + indent(out) << "return " << (type->is_bool() ? "is" : "get") << cap_name << "();" << endl << endl; + indent_down(); +} + +void t_java_generator::generate_reflection_setters(ostringstream& out, + t_type* type, + string field_name, + string cap_name) { + indent(out) << "case " << constant_name(field_name) << ":" << endl; + indent_up(); + indent(out) << "if (value == null) {" << endl; + indent(out) << " unset" << get_cap_name(field_name) << "();" << endl; + indent(out) << "} else {" << endl; + indent(out) << " set" << cap_name << "((" << type_name(type, true, false) << ")value);" << endl; + indent(out) << "}" << endl; + indent(out) << "break;" << endl << endl; + + indent_down(); +} + +void t_java_generator::generate_generic_field_getters_setters(std::ofstream& out, + t_struct* tstruct) { + std::ostringstream getter_stream; + std::ostringstream setter_stream; + + // build up the bodies of both the getter and setter at once + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + t_field* field = *f_iter; + t_type* type = get_true_type(field->get_type()); + std::string field_name = field->get_name(); + std::string cap_name = get_cap_name(field_name); + + indent_up(); + generate_reflection_setters(setter_stream, type, field_name, cap_name); + generate_reflection_getters(getter_stream, type, field_name, cap_name); + indent_down(); + } + + // create the setter + + indent(out) << "public void setFieldValue(_Fields field, Object value) {" << endl; + indent(out) << " switch (field) {" << endl; + out << setter_stream.str(); + indent(out) << " }" << endl; + indent(out) << "}" << endl << endl; + + // create the getter + indent(out) << "public Object getFieldValue(_Fields field) {" << endl; + indent_up(); + indent(out) << "switch (field) {" << endl; + out << getter_stream.str(); + indent(out) << "}" << endl; + indent(out) << "throw new IllegalStateException();" << endl; + indent_down(); + indent(out) << "}" << endl << endl; +} + +// Creates a generic isSet method that takes the field number as argument +void t_java_generator::generate_generic_isset_method(std::ofstream& out, t_struct* tstruct) { + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + + // create the isSet method + indent(out) << "/** Returns true if field corresponding to fieldID is set (has been assigned a " + "value) and false otherwise */" << endl; + indent(out) << "public boolean isSet(_Fields field) {" << endl; + indent_up(); + indent(out) << "if (field == null) {" << endl; + indent(out) << " throw new IllegalArgumentException();" << endl; + indent(out) << "}" << endl << endl; + + indent(out) << "switch (field) {" << endl; + + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + t_field* field = *f_iter; + indent(out) << "case " << constant_name(field->get_name()) << ":" << endl; + indent_up(); + indent(out) << "return " << generate_isset_check(field) << ";" << endl; + indent_down(); + } + + indent(out) << "}" << endl; + indent(out) << "throw new IllegalStateException();" << endl; + indent_down(); + indent(out) << "}" << endl << endl; +} + +/** + * Generates a set of Java Bean boilerplate functions (setters, getters, etc.) + * for the given struct. + * + * @param tstruct The struct definition + */ +void t_java_generator::generate_java_bean_boilerplate(ofstream& out, t_struct* tstruct) { + isset_type issetType = needs_isset(tstruct); + const vector<t_field*>& fields = tstruct->get_members(); + vector<t_field*>::const_iterator f_iter; + for (f_iter = fields.begin(); f_iter != fields.end(); ++f_iter) { + t_field* field = *f_iter; + t_type* type = get_true_type(field->get_type()); + std::string field_name = field->get_name(); + std::string cap_name = get_cap_name(field_name); + bool optional = use_option_type_ && field->get_req() == t_field::T_OPTIONAL; + + if (type->is_container()) { + // Method to return the size of the collection + if (optional) { + indent(out) << "public Option<Integer> get" << cap_name; + out << get_cap_name("size() {") << endl; + + indent_up(); + indent(out) << "if (this." << field_name << " == null) {" << endl; + indent_up(); + indent(out) << "return Option.none();" << endl; + indent_down(); + indent(out) << "} else {" << endl; + indent_up(); + indent(out) << "return Option.some(this." << field_name << ".size());" << endl; + indent_down(); + indent(out) << "}" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } else { + indent(out) << "public int get" << cap_name; + out << get_cap_name("size() {") << endl; + + indent_up(); + indent(out) << "return (this." << field_name << " == null) ? 0 : " + << "this." << field_name << ".size();" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } + } + + if (type->is_set() || type->is_list()) { + t_type* element_type; + if (type->is_set()) { + element_type = ((t_set*)type)->get_elem_type(); + } else { + element_type = ((t_list*)type)->get_elem_type(); + } + + // Iterator getter for sets and lists + if (optional) { + indent(out) << "public Option<java.util.Iterator<" << type_name(element_type, true, false) + << ">> get" << cap_name; + out << get_cap_name("iterator() {") << endl; + + indent_up(); + indent(out) << "if (this." << field_name << " == null) {" << endl; + indent_up(); + indent(out) << "return Option.none();" << endl; + indent_down(); + indent(out) << "} else {" << endl; + indent_up(); + indent(out) << "return Option.some(this." << field_name << ".iterator());" << endl; + indent_down(); + indent(out) << "}" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } else { + indent(out) << "public java.util.Iterator<" << type_name(element_type, true, false) + << "> get" << cap_name; + out << get_cap_name("iterator() {") << endl; + + indent_up(); + indent(out) << "return (this." << field_name << " == null) ? null : " + << "this." << field_name << ".iterator();" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } + + // Add to set or list, create if the set/list is null + indent(out); + out << "public void add" << get_cap_name("to"); + out << cap_name << "(" << type_name(element_type) << " elem) {" << endl; + + indent_up(); + indent(out) << "if (this." << field_name << " == null) {" << endl; + indent_up(); + indent(out) << "this." << field_name << " = new " << type_name(type, false, true) << "();" + << endl; + indent_down(); + indent(out) << "}" << endl; + indent(out) << "this." << field_name << ".add(elem);" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } else if (type->is_map()) { + // Put to map + t_type* key_type = ((t_map*)type)->get_key_type(); + t_type* val_type = ((t_map*)type)->get_val_type(); + + indent(out); + out << "public void put" << get_cap_name("to"); + out << cap_name << "(" << type_name(key_type) << " key, " << type_name(val_type) << " val) {" + << endl; + + indent_up(); + indent(out) << "if (this." << field_name << " == null) {" << endl; + indent_up(); + indent(out) << "this." << field_name << " = new " << type_name(type, false, true) << "();" + << endl; + indent_down(); + indent(out) << "}" << endl; + indent(out) << "this." << field_name << ".put(key, val);" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } + + // Simple getter + generate_java_doc(out, field); + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "public byte[] get" << cap_name << "() {" << endl; + indent(out) << " set" << cap_name << "(org.apache.thrift.TBaseHelper.rightSize(" + << field_name << "));" << endl; + indent(out) << " return " << field_name << " == null ? null : " << field_name << ".array();" + << endl; + indent(out) << "}" << endl << endl; + + indent(out) << "public ByteBuffer buffer" << get_cap_name("for") << cap_name << "() {" + << endl; + indent(out) << " return org.apache.thrift.TBaseHelper.copyBinary(" << field_name << ");" + << endl; + indent(out) << "}" << endl << endl; + } else { + if (optional) { + indent(out) << "public Option<" << type_name(type, true) << ">"; + if (type->is_base_type() && ((t_base_type*)type)->get_base() == t_base_type::TYPE_BOOL) { + out << " is"; + } else { + out << " get"; + } + out << cap_name << "() {" << endl; + indent_up(); + + indent(out) << "if (this.isSet" << cap_name << "()) {" << endl; + indent_up(); + indent(out) << "return Option.some(this." << field_name << ");" << endl; + indent_down(); + indent(out) << "} else {" << endl; + indent_up(); + indent(out) << "return Option.none();" << endl; + indent_down(); + indent(out) << "}" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } else { + indent(out) << "public " << type_name(type); + if (type->is_base_type() && ((t_base_type*)type)->get_base() == t_base_type::TYPE_BOOL) { + out << " is"; + } else { + out << " get"; + } + out << cap_name << "() {" << endl; + indent_up(); + indent(out) << "return this." << field_name << ";" << endl; + indent_down(); + indent(out) << "}" << endl << endl; + } + } + + // Simple setter + generate_java_doc(out, field); + if (type->is_base_type() && ((t_base_type*)type)->is_binary()) { + indent(out) << "public "; + if (bean_style_) { + out << "void"; + } else { + out << type_name(tstruct); + } + out << " set" << cap_name << "(byte[] " << field_name << ") {" << endl; + indent(out) << " this." << field_name << " = " << field_name << " == null ? (ByteBuffer)null" + << " : ByteBuffer.wrap(Arrays.copyOf(" << field_name << ", " << field_name + << ".length));" << endl; + if (!bean_style_) { + indent(out) << " return this;" << endl; + } + indent(out) << "}" << endl << endl; + } + indent(out) << "public "; + if (bean_style_) { + out << "void";
<TRUNCATED>
