Support CDATA for SOAP request and response; Rename Parameter to SoapParameter; Add book server and client example for SOAP.

CMakeLists.txt

@@ -133,6 +133,9 @@ if(WEBCC_BUILD_EXAMPLE)
 	if(WEBCC_ENABLE_SOAP)
 		add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap_calc_server)
 		add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap_calc_client)
+		add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap_calc_client_parasoft)
+		add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap_book_server)
+		add_subdirectory(${PROJECT_SOURCE_DIR}/example/soap_book_client)
 	endif()
 endif()
 

example/common/book.cc

@@ -0,0 +1,61 @@
+#include "example/common/book.h"
+
+#include <algorithm>
+#include <iostream>
+
+const Book kNullBook{};
+
+std::ostream& operator<<(std::ostream& os, const Book& book) {
+  os << "{ " << book.id << ", " << book.title << ", " << book.price << " }";
+  return os;
+}
+
+const Book& BookStore::GetBook(const std::string& id) const {
+  auto it = FindBook(id);
+  return (it == books_.end() ? kNullBook : *it);
+}
+
+std::string BookStore::AddBook(const Book& book) {
+  std::string id = NewID();
+  books_.push_back({ id, book.title, book.price });
+  return id;
+}
+
+bool BookStore::UpdateBook(const Book& book) {
+  auto it = FindBook(book.id);
+  if (it != books_.end()) {
+    it->title = book.title;
+    it->price = book.price;
+    return true;
+  }
+  return false;
+}
+
+bool BookStore::DeleteBook(const std::string& id) {
+  auto it = FindBook(id);
+
+  if (it != books_.end()) {
+    books_.erase(it);
+    return true;
+  }
+
+  return false;
+}
+
+std::list<Book>::const_iterator BookStore::FindBook(const std::string& id)
+    const {
+  return std::find_if(books_.begin(), books_.end(),
+                      [&id](const Book& book) { return book.id == id; });
+}
+
+std::list<Book>::iterator BookStore::FindBook(const std::string& id) {
+  return std::find_if(books_.begin(), books_.end(),
+                      [&id](Book& book) { return book.id == id; });
+}
+
+std::string BookStore::NewID() const {
+  static int s_id_counter = 0;
+
+  ++s_id_counter;
+  return std::to_string(s_id_counter);
+}

example/common/book.h

@@ -0,0 +1,47 @@
+#ifndef EXAMPLE_COMMON_BOOK_H_
+#define EXAMPLE_COMMON_BOOK_H_
+
+#include <list>
+#include <string>
+
+// In-memory test data.
+// There should be some database in a real product.
+
+struct Book {
+  std::string id;
+  std::string title;
+  double price;
+
+  bool IsNull() const { return id.empty(); }
+};
+
+std::ostream& operator<<(std::ostream& os, const Book& book);
+
+extern const Book kNullBook;
+
+class BookStore {
+ public:
+  const std::list<Book>& books() const { return books_; }
+
+  const Book& GetBook(const std::string& id) const;
+
+  // Add a book, return the ID.
+  // NOTE: The ID of the input book will be ignored so should be empty.
+  std::string AddBook(const Book& book);
+
+  bool UpdateBook(const Book& book);
+
+  bool DeleteBook(const std::string& id);
+
+ private:
+  std::list<Book>::const_iterator FindBook(const std::string& id) const;
+
+  std::list<Book>::iterator FindBook(const std::string& id);
+
+  // Allocate a new book ID.
+  std::string NewID() const;
+
+  std::list<Book> books_;
+};
+
+#endif  // EXAMPLE_COMMON_BOOK_H_

example/common/book_xml.cc

@@ -0,0 +1,147 @@
+#include "example/common/book_xml.h"
+
+#include <cassert>
+#include <functional>
+#include <sstream>
+
+#include "example/common/book.h"
+
+// -----------------------------------------------------------------------------
+
+// Print a XML node to string.
+static std::string PrintXml(pugi::xml_node xnode, bool format_raw = true,
+                            const char* indent = "") {
+  std::stringstream ss;
+  unsigned int flags = format_raw ? pugi::format_raw : pugi::format_indent;
+  xnode.print(ss, indent, flags);
+  return ss.str();
+}
+
+// -----------------------------------------------------------------------------
+
+bool XmlToBook(pugi::xml_node xbook, Book* book) {
+  assert(xbook.name() == std::string("book"));
+
+  book->id = xbook.child("id").text().as_string();
+  book->title = xbook.child("title").text().as_string();
+  book->price = xbook.child("price").text().as_double();
+
+  return true;
+}
+
+void BookToXml(const Book& book, pugi::xml_node* xparent) {
+  pugi::xml_node xbook = xparent->append_child("book");
+
+  xbook.append_child("id").text().set(book.id.c_str());
+  xbook.append_child("title").text().set(book.title.c_str());
+  xbook.append_child("price").text().set(book.price);
+}
+
+bool XmlToBookList(pugi::xml_node xbooks, std::list<Book>* books) {
+  assert(xbooks.name() == std::string("books"));
+
+  pugi::xml_node xbook = xbooks.child("book");
+
+  while (xbook) {
+    Book book{
+      xbook.child("id").text().as_string(),
+      xbook.child("title").text().as_string(),
+      xbook.child("price").text().as_double()
+    };
+    books->push_back(book);
+
+    xbook = xbook.next_sibling("book");
+  }
+
+  return true;
+}
+
+void BookListToXml(const std::list<Book>& books, pugi::xml_node* xparent) {
+  pugi::xml_node xbooks = xparent->append_child("books");
+
+  for (const Book& book : books) {
+    BookToXml(book, &xbooks);
+  }
+}
+
+bool XmlStringToBook(const std::string& xml_string, Book* book) {
+  pugi::xml_document xdoc;
+  if (!xdoc.load_string(xml_string.c_str())) {
+    return false;
+  }
+
+  pugi::xml_node xbook = xdoc.document_element();
+  if (!xbook) {
+    return false;
+  }
+
+  if (xbook.name() != std::string("book")) {
+    return false;
+  }
+
+  return XmlToBook(xbook, book);
+}
+
+std::string BookToXmlString(const Book& book, bool format_raw,
+                            const char* indent) {
+  pugi::xml_document xdoc;
+  BookToXml(book, &xdoc);
+  return PrintXml(xdoc);
+}
+
+// -----------------------------------------------------------------------------
+
+std::string NewRequestXml(const Book& book) {
+  pugi::xml_document xdoc;
+
+  pugi::xml_node xwebcc = xdoc.append_child("webcc");
+  xwebcc.append_attribute("type") = "request";
+
+  BookToXml(book, &xwebcc);
+
+  return PrintXml(xdoc, false, "  ");
+}
+
+// -----------------------------------------------------------------------------
+
+static std::string __NewResultXml(int code, const char* message,
+                                  std::function<void(pugi::xml_node*)> callback) {
+  pugi::xml_document xdoc;
+
+  pugi::xml_node xwebcc = xdoc.append_child("webcc");
+  xwebcc.append_attribute("type") = "response";
+
+  pugi::xml_node xstatus = xwebcc.append_child("status");
+  xstatus.append_attribute("code") = code;
+  xstatus.append_attribute("message") = message;
+
+  if (callback) {
+    callback(&xwebcc);
+  }
+
+  return PrintXml(xdoc, false, "  ");
+}
+
+std::string NewResultXml(int code, const char* message) {
+  return __NewResultXml(code, message, {});
+}
+
+std::string NewResultXml(int code, const char* message, const char* node,
+                           const char* key, const char* value) {
+  auto callback = [node, key, value](pugi::xml_node* xparent) {
+    pugi::xml_node xnode = xparent->append_child(node);
+    xnode.append_child(key).text() = value;
+  };
+  return __NewResultXml(code, message, callback);
+}
+
+std::string NewResultXml(int code, const char* message, const Book& book) {
+  return __NewResultXml(code, message,
+                        std::bind(BookToXml, book, std::placeholders::_1));
+}
+
+std::string NewResultXml(int code, const char* message,
+                           const std::list<Book>& books) {
+  return __NewResultXml(code, message,
+                        std::bind(BookListToXml, books, std::placeholders::_1));
+}

example/common/book_xml.h

@@ -0,0 +1,111 @@
+#ifndef EXAMPLE_COMMON_BOOK_XML_H_
+#define EXAMPLE_COMMON_BOOK_XML_H_
+
+#include <list>
+#include <string>
+
+#include "pugixml/pugixml.hpp"
+
+struct Book;
+
+// -----------------------------------------------------------------------------
+
+// Convert the following XML node to a book object.
+//   <book>
+//     <id>1</id>
+//     <title>1984</title>
+//     <price>12.3</price>
+//   </book>
+bool XmlToBook(pugi::xml_node xbook, Book* book);
+
+// Convert a book object to XML and append to the given parent.
+void BookToXml(const Book& book, pugi::xml_node* xparent);
+
+// Convert the following XML node to a list of book objects.
+//   <books>
+//     <book>
+//       <id>1</id>
+//       <title>1984</title>
+//       <price>12.3</price>
+//     </book>
+//     ...
+//   </books>
+bool XmlToBookList(pugi::xml_node xbooks, std::list<Book>* books);
+
+// Convert a list of book objects to XML and append to the given parent.
+void BookListToXml(const std::list<Book>& books, pugi::xml_node* xparent);
+
+// Convert the following XML string to a book object.
+//   <book>
+//     <id>1</id>
+//     <title>1984</title>
+//     <price>12.3</price>
+//   </book>
+bool XmlStringToBook(const std::string& xml_string, Book* book);
+
+// Convert a book object to XML string.
+std::string BookToXmlString(const Book& book, bool format_raw = true,
+                            const char* indent = "");
+
+// -----------------------------------------------------------------------------
+
+// This example defines its own result XML which will be embedded into the SOAP
+// envolope as CDATA. The general schema of this result XML is:
+//   <webcc type = "result">
+//       <status code = "{code}" message = "{message}">
+//   </webcc>
+// The "status" node is mandatory, you should define proper status codes and
+// messages according to your needs.
+// Additional data is attached as the sibling of "status" node, e.g.,
+//   <webcc type = "result">
+//     <status code = "{code}" message = "{message}">
+//     <book>
+//       <id>{book.id}</id>
+//       <title>{book.title}</title>
+//       <price>{book.price}</price>
+//     </book>
+//   </webcc>
+
+// Create a result XML as below:
+//   <webcc type = "result">
+//     <status code = "{code}" message = "{message}">
+//   </webcc>
+std::string NewResultXml(int code, const char* message);
+
+// Create a result XML as below:
+//   <webcc type = "result">
+//     <status code = "{code}" message = "{message}">
+//     <{node}>
+//       <{key}>{value}</{key}>
+//     </{node}>
+//   </webcc>
+std::string NewResultXml(int code, const char* message, const char* node,
+                         const char* key, const char* value);
+
+// Create a result XML as below:
+//   <webcc type = "result">
+//     <status code = "{code}" message = "{message}">
+//     <book>
+//       <id>{book.id}</id>
+//       <title>{book.title}</title>
+//       <price>{book.price}</price>
+//     </book>
+//   </webcc>
+std::string NewResultXml(int code, const char* message, const Book& book);
+
+// Create a result XML as below:
+//   <webcc type = "result">
+//     <status code = "{code}" message = "{message}">
+//     <books>
+//       <book>
+//         <id>{book.id}</id>
+//         <title>{book.title}</title>
+//         <price>{book.price}</price>
+//       </book>
+//       ...
+//     </books>
+//   </webcc>
+std::string NewResultXml(int code, const char* message,
+                         const std::list<Book>& books);
+
+#endif  // EXAMPLE_COMMON_BOOK_XML_H_

example/rest_book_client/CMakeLists.txt

@@ -1,4 +1,8 @@
-add_executable(rest_book_client main.cc)
+set(TARGET_NAME rest_book_client)
 
-target_link_libraries(rest_book_client webcc jsoncpp ${Boost_LIBRARIES})
-target_link_libraries(rest_book_client "${CMAKE_THREAD_LIBS_INIT}")
+set(SRCS main.cc)
+
+add_executable(${TARGET_NAME} ${SRCS})
+
+target_link_libraries(${TARGET_NAME} webcc jsoncpp ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/rest_book_server/CMakeLists.txt

@@ -1,6 +1,13 @@
-set(SRCS book_services.cc book_services.h main.cc)
+set(TARGET_NAME rest_book_server)
 
-add_executable(rest_book_server ${SRCS})
+set(SRCS
+	../common/book.cc
+	../common/book.h
+ 	services.cc
+ 	services.h
+ 	main.cc)
 
-target_link_libraries(rest_book_server webcc jsoncpp ${Boost_LIBRARIES})
-target_link_libraries(rest_book_server "${CMAKE_THREAD_LIBS_INIT}")
+add_executable(${TARGET_NAME} ${SRCS})
+
+target_link_libraries(${TARGET_NAME} webcc jsoncpp ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/rest_book_server/main.cc

@@ -3,7 +3,7 @@
 #include "webcc/logger.h"
 #include "webcc/rest_server.h"
 
-#include "example/rest_book_server/book_services.h"
+#include "example/rest_book_server/services.h"
 
 // In order to run with VLD, please copy the following files to the example
 // output folder from "third_party\win32\bin":

example/rest_book_server/services.cc

@@ -1,4 +1,4 @@
-#include "example/rest_book_server/book_services.h"
+#include "example/rest_book_server/services.h"
 
 #include <iostream>
 #include <list>
@@ -7,95 +7,21 @@
 #include "json/json.h"
 #include "webcc/logger.h"
 
-// -----------------------------------------------------------------------------
-
-// In-memory test data.
-// There should be some database in a real product.
-
-struct Book {
-  std::string id;
-  std::string title;
-  double price;
-
-  bool IsNull() const {
-    return id.empty();
-  }
-
-  Json::Value ToJson() const {
-    Json::Value root;
-    root["id"] = id;
-    root["title"] = title;
-    root["price"] = price;
-    return root;
-  }
-};
-
-std::ostream& operator<<(std::ostream& os, const Book& book) {
-  os << "{ " << book.id << ", " << book.title << ", " << book.price << " }";
-  return os;
-}
-
-static const Book kNullBook{};
-
-class BookStore {
- public:
-  BookStore() = default;
-
-  const std::list<Book>& books() const { return books_; }
-
-  const Book& GetBook(const std::string& id) const {
-    auto it = FindBook(id);
-    return (it == books_.end() ? kNullBook : *it);
-  }
-
-  bool AddBook(const Book& new_book) {
-    if (FindBook(new_book.id) == books_.end()) {
-      books_.push_back(new_book);
-      return true;
-    }
-    return false;
-  }
-
-  bool UpdateBook(const Book& book) {
-    auto it = FindBook(book.id);
-    if (it != books_.end()) {
-      it->title = book.title;
-      it->price = book.price;
-      return true;
-    }
-    return false;
-  }
-
-  bool DeleteBook(const std::string& id) {
-    auto it = FindBook(id);
-
-    if (it != books_.end()) {
-      books_.erase(it);
-      return true;
-    }
-
-    return false;
-  }
-
- private:
-  std::list<Book>::const_iterator FindBook(const std::string& id) const {
-    return std::find_if(books_.begin(), books_.end(),
-                        [&id](const Book& book) { return book.id == id; });
-  }
+#include "example/common/book.h"
 
-  std::list<Book>::iterator FindBook(const std::string& id) {
-    return std::find_if(books_.begin(), books_.end(),
-                        [&id](Book& book) { return book.id == id; });
-  }
-
-  std::list<Book> books_;
-};
+// -----------------------------------------------------------------------------
 
 static BookStore g_book_store;
 
-// -----------------------------------------------------------------------------
+static Json::Value BookToJson(const Book& book) {
+  Json::Value root;
+  root["id"] = book.id;
+  root["title"] = book.title;
+  root["price"] = book.price;
+  return root;
+}
 
-static bool BookFromJson(const std::string& json, Book* book) {
+static bool JsonToBook(const std::string& json, Book* book) {
   Json::Value root;
   Json::CharReaderBuilder builder;
   std::stringstream stream(json);
@@ -112,6 +38,8 @@ static bool BookFromJson(const std::string& json, Book* book) {
   return true;
 }
 
+// -----------------------------------------------------------------------------
+
 // Return all books as a JSON array.
 // TODO: Support query parameters.
 bool BookListService::Get(const webcc::UrlQuery& /* query */,
@@ -123,7 +51,7 @@ bool BookListService::Get(const webcc::UrlQuery& /* query */,
 
   Json::Value root(Json::arrayValue);
   for (const Book& book : g_book_store.books()) {
-    root.append(book.ToJson());
+    root.append(BookToJson(book));
   }
 
   Json::StreamWriterBuilder builder;
@@ -142,8 +70,9 @@ bool BookListService::Post(const std::string& request_content,
   }
 
   Book book;
-  if (BookFromJson(request_content, &book)) {
-    return g_book_store.AddBook(book);
+  if (JsonToBook(request_content, &book)) {
+    g_book_store.AddBook(book);  // TODO: return ID
+    return true;
   }
 
   return false;
@@ -168,7 +97,7 @@ bool BookDetailService::Get(const std::vector<std::string>& url_sub_matches,
   const Book& book = g_book_store.GetBook(book_id);
   if (!book.IsNull()) {
     Json::StreamWriterBuilder builder;
-    *response_content = Json::writeString(builder, book.ToJson());
+    *response_content = Json::writeString(builder, BookToJson(book));
     return true;
   }
 
@@ -191,7 +120,7 @@ bool BookDetailService::Put(const std::vector<std::string>& url_sub_matches,
   const std::string& book_id = url_sub_matches[0];
 
   Book book;
-  if (BookFromJson(request_content, &book)) {
+  if (JsonToBook(request_content, &book)) {
     book.id = book_id;
     return g_book_store.UpdateBook(book);
   }

example/rest_book_server/services.h

@@ -1,5 +1,8 @@
-#ifndef BOOK_SERVICES_H_
-#define BOOK_SERVICES_H_
+#ifndef EXAMPLE_REST_BOOK_SERVER_SERVICES_H_
+#define EXAMPLE_REST_BOOK_SERVER_SERVICES_H_
+
+#include <string>
+#include <vector>
 
 #include "webcc/rest_service.h"
 
@@ -13,7 +16,7 @@
 // The query parameters could be regular expressions.
 class BookListService : public webcc::RestListService {
  public:
-  BookListService(int sleep_seconds) : sleep_seconds_(sleep_seconds) {
+  explicit BookListService(int sleep_seconds) : sleep_seconds_(sleep_seconds) {
   }
 
  protected:
@@ -39,7 +42,8 @@ class BookListService : public webcc::RestListService {
 // contains the matched book ID.
 class BookDetailService : public webcc::RestDetailService {
  public:
-  BookDetailService(int sleep_seconds) : sleep_seconds_(sleep_seconds) {
+  explicit BookDetailService(int sleep_seconds)
+      : sleep_seconds_(sleep_seconds) {
   }
 
  protected:
@@ -58,4 +62,4 @@ class BookDetailService : public webcc::RestDetailService {
   int sleep_seconds_ = 0;
 };
 
-#endif  // BOOK_SERVICE_H_
+#endif  // EXAMPLE_REST_BOOK_SERVER_SERVICES_H_

example/soap_book_client/CMakeLists.txt

@@ -0,0 +1,15 @@
+set(TARGET_NAME soap_book_client)
+
+set(SRCS
+	../common/book.cc
+	../common/book.h
+	../common/book_xml.cc
+	../common/book_xml.h
+	book_client.cc
+	book_client.h
+	main.cc)
+
+add_executable(${TARGET_NAME} ${SRCS})
+
+target_link_libraries(${TARGET_NAME} webcc pugixml ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/soap_book_client/book_client.cc

@@ -0,0 +1,136 @@
+#include "example/soap_book_client/book_client.h"
+
+#include <iostream>
+
+#include "webcc/logger.h"
+
+#include "example/common/book_xml.h"
+
+static void PrintSeparateLine() {
+  std::cout << "--------------------------------";
+  std::cout << "--------------------------------";
+  std::cout << std::endl;
+}
+
+BookClient::BookClient(const std::string& host, const std::string& port)
+    : webcc::SoapClient(host, port), code_(0) {
+  url_ = "/book";
+  service_ns_ = { "ser", "http://www.example.com/book/" };
+  result_name_ = "Result";
+
+  // Customize response XML format.
+  format_raw_ = false;
+  indent_str_ = "  ";
+}
+
+bool BookClient::CreateBook(const std::string& title, double price, std::string* id) {
+  PrintSeparateLine();
+  std::cout << "CreateBook: " << title << ", " << price << std::endl;
+
+  webcc::SoapParameter parameter{
+    "book",
+    BookToXmlString({ "", title, price }),
+    true,  // as_cdata
+  };
+  std::string result_xml;
+  if (!Call1("CreateBook", std::move(parameter), &result_xml)) {
+    return false;
+  }
+
+  auto callback = [id](pugi::xml_node xnode) {
+    *id = xnode.child("book").child("id").text().as_string();
+    return !id->empty();
+  };
+  return ParseResultXml(result_xml, callback);
+}
+
+bool BookClient::GetBook(const std::string& id, Book* book) {
+  PrintSeparateLine();
+  std::cout << "GetBook: " << id << std::endl;
+
+  std::string result_xml;
+  if (!Call1("GetBook", { "id", id }, &result_xml)) {
+    return false;
+  }
+
+  auto callback = [book](pugi::xml_node xnode) {
+    return XmlToBook(xnode.child("book"), book);
+  };
+  return ParseResultXml(result_xml, callback);
+}
+
+bool BookClient::ListBooks(std::list<Book>* books) {
+  PrintSeparateLine();
+  std::cout << "ListBooks" << std::endl;
+
+  std::string result_xml;
+  if (!Call0("ListBooks", &result_xml)) {
+    return false;
+  }
+
+  auto callback = [books](pugi::xml_node xnode) {
+    return XmlToBookList(xnode.child("books"), books);
+  };
+  return ParseResultXml(result_xml, callback);
+}
+
+bool BookClient::DeleteBook(const std::string& id) {
+  PrintSeparateLine();
+  std::cout << "DeleteBook: " << id << std::endl;
+
+  std::string result_xml;
+  if (!Call1("DeleteBook", { "id", id }, &result_xml)) {
+    return false;
+  }
+
+  return ParseResultXml(result_xml, {});
+}
+
+bool BookClient::Call0(const std::string& operation, std::string* result_str) {
+  return CallX(operation, {}, result_str);
+}
+
+
+bool BookClient::Call1(const std::string& operation, webcc::SoapParameter&& parameter,
+                       std::string* result_str) {
+  std::vector<webcc::SoapParameter> parameters{
+    { std::move(parameter) }
+  };
+  return CallX(operation, std::move(parameters), result_str);
+}
+
+bool BookClient::CallX(const std::string& operation,
+                       std::vector<webcc::SoapParameter>&& parameters,
+                       std::string* result_str) {
+  webcc::Error error = webcc::SoapClient::Call(operation,
+                                               std::move(parameters),
+                                               result_str);
+
+  if (error != webcc::kNoError) {
+    LOG_ERRO("Operation '%s' failed: %s",
+             operation, webcc::DescribeError(error));
+    return false;
+  }
+
+  return true;
+}
+
+bool BookClient::ParseResultXml(const std::string& result_xml,
+                                std::function<bool(pugi::xml_node)> callback) {
+  pugi::xml_document xdoc;
+  if (!xdoc.load_string(result_xml.c_str())) {
+    return false;
+  }
+
+  pugi::xml_node xwebcc = xdoc.document_element();
+
+  pugi::xml_node xstatus = xwebcc.child("status");
+  code_ = xstatus.attribute("code").as_int();
+  message_ = xstatus.attribute("message").as_string();
+
+  if (callback) {
+    return callback(xwebcc);
+  }
+
+  return true;
+}

example/soap_book_client/book_client.h

@@ -0,0 +1,53 @@
+#ifndef EXAMPLE_SOAP_BOOK_CLIENT_H_
+#define EXAMPLE_SOAP_BOOK_CLIENT_H_
+
+#include <functional>
+#include <string>
+
+#include "webcc/soap_client.h"
+
+#include "example/common/book.h"
+
+class BookClient : public webcc::SoapClient {
+ public:
+  BookClient(const std::string& host, const std::string& port);
+  
+  ~BookClient() override = default;
+
+  int code() const { return code_; }
+  const std::string& message() const { return message_; }
+
+  // Create a book.
+  bool CreateBook(const std::string& title, double price, std::string* id);
+
+  // Get a book by ID.
+  bool GetBook(const std::string& id, Book* book);
+
+  // List all books.
+  bool ListBooks(std::list<Book>* books);
+
+  // Delete a book by ID.
+  bool DeleteBook(const std::string& id);
+
+ private:
+  // Call with 0 parameter.
+  bool Call0(const std::string& operation, std::string* result_str);
+
+  // Call with 1 parameter.
+  bool Call1(const std::string& operation, webcc::SoapParameter&& parameter,
+             std::string* result_str);
+
+  // Simple wrapper of webcc::SoapClient::Call() to log error if any.
+  bool CallX(const std::string& operation,
+             std::vector<webcc::SoapParameter>&& parameters,
+             std::string* result_str);
+
+  bool ParseResultXml(const std::string& result_xml,
+                      std::function<bool(pugi::xml_node)> callback);
+
+  // Last status.
+  int code_;
+  std::string message_;
+};
+
+#endif  // EXAMPLE_SOAP_BOOK_CLIENT_H_

example/soap_book_client/main.cc

@@ -0,0 +1,65 @@
+#include <iostream>
+
+#include "webcc/logger.h"
+
+#include "example/soap_book_client/book_client.h"
+
+void Help(const char* argv0) {
+  std::cout << "Usage: " << argv0 << " <host> <port>" << std::endl;
+  std::cout << "  E.g.," << std::endl;
+  std::cout << "    " << argv0 << " localhost 8080" << std::endl;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    Help(argv[0]);
+    return 1;
+  }
+
+  WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
+
+  std::string host = argv[1];
+  std::string port = argv[2];
+
+  BookClient client(host, port);
+
+  std::string id1;
+  if (!client.CreateBook("1984", 12.3, &id1)) {
+    std::cerr << "Failed to create book." << std::endl;
+    return 2;
+  }
+
+  std::cout << "Book ID: " << id1 << std::endl;
+
+  std::string id2;
+  if (!client.CreateBook("1Q84", 32.1, &id2)) {
+    std::cerr << "Failed to create book." << std::endl;
+    return 2;
+  }
+
+  std::cout << "Book ID: " << id2 << std::endl;
+
+  Book book;
+  if (!client.GetBook(id1, &book)) {
+    std::cerr << "Failed to get book." << std::endl;
+    return 2;
+  }
+
+  std::cout << "Book: " << book << std::endl;
+
+  std::list<Book> books;
+  if (!client.ListBooks(&books)) {
+    std::cerr << "Failed to list books." << std::endl;
+    return 2;
+  }
+
+  for (const Book& book : books) {
+    std::cout << "Book: " << book << std::endl;
+  }
+
+  if (client.DeleteBook(id1)) {
+    std::cout << "Book deleted: " << id1 << std::endl;
+  }
+
+  return 0;
+}

example/soap_book_server/CMakeLists.txt

@@ -0,0 +1,15 @@
+set(TARGET_NAME soap_book_server)
+
+set(SRCS
+	../common/book.cc
+	../common/book.h
+	../common/book_xml.cc
+	../common/book_xml.h
+	book_service.cc
+	book_service.h
+	main.cc)
+
+add_executable(${TARGET_NAME} ${SRCS})
+
+target_link_libraries(${TARGET_NAME} webcc pugixml ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/soap_book_server/book_service.cc

@@ -0,0 +1,220 @@
+#include "example/soap_book_server/book_service.h"
+
+#include <iostream>
+#include <list>
+#include <sstream>
+
+#include "webcc/logger.h"
+#include "webcc/soap_request.h"
+#include "webcc/soap_response.h"
+
+#include "example/common/book.h"
+#include "example/common/book_xml.h"
+
+// -----------------------------------------------------------------------------
+
+static BookStore g_book_store;
+
+// -----------------------------------------------------------------------------
+
+bool BookService::Handle(const webcc::SoapRequest& soap_request,
+                         webcc::SoapResponse* soap_response) {
+  const std::string& operation = soap_request.operation();
+
+  soap_response->set_soapenv_ns(webcc::kSoapEnvNamespace);
+  soap_response->set_service_ns({
+    "ser",
+    "http://www.example.com/book/"
+  });
+
+  soap_response->set_operation(operation);
+  soap_response->set_result_name("Result");
+
+  if (operation == "CreateBook") {
+    return CreateBook(soap_request, soap_response);
+
+  } else if (operation == "GetBook") {
+    return GetBook(soap_request, soap_response);
+
+  } else if (operation == "ListBooks") {
+    return ListBooks(soap_request, soap_response);
+
+  } else if (operation == "DeleteBook") {
+    return DeleteBook(soap_request, soap_response);
+
+  } else {
+    LOG_ERRO("Operation '%s' is not supported.", operation.c_str());
+    return false;
+  }
+
+  return false;
+}
+
+bool BookService::CreateBook(const webcc::SoapRequest& soap_request,
+                             webcc::SoapResponse* soap_response) {
+  // Request SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:CreateBook xmlns:ser="..." />
+  //         <ser:book>
+  //           <![CDATA[
+  //           <book>
+  //             <title>1984</title>
+  //             <price>12.3</price>
+  //           </book>
+  //           ]]>
+  //         </ser:book>
+  //       </ser:CreateBook>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  // Response SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:CreateBookResponse xmlns:ser="...">
+  //         <ser:Result>
+  //           <![CDATA[
+  //           <webcc type = "response">
+  //             <status code = "0" message = "ok">
+  //             <book>
+  //               <id>1</id>
+  //             </book>
+  //           </webcc>
+  //           ]]>
+  //         </ser:Result>
+  //       </ser:CreateBookResponse>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  const std::string& title = soap_request.GetParameter("title");
+
+  const std::string& book_xml = soap_request.GetParameter("book");
+
+  Book book;
+  XmlStringToBook(book_xml, &book);  // TODO: Error handling
+
+  std::string id = g_book_store.AddBook(book);
+
+  std::string response_xml = NewResultXml(0, "ok", "book", "id",
+                                            id.c_str());
+
+  soap_response->set_result_moved(std::move(response_xml), true);
+
+  return true;
+}
+
+bool BookService::GetBook(const webcc::SoapRequest& soap_request,
+                          webcc::SoapResponse* soap_response) {
+  // Request SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:GetBook xmlns:ser="..." />
+  //         <ser:id>1</ser:id>
+  //       </ser:GetBook>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  // Response SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:GetBookResponse xmlns:ser="...">
+  //         <ser:Result>
+  //           <![CDATA[
+  //           <webcc type = "response">
+  //             <status code = "0" message = "ok">
+  //             <book>
+  //               <id>1</id>
+  //               <title>1984</title>
+  //               <price>12.3</price>
+  //             </book>
+  //           </webcc>
+  //           ]]>
+  //         </ser:Result>
+  //       </ser:GetBookResponse>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  const std::string& id = soap_request.GetParameter("id");
+
+  const Book& book = g_book_store.GetBook(id);
+
+  soap_response->set_result_moved(NewResultXml(0, "ok", book), true);
+
+  return true;
+}
+
+bool BookService::ListBooks(const webcc::SoapRequest& soap_request,
+                            webcc::SoapResponse* soap_response) {
+  // Request SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:ListBooks xmlns:ser="..." />
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  // Response SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:ListBooksResponse xmlns:ser="...">
+  //         <ser:Result>
+  //           <![CDATA[
+  //           <webcc type = "response">
+  //             <status code = "0" message = "ok">
+  //             <books>
+  //               <book>
+  //                 <id>1</id>
+  //                 <title>1984</title>
+  //                 <price>12.3</price>
+  //               </book>
+  //               ...
+  //             </books>
+  //           </webcc>
+  //           ]]>
+  //         </ser:Result>
+  //       </ser:ListBooksResponse>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  const std::list<Book>& books = g_book_store.books();
+
+  soap_response->set_result_moved(NewResultXml(0, "ok", books), true);
+
+  return true;
+}
+
+bool BookService::DeleteBook(const webcc::SoapRequest& soap_request,
+                             webcc::SoapResponse* soap_response) {
+  // Request SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:DeleteBook xmlns:ser="..." />
+  //         <ser:id>1</ser:id>
+  //       </ser:DeleteBook>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  // Response SOAP envelope:
+  //   <soap:Envelope xmlns:soap="...">
+  //     <soap:Body>
+  //       <ser:DeleteBookResponse xmlns:ser="...">
+  //         <ser:Result>
+  //           <![CDATA[
+  //           <webcc type = "response">
+  //             <status code = "0" message = "ok">
+  //           </webcc>
+  //           ]]>
+  //         </ser:Result>
+  //       </ser:DeleteBookResponse>
+  //     </soap:Body>
+  //   </soap:Envelope>
+
+  const std::string& id = soap_request.GetParameter("id");
+
+  if (g_book_store.DeleteBook(id)) {
+    soap_response->set_result_moved(NewResultXml(0, "ok"), true);
+  } else {
+    soap_response->set_result_moved(NewResultXml(1, "error"), true);
+  }
+
+  return true;
+}

example/soap_book_server/book_service.h

@@ -0,0 +1,25 @@
+#ifndef EXAMPLE_SOAP_BOOK_SERVER_BOOK_SERVICE_H_
+#define EXAMPLE_SOAP_BOOK_SERVER_BOOK_SERVICE_H_
+
+#include "webcc/soap_service.h"
+
+class BookService : public webcc::SoapService {
+ public:
+  bool Handle(const webcc::SoapRequest& soap_request,
+              webcc::SoapResponse* soap_response) override;
+
+ private:
+  bool CreateBook(const webcc::SoapRequest& soap_request,
+                  webcc::SoapResponse* soap_response);
+
+  bool GetBook(const webcc::SoapRequest& soap_request,
+               webcc::SoapResponse* soap_response);
+
+  bool ListBooks(const webcc::SoapRequest& soap_request,
+                 webcc::SoapResponse* soap_response);
+
+  bool DeleteBook(const webcc::SoapRequest& soap_request,
+                  webcc::SoapResponse* soap_response);
+};
+
+#endif  // EXAMPLE_SOAP_BOOK_SERVER_BOOK_SERVICE_H_

example/soap_book_server/main.cc

@@ -0,0 +1,40 @@
+#include <iostream>
+
+#include "webcc/logger.h"
+#include "webcc/soap_server.h"
+
+#include "example/soap_book_server/book_service.h"
+
+void Help(const char* argv0) {
+  std::cout << "Usage: " << argv0 << " <port>" << std::endl;
+  std::cout << "  E.g.," << std::endl;
+  std::cout << "    " << argv0 << " 8080" << std::endl;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc < 2) {
+    Help(argv[0]);
+    return 1;
+  }
+
+  WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
+
+  std::uint16_t port = static_cast<std::uint16_t>(std::atoi(argv[1]));
+  std::size_t workers = 2;
+
+  try {
+    webcc::SoapServer server(port, workers);
+
+    // Customize response XML format.
+    server.set_format_raw(false);
+    server.set_indent_str("  ");
+
+    server.Bind(std::make_shared<BookService>(), "/book");
+    server.Run();
+  } catch (const std::exception& e) {
+    std::cerr << "Exception: " << e.what() << std::endl;
+    return 1;
+  }
+
+  return 0;
+}

example/soap_calc_client/CMakeLists.txt

@@ -1,7 +1,6 @@
-set(SRCS calc_client.cc calc_client.h main.cc)
+set(TARGET_NAME soap_calc_client)
 
-add_executable(soap_calc_client ${SRCS})
-
-target_link_libraries(soap_calc_client webcc pugixml ${Boost_LIBRARIES})
-target_link_libraries(soap_calc_client "${CMAKE_THREAD_LIBS_INIT}")
+add_executable(${TARGET_NAME} main.cc)
 
+target_link_libraries(${TARGET_NAME} webcc pugixml ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/soap_calc_client/calc_client.cc

@@ -1,89 +0,0 @@
-#include "example/soap_calc_client/calc_client.h"
-
-#include <iostream>
-
-#include "webcc/logger.h"
-
-// Set to 0 to test our own calculator server created with webcc.
-#define ACCESS_PARASOFT 0
-
-CalcClient::CalcClient() {
-  Init();
-}
-
-bool CalcClient::Add(double x, double y, double* result) {
-  return Calc("add", "x", "y", x, y, result);
-}
-
-bool CalcClient::Subtract(double x, double y, double* result) {
-  return Calc("subtract", "x", "y", x, y, result);
-}
-
-bool CalcClient::Multiply(double x, double y, double* result) {
-  return Calc("multiply", "x", "y", x, y, result);
-}
-
-bool CalcClient::Divide(double x, double y, double* result) {
-  // ParaSoft's Calculator Service uses different parameter names for Divide.
-#if ACCESS_PARASOFT
-  return Calc("divide", "numerator", "denominator", x, y, result);
-#else
-  return Calc("divide", "x", "y", x, y, result);
-#endif
-}
-
-bool CalcClient::NotExist(double x, double y, double* result) {
-  return Calc("not_exist", "x", "y", x, y, result);
-}
-
-void CalcClient::Init() {
-  // Override the default timeout.
-  timeout_seconds_ = 5;
-
-#if ACCESS_PARASOFT
-  url_ = "/glue/calculator";
-  host_ = "ws1.parasoft.com";
-  port_ = "";  // Default to "80".
-  service_ns_ = { "cal", "http://www.parasoft.com/wsdl/calculator/" };
-  result_name_ = "Result";
-#else
-  url_ = "/calculator";
-  host_ = "localhost";
-  port_ = "8080";
-  service_ns_ = { "ser", "http://www.example.com/calculator/" };
-  result_name_ = "Result";
-#endif
-}
-
-bool CalcClient::Calc(const std::string& operation,
-                      const std::string& x_name,
-                      const std::string& y_name,
-                      double x,
-                      double y,
-                      double* result) {
-  // Prepare parameters.
-  std::vector<webcc::Parameter> parameters{
-    { x_name, x },
-    { y_name, y }
-  };
-
-  // Make the call.
-  std::string result_str;
-  webcc::Error error = Call(operation, std::move(parameters), &result_str);
-
-  // Error handling if any.
-  if (error != webcc::kNoError) {
-    LOG_ERRO("Operation '%s' failed: %s", operation.c_str(),
-             webcc::DescribeError(error));
-    return false;
-  }
-
-  // Convert the result from string to double.
-  try {
-    *result = std::stod(result_str);
-  } catch (const std::exception&) {
-    return false;
-  }
-
-  return true;
-}

example/soap_calc_client/calc_client.h

@@ -1,35 +0,0 @@
-#ifndef CALC_CLIENT_H_
-#define CALC_CLIENT_H_
-
-#include <string>
-
-#include "webcc/soap_client.h"
-
-class CalcClient : public webcc::SoapClient {
-public:
-  CalcClient();
-
-  bool Add(double x, double y, double* result);
-
-  bool Subtract(double x, double y, double* result);
-
-  bool Multiply(double x, double y, double* result);
-
-  bool Divide(double x, double y, double* result);
-
-  // For testing purpose.
-  bool NotExist(double x, double y, double* result);
-
-protected:
-  void Init();
-
-  // A more concrete wrapper to make a call.
-  bool Calc(const std::string& operation,
-            const std::string& x_name,
-            const std::string& y_name,
-            double x,
-            double y,
-            double* result);
-};
-
-#endif  // CALC_CLIENT_H_

example/soap_calc_client/main.cc

@@ -1,13 +1,95 @@
 #include <iostream>
 
 #include "webcc/logger.h"
+#include "webcc/soap_client.h"
 
-#include "example/soap_calc_client/calc_client.h"
+// -----------------------------------------------------------------------------
+
+class CalcClient : public webcc::SoapClient {
+ public:
+  CalcClient(const std::string& host, const std::string& port)
+      : webcc::SoapClient(host, port) {
+    timeout_seconds_ = 5;  // Override the default timeout.
+
+    url_ = "/calculator";
+    service_ns_ = { "ser", "http://www.example.com/calculator/" };
+    result_name_ = "Result";
+
+    // Customize request XML format.
+    format_raw_ = false;
+    indent_str_ = "  ";
+  }
+
+  bool Add(double x, double y, double* result) {
+    return Calc("add", "x", "y", x, y, result);
+  }
+
+  bool Subtract(double x, double y, double* result) {
+    return Calc("subtract", "x", "y", x, y, result);
+  }
+
+  bool Multiply(double x, double y, double* result) {
+    return Calc("multiply", "x", "y", x, y, result);
+  }
+
+  bool Divide(double x, double y, double* result) {
+    return Calc("divide", "x", "y", x, y, result);
+  }
+
+  // Only for testing purpose.
+  bool Unknown(double x, double y, double* result) {
+    return Calc("unknown", "x", "y", x, y, result);
+  }
+
+ protected:
+  bool Calc(const std::string& operation,
+            const std::string& x_name, const std::string& y_name,
+            double x, double y,
+            double* result) {
+    std::vector<webcc::SoapParameter> parameters{
+      { x_name, x },
+      { y_name, y }
+    };
+
+    std::string result_str;
+    webcc::Error error = Call(operation, std::move(parameters), &result_str);
+
+    if (error != webcc::kNoError) {
+      LOG_ERRO("Operation '%s' failed: %s", operation.c_str(),
+               webcc::DescribeError(error));
+      return false;
+    }
+
+    try {
+      *result = std::stod(result_str);
+    } catch (const std::exception&) {
+      return false;
+    }
+
+    return true;
+  }
+};
+
+// -----------------------------------------------------------------------------
+
+void Help(const char* argv0) {
+  std::cout << "Usage: " << argv0 << " <host> <port>" << std::endl;
+  std::cout << "  E.g.," << std::endl;
+  std::cout << "    " << argv0 << " localhost 8080" << std::endl;
+}
+
+int main(int argc, char* argv[]) {
+  if (argc < 3) {
+    Help(argv[0]);
+    return 1;
+  }
 
-int main() {
   WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
 
-  CalcClient calc;
+  std::string host = argv[1];
+  std::string port = argv[2];
+
+  CalcClient calc(host, port);
 
   double x = 1.0;
   double y = 2.0;
@@ -29,10 +111,7 @@ int main() {
     printf("divide: %.1f\n", result);
   }
 
-  // Try to call a non-existing operation.
-  if (calc.NotExist(x, y, &result)) {
-    printf("not_exist: %.1f\n", result);
-  }
+  calc.Unknown(x, y, &result);
 
   return 0;
 }

example/soap_calc_client_parasoft/CMakeLists.txt

@@ -0,0 +1,6 @@
+set(TARGET_NAME soap_calc_client_parasoft)
+
+add_executable(${TARGET_NAME} main.cc)
+
+target_link_libraries(${TARGET_NAME} webcc pugixml ${Boost_LIBRARIES})
+target_link_libraries(${TARGET_NAME} "${CMAKE_THREAD_LIBS_INIT}")

example/soap_calc_client_parasoft/main.cc

@@ -0,0 +1,97 @@
+#include <iostream>
+
+#include "webcc/logger.h"
+#include "webcc/soap_client.h"
+
+// -----------------------------------------------------------------------------
+
+class CalcClient : public webcc::SoapClient {
+ public:
+  CalcClient(const std::string& host, const std::string& port)
+      : webcc::SoapClient(host, port) {
+    timeout_seconds_ = 5;  // Override the default timeout.
+
+    url_ = "/glue/calculator";
+    service_ns_ = { "cal", "http://www.parasoft.com/wsdl/calculator/" };
+    result_name_ = "Result";
+
+    // Customize request XML format.
+    format_raw_ = false;
+    indent_str_ = "  ";
+  }
+
+  bool Add(double x, double y, double* result) {
+    return Calc("add", "x", "y", x, y, result);
+  }
+
+  bool Subtract(double x, double y, double* result) {
+    return Calc("subtract", "x", "y", x, y, result);
+  }
+
+  bool Multiply(double x, double y, double* result) {
+    return Calc("multiply", "x", "y", x, y, result);
+  }
+
+  bool Divide(double x, double y, double* result) {
+    return Calc("divide", "numerator", "denominator", x, y, result);
+  }
+
+ protected:
+  bool Calc(const std::string& operation,
+            const std::string& x_name, const std::string& y_name,
+            double x, double y,
+            double* result) {
+    std::vector<webcc::SoapParameter> parameters{
+      { x_name, x },
+      { y_name, y }
+    };
+
+    std::string result_str;
+    webcc::Error error = Call(operation, std::move(parameters), &result_str);
+
+    if (error != webcc::kNoError) {
+      LOG_ERRO("Operation '%s' failed: %s", operation.c_str(),
+               webcc::DescribeError(error));
+      return false;
+    }
+
+    try {
+      *result = std::stod(result_str);
+    } catch (const std::exception&) {
+      return false;
+    }
+
+    return true;
+  }
+};
+
+// -----------------------------------------------------------------------------
+
+int main() {
+  WEBCC_LOG_INIT("", webcc::LOG_CONSOLE);
+
+  // Default port 80.
+  CalcClient calc("ws1.parasoft.com", "");
+
+  double x = 1.0;
+  double y = 2.0;
+  double result = 0.0;
+
+  if (calc.Add(x, y, &result)) {
+    printf("add: %.1f\n", result);
+  }
+
+  if (calc.Subtract(x, y, &result)) {
+    printf("subtract: %.1f\n", result);
+  }
+
+  if (calc.Multiply(x, y, &result)) {
+    printf("multiply: %.1f\n", result);
+  }
+
+  if (calc.Divide(x, y, &result)) {
+    printf("divide: %.1f\n", result);
+  }
+
+  return 0;
+}

example/soap_calc_server/calc_service.cc

@@ -3,21 +3,10 @@
 #include <functional>
 #include <string>
 
-// Sleep several seconds for the client to test timeout control.
-#define SLEEP_FOR_TIMEOUT_TEST 0
-
-#if SLEEP_FOR_TIMEOUT_TEST
-#include "boost/thread/thread.hpp"
-#endif
-
 #include "webcc/logger.h"
 #include "webcc/soap_request.h"
 #include "webcc/soap_response.h"
 
-#if SLEEP_FOR_TIMEOUT_TEST
-static const int kSleepSeconds = 3;
-#endif
-
 bool CalcService::Handle(const webcc::SoapRequest& soap_request,
                          webcc::SoapResponse* soap_response) {
   double x = 0.0;
@@ -26,22 +15,22 @@ bool CalcService::Handle(const webcc::SoapRequest& soap_request,
     return false;
   }
 
-  const std::string& op = soap_request.operation();
+  const std::string& operation = soap_request.operation();
 
-  LOG_INFO("Soap operation '%s': %.2f, %.2f", op.c_str(), x, y);
+  LOG_INFO("Soap operation '%s': %.2f, %.2f", operation.c_str(), x, y);
 
   std::function<double(double, double)> calc;
 
-  if (op == "add") {
+  if (operation == "add") {
     calc = [](double x, double y) { return x + y; };
 
-  } else if (op == "subtract") {
+  } else if (operation == "subtract") {
     calc = [](double x, double y) { return x - y; };
 
-  } else if (op == "multiply") {
+  } else if (operation == "multiply") {
     calc = [](double x, double y) { return x * y; };
 
-  } else if (op == "divide") {
+  } else if (operation == "divide") {
     calc = [](double x, double y) { return x / y; };
 
     if (y == 0.0) {
@@ -49,7 +38,7 @@ bool CalcService::Handle(const webcc::SoapRequest& soap_request,
       return false;
     }
   } else {
-    LOG_ERRO("Operation '%s' is not supported.", op.c_str());
+    LOG_ERRO("Operation '%s' is not supported.", operation.c_str());
     return false;
   }
 
@@ -68,13 +57,7 @@ bool CalcService::Handle(const webcc::SoapRequest& soap_request,
   soap_response->set_operation(soap_request.operation());
 
   soap_response->set_result_name("Result");
-  soap_response->set_result(std::to_string(result));
-
-#if SLEEP_FOR_TIMEOUT_TEST
-  LOG_INFO("Sleep %d seconds for the client to test timeout control.",
-           kSleepSeconds);
-  boost::this_thread::sleep_for(boost::chrono::seconds(kSleepSeconds));
-#endif
+  soap_response->set_result_moved(std::to_string(result), false);
 
   return true;
 }
@@ -85,7 +68,7 @@ bool CalcService::GetParameters(const webcc::SoapRequest& soap_request,
     *x = std::stod(soap_request.GetParameter("x"));
     *y = std::stod(soap_request.GetParameter("y"));
   } catch (const std::exception& e) {
-    LOG_ERRO("Parameter cast error: %s", e.what());
+    LOG_ERRO("SoapParameter cast error: %s", e.what());
     return false;
   }
 

example/soap_calc_server/calc_service.h

@@ -4,14 +4,14 @@
 #include "webcc/soap_service.h"
 
 class CalcService : public webcc::SoapService {
-public:
+ public:
   CalcService() = default;
   ~CalcService() override = default;
 
   bool Handle(const webcc::SoapRequest& soap_request,
               webcc::SoapResponse* soap_response) override;
 
-private:
+ private:
   bool GetParameters(const webcc::SoapRequest& soap_request,
                      double* x, double* y);
 };

example/soap_calc_server/main.cc

@@ -5,7 +5,7 @@
 
 #include "example/soap_calc_server/calc_service.h"
 
-static void Help(const char* argv0) {
+void Help(const char* argv0) {
   std::cout << "Usage: " << argv0 << " <port>" << std::endl;
   std::cout << "  E.g.," << std::endl;
   std::cout << "    " << argv0 << " 8080" << std::endl;
@@ -24,6 +24,11 @@ int main(int argc, char* argv[]) {
 
   try {
     webcc::SoapServer server(port, workers);
+
+    // Customize response XML format.
+    server.set_format_raw(false);
+    server.set_indent_str("  ");
+
     server.Bind(std::make_shared<CalcService>(), "/calculator");
     server.Run();
   } catch (const std::exception& e) {

unittest/rest_service_manager_test.cc

@@ -2,7 +2,7 @@
 #include "gtest/gtest.h"
 
 class TestRestService : public webcc::RestService {
-public:
+ public:
   bool Handle(const std::string& http_method,
               const std::vector<std::string>& url_sub_matches,
               const webcc::UrlQuery& query,

webcc/CMakeLists.txt

@@ -54,19 +54,20 @@ if(WEBCC_ENABLE_SOAP)
 	# SOAP specific sources.
 	set(SOAP_SRCS
 		soap_client.cc
+		soap_client.h
+		soap_message.cc
 		soap_message.h
-		soap_request_handler.cc
+		soap_parameter.h
+		soap_response.cc
 		soap_response.h
-		soap_xml.cc
-		soap_client.h
 		soap_request.cc
+		soap_request.h
+		soap_request_handler.cc
 		soap_request_handler.h
 		soap_server.h
-		soap_xml.h
-		soap_message.cc
-		soap_request.h
-		soap_response.cc
 		soap_service.h
+		soap_xml.cc
+		soap_xml.h
 		)
 
 	set(SRCS ${SRCS} ${SOAP_SRCS})

webcc/globals.cc

@@ -54,42 +54,4 @@ const char* DescribeError(Error error) {
   }
 }
 
-// -----------------------------------------------------------------------------
-
-Parameter::Parameter(const std::string& key, const char* value)
-    : key_(key), value_(value) {
-}
-
-Parameter::Parameter(const std::string& key, const std::string& value)
-    : key_(key), value_(value) {
-}
-
-Parameter::Parameter(const std::string& key, std::string&& value)
-    : key_(key), value_(std::move(value)) {
-}
-
-Parameter::Parameter(const std::string& key, int value)
-    : key_(key), value_(std::to_string(value)) {
-}
-
-Parameter::Parameter(const std::string& key, double value)
-    : key_(key), value_(std::to_string(value)) {
-}
-
-Parameter::Parameter(const std::string& key, bool value)
-    : key_(key), value_(value ? "true" : "false") {
-}
-
-Parameter::Parameter(Parameter&& rhs)
-    : key_(std::move(rhs.key_)), value_(std::move(rhs.value_)) {
-}
-
-Parameter& Parameter::operator=(Parameter&& rhs) {
-  if (&rhs != this) {
-    key_ = std::move(rhs.key_);
-    value_ = std::move(rhs.value_);
-  }
-  return *this;
-}
-
 }  // namespace webcc

webcc/globals.h

@@ -2,7 +2,6 @@
 #define WEBCC_GLOBALS_H_
 
 #include <string>
-#include <vector>
 
 // -----------------------------------------------------------------------------
 // Macros
@@ -86,43 +85,6 @@ enum Error {
 // Return a descriptive message for the given error code.
 const char* DescribeError(Error error);
 
-// -----------------------------------------------------------------------------
-
-// Key-value parameter.
-class Parameter {
- public:
-  Parameter() = default;
-  Parameter(const Parameter&) = default;
-  Parameter& operator=(const Parameter&) = default;
-
-  Parameter(const std::string& key, const char* value);
-  Parameter(const std::string& key, const std::string& value);
-  Parameter(const std::string& key, std::string&& value);
-  Parameter(const std::string& key, int value);
-  Parameter(const std::string& key, double value);
-  Parameter(const std::string& key, bool value);
-
-  // Use "= default" if drop the support of VS 2013.
-  Parameter(Parameter&& rhs);
-
-  // Use "= default" if drop the support of VS 2013.
-  Parameter& operator=(Parameter&& rhs);
-
-  const std::string& key() const { return key_; }
-  const std::string& value() const { return value_; }
-
-  const char* c_key() const { return key_.c_str(); }
-  const char* c_value() const { return value_.c_str(); }
-
-  std::string ToString() const {
-    return key_ + "=" + value_;
-  }
-
- private:
-  std::string key_;
-  std::string value_;
-};
-
 }  // namespace webcc
 
 #endif  // WEBCC_GLOBALS_H_

webcc/soap_client.cc

@@ -11,8 +11,13 @@
 
 namespace webcc {
 
+SoapClient::SoapClient(const std::string& host, const std::string& port)
+    : host_(host), port_(port),
+      format_raw_(true), timeout_seconds_(0), timed_out_(false) {
+}
+
 Error SoapClient::Call(const std::string& operation,
-                       std::vector<Parameter>&& parameters,
+                       std::vector<SoapParameter>&& parameters,
                        std::string* result) {
   assert(service_ns_.IsValid());
   assert(!url_.empty() && !host_.empty());
@@ -29,12 +34,12 @@ Error SoapClient::Call(const std::string& operation,
 
   soap_request.set_operation(operation);
 
-  for (Parameter& p : parameters) {
+  for (SoapParameter& p : parameters) {
     soap_request.AddParameter(std::move(p));
   }
 
   std::string http_content;
-  soap_request.ToXml(&http_content);
+  soap_request.ToXml(format_raw_, indent_str_, &http_content);
 
   HttpRequest http_request;
 
@@ -46,8 +51,6 @@ Error SoapClient::Call(const std::string& operation,
   http_request.SetHeader(kSoapAction, operation);
   http_request.UpdateStartLine();
 
-  HttpResponse http_response;
-
   HttpClient http_client;
 
   if (timeout_seconds_ > 0) {

webcc/soap_client.h

@@ -4,8 +4,8 @@
 #include <string>
 #include <vector>
 
-#include "webcc/globals.h"
 #include "webcc/soap_message.h"
+#include "webcc/soap_parameter.h"
 
 namespace webcc {
 
@@ -17,22 +17,21 @@ class SoapClient {
 
   bool timed_out() const { return timed_out_; }
 
- protected:
-  SoapClient() : timeout_seconds_(0), timed_out_(false) {
+  void set_format_raw(bool format_raw) { format_raw_ = format_raw; }
+
+  void set_indent_str(const std::string& indent_str) {
+    indent_str_ = indent_str;
   }
 
+ protected:
+  SoapClient(const std::string& host, const std::string& port);
+
   // A generic wrapper to make a call.
   // NOTE: The parameters should be movable.
   Error Call(const std::string& operation,
-             std::vector<Parameter>&& parameters,
+             std::vector<SoapParameter>&& parameters,
              std::string* result);
 
-  // Timeout in seconds; only effective when > 0.
-  int timeout_seconds_;
-
-  // If the error was caused by timeout or not.
-  bool timed_out_;
-
   SoapNamespace soapenv_ns_;  // SOAP envelope namespace.
   SoapNamespace service_ns_;  // Namespace for your web service.
 
@@ -45,6 +44,19 @@ class SoapClient {
   // Response result XML node name.
   // E.g., "Result".
   std::string result_name_;
+
+  // Format request XML without any indentation or line breaks.
+  bool format_raw_;
+
+  // Indent string for request XML.
+  // Applicable when |format_raw_| is false.
+  std::string indent_str_;
+
+  // Timeout in seconds; only effective when > 0.
+  int timeout_seconds_;
+
+  // If the error was caused by timeout or not.
+  bool timed_out_;
 };
 
 }  // namespace webcc

webcc/soap_message.cc

@@ -11,19 +11,12 @@ const SoapNamespace kSoapEnvNamespace{
   "http://schemas.xmlsoap.org/soap/envelope/"
 };
 
-void SoapMessage::ToXml(std::string* xml_string) {
-  assert(soapenv_ns_.IsValid() &&
-         service_ns_.IsValid() &&
-         !operation_.empty());
+void SoapMessage::ToXml(bool format_raw, const std::string& indent,
+                        std::string* xml_string) {
+  assert(soapenv_ns_.IsValid() && service_ns_.IsValid() && !operation_.empty());
 
   pugi::xml_document xdoc;
 
-  // TODO(Adam):
-  // When save with format_default, declaration will be generated
-  // automatically but without encoding.
-  //   pugi::xml_node xdecl = xdoc.prepend_child(pugi::node_declaration);
-  //   xdecl.append_attribute("version").set_value("1.0");
-
   pugi::xml_node xroot = soap_xml::AddChild(xdoc, soapenv_ns_.name, "Envelope");
 
   soap_xml::AddNSAttr(xroot, soapenv_ns_.name, soapenv_ns_.url);
@@ -32,8 +25,12 @@ void SoapMessage::ToXml(std::string* xml_string) {
 
   ToXmlBody(xbody);
 
-  soap_xml::XmlStrRefWriter writer(xml_string);
-  xdoc.save(writer, "\t", pugi::format_default, pugi::encoding_utf8);
+  soap_xml::XmlStringWriter writer(xml_string);
+
+  unsigned int flags = format_raw ? pugi::format_raw : pugi::format_indent;
+
+  // Use print() instead of save() for no declaration or BOM.
+  xdoc.print(writer, indent.c_str(), flags, pugi::encoding_utf8);
 }
 
 bool SoapMessage::FromXml(const std::string& xml_string) {

webcc/soap_message.h

@@ -11,8 +11,7 @@ namespace webcc {
 
 // XML namespace name/url pair.
 // E.g., { "soap", "http://schemas.xmlsoap.org/soap/envelope/" }
-class SoapNamespace {
- public:
+struct SoapNamespace {
   std::string name;
   std::string url;
 
@@ -47,7 +46,8 @@ class SoapMessage {
   }
 
   // Convert to SOAP request XML.
-  void ToXml(std::string* xml_string);
+  void ToXml(bool format_raw, const std::string& indent,
+             std::string* xml_string);
 
   // Parse from SOAP request XML.
   bool FromXml(const std::string& xml_string);

webcc/soap_parameter.h

@@ -0,0 +1,79 @@
+#ifndef WEBCC_SOAP_PARAMETER_H_
+#define WEBCC_SOAP_PARAMETER_H_
+
+#include <string>
+
+namespace webcc {
+
+// Key-value SOAP parameter.
+class SoapParameter {
+ public:
+  SoapParameter() : as_cdata_(false) {
+  }
+
+  SoapParameter(const SoapParameter&) = default;
+  SoapParameter& operator=(const SoapParameter&) = default;
+
+  SoapParameter(const std::string& key, const char* value)
+      : key_(key), value_(value),
+        as_cdata_(false) {
+  }
+
+  SoapParameter(const std::string& key, const std::string& value,
+                bool as_cdata = false)
+      : key_(key), value_(value), as_cdata_(as_cdata) {
+  }
+
+  SoapParameter(const std::string& key, std::string&& value,
+                bool as_cdata = false)
+      : key_(key), value_(std::move(value)), as_cdata_(as_cdata) {
+  }
+
+  SoapParameter(const std::string& key, int value)
+      : key_(key), value_(std::to_string(value)),
+        as_cdata_(false) {
+  }
+
+  SoapParameter(const std::string& key, double value)
+      : key_(key), value_(std::to_string(value)),
+        as_cdata_(false) {
+  }
+
+  SoapParameter(const std::string& key, bool value)
+      : key_(key), value_(value ? "true" : "false"),
+        as_cdata_(false) {
+  }
+
+  // Use "= default" if drop the support of VS 2013.
+  SoapParameter(SoapParameter&& rhs)
+      : key_(std::move(rhs.key_)), value_(std::move(rhs.value_)),
+        as_cdata_(rhs.as_cdata_) {
+  }
+
+  // Use "= default" if drop the support of VS 2013.
+  SoapParameter& operator=(SoapParameter&& rhs) {
+    if (&rhs != this) {
+      key_ = std::move(rhs.key_);
+      value_ = std::move(rhs.value_);
+      as_cdata_ = rhs.as_cdata_;
+    }
+    return *this;
+  }
+
+  const std::string& key() const { return key_; }
+  const std::string& value() const { return value_; }
+
+  const char* c_key() const { return key_.c_str(); }
+  const char* c_value() const { return value_.c_str(); }
+
+  bool as_cdata() const { return as_cdata_; }
+
+ private:
+  std::string key_;
+  std::string value_;
+  bool as_cdata_;
+};
+
+}  // namespace webcc
+
+#endif  // WEBCC_SOAP_PARAMETER_H_

webcc/soap_request.cc

@@ -4,16 +4,16 @@
 
 namespace webcc {
 
-void SoapRequest::AddParameter(const Parameter& parameter) {
+void SoapRequest::AddParameter(const SoapParameter& parameter) {
   parameters_.push_back(parameter);
 }
 
-void SoapRequest::AddParameter(Parameter&& parameter) {
+void SoapRequest::AddParameter(SoapParameter&& parameter) {
   parameters_.push_back(std::move(parameter));
 }
 
 const std::string& SoapRequest::GetParameter(const std::string& key) const {
-  for (const Parameter& p : parameters_) {
+  for (const SoapParameter& p : parameters_) {
     if (p.key() == key) {
       return p.value();
     }
@@ -27,9 +27,12 @@ void SoapRequest::ToXmlBody(pugi::xml_node xbody) {
   pugi::xml_node xop = soap_xml::AddChild(xbody, service_ns_.name, operation_);
   soap_xml::AddNSAttr(xop, service_ns_.name, service_ns_.url);
 
-  for (Parameter& p : parameters_) {
+  for (SoapParameter& p : parameters_) {
     pugi::xml_node xparam = soap_xml::AddChild(xop, service_ns_.name, p.key());
-    xparam.text().set(p.value().c_str());
+
+    // xparam.text().set() also works for PCDATA.
+    xparam.append_child(p.as_cdata() ? pugi::node_cdata : pugi::node_pcdata)
+        .set_value(p.c_value());
   }
 }
 
@@ -46,7 +49,8 @@ bool SoapRequest::FromXmlBody(pugi::xml_node xbody) {
   while (xparameter) {
     parameters_.push_back({
       soap_xml::GetNameNoPrefix(xparameter),
-      std::string(xparameter.text().as_string())
+      // xparameter.text().get/as_string() also works.
+      std::string(xparameter.child_value())
     });
 
     xparameter = xparameter.next_sibling();

webcc/soap_request.h

@@ -5,6 +5,7 @@
 #include <vector>
 
 #include "webcc/soap_message.h"
+#include "webcc/soap_parameter.h"
 
 namespace webcc {
 
@@ -13,9 +14,9 @@ namespace webcc {
 // request body.
 class SoapRequest : public SoapMessage {
  public:
-  void AddParameter(const Parameter& parameter);
+  void AddParameter(const SoapParameter& parameter);
 
-  void AddParameter(Parameter&& parameter);
+  void AddParameter(SoapParameter&& parameter);
 
   // Get parameter value by key.
   const std::string& GetParameter(const std::string& key) const;
@@ -25,7 +26,7 @@ class SoapRequest : public SoapMessage {
   bool FromXmlBody(pugi::xml_node xbody) override;
 
  private:
-  std::vector<Parameter> parameters_;
+  std::vector<SoapParameter> parameters_;
 };
 
 }  // namespace webcc

webcc/soap_request_handler.cc

@@ -36,7 +36,7 @@ void SoapRequestHandler::HandleConnection(HttpConnectionPtr connection) {
   }
 
   std::string content;
-  soap_response.ToXml(&content);
+  soap_response.ToXml(format_raw_, indent_str_, &content);
   connection->SetResponseContent(std::move(content), kTextXmlUtf8);
   connection->SendResponse(HttpStatus::kOK);
 }

webcc/soap_request_handler.h

@@ -10,9 +10,16 @@ namespace webcc {
 
 class SoapRequestHandler : public HttpRequestHandler {
  public:
-  SoapRequestHandler() = default;
+  SoapRequestHandler() : format_raw_(true) {}
+
   ~SoapRequestHandler() override = default;
 
+  void set_format_raw(bool format_raw) { format_raw_ = format_raw; }
+
+  void set_indent_str(const std::string& indent_str) {
+    indent_str_ = indent_str;
+  }
+
   bool Bind(SoapServicePtr service, const std::string& url);
 
  private:
@@ -22,6 +29,13 @@ class SoapRequestHandler : public HttpRequestHandler {
 
   typedef std::map<std::string, SoapServicePtr> UrlServiceMap;
   UrlServiceMap url_service_map_;
+
+  // Format response XML without any indentation or line breaks.
+  bool format_raw_;
+
+  // Indent string for response XML.
+  // Applicable when |format_raw_| is false.
+  std::string indent_str_;
 };
 
 }  // namespace webcc

webcc/soap_response.cc

@@ -1,6 +1,7 @@
 #include "webcc/soap_response.h"
 
 #include <cassert>
+
 #include "webcc/soap_xml.h"
 
 namespace webcc {
@@ -12,7 +13,10 @@ void SoapResponse::ToXmlBody(pugi::xml_node xbody) {
 
   pugi::xml_node xresult = soap_xml::AddChild(xop, service_ns_.name,
                                               result_name_);
-  xresult.text().set(result_.c_str());
+
+  // xresult.text().set() also works for PCDATA.
+  xresult.append_child(is_cdata_ ? pugi::node_cdata : pugi::node_pcdata)
+      .set_value(result_.c_str());
 }
 
 bool SoapResponse::FromXmlBody(pugi::xml_node xbody) {
@@ -25,7 +29,9 @@ bool SoapResponse::FromXmlBody(pugi::xml_node xbody) {
 
     pugi::xml_node xresult = soap_xml::GetChildNoNS(xresponse, result_name_);
     if (xresult) {
-      result_ = xresult.text().get();
+      // The value of the first child node of type PCDATA/CDATA.
+      // xresult.text().get/as_string() also works.
+      result_ = xresult.child_value();
       return true;
     }
   }

webcc/soap_response.h

@@ -8,9 +8,10 @@
 
 namespace webcc {
 
-// SOAP response.
 class SoapResponse : public SoapMessage {
  public:
+  SoapResponse() : is_cdata_(false) {}
+
   // Could be "Price" for an operation/method like "GetXyzPrice".
   // Really depend on the service.
   // Most services use a general name "Result".
@@ -18,12 +19,14 @@ class SoapResponse : public SoapMessage {
     result_name_ = result_name;
   }
 
-  void set_result(const std::string& result) {
+  void set_result(const std::string& result, bool is_cdata) {
     result_ = result;
+    is_cdata_ = is_cdata;
   }
 
-  void set_result(std::string&& result) {
+  void set_result_moved(std::string&& result, bool is_cdata) {
     result_ = std::move(result);
+    is_cdata_ = is_cdata;
   }
 
   std::string result_moved() {
@@ -46,6 +49,9 @@ class SoapResponse : public SoapMessage {
 
   // Result value.
   std::string result_;
+
+  // CDATA result.
+  bool is_cdata_;
 };
 
 }  // namespace webcc

webcc/soap_server.h

@@ -5,8 +5,8 @@
 
 #include <string>
 
-#include "webcc/soap_request_handler.h"
 #include "webcc/http_server.h"
+#include "webcc/soap_request_handler.h"
 
 namespace webcc {
 
@@ -18,6 +18,14 @@ class SoapServer : public HttpServer {
 
   ~SoapServer() override = default;
 
+  void set_format_raw(bool format_raw) {
+    request_handler_.set_format_raw(format_raw);
+  }
+
+  void set_indent_str(const std::string& indent_str) {
+    request_handler_.set_indent_str(indent_str);
+  }
+
   // Bind a SOAP service to the given URL path.
   // The |url| path must start with "/", e.g., "/calculator".
   // Binding to the same URL multiple times is allowed, but only the last

webcc/soap_xml.cc

@@ -94,7 +94,7 @@ bool PrettyPrint(std::ostream& os, const std::string& xml_string,
     return false;
   }
 
-  xdoc.save(os, indent);
+  xdoc.print(os, indent);
   return true;
 }
 

webcc/soap_xml.h

@@ -58,11 +58,11 @@ std::string GetNSAttr(const pugi::xml_node& xnode,
 //   pugi::xml_document xdoc;
 //   ...
 //   std::string xml_string;
-//   XmlStrRefWriter writer(&xml_string);
-//   xdoc.save(writer, "\t", pugi::format_default, pugi::encoding_utf8);
-class XmlStrRefWriter : public pugi::xml_writer {
+//   XmlStringWriter writer(&xml_string);
+//   xdoc.save/print(writer);
+class XmlStringWriter : public pugi::xml_writer {
  public:
-  explicit XmlStrRefWriter(std::string* result) : result_(result) {
+  explicit XmlStringWriter(std::string* result) : result_(result) {
     result_->clear();
   }
 

webcc/url.cc

@@ -2,7 +2,6 @@
 
 #include <algorithm>
 #include <sstream>
-#include <utility>  // for move()
 
 namespace webcc {
 
@@ -89,7 +88,7 @@ void UrlQuery::Remove(const std::string& key) {
 const std::string& UrlQuery::Get(const std::string& key) const {
   auto it = Find(key);
   if (it != parameters_.end()) {
-    return it->value();
+    return it->second;
   }
 
   static const std::string kEmptyValue;
@@ -101,11 +100,11 @@ std::string UrlQuery::ToString() const {
     return "";
   }
 
-  std::string str = parameters_[0].ToString();
+  std::string str = parameters_[0].first + "=" + parameters_[0].second;
 
   for (std::size_t i = 1; i < parameters_.size(); ++i) {
     str += "&";
-    str += parameters_[i].ToString();
+    str += parameters_[i].first + "=" + parameters_[i].second;
   }
 
   return str;
@@ -114,7 +113,7 @@ std::string UrlQuery::ToString() const {
 UrlQuery::ConstIterator UrlQuery::Find(const std::string& key) const {
   return std::find_if(parameters_.begin(),
                       parameters_.end(),
-                      [&key](const Parameter& p) { return p.key() == key; });
+                      [&key](const SoapParameter& p) { return p.first == key; });
 }
 
 // -----------------------------------------------------------------------------

webcc/url.h

@@ -9,9 +9,10 @@
 
 #include <map>
 #include <string>
+#include <utility>
 #include <vector>
 
-#include "webcc/globals.h"
+//#include "webcc/globals.h"
 
 namespace webcc {
 
@@ -20,7 +21,8 @@ namespace webcc {
 // URL query parameters.
 class UrlQuery {
  public:
-  typedef std::vector<Parameter> Parameters;
+  typedef std::pair<std::string, std::string> SoapParameter;
+  typedef std::vector<SoapParameter> Parameters;
 
   UrlQuery() = default;