Apache CXF：构建SOAP与RESTful服务开发指南

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Apache CXF Web Service Development 是一本由 Naveen Balani 和 Rajeev Hathi 合著的专业技术书籍，它专注于在 Apache CXF 平台上开发和部署 SOAP（简单对象访问协议）和 RESTful（Representational State Transfer，表述性状态转移）Web服务。该书是 Packt Publishing 出版的，版权日期为2009年12月，旨在提供详尽的指南，帮助读者理解和实践在现代企业应用中广泛应用的Web服务技术。本书的主要内容涵盖了以下几个关键知识点： 1. **Apache CXF简介**：介绍了Apache CXF框架的背景、特性以及它在企业级Web服务开发中的角色，包括其对SOAP和REST两种标准的支持。 2. **SOAP服务开发**：详细讲解了如何使用CXF创建和管理SOAP服务，包括WSDL（Web Services Description Language）的使用、消息处理、数据绑定、安全性和事务管理等。 3. **RESTful服务开发**：展示了如何利用CXF实现轻量级的RESTful服务，包括URI设计、HTTP方法（GET、POST等）、JSON和XML数据格式、缓存和API版本控制等。 4. **部署与配置**：涵盖了部署策略，包括容器集成（如JBoss、Tomcat）、服务注册与发现、负载均衡和故障恢复等内容。 5. **实战项目**：书中提供了丰富的实例，通过实际项目的开发过程，让读者一步步掌握CXF的使用，并理解如何将所学应用于实际工作场景。 6. **最佳实践与性能优化**：探讨了在设计和实施Web服务时应考虑的最佳实践，以及如何进行性能调优，确保服务的高效运行。 7. **版权与免责声明**：强调了所有内容的版权保护，声明未经作者或出版商书面许可，不得复制或传播。同时，书中的信息不承担任何法律担保，用户需自行判断其适用性。 Apache CXF Web Service Development 是一本实用且权威的资源，对于希望深入学习和运用Apache CXF开发Web服务的开发者而言，无论是SOAP还是REST，都是提升技能和解决实际问题的重要参考书籍。通过阅读这本书，读者将能全面掌握这一关键技术，并将其应用到自己的软件开发项目中。

Preface

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Chapter 7: Deploying RESTful Services with CXF will explain how to deploy REST

services in a container like Tomcat using Spring conguration, and how to test out

the various operations exposed by the RESTFul application using CXF RESTful client

API using a web service development tool. We will look at how to enable exception

handling, JSON message support, and logging support for RESTful applications

using CFX framework.

By the end of this chapter the reader would be able utilize various CXF features for

developing RESTful services and how to leverage Spring conguration for deploying

RESTful service in the tomcat container.

Chapter 8: Working with CXF Tools will explain some of the commonly used CFX

tools that assist us in web services development. We will look at how to invoke a

real world .NET service over the internet using a Java client and JavaScript, create

web service implementation from WSDL les, generate WSDL les from web service

implementation, and validate the WSDL le for compliance.

By the end of this chapter the reader will be able to use different CXF tools to

develop a service.

Appendix A deals with how to set up the CXF environment, provides details on how

the source code for each chapter is organized, and shows how to run the source code

examples using the ANT tool and Maven Tool.

Appendix B provides an explanation of the basics of the Spring framework and IoC

concepts, along with an end-to-end example which utilizes Spring IoC concepts.

By the end of this Appendix chapter the reader will have a good understanding

of Spring capabilities used in the context of CXF web services development in

this book.

What you need for this book

You will need the following software to be installed before running the

code example:

• Java 5 or higher. Apache CXF requires JDK 5 or a later version. JDK 5 can be

downloaded from the following site:

http://java.sun.com/j2se/1.5.0/

download.jsp

• Tomcat 6.0 or higher. There is no strict requirement for Tomcat for CXF. In

fact, any servlet container that supports Java 5 or higher can be used with

CXF. For our illustrations, we will use Tomcat as our servlet container.

Tomcat version 6.0 can be downloaded from the following site: http://

tomcat.apache.org/download-60.cgi

Getting Familiar with CXF

We often require real world systems and applications to integrate with each other.

Application integration is one of the critical areas that you need to focus on during

application development, if your application involves integrating with third party or

external systems. Alternatively, depending on your requirements, you may want other

systems to access your application. Let's take an example of a credit card company

providing services to guarantee payments made by consumers. These services are

available over the Web, and consumers or applications, such as an online shopping

application, or an airline rm that accepts credit cards as payment for its services,

uses the credit card payment service for a consumer's payments. Since the credit

card services can be accessed by any application client such as a web browser or a

WAP (Wireless Application Protocol) enabled phone, and developed using any

programming language, there is a need for a standard-based communication where

the services offered can be used by any application, irrespective of any underlying

technology. This is where web services come into play, and to simplify the design

and development of web services, you have the option of using various web service

frameworks. Apache CXF is one such leading standard-based web services framework

whose goal is to simplify web services development.

In order to get started with the CXF framework, you rst need to understand the

concepts behind web services, the technology, and the standards that make up web

service and features provided by the CFX framework. This chapter will cover these

core concepts.

Specically, in this chapter we will cover the following topics:

• The core technology standards and concepts behind web services

• Approaches for web services development

• Overview of Apache CXF framework

• Features provided by Apache CXF framework

• Setting up Apache CFX environment

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