Apache CXF详解：构建SOAP与RESTful Web服务

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"Apache CXF Web Service Development - 通过Apache CXF框架进行SOAP和RESTful Web服务的开发与部署，适合英语水平不高的开发者学习。" Apache CXF 是一个开源的Web服务框架，它允许开发者创建和消费Web服务。这本书《Apache CXF Web Service Development》由Naveen Balani和Rajeev Hathi撰写，旨在帮助读者深入理解如何使用CXF进行SOAP（简单对象访问协议）和RESTful（表述性状态转移）Web服务的开发与部署。这本书的内容可能包括但不限于以下知识点： 1. **Web服务基础**：讲解Web服务的基本概念，包括服务提供者和服务消费者，以及它们之间的交互方式。 2. **CXF框架介绍**：详细介绍Apache CXF框架的功能和优点，包括其在WS-*（如WS-Security、WS-Addressing等）标准支持上的强大能力。 3. **SOAP服务开发**：教授如何使用CXF创建和发布SOAP Web服务，包括WSDL（Web服务描述语言）的生成和使用，以及处理SOAP消息。 4. **RESTful服务开发**：涵盖RESTful架构风格，如何使用CXF构建资源导向的Web服务，包括HTTP方法、URI设计和JSON/XML数据交换。 5. **集成与部署**：讨论CXF与其他Java EE组件（如Tomcat、Jetty等）的集成，以及如何将Web服务部署到不同的服务器环境中。 6. **安全与认证**：介绍如何在CXF中实现Web服务的安全机制，如基本认证、令牌认证、SSL/TLS等。 7. **测试与调试**：讲解如何使用CXF提供的工具进行Web服务的测试和调试，确保服务的正确性和性能。 8. **故障排查与优化**：分享在遇到问题时如何定位和解决，以及如何优化Web服务的性能和响应速度。 9. **案例研究**：通过实际的项目案例，演示如何将所学知识应用到真实的开发场景中。 10. **持续集成与版本控制**：可能会涉及如何将CXF项目集成到持续集成工具（如Jenkins、Git等）中，以及版本控制的最佳实践。虽然这本书的目的是面向英语水平不高的读者，但内容的深度和广度依然保证了专业性，无论你是初学者还是有经验的开发者，都能从中获得有价值的见解和技能。请记住，尽管书中的信息力求准确，但技术日新月异，读者在实际应用时应结合最新的官方文档和社区资源来获取最准确的信息。

Preface

[ 3 ]

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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