Java-XML数据绑定工具大比拼 (转)

Java-XML数据绑定工具大比拼 (转)[@more@]

把Java对象映射成XML文档，这是Java对象持久化的一种新思路。在XML.com的一篇文章里，作者对四种主要的Java-XML映射工具进行了全面的比较：

• Breeze XML Binder, a tool produced by Breeze Factor
• Castor, an open source project under ExoLab
• JAXB Reference Implementation, created by SUN
• SOApxdk">XGen, a tool produced by Commerce One.

比较的标准主要有以下几条：（1）对XML大纲（schema）特性的支持程度；（2）生成Java代码的可用性；（3）Java-XML转换（以及反向转换）的工作情况。

测试的结果如下。可以看到，Sun的JAXB参考实现竟然有着绝佳的表现，不论在性能还是特性集方面，都仅次于XGen，名列第二。这让我对JAXB又多了几分信心。

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Feature

Breeze

Castor

JAXB RI

XGen

Customization Disallowed

Package Name Mapped from Namespace

1

Automatic Unmarshaling

Open Source

2

Free of Charge

Schema Location Roundtrippable

Schema Location Settable

3

3

Schemas without a Target Namespace Supported

Instance Validation on Unmarshal

4

Constraint Check of Values on Set

5

Value Validation when Marshaling

5

Code Generation Command Line Tool Interface

Code Generation Programmatic Interface

Code Generation GUI Interface

Generated Code Implements Generic Interfaces

6

1 -- Mapped if no other package name is specified.
2-- JAXB will be available as an open source project in the upcoming future. More information can be found at .NET/">http://jaxb.dev.java.net/.
3 -- Only on marshaller class.
4 -- Off by default.
5 -- Some values validated.
6 -- Interfaces based on functionality instead of type of XML Schema construct.

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