在我的 Maven 项目中，我应该为 JAXB RI 使用哪些工件?

2022-01-19 00:00:00 java maven jaxb jaxb2

从历史上看，我总是在我的 Maven 项目中使用以下 JAXB RI 工件:

Historically, I always used the following JAXB RI artifacts in my Maven projects:

  • com.sun.xml.bind:jaxb-impl - 运行时
  • com.sun.xml.bind:jaxb-xjc - 模式编译器
  • com.sun.xml.bind:jaxb-jxc - 模式生成器
  • com.sun.xml.bind:jaxb-impl - Runtime
  • com.sun.xml.bind:jaxb-xjc - Schema compiler
  • com.sun.xml.bind:jaxb-jxc - Schema generator

由于大约是 2.2.10* 版本，这些工件现在是 描述为旧":

Since approximately version 2.2.10* these artifacts are now described as "old":

com.sun.xml.bind:jaxb-impl

旧的 JAXB 运行时模块.

Old JAXB Runtime module.

所以看起来这些工件现在已经过时了.

So it looks like these artifacts are now obsolete.

问题是:

应该使用哪些工件?

推荐答案

与Oracle澄清后，应使用以下工件:

After clarification with Oracle, the following artifacts should be used:

如果要将 XML 解组为 Java 对象或将 Java 对象编组为 XML:

If you want to unmarshal XML to Java objects or marshal Java objects as XML:

<dependency>
    <groupId>org.glassfish.jaxb</groupId>
    <artifactId>jaxb-runtime</artifactId>
    <version>...</version>
</dependency>

架构编译器 (XJC)

如果您有一个 XML Schema 并想从中生成 Java 代码:

Schema compiler (XJC)

If you have an XML Schema and want to generate the Java code out of it:

<dependency>
    <groupId>org.glassfish.jaxb</groupId>
    <artifactId>jaxb-xjc</artifactId>
    <version>...</version>
</dependency>

模式生成器(JXC/schemagen)

如果您有带有 JAXB 注释的 Java 类并希望基于它们生成 XML Schema:

Schema generator (JXC/schemagen)

If you have Java classes with JAXB annotations and want to generate a XML Schema based on them:

<dependency>
    <groupId>org.glassfish.jaxb</groupId>
    <artifactId>jaxb-jxc</artifactId>
    <version>...</version>
</dependency>

后两个工件(org.glassfish.jaxb:jaxb-xjc 和 org.glassfish.jaxb:jaxb-jxc)由 Maven 插件包装，因此您通常在运行时不需要它们.

The two latter artifacts (org.glassfish.jaxb:jaxb-xjc and org.glassfish.jaxb:jaxb-jxc) are wrapped by Maven plugins so you normally would not need them in the runtime.

如果您的 Maven 项目无法获得完整的类路径，请打开调试输出并检查 Maven 控制台.您可能会在此处看到以下错误消息:

If your Maven projects somehow don't get the full classpath, turn on debug output and check the Maven console. You might be seeing the following error message there:

[ERROR] 'dependencyManagement.dependencies.dependency.systemPath' for com.sun:tools:jar 必须指定绝对路径，但为 ${tools.jar} @

[ERROR] 'dependencyManagement.dependencies.dependency.systemPath' for com.sun:tools:jar must specify an absolute path but is ${tools.jar} @

这是由于以下问题:

Maven 没有正确选择 JAVA_HOME

@rustyx 的 解决方案 是将 -vm 选项添加到 eclipse.ini:

The solution by @rustyx is to add -vm option to the eclipse.ini:

-vm
<PATH_TO_JDK>jreinjavaw.exe

相关文章