[英]JAXB apply bindings to more than one .xsd schema
我有几个我无法控制的 XML 模式,我想在通过 XJC 生成 Java 类时应用某些自定义。
一些自定义应该适用于所有.xsd
文件,但我不确定如何实现这一点。
目前我有这个.xjb
文件:
<jxb:bindings version="2.1"
xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:inheritance="http://jaxb2-commons.dev.java.net/basic/inheritance"
jxb:extensionBindingPrefixes="inheritance">
<jxb:bindings schemaLocation="../schemas/A.xsd">
<jxb:schemaBindings>
<jxb:package name="my.foo.a" />
</jxb:schemaBindings>
<jxb:bindings node="//xs:complexType[@name='A']">
<jxb:class name="A" />
<inheritance:implements>my.foo.interfaces.IA</inheritance:implements>
</jxb:bindings>
<jxb:bindings node="//xs:complexType[@name='Device']">
<jxb:class name="Device" />
<inheritance:implements>my.foo.interfaces.IDevice</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
<jxb:bindings schemaLocation="../schemas/B.xsd">
<jxb:schemaBindings>
<jxb:package name="my.foo.b" />
</jxb:schemaBindings>
<jxb:bindings node="//xs:complexType[@name='B']">
<jxb:class name="B" />
<inheritance:implements>my.foo.interfaces.IB</inheritance:implements>
</jxb:bindings>
<jxb:bindings node="//xs:complexType[@name='Device']">
<jxb:class name="Device" />
<inheritance:implements>my.foo.interfaces.IDevice</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
</jxb:bindings>
这个 Ant 任务:
<taskdef name="xjc" classname="org.jvnet.jaxb2_commons.xjc.XJC2Task">
<classpath>
<fileset dir="../../dependencies/lib" >
<include name="activation-*.jar"/>
<include name="jaxb-api-*.jar"/>
<include name="jaxb-impl-*.jar"/>
<include name="jsr173_api-*.jar"/>
<include name="stax-api-*.jar"/>
<include name="jaxb2-basics-jaxb-xjc-*.jar"/>
<include name="jaxb-xjc-*.jar"/>
<include name="jaxb2-basics-ant-*.jar"/>
</fileset>
</classpath>
</taskdef>
<xjc destdir="../src" extension="true" header="false" binding="bindings.xjb">
<arg line="-Xinheritance"/>
<schema dir="../schemas">
<include name="*.xsd"/>
<exclude name="Foo.xsd"/>
</schema>
<!-- Plugins -->
<classpath>
<fileset dir="../../dependencies/lib">
<!-- JAXB2 Basics library -->
<include name="jaxb2-basics-*.jar"/>
<!-- JAXB2 Basics library dependencies -->
<include name="jaxb2-basics-runtime-*.jar"/>
<include name="jaxb2-basics-tools-*.jar"/>
<include name="javaparser-*.jar"/>
<include name="commons-beanutils-*.jar"/>
<include name="commons-lang-*.jar"/>
<include name="commons-logging-*.jar"/>
</fileset>
</classpath>
</xjc>
最后我想做的是以某种方式指定公共块(我有多个),即:
<jxb:bindings node="//xs:complexType[@name='Device']">
<jxb:class name="Device" />
<inheritance:implements>my.foo.interfaces.IDevice</inheritance:implements>
</jxb:bindings>
对于我所有的.xsd
文件。
假设是这样的:
<jxb:bindings version="2.1"
xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:inheritance="http://jaxb2-commons.dev.java.net/basic/inheritance"
jxb:extensionBindingPrefixes="inheritance">
<jxb:bindings schemaLocation="../schemas/*.xsd">
<jxb:bindings node="//xs:complexType[@name='Device']">
<jxb:class name="Device" />
<inheritance:implements>my.foo.interfaces.IDevice</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
<jxb:bindings schemaLocation="../schemas/A.xsd">
<jxb:schemaBindings>
<jxb:package name="my.foo.a" />
</jxb:schemaBindings>
<jxb:bindings node="//xs:complexType[@name='A']">
<jxb:class name="A" />
<inheritance:implements>my.foo.interfaces.IA</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
<jxb:bindings schemaLocation="../schemas/B.xsd">
<jxb:schemaBindings>
<jxb:package name="my.foo.b" />
</jxb:schemaBindings>
<jxb:bindings node="//xs:complexType[@name='B']">
<jxb:class name="B" />
<inheritance:implements>my.foo.interfaces.IB</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
</jxb:bindings>
我怎样才能做到这一点?
因此,对于(大部分)在此处使用此答案: https : //stackoverflow.com/a/18592030/770023
我已经设法使模式工作,作为参考,您需要做的就是设置schemaLocation="*"
(当然是为了读取所有模式)并用multiple="true"
和required="false"
标记绑定元素required="false"
因为一些模式可能包含这些元素(一次或多次),有些可能根本不包含它们。
<jxb:bindings version="2.1"
xmlns:jxb="http://java.sun.com/xml/ns/jaxb"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:inheritance="http://jaxb2-commons.dev.java.net/basic/inheritance"
jxb:extensionBindingPrefixes="inheritance">
<jxb:bindings schemaLocation="*">
<jxb:bindings node="//xs:complexType[@name='Device']" multiple="true" required="false">
<inheritance:implements>my.foo.interfaces.IDevice</inheritance:implements>
</jxb:bindings>
</jxb:bindings>
<!-- rest of the bindings (per schema ones) go here -->
</jxb:bindings>
请注意,由于某些(我不知道的)原因,我必须删除class
绑定(例如<jxb:class name="Device" />
)才能让 XJC 接受该文件。
它主要工作,我无法开始工作的是inheritance:extends
定制,它不想在与implements
相同的条件下运行......
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