免责声明:我是JAXB2-Basics XJC 插件的强大包的作者。
您可以为此使用来自JAXB2-Basics 的ToString。它使用类似于commons-lang 的“战略”方法,但生成无反射代码——这意味着生成的toString() 方法将非常快。
您将生成如下内容:
public String toString() {
final ToStringStrategy strategy = JAXBToStringStrategy.INSTANCE;
final StringBuilder buffer = new StringBuilder();
append(null, buffer, strategy);
return buffer.toString();
}
public StringBuilder append(ObjectLocator locator, StringBuilder buffer, ToStringStrategy strategy) {
strategy.appendStart(locator, this, buffer);
appendFields(locator, buffer, strategy);
strategy.appendEnd(locator, this, buffer);
return buffer;
}
public StringBuilder appendFields(ObjectLocator locator, StringBuilder buffer, ToStringStrategy strategy) {
{
USAddress theShipTo;
theShipTo = this.getShipTo();
strategy.appendField(locator, this, "shipTo", buffer, theShipTo);
}
{
USAddress theBillTo;
theBillTo = this.getBillTo();
strategy.appendField(locator, this, "billTo", buffer, theBillTo);
}
// ...
return buffer;
}
蚂蚁的用法大致如下:
<target name="generate-sources">
<taskdef name="xjc" classname="org.jvnet.jaxb2_commons.xjc.XJC2Task">
<!-- XJC2 Task classpath -->
<classpath>
<fileset dir="${basedir}/lib">
<include name="activation-*.jar"/>
<include name="jaxb-api-*.jar"/>
<include name="jaxb-impl-*.jar"/>
<include name="jaxb-runtime-*.jar"/>
<include name="jaxb-core-*.jar"/>
<include name="jsr173_api-*.jar"/>
<include name="stax-api-*.jar"/>
<include name="jaxb-xjc-*.jar"/>
<include name="jaxb2-basics-ant-*.jar"/>
<include name="slf4j-*.jar"/>
<include name="jcl-over-slf4j-*.jar"/>
</fileset>
</classpath>
</taskdef>
<mkdir dir="${basedir}/target/generated-sources/xjc"/>
<xjc destdir="${basedir}/target/generated-sources/xjc" extension="true">
<arg line="
-Xequals
-XhashCode
-Xinheritance
-XtoString
-Xcopyable
-XenumValue"/>
<binding dir="${basedir}/src/main/resources">
<include name="**/*.xjb"/>
</binding>
<schema dir="${basedir}/src/main/resources">
<include name="**/*.xsd"/>
</schema>
<!-- Plugins -->
<classpath>
<fileset dir="${basedir}/lib">
<include name="jaxb2-basics-plugins-*.jar"/>
</fileset>
</classpath>
</xjc>
</target>
distribution 有一个可立即运行的 Ant 示例(请参阅 jaxb2-basics-sample-basic-<VERSION>-ant-src.zip)。