如何让 XStreamMarshaller 跳过未知绑定? [英] How can I make a XStreamMarshaller skip unknown binding?
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问题描述
我正在研究 Spring-Batch 程序.我使用 XStreamMarshaller 解组 XML 文件.
I'm working on a Spring-Batch program. I unmarshalls XML files with XStreamMarshaller.
如何让 XStreamMarshaller 跳过任何未知+未注释的字段?
How can I make a XStreamMarshaller to skip any unknown+unannoated fields?
<bean id="merge.reader.item"
class="org.springframework.batch.item.xml.StaxEventItemReader">
<property name="fragmentRootElementName" value="xml-fragment"/>
<property name="unmarshaller" ref="merge.reader.unmarshaller"/>
</bean>
<bean id="merge.reader.unmarshaller"
class="org.springframework.oxm.xstream.XStreamMarshaller">
<property name="aliases" ref="merge.reader.binder"/>
<property name="autodetectAnnotations" value="true"/>
</bean>
<util:map id="merge.reader.binder">
<entry key="xml-fragment" value="path.to.my.Model"/>
</util:map>
public class Model {
@XStreamAlias(value = "one")
private String one;
@XStreamAlias(value = "other")
private String other;
}
问题是在其他时间会引入一些新的xml元素.
The problem is that some new xml elements will be introduced in some other time.
我不想(实际上我不能)向我的模型添加额外的字段.
I don't want to (actually I can't) add extra fields to my Model.
推荐答案
我正在回答我自己的问题.解决方案是@biziclop 链接的地方.(免责声明:我也在那个帖子上回答了相同的答案).
I'm answering for my own question. The solution is where @biziclop linked. (disclaimer: I also answered the same answer on that post).
public class ExtendedXStreamMarshaller extends XStreamMarshaller {
@Override
protected void configureXStream(final XStream xstream) {
super.configureXStream(xstream);
xstream.ignoreUnknownElements(); // will it blend?
}
}
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