com.sun.xml.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator Maven / Gradle / Ivy
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package com.sun.xml.bind.v2.runtime.unmarshaller;
import org.xml.sax.SAXException;
/**
* Decorates another {@link Loader} by setting a default value.
*
* @author Kohsuke Kawaguchi
*/
public final class DefaultValueLoaderDecorator extends Loader {
private final Loader l;
private final String defaultValue;
public DefaultValueLoaderDecorator(Loader l, String defaultValue) {
this.l = l;
this.defaultValue = defaultValue;
}
@Override
public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
// install the default value, but don't override the one given by the parent loader
if(state.getElementDefaultValue() == null)
state.setElementDefaultValue(defaultValue);
state.setLoader(l);
l.startElement(state,ea);
}
}