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package com.sun.tools.xjc.reader.dtd.bindinfo;
import java.util.ArrayList;
import com.sun.tools.xjc.generator.bean.field.FieldRenderer;
import com.sun.tools.xjc.generator.bean.field.FieldRendererFactory;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
/** {@code <attribute>} declaration in the binding file. */
public class BIAttribute
{
/**
* Wraps a given {@code <attribute>} element.
* <p>
* Should be created only from {@link BIElement}.
*/
BIAttribute( BIElement _parent, Element _e ) {
this.parent = _parent;
this.element = _e;
}
private final BIElement parent;
private final Element element;
/** Gets the name of this attribute-property declaration. */
public final String name() {
return element.getAttribute("name");
}
/**
* Gets the conversion method for this attribute, if any.
*
* @return
* If the convert attribute is not specified, this
* method returns null.
*/
public BIConversion getConversion() {
if (element.getAttributeNode("convert") == null)
return null;
String cnv = element.getAttribute("convert");
return parent.conversion(cnv);
}
/**
* Gets the realization of this particle, if any.
*
* @return
* null if the "collection" attribute was not specified.
*/
public final FieldRenderer getRealization() {
Attr a = element.getAttributeNode("collection");
if(a==null) return null;
String v = element.getAttribute("collection").trim();
FieldRendererFactory frf = parent.parent.model.options.getFieldRendererFactory();
if(v.equals("array")) return frf.getArray();
if(v.equals("list"))
return frf.getList(
parent.parent.codeModel.ref(ArrayList.class));
// the correctness of the attribute value must be
// checked by the validator.
throw new InternalError("unexpected collection value: "+v);
}
/**
* Gets the property name for this attribute.
*
* @return
* always a non-null, valid string.
*/
public final String getPropertyName() {
String r = DOMUtil.getAttribute(element,"property");
if(r!=null) return r;
else return name();
}
}