How to use

org.apache.ws.commons.schema.XmlSchemaUse

constructor

/**
 * Creates new XmlSchemaAttribute
 */
public XmlSchemaAttribute() {
  form = new XmlSchemaForm(XmlSchemaForm.NONE);
  use = new XmlSchemaUse(Constants.BlockConstants.NONE);
}

/**
 * Creates new XmlSchemaAttribute
 */
public XmlSchemaAttribute() {
  form = new XmlSchemaForm(XmlSchemaForm.NONE);
  use = new XmlSchemaUse(Constants.BlockConstants.NONE);
}

/**
 * Creates new XmlSchemaAttribute
 */
public XmlSchemaAttribute() {
  form = new XmlSchemaForm(XmlSchemaForm.NONE);
  use = new XmlSchemaUse(Constants.BlockConstants.NONE);
}

attr.use = new XmlSchemaUse(useType);

attr.use = new XmlSchemaUse(useType);

attr.use = new XmlSchemaUse(useType);

/**
 * Adds the given parameter to the complex type.
 * @param complexType The complex type which the attribute will be added to
 * @param name The name of the attribute
 * @param xsdType The type of the attribute
 */
@SuppressWarnings("unchecked")
private static void addAttributeToComplexType(XmlSchemaComplexType complexType, String name,
    QName xsdType) {
  XmlSchemaAttribute attr = new XmlSchemaAttribute();
  attr.setName(name);
  attr.setSchemaTypeName(xsdType);
  attr.setUse(new XmlSchemaUse("optional"));
  XmlSchemaAttribute tmpAttr;
  for (Iterator<XmlSchemaAttribute> itr = complexType.getAttributes().getIterator(); 
       itr.hasNext();) {
    tmpAttr = itr.next();
    if (tmpAttr.getName().equals(attr.getName())) {
      /* current attribute is already set, nothing more to do */
      return;
    }
  }
  complexType.getAttributes().add(attr);
}