package org.springframework.security.config.authentication;
import org.springframework.beans.BeanMetadataElement;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.security.authentication.dao.ReflectionSaltSource;
import org.springframework.security.authentication.dao.SystemWideSaltSource;
import org.springframework.security.config.Elements;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
/**
* @author Luke Taylor
* @since 2.0
*/
class SaltSourceBeanDefinitionParser {
private static final String ATT_USER_PROPERTY = "user-property";
private static final String ATT_REF = "ref";
private static final String ATT_SYSTEM_WIDE = "system-wide";
public BeanMetadataElement parse(Element element, ParserContext parserContext) {
String ref = element.getAttribute(ATT_REF);
if (StringUtils.hasText(ref)) {
return new RuntimeBeanReference(ref);
}
String userProperty = element.getAttribute(ATT_USER_PROPERTY);
RootBeanDefinition saltSource;
if (StringUtils.hasText(userProperty)) {
saltSource = new RootBeanDefinition(ReflectionSaltSource.class);
saltSource.getPropertyValues().addPropertyValue("userPropertyToUse", userProperty);
saltSource.setSource(parserContext.extractSource(element));
saltSource.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
return saltSource;
}
String systemWideSalt = element.getAttribute(ATT_SYSTEM_WIDE);
if (StringUtils.hasText(systemWideSalt)) {
saltSource = new RootBeanDefinition(SystemWideSaltSource.class);
saltSource.getPropertyValues().addPropertyValue("systemWideSalt", systemWideSalt);
saltSource.setSource(parserContext.extractSource(element));
saltSource.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);
return saltSource;
}
parserContext.getReaderContext().error(Elements.SALT_SOURCE + " requires an attribute", element);
return null;
}
}