/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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;
}
}