/* ====================================================================
*
* Copyright (C) 2015 GeoSolutions S.A.S.
* http://www.geo-solutions.it
*
* GPLv3 + Classpath exception
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.
*
* ====================================================================
*
* This software consists of voluntary contributions made by developers
* of GeoSolutions. For more information on GeoSolutions, please see
* <http://www.geo-solutions.it/>.
*
*/
package it.geosolutions.geostore.core.security;
import java.util.Map;
import org.springframework.expression.AccessException;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.PropertyAccessor;
import org.springframework.expression.TypedValue;
/**
* Implementation of UserMapper that maps attributes from a UserDetailsWithAttributes
* object to GeoStore User attributes. Mappings are expressed using SpEL expressions.
*
* @author Mauro Bartolomeoli
*
*/
public class UserDetailsExpressionUserMapper extends ExpressionUserMapper {
public UserDetailsExpressionUserMapper(Map<String, String> attributeMappings) {
super(attributeMappings);
// property accessor for UserDetailsWithAttributes attributes (read only)
evaluationContext.addPropertyAccessor(new PropertyAccessor() {
@Override
public void write(EvaluationContext ctx, Object target, String name, Object value)
throws AccessException {
}
@Override
public TypedValue read(EvaluationContext ctx, Object target, String name)
throws AccessException {
if (target instanceof UserDetailsWithAttributes) {
UserDetailsWithAttributes details = (UserDetailsWithAttributes) target;
return new TypedValue(details.getAttribute(name));
}
return null;
}
@Override
public Class[] getSpecificTargetClasses() {
return new Class[] { UserDetailsWithAttributes.class };
}
@Override
public boolean canWrite(EvaluationContext ctx, Object target, String name)
throws AccessException {
return false;
}
@Override
public boolean canRead(EvaluationContext ctx, Object target, String name)
throws AccessException {
return target instanceof UserDetailsWithAttributes;
}
});
}
}