com.hp.autonomy.frontend.configuration.authentication.OneToOneOrZeroSimpleAuthorityMapper Maven / Gradle / Ivy
/*
* Copyright 2014-2015 Hewlett-Packard Development Company, L.P.
* Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License.
*/
package com.hp.autonomy.frontend.configuration.authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
/**
* This maps the incoming granted authorities to the corresponding entries in the {@link #authorityMap}.
*/
public class OneToOneOrZeroSimpleAuthorityMapper implements GrantedAuthoritiesMapper {
private final Map authorityMap;
/**
* Constructs a new OneToOneOrZeroSimpleAuthorityMapper with the given authority map.
* @param authorityMap A map from IDOL Community roles to application roles.
*/
public OneToOneOrZeroSimpleAuthorityMapper(final Map authorityMap) {
this.authorityMap = authorityMap;
}
@Override
public Collection mapAuthorities(final Collection authorities) {
final Collection output = new HashSet<>();
for (final GrantedAuthority authority : authorities) {
final String mappedAuthority = authorityMap.get(authority.getAuthority());
if (mappedAuthority != null) {
output.add(new SimpleGrantedAuthority(mappedAuthority));
}
}
return output;
}
}