/*
* 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.openid;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
/**
*
* @author Luke Taylor
* @since 3.1
*/
public class RegexBasedAxFetchListFactory implements AxFetchListFactory {
private final Map<Pattern, List<OpenIDAttribute>> idToAttributes;
/**
* @param regexMap map of regular-expressions (matching the identifier) to attributes
* which should be fetched for that pattern.
*/
public RegexBasedAxFetchListFactory(Map<String, List<OpenIDAttribute>> regexMap) {
idToAttributes = new LinkedHashMap<Pattern, List<OpenIDAttribute>>();
for (Map.Entry<String, List<OpenIDAttribute>> entry : regexMap.entrySet()) {
idToAttributes.put(Pattern.compile(entry.getKey()), entry.getValue());
}
}
/**
* Iterates through the patterns stored in the map and returns the list of attributes
* defined for the first match. If no match is found, returns an empty list.
*/
public List<OpenIDAttribute> createAttributeList(String identifier) {
for (Map.Entry<Pattern, List<OpenIDAttribute>> entry : idToAttributes.entrySet()) {
if (entry.getKey().matcher(identifier).matches()) {
return entry.getValue();
}
}
return Collections.emptyList();
}
}