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/**
 * Copyright (C) 2002 Mike Hummel ([email protected])
 *
 * 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 de.mhus.lib.logging;

import org.apache.shiro.subject.Subject;

import de.mhus.lib.core.logging.ParameterEntryMapper;

public class ShiroMapper implements ParameterEntryMapper {

    @Override
    public Object map(Object in) {
        if (in == null) return null;
        if (in instanceof Subject) return ((Subject) in).getPrincipal();
        return in;
    }
}