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Logging interfaces and basic logger implementations.

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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 3 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.  If not, see .
 */
package org.neo4j.logging.log4j;

import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.lookup.StrLookup;

/**
 * Plugin to handle lookups from the neo4j configuration, e.g. {@code ${config:dbms.directories.neo4j_home}}
 */
@Plugin(name = "config", category = StrLookup.CATEGORY)
public class ConfigLookup extends AbstractLookup {
    @Override
    public String lookup(String key) {
        return context.configLookup().apply(key).toString();
    }
}