/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.logging.log4j.core.config.plugins.util;

/**
 * Interface for doing automatic String conversion to a specific type.
 *
 * @param <T> the type this converter converts Strings into.
 */
public interface TypeConverter<T> {

    /**
     * Converts a String to a given type.
     *
     * @param s the String to convert.
     * @return the converted object.
     */
    T convert(String s);
}

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.logging.log4j.core.config.plugins.util;

/**
 * Interface for doing automatic String conversion to a specific type.
 *
 * @param <T> the type this converter converts Strings into.
 */
public interface TypeConverter<T> {

    /**
     * Converts a String to a given type.
     *
     * @param s the String to convert. Cannot be {@code null}.
     * @return the converted object.
     */
    T convert(String s);
}

Add documentation requiring non-null values.