com.metreeca.mark.Pipe Maven / Gradle / Ivy

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/*
 * Copyright © 2019-2023 Metreeca srl
 *
 * 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 com.metreeca.mark;

import java.nio.file.Path;
import java.util.Optional;


/**
 * Site resource processing pipe.
 *
 * Transfers processed resources from the source to the target folder.
 */
@FunctionalInterface public interface Pipe {

	/**
	 * Processes a resource.
	 *
	 * @param source the path of the source file
	 *
	 * @return an optional site file, if this pipe actually handled the {@code source} file; an empty optional,
	 * otherwise
	 */
	public Optional process(final Path source);

}