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A minimalist Maven plugin for static site generation

There is a newer version: 0.9.1

/*
 * Copyright © 2019-2020 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.tasks;

import com.metreeca.mark.*;

import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Stream;

import static java.lang.System.currentTimeMillis;

/**
 * Site building task.
 *
 * Generates a processed version of the {@linkplain Opts#source() source} site folder in the
 * {@linkplain Opts#target() target} site folder.
 */
public final class Build implements Task {

	@Override public void exec(final Mark mark) {
		try (
				final Stream assets=Files.walk(mark.assets());
				final Stream sources=Files.walk(mark.source())
		) {

			final long start=currentTimeMillis();
			final long count=mark.process(Stream.concat(assets, sources));
			final long stop=currentTimeMillis();

			if ( count > 0 ) {
				mark.logger().info(String.format("processed %,d files in %,.3f s", count, (stop-start)/1000.0f));
			}

		} catch ( final IOException e ) {
			throw new UncheckedIOException(e);
		}
	}

}