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A minimalist static site generator.

There is a newer version: 0.9.1

/*
 * Copyright © 2019-2022 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.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Stream;

import static java.lang.String.format;
import static java.lang.System.currentTimeMillis;
import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;

/**
 * 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) {

		// copy index file to source folder

		mark.index().ifPresent(entry -> {

			try {

				Files.copy(entry.getKey(), entry.getValue(), REPLACE_EXISTING);

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

		});

		// copy bundled assets to source folder

		mark.assets().forEach((path, url) -> {

			final Path source=mark.source().resolve(path);

			if ( !Files.exists(source) ) {
				try ( final InputStream resource=url.openStream() ) {

					Files.copy(resource, source);

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

		});

		// process resources

		try ( final Stream sources=Files.walk(mark.source()) ) {

			final long start=currentTimeMillis();
			final long count=mark.process(sources).size();
			final long stop=currentTimeMillis();

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

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

}