/*
 * Copyright 2013-2020 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.cloud.internal;

import java.io.File;
import java.io.IOException;
import java.util.List;

import org.springframework.util.FileSystemUtils;

final class ResourcesCopier {

	void copy(List<File> baseDirs, File output) {
		File images = new File(output, "images");
		baseDirs.forEach(input -> {
			try {
				File inputImages = new File(input, "images");
				if (!inputImages.exists()) {
					return;
				}
				Logger.info("Will copy [" + inputImages + "] files to [" + images + "]");
				FileSystemUtils.copyRecursively(inputImages, images);
			}
			catch (IOException e) {
				throw new IllegalStateException(e);
			}
		});
	}

}
