/*
 * Copyright 2012-2017 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
 *
 *      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.springframework.boot.actuate.health;

import java.io.File;

import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.util.Assert;

/**
 * External configuration properties for {@link DiskSpaceHealthIndicator}.
 *
 * @author Andy Wilkinson
 * @since 1.2.0
 */
@ConfigurationProperties(prefix = "management.health.diskspace")
public class DiskSpaceHealthIndicatorProperties {

	private static final int MEGABYTES = 1024 * 1024;

	private static final int DEFAULT_THRESHOLD = 10 * MEGABYTES;

	/**
	 * Path used to compute the available disk space.
	 */
	private File path = new File(".");

	/**
	 * Minimum disk space that should be available, in bytes.
	 */
	private long threshold = DEFAULT_THRESHOLD;

	public File getPath() {
		return this.path;
	}

	public void setPath(File path) {
		Assert.isTrue(path.exists(), "Path '" + path + "' does not exist");
		Assert.isTrue(path.canRead(), "Path '" + path + "' cannot be read");
		this.path = path;
	}

	public long getThreshold() {
		return this.threshold;
	}

	public void setThreshold(long threshold) {
		Assert.isTrue(threshold >= 0, "threshold must be greater than 0");
		this.threshold = threshold;
	}

}
