com.diffplug.spotless.maven.SpotlessApplyMojo Maven / Gradle / Ivy

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/*
 * Copyright 2016-2020 DiffPlug
 *
 * 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.diffplug.spotless.maven;

import java.io.File;
import java.io.IOException;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;

import com.diffplug.spotless.Formatter;
import com.diffplug.spotless.PaddedCell;

/**
 * Performs formatting of all source files according to configured formatters.
 */
@Mojo(name = "apply", threadSafe = true)
public class SpotlessApplyMojo extends AbstractSpotlessMojo {
	@Parameter(property = "spotless.apply.skip", defaultValue = "false")
	private boolean skip;

	@Override
	protected void process(Iterable files, Formatter formatter) throws MojoExecutionException {
		if (skip) {
			getLog().info("Spotless apply skipped");
			return;
		}

		for (File file : files) {
			try {
				PaddedCell.DirtyState dirtyState = PaddedCell.calculateDirtyState(formatter, file);
				if (!dirtyState.isClean() && !dirtyState.didNotConverge()) {
					dirtyState.writeCanonicalTo(file);
				}
			} catch (IOException e) {
				throw new MojoExecutionException("Unable to format file " + file, e);
			}
		}
	}
}