org.swan.plugin.CleanMojo Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.swan.plugin;

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

import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;

/**
 * Goal used to clean generated code
 */
@Mojo(name = "clean", defaultPhase = LifecyclePhase.CLEAN,threadSafe = true)
public class CleanMojo extends AbstractMojo {
    @Parameter(defaultValue = "${project.build.directory}/generated-sources/robot/java", property = "outputDir", required = true)
    private File outputDirectory;

    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        if (outputDirectory.exists()) {
            try {
                Files.walkFileTree(outputDirectory.toPath(), new SimpleFileVisitor() {
                    @Override
                    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                        Files.delete(dir);
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs)
                            throws IOException {
                        Files.delete(file);
                        return FileVisitResult.CONTINUE;
                    }
                });
            } catch (IOException e) {
                getLog().error(e);
            }
        }
    }

}