LauncherMojo.java

package com.fizzed.stork.maven;

import com.fizzed.stork.core.ArgumentException;
import com.fizzed.stork.launcher.Configuration;
import com.fizzed.stork.launcher.ConfigurationFactory;
import com.fizzed.stork.launcher.FileUtil;
import com.fizzed.stork.launcher.Generator;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
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 org.apache.maven.project.MavenProject;

/**
 * Maven plugin akin to the "stork-launcher" command-line app but
 * directly accesses Java library (negating local install requirements).
 * 
 * @author joelauer
 */
@Mojo(name = "launcher",
      defaultPhase = LifecyclePhase.PACKAGE,
      threadSafe = true
    )
public class LauncherMojo extends AbstractMojo {
    
    /**
     * Directory to output generated launchers.
     *
     * @since 1.2.0
     */
    @Parameter(property = "outputDirectory", defaultValue = "${project.build.directory}/stork", required = true)
    protected File outputDirectory;
    
    /**
     * One or more input directories/files to generate.
     * 
     * @since 1.2.0
     */
    @Parameter(property = "inputFiles", defaultValue = "${basedir}/src/main/launchers")
    protected String[] inputFiles;
    
    @Parameter( defaultValue = "${project}", readonly = true )
    protected MavenProject project;
    
    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        if (this.outputDirectory == null || this.outputDirectory.equals("")) {
            getLog().info("Skipping (outputDirectory is empty)");
            return;
        }
    
        try {
            List<File> configFiles = FileUtil.findAllFiles(Arrays.asList(inputFiles), true);
            List<Configuration> configs = new ConfigurationFactory().read(configFiles);
            int generated = new Generator().generate(configs, outputDirectory);
            getLog().info("Created " + generated + " launchers");
        } catch (ArgumentException | IOException e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }
    }
    
}