org.apache.torque.mojo.BaseMojo Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of maven-impex-plugin Show documentation
Maven plugin for converting database agnostic XML files into platform specific SQL files and for examining proprietary databases via JDBC to generate database agnostic XML files
The newest version!
package org.apache.torque.mojo;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
import org.apache.maven.settings.Settings;
import org.kuali.maven.mojo.MavenLogger;

/**
 * Mojo essentials. Contains the "skip" logic that is the de facto standard for
 * maven plugins. Contains a number of maven related properties that are common
 * to most mojos. Also sets up logging so that if libraries called by a mojo
 * issue log statements to Jakarta Commons Logging or Log4j, those log messages
 * are shown in maven's output
 */
public abstract class BaseMojo extends AbstractMojo {
	public static final String FS = System.getProperty("file.separator");
	public static final String SKIP_PACKAGING_TYPE = "pom";

	/**
	 * When true, redirect logging from Log4j and Jakarta Commons Logging to the
	 * Maven logging system
	 * 
	 * @parameter expression="${startMavenLogger}" default-value="true"
	 */
	private boolean startMavenLogger;

	/**
	 * When true, skip the execution of this mojo
	 * 
	 * @parameter default-value="false"
	 */
	private boolean skip;

	/**
	 * Setting this parameter to true will force the execution of
	 * this mojo, even if it would get skipped usually.
	 * 
	 * @parameter expression="${forceMojoExecution}" default-value="false"
	 * @required
	 */
	private boolean forceMojoExecution;

	/**
	 * The encoding to use when reading/writing files. If not specified this
	 * defaults to the platform specific encoding of whatever machine the build
	 * is running on.
	 * 
	 * @parameter expression="${encoding}"
	 *            default-value="${project.build.sourceEncoding}"
	 */
	private String encoding;

	/**
	 * The Maven project this plugin runs in.
	 * 
	 * @parameter expression="${project}"
	 * @required
	 * @readonly
	 */
	private MavenProject project;

	/**
	 * @parameter expression="${settings}"
	 * @required
	 * @since 1.0
	 * @readonly
	 */
	private Settings settings;

	/**
	 * @parameter default-value="${session}"
	 * @required
	 * @readonly
	 */
	private MavenSession mavenSession;

	protected void beforeExecution() throws MojoExecutionException, MojoFailureException {
	}

	protected void afterExecution() throws MojoExecutionException, MojoFailureException {
	}

	@Override
	public void execute() throws MojoExecutionException, MojoFailureException {
		beforeExecution();
		if (isStartMavenLogger()) {
			MavenLogger.startPluginLog(this);
		}
		if (skipMojo()) {
			return;
		}
		executeMojo();
		if (isStartMavenLogger()) {
			MavenLogger.endPluginLog(this);
		}
		afterExecution();
	}

	protected abstract void executeMojo() throws MojoExecutionException, MojoFailureException;

	/**
	 * 
	 * Determine if the mojo execution should get skipped.
	 * 
	 * This is the case if:
	 * 
	 * {@link #skip} is true
	 * if the mojo gets executed on a project with packaging type 'pom' and
	 * {@link #forceMojoExecution} is false
	 * 
	 * 
	 * @return true if the mojo execution should be skipped.
	 */
	protected boolean skipMojo() {
		if (skip) {
			getLog().info("Skipping execution");
			return true;
		}

		if (!forceMojoExecution && project != null && SKIP_PACKAGING_TYPE.equals(project.getPackaging())) {
			getLog().info("Skipping execution for project with packaging type '" + SKIP_PACKAGING_TYPE + "'");
			return true;
		}

		return false;
	}

	/**
	 * Returns the maven project.
	 * 
	 * @return The maven project where this plugin runs in.
	 */
	public MavenProject getProject() {
		return project;
	}

	public String getEncoding() {
		return encoding;
	}

	public void setEncoding(String encoding) {
		this.encoding = encoding;
	}

	public boolean isSkip() {
		return skip;
	}

	public void setSkip(boolean skip) {
		this.skip = skip;
	}

	public boolean isForceMojoExecution() {
		return forceMojoExecution;
	}

	public void setForceMojoExecution(boolean forceMojoExecution) {
		this.forceMojoExecution = forceMojoExecution;
	}

	public Settings getSettings() {
		return settings;
	}

	public void setSettings(Settings settings) {
		this.settings = settings;
	}

	public MavenSession getMavenSession() {
		return mavenSession;
	}

	public void setMavenSession(MavenSession mavenSession) {
		this.mavenSession = mavenSession;
	}

	public void setProject(MavenProject project) {
		this.project = project;
	}

	public boolean isStartMavenLogger() {
		return startMavenLogger;
	}

	public void setStartMavenLogger(boolean startMavenLogger) {
		this.startMavenLogger = startMavenLogger;
	}
}