package org.apache.torque.mojo;
   
   import org.apache.maven.plugin.MojoExecutionException;
   import org.apache.tools.ant.Project;
   import org.apache.tools.ant.Task;
   import org.apache.torque.util.MojoAntBuildListener;
   import org.kuali.core.db.torque.FilteredPropertyCopier;
   
   /**
   * A base class for mojos that wrap an Ant Task
   */
  public class AntTaskMojo extends BaseMojo {
  
  	/**
  	 * The ant task to be executed by this mojo.
  	 */
  	private Task antTask;
  
  	/**
  	 * The ant project for the ant task.
  	 */
  	private Project antProject;
  
  	/**
  	 * Configures the Ant task which is wrapped by this mojo.
  	 */
  	protected void configureTask() throws MojoExecutionException {
  		if (getAntTask() == null) {
  			throw new IllegalArgumentException("Ant task is null");
  		}
  
  		// Attach our task to a project
  		setAntProject(getIniatializedAntProject());
  		getAntTask().setProject(getAntProject());
  		try {
  			// Copy configuration from the mojo to the task
  			FilteredPropertyCopier copier = new FilteredPropertyCopier();
  			// There is a setProject() method on an Ant Task that expects an Ant Project. This conflicts with
  			// getProject() from the mojo which returns a Maven Project
              copier.addExclude("project");
              copier.addExclude("driverProperties");
  			copier.copyProperties(getAntTask(), this);
  		} catch (Exception e) {
  			throw new MojoExecutionException("Error copying properties", e);
  		}
  	}
  
  	/**
  	 * Configure the Ant task and then execute it
  	 */
  	@Override
      public void executeMojo() throws MojoExecutionException {
  		configureTask();
  		getAntTask().execute();
  	}
  
  	/**
  	 * Return an Ant project that informs Maven about logging events
  	 */
  	protected Project getIniatializedAntProject() {
  		getLog().info("Initializing the Ant Project");
  		// Create a new Ant Project
  		Project antProject = new Project();
  		// initialize it
  		antProject.init();
  		// Add a listener that gets notified about log messages
  		antProject.addBuildListener(new MojoAntBuildListener(getLog()));
  		// Return the initialized ant project
  		return antProject;
  	}
  
  	public Project getAntProject() {
  		return antProject;
  	}
  
  	public void setAntProject(Project antProject) {
  		this.antProject = antProject;
  	}
  
  	public Task getAntTask() {
  		return antTask;
  	}
  
  	public void setAntTask(Task antTask) {
  		this.antTask = antTask;
  	}
  }