core-integration-testing/core-integration-testing-plugins/maven-it-plugin-uses-properties/src/main/java/org/apache/maven/plugin/coreit/UsesPropertiesMojo.java

package org.apache.maven.plugin.coreit;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;

import java.util.Properties;
import java.io.FileOutputStream;
import java.io.File;

/**
 * @goal generate-properties
 * @phase validate
 */
public class UsesPropertiesMojo
    extends AbstractMojo
{
    /**
     * @parameter expression=${basedir}"
     */
    private File basedir;
    
    /**
     * @parameter expression="${project.properties}"
     */
    private Properties properties;

    public void execute()
        throws MojoExecutionException
    {
        try
        {
            FileOutputStream fos = new FileOutputStream( new File( basedir, "target/project.properties" ) );

            properties.store( fos, "# Properties generated by the execution of a mojo that uses interpolated POM values for configuration." );
        }
        catch( Exception e )
        {
            getLog().error( "Error creating mojo generated properties.", e );
        }
    }
}