code: protected void savePropertiesToFile(File outputFile, Properties properties, String propertiesComment, String success, String failure) throws MojoExecutionException {
  		OutputStream outputStream = null;
  		
  		try {
  			outputFile.getParentFile().mkdirs();
  			outputStream = new FileOutputStream(outputFile);
  			properties.store(outputStream, propertiesComment);
  			
  			if (filterProperties) {
  				getLog().debug("Filtering properties files");
  
  				File tmpDir = new File(outputFile.getParentFile(), "tmp");
  				tmpDir.mkdir();
  				List<Resource> resources = new ArrayList<Resource>();
  				Resource r = new Resource();
  				r.setDirectory(outputFile.getParentFile().getAbsolutePath());
  				r.addInclude("*.properties");
  				r.setFiltering(true);
  				resources.add(r);
  				
  				ArrayList<Object> filters = new ArrayList<Object>();
  				List<String> nonFilteredFileExtensions = new ArrayList<String>();
  				
  				MavenResourcesExecution mre = new MavenResourcesExecution(resources, tmpDir, this.getProject(), this.sourceEncoding, filters, nonFilteredFileExtensions, session);
  				mavenResourcesFiltering.filterResources(mre);
  				
  				FileUtils.copyDirectory(tmpDir, outputFile.getParentFile());
  				FileUtils.deleteDirectory(tmpDir);
  			}
  
  			getLog().info(success + " '" + outputFile + "'");
  		} catch (Exception e) {
  			throw new MojoExecutionException(failure + " '" + outputFile + "'", e);
  		} finally {
  			try {
  				outputStream.close();
  			} catch (Exception e) {
  			}
  		}
  	}
docs: <p>
  This saves a java.util.Properties to a file.<br />
  
  It is possible to add a comment at the beginning of the file.
  </p>
  
  @param outputFile, the File where to output the Properties
  @param properties, the Properties to save
  @param propertiesComment, the comment to add at the beginning of the file
  @param success, the success message
  @param failure, the failure message
  @throws MojoExecutionException