/**
    * Copyright 2009-2013 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.codehaus.mojo.properties;
  
  import java.util.Arrays;
  import java.util.List;
  import java.util.Properties;
  
  import org.apache.maven.plugin.AbstractMojo;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.project.MavenProject;
  import org.jasypt.util.text.BasicTextEncryptor;
  import org.kuali.common.util.PropertyUtils;
  
  /**
   * Generate encrypted values for the specified system or project properties.
   * 
   * @goal encrypt
   */
  public class EncryptPropertiesMojo extends AbstractMojo {
  
  	/**
  	 * @parameter default-value="${project}"
  	 * @required
  	 * @readonly
  	 */
  	private MavenProject project;
  
  	/**
  	 * The list of properties containing values to encrypt
  	 * 
  	 * @parameter
  	 * @required
  	 */
  	private String[] properties;
  
  	/**
  	 * 
  	 * The password for encrypting property values. This same password can be used to to decrypt the encrypted values.
  	 * 
  	 * @parameter expression="${properties.password}"
  	 * @required
  	 */
  	private String password;
  
  	@Override
  	public void execute() throws MojoExecutionException {
  
  		// Setup the encryptor
  		BasicTextEncryptor encryptor = new BasicTextEncryptor();
  		encryptor.setPassword(password);
  
  		// Get project properties overridden by system/env properties
  		Properties p = PropertyUtils.getGlobalProperties(project.getProperties());
  
  		// Set up the includes list
  		List<String> includes = PropertyUtils.getSortedKeys(project.getProperties());
  		if (properties != null) {
  			includes = Arrays.asList(properties);
  		}
  
  		// Trim things down to just the properties we want
  		PropertyUtils.trim(p, includes, null);
  
  		// Encrypt the property values
  		PropertyUtils.encrypt(p, encryptor);
  
  		// Update Maven with the encrypted values
  		project.getProperties().putAll(p);
  	}
  
  	public String[] getProperties() {
  		return properties;
  	}
  
  	public void setProperties(String[] properties) {
  		this.properties = properties;
  	}
  
  	public String getPassword() {
  		return password;
  	}
  
  	public void setPassword(String password) {
  		this.password = password;
  	}
 
 	public MavenProject getProject() {
 		return project;
 	}
 }