package org.apache.maven.plugin.coreit;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache 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.apache.org/licenses/LICENSE-2.0
   *
   * 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.
   */
  
  import org.apache.maven.model.Model;
  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 java.util.Enumeration;
  import java.util.Properties;
  
  /**
   * @goal verify-property
   * @phase validate
   */
  public class PropertyInterpolationVerifierMojo
      extends AbstractMojo
  {
  
      /**
       * @parameter default-value="${project}"
       */
      private MavenProject project;
  
      /**
       * @parameter property="properties"
       */
      private Properties properties;
  
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
          Model model = project.getModel();
          if ( properties == null )
          {
              return;
          }
  
          Enumeration e = properties.propertyNames();
          while ( e.hasMoreElements() )
          {
              String name = (String) e.nextElement();
              String value = properties.getProperty( name );
              if ( !value.equals( model.getProperties().getProperty( name ) ) )
              {
                  throw new MojoExecutionException( "Properties do not match: Name = " + name + ", Value = " + value );
              }
  
              if ( value.contains( "${" ) )
              {
                  throw new MojoExecutionException( "Unresolved value: Name = " + name + ", Value = " + value );
              }
  
              getLog().info( "Property match: Name = " + name + ", Value = " + value );
          }
      }
  }