package org.apache.maven.continuum.web.validator;
   
   /*
    * 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 com.opensymphony.xwork2.validator.ValidationException;
  import com.opensymphony.xwork2.validator.validators.ValidatorSupport;
  
  import org.apache.maven.continuum.execution.ExecutorConfigurator;
  import org.apache.maven.continuum.installation.InstallationException;
  import org.apache.maven.continuum.installation.InstallationService;
  import org.codehaus.plexus.util.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * @author <a href="mailto:olamy@codehaus.org">olamy</a>
   * @version $Id: InstallationValidator.java 765340 2009-04-15 20:22:00Z evenisse $
   * @plexus.component role="com.opensymphony.xwork2.validator.Validator" role-hint="org.apache.maven.continuum.web.validator.InstallationValidator"
   * @since 19 juin 07
   */
  public class InstallationValidator
      extends ValidatorSupport
  {
      private String fieldName;
  
      private static final Logger logger = LoggerFactory.getLogger( InstallationValidator.class );
  
      /**
       * @plexus.requirement role-hint="default"
       */
      private InstallationService installationService;
  
      /**
       * @see com.opensymphony.xwork2.validator.Validator#validate(java.lang.Object)
       */
      public void validate( Object object )
          throws ValidationException
      {
          String name = (String) this.getFieldValue( "installation.name", object );
          if ( StringUtils.isEmpty( name ) )
          {
              return;
          }
  
          String varValue = (String) this.getFieldValue( "installation.varValue", object );
          if ( StringUtils.isEmpty( varValue ) )
          {
              return;
          }
          // TODO validating varValue != null depending on type (not null for envVar)
  
          String type = (String) this.getFieldValue( "installation.type", object );
  
          ExecutorConfigurator executorConfigurator = installationService.getExecutorConfigurator( type );
          try
          {
              if ( executorConfigurator != null )
              {
                  if ( executorConfigurator.getVersionArgument() != null )
                  {
                      // just try to get version infos to validate path is valid
                      installationService.getExecutorConfiguratorVersion( varValue, executorConfigurator, null );
                  }
              }
          }
          catch ( InstallationException e )
          {
              String message = getMessage( getMessageKey() ) + e.getMessage();
              logger.error( message );
              addFieldError( "installation.varValue", message );
          }
      }
  
      public String getFieldName()
      {
          return fieldName;
      }
  
      public void setFieldName( String fieldName )
      {
          this.fieldName = fieldName;
     }
 }