/*
    * Copyright 2009 the original author or authors.
    * 
    * Licensed 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.
   */
  package org.openehealth.ipf.platform.camel.core.model;
  
  import org.apache.camel.Processor;
  import org.apache.camel.model.OutputDefinition;
  import org.apache.camel.spi.Metadata;
  import org.apache.camel.spi.RouteContext;
  import org.openehealth.ipf.platform.camel.core.process.Validation;
  
  import javax.xml.bind.annotation.*;
  
  /**
   * @author Martin Krasser
   */
  @Metadata(label = "ipf,eip,transformation")
  @XmlRootElement(name = "validation")
  @XmlAccessorType(XmlAccessType.FIELD)
  public class ValidationDefinition extends OutputDefinition<ValidationDefinition>{
  
      @XmlTransient
      private final Processor responseGeneratorProcessor;
      @XmlAttribute
      private final String responseGeneratorUri;
  
      public ValidationDefinition() {
          this(null, null);
      }
  
      public ValidationDefinition(String responseGeneratorUri) {
          this(null, responseGeneratorUri);
      }
      
      public ValidationDefinition(Processor responseGeneratorProcessor) {
          this(responseGeneratorProcessor, null);
      }
      
      private ValidationDefinition(Processor responseGeneratorProcessor, String responseGeneratorUri) {
          this.responseGeneratorProcessor = responseGeneratorProcessor;
          this.responseGeneratorUri = responseGeneratorUri;
      }
      
      @Override
      public Processor createProcessor(RouteContext routeContext) throws Exception {
          Validation validation = createValidationProcessor(routeContext);
          validation.setProcessor(createChildProcessor(routeContext, false));
          return validation;
      }
      
      private Validation createValidationProcessor(RouteContext routeContext) throws Exception {
          if (responseGeneratorUri != null) {
              return new Validation(routeContext.resolveEndpoint(responseGeneratorUri).createProducer());
          } else {
              return new Validation(responseGeneratorProcessor);
          }
      }
      
  }