package org.apache.onami.validation;
   
   /*
    * 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 static com.google.inject.matcher.Matchers.annotatedWith;
  import static com.google.inject.matcher.Matchers.any;
  
  import javax.inject.Singleton;
  import javax.validation.ConstraintValidatorFactory;
  import javax.validation.MessageInterpolator;
  import javax.validation.TraversableResolver;
  import javax.validation.Validator;
  import javax.validation.ValidatorFactory;
  import javax.validation.spi.ConfigurationState;
  import javax.validation.spi.ValidationProvider;
  
  import org.aopalliance.intercept.MethodInterceptor;
  import org.apache.bval.jsr303.ApacheValidationProvider;
  import org.apache.bval.jsr303.DefaultMessageInterpolator;
  import org.apache.bval.jsr303.resolver.DefaultTraversableResolver;
  import org.kohsuke.MetaInfServices;
  
  import com.google.inject.AbstractModule;
  import com.google.inject.Module;
  import com.google.inject.TypeLiteral;
  
  /**
   * The Google-Guice Validation module.
   */
  @MetaInfServices( Module.class )
  public final class ValidationModule
      extends AbstractModule
  {
  
      /**
       * {@inheritDoc}
       */
      @Override
      protected void configure()
      {
          // apache bval bootstrap
          bind( MessageInterpolator.class ).to( DefaultMessageInterpolator.class ).in( Singleton.class );
          bind( TraversableResolver.class ).to( DefaultTraversableResolver.class ).in( Singleton.class );
          bind( ConstraintValidatorFactory.class ).to( GuiceAwareConstraintValidatorFactory.class );
          bind( new TypeLiteral<ValidationProvider<?>>(){} ).to( ApacheValidationProvider.class ).in( Singleton.class );
          bind( ConfigurationState.class ).toProvider( ConfigurationStateProvider.class ).in( Singleton.class );
          bind( ValidatorFactory.class ).toProvider( ValidatorFactoryProvider.class ).in( Singleton.class );
          bind( Validator.class ).toProvider( ValidatorProvider.class );
  
          // AOP stuff
          MethodInterceptor validateMethodInterceptor = new ValidateMethodInterceptor();
          requestInjection( validateMethodInterceptor );
          bindInterceptor( any(), annotatedWith( Validate.class ), validateMethodInterceptor );
      }
  
  }