| /* |
| * Copyright (c) 2008, Rickard Öberg. All Rights Reserved. |
| * Copyright (c) 2009, Niclas Hedhman. All Rights Reserved. |
| * |
| * 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.qi4j.runtime.composite; |
| |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.qi4j.api.composite.Composite; |
| import org.qi4j.api.composite.CompositeInstance; |
| import org.qi4j.api.constraint.ConstraintViolation; |
| import org.qi4j.api.constraint.ConstraintViolationException; |
| |
| import static org.qi4j.functional.Iterables.iterable; |
| |
| /** |
| * JAVADOC |
| */ |
| public final class ConstraintsInstance |
| { |
| private final List<ValueConstraintsInstance> valueConstraintsInstances; |
| |
| public ConstraintsInstance( List<ValueConstraintsInstance> parameterConstraints ) |
| { |
| valueConstraintsInstances = parameterConstraints; |
| } |
| |
| @SuppressWarnings( "unchecked" ) |
| public void checkValid( Object instance, Method method, Object[] params ) |
| throws ConstraintViolationException |
| { |
| if( valueConstraintsInstances.isEmpty() ) |
| { |
| return; // No constraints to check |
| } |
| |
| // Check constraints |
| List<ConstraintViolation> violations = null; |
| for( int i = 0; i < params.length; i++ ) |
| { |
| Object param = params[ i ]; |
| List<ConstraintViolation> paramViolations = valueConstraintsInstances.get( i ).checkConstraints( param ); |
| if( !paramViolations.isEmpty() ) |
| { |
| if( violations == null ) |
| { |
| violations = new ArrayList<>(); |
| } |
| violations.addAll( paramViolations ); |
| } |
| } |
| |
| // Check if any constraint failed |
| if( violations != null ) |
| { |
| if( instance instanceof Composite ) |
| { |
| throw new ConstraintViolationException( (Composite) instance, method, violations ); |
| } |
| if( instance instanceof CompositeInstance ) |
| { |
| throw new ConstraintViolationException( (Composite) ( (CompositeInstance) instance ).proxy(), method, violations ); |
| } |
| Iterable<? extends Class<?>> types = iterable( instance.getClass() ); |
| throw new ConstraintViolationException( instance.toString(), (Iterable<Class<?>>) types, method, violations ); |
| } |
| } |
| } |