001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.metamodel.specloader.validator;
021
022import java.util.Collections;
023import java.util.List;
024
025import com.google.common.collect.Lists;
026
027import org.apache.isis.core.metamodel.spec.SpecificationLoaderSpi;
028
029public class MetaModelValidatorComposite extends MetaModelValidatorAbstract {
030
031    private final List<MetaModelValidator> validators = Lists.newArrayList();
032
033    @Override
034    public void validate(final ValidationFailures validationFailures)  {
035        for (final MetaModelValidator validator : validators) {
036            validator.validate(validationFailures);
037        }
038    }
039
040    public MetaModelValidatorComposite add(final MetaModelValidator validator) {
041        validators.add(validator);
042        return this;
043    }
044
045    public List<MetaModelValidator> getValidators() {
046        return Collections.unmodifiableList(validators);
047    }
048
049    @Override
050    public void setSpecificationLoaderSpi(SpecificationLoaderSpi specificationLoader) {
051        super.setSpecificationLoaderSpi(specificationLoader);
052        for (final MetaModelValidator validator : validators) {
053            validator.setSpecificationLoaderSpi(specificationLoader);
054        }
055    }
056
057    public static MetaModelValidatorComposite asComposite(MetaModelValidator baseMetaModelValidator) {
058        final MetaModelValidatorComposite metaModelValidatorComposite = new MetaModelValidatorComposite();
059        metaModelValidatorComposite.add(baseMetaModelValidator);
060        return metaModelValidatorComposite;
061    }
062}