# Shared.java

    /*
     * Copyright (c) 2014-2015 Paul Merlin.
     *
     * 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.library.conversion.values;

    import org.qi4j.api.type.CollectionType;
    import org.qi4j.api.type.MapType;
    import org.qi4j.api.type.ValueType;
    import org.qi4j.functional.Specification;

    /**
     * Shared.
     */
    final class Shared
    {
        static final Specification<ValueType> STRING_TYPE_SPEC;
        static final Specification<ValueType> STRING_COLLECTION_TYPE_SPEC;
        static final Specification<ValueType> STRING_MAP_TYPE_SPEC;

        static
        {
            // Type Specifications
            STRING_TYPE_SPEC = new Specification<ValueType>()
            {
                @Override
                public boolean satisfiedBy( ValueType valueType )
                {
                    return valueType.mainType().equals( String.class );
                }
            };
            STRING_COLLECTION_TYPE_SPEC = new Specification<ValueType>()
            {
                @Override
                public boolean satisfiedBy( ValueType valueType )
                {
                    return valueType instanceof CollectionType
                           && ( (CollectionType) valueType ).collectedType().mainType().equals( String.class );
                }
            };
            STRING_MAP_TYPE_SPEC = new Specification<ValueType>()
            {
                @Override
                public boolean satisfiedBy( ValueType valueType )
                {
                    return valueType instanceof MapType
                           && ( (MapType) valueType ).keyType().mainType().equals( String.class )
                           && ( (MapType) valueType ).valueType().mainType().equals( String.class );
                }
            };
        }

        private Shared()
        {
        }
    }