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    
020    package org.apache.isis.core.progmodel.facets.object.value;
021    
022    import org.apache.isis.applib.adapters.Parser;
023    import org.apache.isis.core.metamodel.facetapi.FacetAbstract;
024    import org.apache.isis.core.metamodel.facetapi.FacetHolder;
025    import org.apache.isis.core.metamodel.facets.typicallen.TypicalLengthFacet;
026    import org.apache.isis.core.metamodel.runtimecontext.DependencyInjector;
027    
028    public class TypicalLengthFacetUsingParser extends FacetAbstract implements TypicalLengthFacet {
029    
030        private final Parser<?> parser;
031        private final DependencyInjector dependencyInjector;
032    
033        public TypicalLengthFacetUsingParser(final Parser<?> parser, final FacetHolder holder,
034            final DependencyInjector dependencyInjector) {
035            super(TypicalLengthFacet.class, holder, false);
036            this.parser = parser;
037            this.dependencyInjector = dependencyInjector;
038        }
039    
040        @Override
041        protected String toStringValues() {
042            getDependencyInjector().injectDependenciesInto(parser);
043            return parser.toString();
044        }
045    
046        @Override
047        public int value() {
048            getDependencyInjector().injectDependenciesInto(parser);
049            return parser.typicalLength();
050        }
051    
052        @Override
053        public String toString() {
054            return "typicalLength=" + value();
055        }
056    
057        // //////////////////////////////////////////////////////
058        // Dependencies (from constructor)
059        // //////////////////////////////////////////////////////
060    
061        /**
062         * @return the dependencyInjector
063         */
064        public DependencyInjector getDependencyInjector() {
065            return dependencyInjector;
066        }
067    
068    }