| /* |
| * 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. |
| */ |
| package org.apache.stanbol.entityhub.model.clerezza.utils; |
| |
| import org.apache.clerezza.commons.rdf.Literal; |
| import org.apache.clerezza.commons.rdf.RDFTerm; |
| import org.apache.clerezza.commons.rdf.IRI; |
| import org.apache.stanbol.entityhub.servicesapi.util.AdaptingIterator.Adapter; |
| |
| /** |
| * Needed because IRIs and Literals use the RDF representation for the |
| * toString Method |
| * |
| * @author Rupert Westenthaler |
| * |
| * @param <T> |
| */ |
| public class Resource2StringAdapter<T extends RDFTerm> implements Adapter<T, String> { |
| |
| @Override |
| public final String adapt(T value, Class<String> type) { |
| if (value == null) { |
| return null; |
| } else if (value instanceof IRI) { |
| return ((IRI) value).getUnicodeString(); |
| } else if (value instanceof Literal) { |
| return ((Literal) value).getLexicalForm(); |
| } else { |
| return value.toString(); |
| } |
| } |
| |
| } |