| /* |
| * 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; |
| |
| import org.apache.clerezza.commons.rdf.IRI; |
| import org.apache.stanbol.entityhub.servicesapi.model.Reference; |
| |
| public class RdfReference implements Reference,Cloneable { |
| private final IRI uri; |
| protected RdfReference(String reference){ |
| if(reference == null){ |
| throw new IllegalArgumentException("The parsed Reference MUST NOT be NULL!"); |
| } else if(reference.isEmpty()){ |
| throw new IllegalArgumentException("The parsed Reference MUST NOT be Empty!"); |
| } else { |
| this.uri = new IRI(reference); |
| } |
| } |
| protected RdfReference(IRI uri){ |
| if(uri == null){ |
| throw new IllegalArgumentException("The parsed Reference MUST NOT be NULL!"); |
| } else if(uri.getUnicodeString().isEmpty()){ |
| throw new IllegalArgumentException("The parsed Reference MUST NOT be represent an empty string!"); |
| } else { |
| this.uri = uri; |
| } |
| } |
| @Override |
| public String getReference() { |
| return uri.getUnicodeString(); |
| } |
| public IRI getIRI(){ |
| return uri; |
| } |
| @Override |
| protected Object clone() throws CloneNotSupportedException { |
| return new RdfReference(new IRI(uri.getUnicodeString())); |
| } |
| @Override |
| public int hashCode() { |
| return uri.getUnicodeString().hashCode(); |
| } |
| @Override |
| public boolean equals(Object obj) { |
| return obj instanceof Reference && uri.getUnicodeString().equals(((Reference)obj).getReference()); |
| } |
| @Override |
| public String toString() { |
| return uri.getUnicodeString(); |
| } |
| |
| } |