| /* |
| * 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.nifi.registry.link; |
| |
| import javax.ws.rs.core.Link; |
| import javax.xml.bind.annotation.adapters.XmlAdapter; |
| import javax.xml.namespace.QName; |
| import java.util.Map; |
| |
| /** |
| * This class is a modified version of Jersey's Link.JaxbAdapter that adds protection against nulls. |
| */ |
| public class LinkAdapter extends XmlAdapter<Link.JaxbLink, Link> { |
| |
| /** |
| * Convert a {@link Link.JaxbLink} into a {@link Link}. |
| * |
| * @param v instance of type {@link Link.JaxbLink}. |
| * @return mapped instance of type {@link Link.JaxbLink} |
| */ |
| @Override |
| public Link unmarshal(Link.JaxbLink v) { |
| if (v == null) { |
| return null; |
| } |
| |
| Link.Builder lb = Link.fromUri(v.getUri()); |
| for (Map.Entry<QName, Object> e : v.getParams().entrySet()) { |
| lb.param(e.getKey().getLocalPart(), e.getValue().toString()); |
| } |
| return lb.build(); |
| } |
| |
| /** |
| * Convert a {@link Link} into a {@link Link.JaxbLink}. |
| * |
| * @param v instance of type {@link Link}. |
| * @return mapped instance of type {@link Link.JaxbLink}. |
| */ |
| @Override |
| public Link.JaxbLink marshal(Link v) { |
| if (v == null) { |
| return null; |
| } |
| |
| Link.JaxbLink jl = new Link.JaxbLink(v.getUri()); |
| for (Map.Entry<String, String> e : v.getParams().entrySet()) { |
| final String name = e.getKey(); |
| jl.getParams().put(new QName("", name), e.getValue()); |
| } |
| return jl; |
| } |
| } |