2 * Copyright 2016 ZTE Corporation.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.openo.commontosca.catalog.model.externalservice.container;
18 import org.openo.commontosca.catalog.model.externalservice.entity.container.ContainerServiceNodeTemplateList;
19 import org.xml.sax.InputSource;
20 import org.xml.sax.XMLReader;
21 import org.xml.sax.helpers.XMLReaderFactory;
23 import java.io.IOException;
24 import java.io.InputStream;
25 import java.lang.annotation.Annotation;
26 import java.lang.reflect.Type;
28 import javax.ws.rs.WebApplicationException;
29 import javax.ws.rs.core.MediaType;
30 import javax.ws.rs.core.MultivaluedMap;
31 import javax.ws.rs.ext.MessageBodyReader;
32 import javax.xml.bind.JAXBContext;
33 import javax.xml.bind.Unmarshaller;
34 import javax.xml.transform.Source;
35 import javax.xml.transform.sax.SAXSource;
38 * The opentosca container service returns data to the node template entity.
43 public class ContainerServiceNodeTemplateProvider implements
44 MessageBodyReader<ContainerServiceNodeTemplateList> {
47 public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations,
48 MediaType mediaType) {
49 return ContainerServiceNodeTemplateList.class.isAssignableFrom(type);
53 public ContainerServiceNodeTemplateList readFrom(Class<ContainerServiceNodeTemplateList> type,
54 Type genericType, Annotation[] annotations, MediaType mediaType,
55 MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException,
56 WebApplicationException {
57 ContainerServiceNodeTemplateList nodetemplatelist = null;
60 JAXBContext jaxbContext = JAXBContext.newInstance(ContainerServiceNodeTemplateList.class);
61 Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
63 NamespaceFilter inFilter = new NamespaceFilter(null, false);
64 XMLReader reader = XMLReaderFactory.createXMLReader();
65 inFilter.setParent(reader);
66 Source source = new SAXSource(inFilter, new InputSource(entityStream));
68 nodetemplatelist = (ContainerServiceNodeTemplateList) unmarshaller.unmarshal(source);
69 } catch (Exception e1) {
73 return nodetemplatelist;