2 * ============LICENSE_START=======================================================
3 * ONAP : ccsdk features
4 * ================================================================================
5 * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.ccsdk.features.sdnr.wt.dataprovider.http.yangschema;
24 import java.io.IOException;
25 import java.text.ParseException;
26 import javax.servlet.ServletException;
27 import javax.servlet.http.HttpServlet;
28 import javax.servlet.http.HttpServletRequest;
29 import javax.servlet.http.HttpServletResponse;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class YangSchemaHttpServlet extends HttpServlet {
37 private static final long serialVersionUID = 1L;
38 private static final Logger LOG = LoggerFactory.getLogger(YangSchemaHttpServlet.class);
39 private static final String CACHEPATH = "cache/";
40 private static final String SCHEMACACHEPATH_PRIMARY = CACHEPATH+"schema/";
42 private final YangFileProvider fileProvider;
44 public YangSchemaHttpServlet() {
45 this.fileProvider = new YangFileProvider(CACHEPATH, SCHEMACACHEPATH_PRIMARY);
49 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
51 GetYangSchemaRequest request = null;
53 request = new GetYangSchemaRequest(req);
54 } catch (Exception e) {
55 LOG.warn("bad request for yang-schema: {}", e);
57 if (request != null) {
59 LOG.debug("request for yang-schema for module {} with version {}", request.getModule(),
60 request.getVersion());
61 if (request.hasVersion()) {
64 has = this.fileProvider.hasFileOrNewerForModule(request.getModule(), request.getVersion());
65 } catch (ParseException e1) {
66 LOG.warn("unable to parse revision: {}", e1);
71 resp.setStatus(HttpServletResponse.SC_OK);
72 resp.setContentType("text/plain");
73 len = this.fileProvider.writeOutput(request.getModule(), request.getVersion(),
74 resp.getOutputStream());
75 resp.setContentLength(len);
77 } catch (ParseException e) {
78 LOG.warn("unable to parse revision: {}", e);
79 } catch (IOException | IllegalStateException e) {
80 LOG.warn("unable to write out module {}@{}: {}", request.getModule(), request.getVersion(), e);
84 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
85 } catch (IOException | IllegalStateException e) {
86 LOG.warn("unable to write out 404 res not found: {}", e);
90 } else if (this.fileProvider.hasFileForModule(request.getModule())) {
93 resp.setStatus(HttpServletResponse.SC_OK);
94 resp.setContentType("text/plain");
95 len = this.fileProvider.writeOutput(request.getModule(), null, resp.getOutputStream());
96 resp.setContentLength(len);
97 } catch (ParseException e) {
98 LOG.warn(e.getMessage());
99 } catch (IOException | IllegalStateException e) {
100 LOG.warn("unable to write out module {}: {}", request.getModule(), e);
105 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
106 } catch (IOException | IllegalStateException e) {
107 LOG.warn("unable to write out 404 res not found: {}", e);
112 resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
113 } catch (IOException | IllegalStateException e) {
114 LOG.warn("unable to write out 400 bad request: {}", e);