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;
24 import java.io.IOException;
25 import java.text.ParseException;
27 import javax.servlet.ServletException;
28 import javax.servlet.http.HttpServlet;
29 import javax.servlet.http.HttpServletRequest;
30 import javax.servlet.http.HttpServletResponse;
31 import org.onap.ccsdk.features.sdnr.wt.dataprovider.data.YangFileProvider;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
35 public class YangSchemaHttpServlet extends HttpServlet {
39 private static final long serialVersionUID = 1L;
40 private static final Logger LOG = LoggerFactory.getLogger(YangSchemaHttpServlet.class);
42 private static final String schemaCachePath = "cache/schema/";
44 private final YangFileProvider fileProvider;
46 public YangSchemaHttpServlet() {
47 this.fileProvider = new YangFileProvider(schemaCachePath);
51 protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
53 GetYangSchemaRequest request = null;
55 request = new GetYangSchemaRequest(req);
56 } catch (Exception e) {
57 LOG.warn("bad request for yang-schema: {}", e);
59 if (request != null) {
61 LOG.debug("request for yang-schema for module {} with version {}", request.getModule(),
62 request.getVersion());
63 if (request.hasVersion()) {
66 has = this.fileProvider.hasFileOrNewerForModule(request.getModule(), request.getVersion());
67 } catch (ParseException e1) {
68 LOG.warn("unable to parse revision: {}", e1);
73 resp.setStatus(HttpServletResponse.SC_OK);
74 resp.setContentType("text/plain");
75 len = this.fileProvider.writeOutput(request.getModule(), request.getVersion(),
76 resp.getOutputStream());
77 resp.setContentLength(len);
79 } catch (ParseException e) {
80 LOG.warn("unable to parse revision: {}", e);
81 } catch (IOException | IllegalStateException e) {
82 LOG.warn("unable to write out module {}@{}: {}", request.getModule(), request.getVersion(), e);
86 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
87 } catch (IOException | IllegalStateException e) {
88 LOG.warn("unable to write out 404 res not found: {}", e);
92 } else if (this.fileProvider.hasFileForModule(request.getModule())) {
95 resp.setStatus(HttpServletResponse.SC_OK);
96 resp.setContentType("text/plain");
97 len = this.fileProvider.writeOutput(request.getModule(), null, resp.getOutputStream());
98 resp.setContentLength(len);
99 } catch (ParseException e) {
100 LOG.warn(e.getMessage());
101 } catch (IOException | IllegalStateException e) {
102 LOG.warn("unable to write out module {}: {}", request.getModule(), e);
107 resp.sendError(HttpServletResponse.SC_NOT_FOUND);
108 } catch (IOException | IllegalStateException e) {
109 LOG.warn("unable to write out 404 res not found: {}", e);
114 resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
115 } catch (IOException | IllegalStateException e) {
116 LOG.warn("unable to write out 400 bad request: {}", e);