2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
20 package org.openecomp.sdc.be.filters;
22 import java.io.IOException;
23 import javax.servlet.Filter;
24 import javax.servlet.FilterChain;
25 import javax.servlet.FilterConfig;
26 import javax.servlet.ServletException;
27 import javax.servlet.ServletRequest;
28 import javax.servlet.ServletResponse;
29 import javax.servlet.http.HttpServletRequest;
30 import javax.servlet.http.HttpServletResponse;
31 import javax.ws.rs.WebApplicationException;
32 import org.apache.http.HttpStatus;
33 import org.openecomp.sdc.be.components.impl.exceptions.ComponentException;
34 import org.openecomp.sdc.be.servlets.exception.ComponentExceptionMapper;
35 import org.openecomp.sdc.common.api.FilterDecisionEnum;
36 import org.openecomp.sdc.common.util.ThreadLocalsHolder;
37 import org.springframework.beans.factory.annotation.Autowired;
38 import org.springframework.stereotype.Component;
40 @Component("gatewayFilter")
41 public class GatewayFilter implements Filter {
44 private ThreadLocalUtils threadLocalUtils;
46 private ComponentExceptionMapper componentExceptionMapper;
48 public GatewayFilter() {
52 public void init(FilterConfig filterConfig) throws ServletException {
56 public void doFilter(ServletRequest req, ServletResponse res, FilterChain filterChain) throws IOException, ServletException {
57 HttpServletRequest httpRequest = (HttpServletRequest) req;
58 HttpServletResponse httpResponse = (HttpServletResponse) res;
60 ThreadLocalsHolder.setApiType(FilterDecisionEnum.NA);
61 threadLocalUtils.setUserContextFromDB(httpRequest);
62 filterChain.doFilter(httpRequest, res);
63 } catch (ComponentException ce) {
64 componentExceptionMapper.writeToResponse(ce, httpResponse);
65 } catch (WebApplicationException we) {
66 httpResponse.setStatus(we.getResponse().getStatus());
67 setDefaultHttpParams(httpResponse);
68 httpResponse.getWriter().write(we.getMessage());
69 } catch (Exception ex) {
70 httpResponse.setStatus(HttpStatus.SC_INTERNAL_SERVER_ERROR);
71 setDefaultHttpParams(httpResponse);
72 httpResponse.getWriter().write(ex.getMessage());
76 private void setDefaultHttpParams(HttpServletResponse httpResponse) {
77 httpResponse.setContentType("application/json");
78 httpResponse.setCharacterEncoding("UTF-8");
82 public void destroy() {