2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
20 package org.onap.so.aaisimulator.utils;
22 import static org.onap.so.aaisimulator.utils.Constants.BI_DIRECTIONAL_RELATIONSHIP_LIST_URL;
23 import static org.onap.so.aaisimulator.utils.Constants.RELATIONSHIP_LIST_RELATIONSHIP_URL;
24 import static org.springframework.http.MediaType.APPLICATION_XML;
26 import java.util.Arrays;
27 import java.util.Enumeration;
28 import java.util.regex.Matcher;
29 import java.util.regex.Pattern;
30 import javax.servlet.http.HttpServletRequest;
31 import org.springframework.http.HttpHeaders;
32 import org.springframework.http.MediaType;
33 import org.springframework.web.util.UriComponentsBuilder;
36 * @author Waqas Ikram (waqas.ikram@est.tech)
39 public class HttpServiceUtils {
41 private static final String START_WITH_FORWARD_SLASH = "(^/.*?)";
42 private static final String ALPHANUMERIC = "((?:v+[a-z0-9]*)/)";
43 private static final String REGEX = START_WITH_FORWARD_SLASH + ALPHANUMERIC;
44 private static final Pattern PATTERN = Pattern.compile(REGEX, Pattern.CASE_INSENSITIVE | Pattern.DOTALL);
46 private HttpServiceUtils() {}
48 public static URI getBaseUrl(final HttpServletRequest request) {
49 final StringBuffer url = request.getRequestURL();
50 final String uri = request.getRequestURI();
51 return UriComponentsBuilder.fromHttpUrl(url.substring(0, url.indexOf(uri))).path(getBaseUrl(uri)).build()
55 private static String getBaseUrl(final String uri) {
56 final Matcher matcher = PATTERN.matcher(uri);
58 final StringBuilder builder = new StringBuilder();
59 for (int index = 0; index < matcher.groupCount() - 1; index++) {
60 builder.append(matcher.group(index));
62 return builder.toString();
67 public static URI getBaseUrl(final StringBuffer requestUrl, final String requestUri) {
68 return UriComponentsBuilder.fromHttpUrl(requestUrl.substring(0, requestUrl.indexOf(requestUri))).build()
72 public static String getBaseServiceInstanceUrl(final HttpServletRequest request, final String relatedLink) {
73 return UriComponentsBuilder.fromUri(getBaseUrl(request)).path(relatedLink).toUriString();
76 public static HttpHeaders getHeaders(final HttpServletRequest request) {
77 return getHeaders(request, APPLICATION_XML);
80 public static HttpHeaders getHeaders(final HttpServletRequest request, final MediaType mediaType) {
81 final HttpHeaders headers = new HttpHeaders();
82 for (final Enumeration<String> enumeration = request.getHeaderNames(); enumeration.hasMoreElements();) {
83 final String headerName = enumeration.nextElement();
84 headers.add(headerName, request.getHeader(headerName));
86 headers.setContentType(mediaType);
87 headers.setAccept(Arrays.asList(MediaType.APPLICATION_XML));
91 public static String getTargetUrl(final String targetBaseUrl, final String relatedLink) {
92 return UriComponentsBuilder.fromUriString(targetBaseUrl).path(relatedLink)
93 .path(BI_DIRECTIONAL_RELATIONSHIP_LIST_URL).toUriString();
96 public static String getRelationShipListRelatedLink(final String requestUriString) {
97 return requestUriString != null ? requestUriString.replaceFirst(RELATIONSHIP_LIST_RELATIONSHIP_URL, "")
101 public static String getBiDirectionalRelationShipListRelatedLink(final String requestUriString) {
102 return requestUriString != null ? requestUriString.replaceFirst(BI_DIRECTIONAL_RELATIONSHIP_LIST_URL, "")