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=========================================================
21 package org.onap.policy.rest;
23 import java.io.IOException;
25 import java.util.Map.Entry;
27 import org.apache.http.HttpResponse;
28 import org.apache.http.auth.AuthScope;
29 import org.apache.http.auth.UsernamePasswordCredentials;
30 import org.apache.http.client.CredentialsProvider;
31 import org.apache.http.client.methods.HttpGet;
32 import org.apache.http.client.methods.HttpPost;
33 import org.apache.http.entity.StringEntity;
34 import org.apache.http.impl.client.BasicCredentialsProvider;
35 import org.apache.http.impl.client.CloseableHttpClient;
36 import org.apache.http.impl.client.HttpClientBuilder;
37 import org.apache.http.util.EntityUtils;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
41 public class RESTManager {
43 private static final Logger logger = LoggerFactory.getLogger(RESTManager.class);
45 public class Pair<A, B> {
49 public Pair(A a, B b) {
55 public Pair<Integer, String> post(String url, String username, String password,
56 Map<String, String> headers, String contentType, String body) {
57 CredentialsProvider credentials = new BasicCredentialsProvider();
58 credentials.setCredentials(AuthScope.ANY,
59 new UsernamePasswordCredentials(username, password));
61 logger.debug("HTTP REQUEST: {} -> {} {} -> {}", url, username,
62 ((password != null) ? password.length() : "-"), contentType);
63 if (headers != null) {
64 logger.debug("Headers: ");
65 headers.forEach((name, value) -> logger.debug("{} -> {}", name, value));
69 try (CloseableHttpClient client =
70 HttpClientBuilder.create().setDefaultCredentialsProvider(credentials).build()) {
72 HttpPost post = new HttpPost(url);
73 if (headers != null) {
74 for (Entry<String, String> entry : headers.entrySet()) {
75 post.addHeader(entry.getKey(), headers.get(entry.getKey()));
78 post.addHeader("Content-Type", contentType);
80 StringEntity input = new StringEntity(body);
81 input.setContentType(contentType);
82 post.setEntity(input);
84 HttpResponse response = client.execute(post);
85 if (response != null) {
86 String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8");
87 logger.debug("HTTP POST Response Status Code: {}",
88 response.getStatusLine().getStatusCode());
89 logger.debug("HTTP POST Response Body:");
90 logger.debug(returnBody);
92 return new Pair<>(response.getStatusLine().getStatusCode(),
96 logger.error("Response from {} is null", url);
100 catch (Exception e) {
101 logger.error("Failed to POST to {}", url, e);
106 public Pair<Integer, String> get(String url, String username, String password,
107 Map<String, String> headers) {
109 CredentialsProvider credentials = new BasicCredentialsProvider();
110 credentials.setCredentials(AuthScope.ANY,
111 new UsernamePasswordCredentials(username, password));
113 try (CloseableHttpClient client =
114 HttpClientBuilder.create().setDefaultCredentialsProvider(credentials).build()) {
116 HttpGet get = new HttpGet(url);
117 if (headers != null) {
118 for (Entry<String, String> entry : headers.entrySet()) {
119 get.addHeader(entry.getKey(), headers.get(entry.getKey()));
123 HttpResponse response = client.execute(get);
125 String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8");
127 logger.debug("HTTP GET Response Status Code: {}",
128 response.getStatusLine().getStatusCode());
129 logger.debug("HTTP GET Response Body:");
130 logger.debug(returnBody);
132 return new Pair<>(response.getStatusLine().getStatusCode(), returnBody);
134 catch (IOException e) {
135 logger.error("Failed to GET to {}", url, e);