--- /dev/null
+/*
+ * ============LICENSE_START=======================================================
+ * rest
+ * ================================================================================
+ * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.rest;
+
+import java.nio.charset.Charset;
+import java.util.Map;
+import java.util.Map.Entry;
+import javax.xml.bind.DatatypeConverter;
+
+import org.apache.http.HttpHeaders;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpRequestBase;
+import org.apache.http.conn.ssl.NoopHostnameVerifier;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.util.EntityUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RestManager {
+
+ private static final Logger logger = LoggerFactory.getLogger(RestManager.class);
+
+ public class Pair<A, B> {
+ public final A first;
+ public final B second;
+
+ public Pair(A first, B second) {
+ this.first = first;
+ this.second = second;
+ }
+ }
+
+ /**
+ * Perform REST Post.
+ *
+ * @param url the url
+ * @param username the user name
+ * @param password the password
+ * @param headers any headers
+ * @param contentType what the content type is
+ * @param body body to send
+ * @return the response status code and the body
+ */
+ public Pair<Integer, String> post(String url, String username, String password,
+ Map<String, String> headers, String contentType, String body) {
+ HttpPost post = new HttpPost(url);
+ addHeaders(post, username, password, headers);
+ post.addHeader("Content-Type", contentType);
+ try {
+ StringEntity input = new StringEntity(body);
+ input.setContentType(contentType);
+ post.setEntity(input);
+ } catch (Exception e) {
+ logger.error("post threw: ", e);
+ return null;
+ }
+ return sendRequest(post);
+ }
+
+ /**
+ * Do a REST get.
+ *
+ * @param url URL
+ * @param username user name
+ * @param password password
+ * @param headers any headers to add
+ * @return a Pair for the response status and the body
+ */
+ public Pair<Integer, String> get(String url, String username, String password,
+ Map<String, String> headers) {
+ HttpGet get = new HttpGet(url);
+ addHeaders(get, username, password, headers);
+ return sendRequest(get);
+ }
+
+ /**
+ * Perform REST Delete.
+ *
+ * @param url the url
+ * @param username the user name
+ * @param password the password
+ * @param headers any headers
+ * @param contentType what the content type is
+ * @param body body (optional) to send
+ * @return the response status code and the body
+ */
+ public Pair<Integer, String> delete(String url, String username, String password, Map<String, String> headers,
+ String contentType, String body) {
+ HttpDeleteWithBody delete = new HttpDeleteWithBody(url);
+ addHeaders(delete, username, password, headers);
+ delete.addHeader("Content-Type", contentType);
+ if (body != null && !body.isEmpty()) {
+ try {
+ StringEntity input = new StringEntity(body);
+ input.setContentType(contentType);
+ delete.setEntity(input);
+ } catch (Exception e) {
+ logger.error("delete threw: ", e);
+ return null;
+ }
+ }
+ return sendRequest(delete);
+ }
+
+ /**
+ * Send REST request.
+ *
+ * @param request http request to send
+ * @return the response status code and the body
+ */
+ private Pair<Integer, String> sendRequest(HttpRequestBase request) {
+ if (logger.isDebugEnabled()) {
+ logger.debug("***** sendRequest to url {}:", request.getURI());
+ }
+
+ try (CloseableHttpClient client =
+ HttpClientBuilder
+ .create()
+ .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
+ .build()) {
+ HttpResponse response = client.execute(request);
+ if (response != null) {
+ String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8");
+ logger.debug("HTTP Response Status Code: {}",
+ response.getStatusLine().getStatusCode());
+ logger.debug("HTTP Response Body:");
+ logger.debug(returnBody);
+
+ return new Pair<>(response.getStatusLine().getStatusCode(),
+ returnBody);
+ } else {
+ logger.error("Response from {} is null", request.getURI());
+ return null;
+ }
+ } catch (Exception e) {
+ logger.error("Request failed to {}", request.getURI(), e);
+ return null;
+ }
+ }
+
+ /**
+ * Add header to the request.
+ *
+ * @param request http request to send
+ * @param username the user name
+ * @param password the password
+ * @param headers any headers
+ */
+ private void addHeaders(HttpRequestBase request, String username, String password, Map<String,
+ String> headers) {
+ String authHeader = makeAuthHeader(username, password);
+ if (headers != null) {
+ for (Entry<String, String> entry : headers.entrySet()) {
+ request.addHeader(entry.getKey(), headers.get(entry.getKey()));
+ }
+ }
+ if (authHeader != null) {
+ request.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+ }
+ }
+
+ private String makeAuthHeader(String username, String password) {
+ if (username == null || username.isEmpty()) {
+ return null;
+ }
+
+ String auth = username + ":" + (password == null ? "" : password);
+ return "Basic " + DatatypeConverter.printBase64Binary(auth.getBytes(Charset.forName("ISO-8859-1")));
+ }
+}
Code Review / policy / models.git / blobdiff