diff options
Diffstat (limited to 'vnfs/vLBMS/apis/health-vnf-onap-plugin/health-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/health/RESTManager.java')
-rw-r--r-- | vnfs/vLBMS/apis/health-vnf-onap-plugin/health-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/health/RESTManager.java | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/vnfs/vLBMS/apis/health-vnf-onap-plugin/health-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/health/RESTManager.java b/vnfs/vLBMS/apis/health-vnf-onap-plugin/health-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/health/RESTManager.java new file mode 100644 index 00000000..abe7244e --- /dev/null +++ b/vnfs/vLBMS/apis/health-vnf-onap-plugin/health-vnf-onap-plugin-impl/src/main/java/org/onap/vnf/health/RESTManager.java @@ -0,0 +1,147 @@ +/*- + * ============LICENSE_START======================================================= + * + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * 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.vnf.health; + +import java.io.IOException; +import java.util.Map; +import java.util.Map.Entry; +import org.apache.http.HttpResponse; +import org.apache.http.auth.AuthScope; +import org.apache.http.auth.UsernamePasswordCredentials; +import org.apache.http.client.CredentialsProvider; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.conn.ssl.NoopHostnameVerifier; +import org.apache.http.entity.StringEntity; +import org.apache.http.impl.client.BasicCredentialsProvider; +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 a; + public final B b; + + public Pair(A a, B b) { + this.a = a; + this.b = b; + } + } + + public Pair<Integer, String> post(String url, String username, String password, + Map<String, String> headers, String contentType, String body) { + CredentialsProvider credentials = new BasicCredentialsProvider(); + credentials.setCredentials(AuthScope.ANY, + new UsernamePasswordCredentials(username, password)); + + logger.debug("HTTP REQUEST: {} -> {} {} -> {}", url, username, + ((password != null) ? password.length() : "-"), contentType); + if (headers != null) { + logger.debug("Headers: "); + headers.forEach((name, value) -> logger.debug("{} -> {}", name, value)); + } + logger.debug(body); + + try (CloseableHttpClient client = + HttpClientBuilder + .create() + .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE) + .setDefaultCredentialsProvider(credentials) + .build()) { + + HttpPost post = new HttpPost(url); + if (headers != null) { + for (Entry<String, String> entry : headers.entrySet()) { + post.addHeader(entry.getKey(), headers.get(entry.getKey())); + } + } + post.addHeader("Content-Type", contentType); + + StringEntity input = new StringEntity(body); + input.setContentType(contentType); + post.setEntity(input); + + HttpResponse response = client.execute(post); + if (response != null) { + String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8"); + logger.debug("HTTP POST Response Status Code: {}", + response.getStatusLine().getStatusCode()); + logger.debug("HTTP POST Response Body:"); + logger.debug(returnBody); + + return new Pair<>(response.getStatusLine().getStatusCode(), + returnBody); + } + else { + logger.error("Response from {} is null", url); + return null; + } + } + catch (Exception e) { + logger.error("Failed to POST to {}", url, e); + return null; + } + } + + public Pair<Integer, String> get(String url, String username, String password, + Map<String, String> headers) { + + CredentialsProvider credentials = new BasicCredentialsProvider(); + credentials.setCredentials(AuthScope.ANY, + new UsernamePasswordCredentials(username, password)); + + try (CloseableHttpClient client = + HttpClientBuilder + .create() + .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE) + .setDefaultCredentialsProvider(credentials) + .build()) { + + HttpGet get = new HttpGet(url); + if (headers != null) { + for (Entry<String, String> entry : headers.entrySet()) { + get.addHeader(entry.getKey(), headers.get(entry.getKey())); + } + } + + HttpResponse response = client.execute(get); + + String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8"); + + logger.debug("HTTP GET Response Status Code: {}", + response.getStatusLine().getStatusCode()); + logger.debug("HTTP GET Response Body:"); + logger.debug(returnBody); + + return new Pair<>(response.getStatusLine().getStatusCode(), returnBody); + } + catch (IOException e) { + logger.error("Failed to GET to {}", url, e); + return null; + } + } +} |