diff options
Diffstat (limited to 'controlloop/common/model-impl/rest/src/main/java')
-rw-r--r-- | controlloop/common/model-impl/rest/src/main/java/org/onap/policy/rest/RESTManager.java | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/controlloop/common/model-impl/rest/src/main/java/org/onap/policy/rest/RESTManager.java b/controlloop/common/model-impl/rest/src/main/java/org/onap/policy/rest/RESTManager.java new file mode 100644 index 000000000..e42ab1693 --- /dev/null +++ b/controlloop/common/model-impl/rest/src/main/java/org/onap/policy/rest/RESTManager.java @@ -0,0 +1,115 @@ +/*- + * ============LICENSE_START======================================================= + * rest + * ================================================================================ + * 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.policy.rest; + +import java.io.IOException; +import java.util.Map; + +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.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; + +public final class RESTManager { + + public static 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 static 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)); + + System.out.println("HTTP REQUEST: " + url + " -> " + username + ((password!=null)?password.length():"-") + " -> " + contentType); + if (headers != null) { + System.out.println("Headers: "); + headers.forEach((name, value) -> { + System.out.println(name + " -> " + value); + }); + } + System.out.println(body); + + try (CloseableHttpClient client = HttpClientBuilder.create().setDefaultCredentialsProvider(credentials).build()) { + + HttpPost post = new HttpPost(url); + for (String key : headers.keySet()) { + post.addHeader(key, headers.get(key)); + } + post.addHeader("Content-Type", contentType); + + StringEntity input = new StringEntity(body); + input.setContentType(contentType); + post.setEntity(input); + + HttpResponse response = client.execute(post); + + String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8"); + System.out.println("HTTP POST Response Status Code: " + response.getStatusLine().getStatusCode()); + System.out.println("HTTP POST Response Body:"); + System.out.println(returnBody); + + return new Pair<Integer, String>(response.getStatusLine().getStatusCode(), returnBody); + } catch (IOException e) { + System.err.println("Failed to POST to " + url + e.getLocalizedMessage()); + return null; + } + + } + + public static 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().setDefaultCredentialsProvider(credentials).build()) { + + HttpGet get = new HttpGet(url); + for (String key : headers.keySet()) { + get.addHeader(key, headers.get(key)); + } + + HttpResponse response = client.execute(get); + + String returnBody = EntityUtils.toString(response.getEntity(), "UTF-8"); + System.out.println("HTTP GET Response Status Code: " + response.getStatusLine().getStatusCode()); + System.out.println("HTTP GET Response Body:"); + System.out.println(returnBody); + + return new Pair<Integer, String>(response.getStatusLine().getStatusCode(), returnBody); + } catch (IOException e) { + System.err.println("Failed to GET to " + url + e.getLocalizedMessage()); + return null; + } + } +} |