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-rw-r--r--controlloop/common/model-impl/rest/src/main/java/org/onap/policy/rest/RESTManager.java196
1 files changed, 106 insertions, 90 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
index 39e0d8a7f..a7e373b5f 100644
--- 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
@@ -7,9 +7,9 @@
* 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.
@@ -20,15 +20,16 @@
package org.onap.policy.rest;
-import java.io.IOException;
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;
@@ -42,126 +43,141 @@ 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 final A first;
+ public final B second;
- public Pair(A a, B b) {
- this.a = a;
- this.b = b;
+ 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 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
+ * @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) {
-
- String authHeader = makeAuthHeader(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));
+ 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;
}
- logger.debug(body);
+ return sendRequest(post);
+ }
- try (CloseableHttpClient client =
- HttpClientBuilder
- .create()
- .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
- .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);
- if (authHeader != null) {
- post.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+ /**
+ * 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);
+ }
- StringEntity input = new StringEntity(body);
- input.setContentType(contentType);
- post.setEntity(input);
+ /**
+ * 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());
+ }
- HttpResponse response = client.execute(post);
+ 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 POST Response Status Code: {}",
+ logger.debug("HTTP Response Status Code: {}",
response.getStatusLine().getStatusCode());
- logger.debug("HTTP POST Response Body:");
+ logger.debug("HTTP Response Body:");
logger.debug(returnBody);
return new Pair<>(response.getStatusLine().getStatusCode(),
returnBody);
- }
- else {
- logger.error("Response from {} is null", url);
+ } else {
+ logger.error("Response from {} is null", request.getURI());
return null;
}
- }
- catch (Exception e) {
- logger.error("Failed to POST to {}", url, e);
+ } catch (Exception e) {
+ logger.error("Request failed to {}", request.getURI(), e);
return null;
}
}
/**
- * 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
+ * Add header to the request.
+ *
+ * @param request http request to send
+ * @param username the user name
+ * @param password the password
+ * @param headers any headers
*/
- public Pair<Integer, String> get(String url, String username, String password,
- Map<String, String> headers) {
-
+ private void addHeaders(HttpRequestBase request, String username, String password, Map<String,
+ String> headers) {
String authHeader = makeAuthHeader(username, password);
-
- try (CloseableHttpClient client =
- HttpClientBuilder
- .create()
- .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
- .build()) {
-
- HttpGet get = new HttpGet(url);
- if (headers != null) {
- for (Entry<String, String> entry : headers.entrySet()) {
- get.addHeader(entry.getKey(), headers.get(entry.getKey()));
- }
- }
- if (authHeader != null) {
- get.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
+ if (headers != null) {
+ for (Entry<String, String> entry : headers.entrySet()) {
+ request.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;
+ if (authHeader != null) {
+ request.setHeader(HttpHeaders.AUTHORIZATION, authHeader);
}
}