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Diffstat (limited to 'src/main/java/com/att/dmf/mr/metrics/publisher/CambriaPublisherUtility.java')
-rw-r--r-- | src/main/java/com/att/dmf/mr/metrics/publisher/CambriaPublisherUtility.java | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/main/java/com/att/dmf/mr/metrics/publisher/CambriaPublisherUtility.java b/src/main/java/com/att/dmf/mr/metrics/publisher/CambriaPublisherUtility.java new file mode 100644 index 0000000..1510c32 --- /dev/null +++ b/src/main/java/com/att/dmf/mr/metrics/publisher/CambriaPublisherUtility.java @@ -0,0 +1,146 @@ +/******************************************************************************* + * ============LICENSE_START======================================================= + * org.onap.dmaap + * ================================================================================ + * Copyright © 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========================================================= + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * + *******************************************************************************/ +package com.att.dmf.mr.metrics.publisher; + +import java.io.UnsupportedEncodingException; +import java.net.URLEncoder; +import java.util.ArrayList; +import java.util.Collection; +import java.util.List; + +import org.apache.http.HttpHost; +/** + * + * @author anowarul.islam + * + */ +public class CambriaPublisherUtility +{ + public static final String kBasePath = "/events/"; + public static final int kStdCambriaServicePort = 3904; +/** + * + * Translates a string into <code>application/x-www-form-urlencoded</code> + * format using a specific encoding scheme. + * @param s + * @return + * + */ + public static String escape ( String s ) + { + try + { + return URLEncoder.encode ( s, "UTF-8"); + } + catch ( UnsupportedEncodingException e ) + { + throw new RuntimeException ( e ); + } + } +/** + * + * building url + * @param rawTopic + * @return + */ + public static String makeUrl ( String rawTopic ) + { + final String cleanTopic = escape ( rawTopic ); + + final StringBuffer url = new StringBuffer(). + append ( CambriaPublisherUtility.kBasePath ). + append ( cleanTopic ); + return url.toString (); + } +/** + * + * building consumerUrl + * @param topic + * @param rawConsumerGroup + * @param rawConsumerId + * @return + */ + public static String makeConsumerUrl ( String topic, String rawConsumerGroup, String rawConsumerId ) + { + final String cleanConsumerGroup = escape ( rawConsumerGroup ); + final String cleanConsumerId = escape ( rawConsumerId ); + return CambriaPublisherUtility.kBasePath + topic + "/" + cleanConsumerGroup + "/" + cleanConsumerId; + } + + /** + * Create a list of HttpHosts from an input list of strings. Input strings have + * host[:port] as format. If the port section is not provided, the default port is used. + * + * @param hosts + * @return a list of hosts + */ + public static List<HttpHost> createHostsList(Collection<String> hosts) + { + final ArrayList<HttpHost> convertedHosts = new ArrayList<HttpHost> (); + for ( String host : hosts ) + { + if ( host.length () == 0 ) continue; + convertedHosts.add ( hostForString ( host ) ); + } + return convertedHosts; + } + + /** + * Return an HttpHost from an input string. Input string has + * host[:port] as format. If the port section is not provided, the default port is used. + * + * @param hosts + * @return a list of hosts + * if host.length<1 throws IllegalArgumentException + * + */ + public static HttpHost hostForString ( String host ) + { + if ( host.length() < 1 ) throw new IllegalArgumentException ( "An empty host entry is invalid." ); + + String hostPart = host; + int port = kStdCambriaServicePort; + + final int colon = host.indexOf ( ':' ); + if ( colon == 0 ) throw new IllegalArgumentException ( "Host entry '" + host + "' is invalid." ); + if ( colon > 0 ) + { + hostPart = host.substring ( 0, colon ).trim(); + + final String portPart = host.substring ( colon + 1 ).trim(); + if ( portPart.length () > 0 ) + { + try + { + port = Integer.parseInt ( portPart ); + } + catch ( NumberFormatException x ) + { + throw new IllegalArgumentException ( "Host entry '" + host + "' is invalid.", x ); + } + } + // else: use default port on "foo:" + } + + return new HttpHost ( hostPart, port ); + } +} |