{"action":"created","comment":{"url":"https://api.github.com/repos/caskdata/cdap/pulls/comments/48787808","id":48787808,"diff_hunk":"@@ -0,0 +1,52 @@\n+/*\n+ * Copyright © 2015 Cask Data, Inc.\n+ *\n+ * Licensed under the Apache License, Version 2.0 (the \"License\"); you may not\n+ * use this file except in compliance with the License. You may obtain a copy of\n+ * the License at\n+ *\n+ * http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software\n+ * distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT\n+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the\n+ * License for the specific language governing permissions and limitations under\n+ * the License.\n+ */\n+package co.cask.cdap.data.runtime.main;\n+\n+import kafka.Kafka;\n+import org.apache.hadoop.util.VersionInfo;\n+import org.apache.zookeeper.version.Info;\n+\n+import java.net.URL;\n+import java.util.regex.Matcher;\n+import java.util.regex.Pattern;\n+\n+/**\n+ * Provides client versions of infrasturcture components.\n+ */\n+public class ClientVersions {\n+\n+  public static String getHadoopVersion() {\n+    return VersionInfo.getVersion();\n+  }\n+\n+  public static String getZooKeeperVersion() {\n+    return String.format(\"%d.%d.%d.%d\", Info.MAJOR, Info.MINOR, Info.MICRO, Info.REVISION);\n+  }\n+\n+  public static String getKafkaVersion() {\n+    // return AppInfoParser.getVersion();\n+    URL kafkaJar = Kafka.class.getResource(\"/\" + Kafka.class.getName().replace(\".\", \"/\") + \".class\");\n+    String[] tokens = kafkaJar.getPath().split(\"!\")[0].split(\"/\");\n+    String jarFilename = tokens[tokens.length - 1];\n+    Matcher matcher = Pattern.compile(\"kafka_2.10-(\\\\d+\\\\.\\\\d+\\\\.\\\\d+\\\\.\\\\d+)\\\\.jar\").matcher(jarFilename);","path":"cdap-master/src/main/java/co/cask/cdap/data/runtime/main/ClientVersions.java","position":null,"original_position":44,"commit_id":"623af5fc3fa7e5ba7151347d98c9f365b98e2cd2","original_commit_id":"af755595bd3bcc27f3b23a842d685eb5146ca2bf","user":{"login":"albertshau","id":5215004,"avatar_url":"https://avatars.githubusercontent.com/u/5215004?v=3","gravatar_id":"","url":"https://api.github.com/users/albertshau","html_url":"https://github.com/albertshau","followers_url":"https://api.github.com/users/albertshau/followers","following_url":"https://api.github.com/users/albertshau/following{/other_user}","gists_url":"https://api.github.com/users/albertshau/gists{/gist_id}","starred_url":"https://api.github.com/users/albertshau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/albertshau/subscriptions","organizations_url":"https://api.github.com/users/albertshau/orgs","repos_url":"https://api.github.com/users/albertshau/repos","events_url":"https://api.github.com/users/albertshau/events{/privacy}","received_events_url":"https://api.github.com/users/albertshau/received_events","type":"User","site_admin":false},"body":"doesn't 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