001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util;
019
020import org.apache.hadoop.hbase.ServerName;
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * Utility used by the web UI JSP pages.
025 */
026@InterfaceAudience.Private
027public final class CanaryStatusUtil {
028
029  private CanaryStatusUtil() {
030    // Do not instantiate.
031  }
032
033  public static String serverNameLink(ServerName serverName) {
034    int infoPort = serverName.getPort() + 1;
035    String url = "//" + serverName.getHostname() + ":" + infoPort + "/";
036    if (infoPort > 0) {
037      return "<a href=\"" + url + "\">" + serverName.getServerName() + "</a>";
038    } else {
039      return serverName.getServerName();
040    }
041  }
042}