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@@ -1,111 +0,0 @@
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-/**
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- * Licensed to the Apache Software Foundation (ASF) under one
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- * or more contributor license agreements. See the NOTICE file
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- * distributed with this work for additional information
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- * regarding copyright ownership. The ASF licenses this file
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- * to you under the Apache License, Version 2.0 (the
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- * "License"); you may not use this file except in compliance
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- * with the License. You may obtain a copy of the License at
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- *
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- * http://www.apache.org/licenses/LICENSE-2.0
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- *
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- * Unless required by applicable law or agreed to in writing, software
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- * distributed under the License is distributed on an "AS IS" BASIS,
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- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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- * See the License for the specific language governing permissions and
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- * limitations under the License.
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- */
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-package org.apache.hadoop.metrics2.sink.util;
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-
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-import java.net.InetAddress;
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-import java.net.InetSocketAddress;
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-import java.net.URI;
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-import java.net.UnknownHostException;
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-import java.util.ArrayList;
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-import java.util.List;
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-
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-import org.apache.hadoop.classification.InterfaceAudience;
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-import org.apache.hadoop.classification.InterfaceStability;
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-
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-/**
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- * Helpers to handle server addresses
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- */
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-@InterfaceAudience.Public
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-@InterfaceStability.Evolving
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-public class Servers {
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- /**
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- * This class is not intended to be instantiated
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- */
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- private Servers() {}
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-
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- /**
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- * Parses a space and/or comma separated sequence of server specifications
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- * of the form <i>hostname</i> or <i>hostname:port</i>. If
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- * the specs string is null, defaults to localhost:defaultPort.
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- *
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- * @param specs server specs (see description)
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- * @param defaultPort the default port if not specified
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- * @return a list of InetSocketAddress objects.
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- */
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- public static List<InetSocketAddress> parse(String specs, int defaultPort) {
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- List<InetSocketAddress> result = new ArrayList<InetSocketAddress>();
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- if (specs == null) {
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- result.add(new InetSocketAddress("localhost", defaultPort));
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- } else {
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- String[] specStrings = specs.split("[ ,]+");
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- for (String specString : specStrings) {
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- result.add(createSocketAddr(specString, defaultPort));
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- }
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- }
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- return result;
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- }
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-
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- /**
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- * @param host
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- * @param port
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- * @return a InetSocketAddress created with the specified host and port
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- */
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- private static InetSocketAddress createSocketAddr(String target, int defaultPort) {
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- String helpText = "";
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- if (target == null) {
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- throw new IllegalArgumentException("Target address cannot be null." + helpText);
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- }
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- boolean hasScheme = target.contains("://");
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- URI uri = null;
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- try {
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- uri = hasScheme ? URI.create(target) : URI.create("dummyscheme://" + target);
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- } catch (IllegalArgumentException e) {
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- throw new IllegalArgumentException("Does not contain a valid host:port authority: " + target + helpText);
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- }
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-
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- String host = uri.getHost();
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- int port = uri.getPort();
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- if (port == -1) {
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- port = defaultPort;
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- }
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- String path = uri.getPath();
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-
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- if ((host == null) || (port < 0) || (!hasScheme && path != null && !path.isEmpty())) {
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- throw new IllegalArgumentException("Does not contain a valid host:port authority: " + target + helpText);
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- }
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- return createSocketAddrForHost(host, port);
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- }
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-
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- /**
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- * @param host
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- * @param port
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- * @return a InetSocketAddress created with the specified host and port
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- */
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- private static InetSocketAddress createSocketAddrForHost(String host, int port) {
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- InetSocketAddress addr;
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- try {
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- InetAddress iaddr = InetAddress.getByName(host);
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- iaddr = InetAddress.getByAddress(host, iaddr.getAddress());
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- addr = new InetSocketAddress(iaddr, port);
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- } catch (UnknownHostException e) {
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- addr = InetSocketAddress.createUnresolved(host, port);
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- }
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- return addr;
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- }
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-
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-}
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