| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.hadoop.hdfs.web.resources; |
| |
| import java.net.InetSocketAddress; |
| |
| /** InetSocketAddressParam parameter. */ |
| abstract class InetSocketAddressParam |
| extends Param<InetSocketAddress, InetSocketAddressParam.Domain> { |
| InetSocketAddressParam(final Domain domain, final InetSocketAddress value) { |
| super(domain, value); |
| } |
| |
| @Override |
| public String toString() { |
| return getName() + "=" + Domain.toString(getValue()); |
| } |
| |
| /** The domain of the parameter. */ |
| static final class Domain extends Param.Domain<InetSocketAddress> { |
| Domain(final String paramName) { |
| super(paramName); |
| } |
| |
| @Override |
| public String getDomain() { |
| return "<HOST:PORT>"; |
| } |
| |
| @Override |
| InetSocketAddress parse(final String str) { |
| final int i = str.indexOf(':'); |
| if (i < 0) { |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\" as " + getDomain() + ": the ':' character not found."); |
| } else if (i == 0) { |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\" as " + getDomain() + ": HOST is empty."); |
| } else if (i == str.length() - 1) { |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\" as " + getDomain() + ": PORT is empty."); |
| } |
| |
| final String host = str.substring(0, i); |
| final int port; |
| try { |
| port = Integer.parseInt(str.substring(i + 1)); |
| } catch(NumberFormatException e) { |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\" as " + getDomain() + ": the ':' position is " + i |
| + " but failed to parse PORT.", e); |
| } |
| |
| try { |
| return new InetSocketAddress(host, port); |
| } catch(Exception e) { |
| throw new IllegalArgumentException("Failed to parse \"" + str |
| + "\": cannot create InetSocketAddress(host=" + host |
| + ", port=" + port + ")", e); |
| } |
| } |
| |
| /** Convert an InetSocketAddress to a HOST:PORT String. */ |
| static String toString(final InetSocketAddress addr) { |
| return addr.getHostName() + ":" + addr.getPort(); |
| } |
| } |
| } |