Java HTTP Port Find parse(String specs, int defaultPort)

Description

Parses a space and/or comma separated sequence of server specifications of the form hostname or hostname:port.

License

Apache License

Return

a list of InetSocketAddress objects.

Declaration

public static List<InetSocketAddress> parse(String specs, int defaultPort) 

Method Source Code

//package com.java2s;
/**/*from   w  ww. ja v  a  2 s  . c  o  m*/
 * 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.
 */

import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.List;

public class Main {
    /**
     * Parses a space and/or comma separated sequence of server specifications of
     * the form <i>hostname</i> or <i>hostname:port</i>. If the specs string is
     * null, defaults to localhost:defaultPort.
     * 
     * @return a list of InetSocketAddress objects.
     */
    public static List<InetSocketAddress> parse(String specs, int defaultPort) {
        List<InetSocketAddress> result = new ArrayList<InetSocketAddress>(1);
        if (specs == null) {
            result.add(new InetSocketAddress("localhost", defaultPort));
        } else {
            String[] specStrings = specs.split("[ ,]+");
            for (String specString : specStrings) {
                int colon = specString.indexOf(':');
                if (colon < 0 || colon == specString.length() - 1) {
                    result.add(new InetSocketAddress(specString, defaultPort));
                } else {
                    String hostname = specString.substring(0, colon);
                    int port = Integer.parseInt(specString.substring(colon + 1));
                    result.add(new InetSocketAddress(hostname, port));
                }
            }
        }
        return result;
    }
}

Related

1. isTcpPortOpen(int port)
2. isTcpPortOpenCallable(final int port)
3. isTcpPortOpenCallable(final int port)
4. loadStringSupportedType(String javaType)
5. parse(final String desc, final int defaultPort)
6. parseCommaDelimitedHosts2(String hosts, int port_range)
7. parseHostPort(String s)
8. parsePort(String s)
9. ping(String domain, int port)