Java Socket Address Get getDestinationInetSocketAddress(URI uri, int defaultPort)

Description

Get a socket address for a URI destination, resolving the host name if necessary.

License

Open Source License

Parameter

Parameter	Description
uri	the destination URI
defaultPort	the default port number for the URI scheme, or -1 if there is none or it is unknown

Return

the socket address, or null if no authority is present in the URI or no port number could be determined

Declaration

public static InetSocketAddress getDestinationInetSocketAddress(URI uri, int defaultPort)

Method Source Code

//package com.java2s;
/*//from w ww.  ja  v a  2 s  . c om
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed 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.net.URI;

public class Main {
    /**
     * Get a socket address for a URI destination, resolving the host name if necessary.  If the host name could not
     * be resolved, an {@linkplain InetSocketAddress#isUnresolved() unresolved} address is returned.
     *
     * @param uri the destination URI
     * @param defaultPort the default port number for the URI scheme, or -1 if there is none or it is unknown
     * @return the socket address, or {@code null} if no authority is present in the URI or no port number could be determined
     */
    public static InetSocketAddress getDestinationInetSocketAddress(URI uri, int defaultPort) {
        final String host = uri.getHost();
        if (host == null) {
            return null;
        }
        final int length = host.length();
        if (length == 0) {
            return null;
        }
        int port = uri.getPort();
        if (port == -1)
            port = defaultPort;
        if (port == -1) {
            return null;
        }
        return new InetSocketAddress(host, port);
    }
}