Java URI to Host Name getHost(URI uri)

Description

Extract host name from the URI

License

Open Source License

Parameter

Parameter	Description
uri	a parameter

Return

host name

Declaration

public static String getHost(URI uri) 

Method Source Code

//package com.java2s;
/**//www  . j  a  v a2 s  . c  o  m
 * (C) Copyright IBM Corp. 2015, 2016
 *
 * 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.URI;

public class Main {
    /**
     * Extract host name from the URI
     *
     * @param uri
     * @return host name
     */
    public static String getHost(URI uri) {
        String host = uri.getHost();
        if (host != null) {
            return host;
        }
        host = uri.toString();
        int sInd = host.indexOf("//") + 2;
        host = host.substring(sInd);
        int eInd = host.indexOf("/");
        host = host.substring(0, eInd);
        return host;
    }
}

Related

1. getHost(final URI uri)
2. getHost(URI uri)
3. getHost(URI uri)
4. getHostAddress(final URI uri)
5. getHostAddress(final URI uri)