Java URL Sanitize sanitizeUrlWithProtocol(String url, String defaultProtocol)

Description

Sanitizes a given URL to include a protocol prefix.

License

Apache License

Declaration

public static String sanitizeUrlWithProtocol(String url, String defaultProtocol) 

Method Source Code

//package com.java2s;
/*/*www.  ja  v a 2  s .c o m*/
 *  Copyright 2011 Dan Bjorge
 *
 *  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.
 */

public class Main {
    /**
     * Sanitizes a given URL to include a protocol prefix. If one is not found, it prepends the
     * given default protocol.
     *
     * Note that unlike {@see #sanitizeUrlWithoutProtocol(String, String)}, this method does
     * NOT raise any error if the given URL starts with a non-default protocol. It also does not
     * override such a non-default protocol.
     *
     * Inputs may not be null.
     */
    public static String sanitizeUrlWithProtocol(String url, String defaultProtocol) {
        if (url.contains("://") && url.indexOf('/') - 1 == url.indexOf("://")) {
            return url;
        } else {
            return defaultProtocol + "://" + url;
        }
    }
}

Related

1. sanitizeURL(String url)
2. sanitizeUrl(String url)
3. sanitizeUrl(String url)
4. sanitizeURL(String url)
5. sanitizeUrlWithoutProtocol(String url, String protocol)