Java String Start With startWithProtocol(String input)

Description

Check if the provided String start with one supported protocol strings.

License

Open Source License

Parameter

Parameter	Description
input	the String to check.

Return

true if the start with a protocol, else false.

Declaration

public static boolean startWithProtocol(String input) 

Method Source Code

//package com.java2s;
/**//from  w w w  .  j  ava2 s  . c o  m
 * Xtreme Media Player a cross-platform media player.
 * Copyright (C) 2005-2011 Besmir Beqiri
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

public class Main {
    /**
     * An array of protocol strings.
     */
    public static final String[] PROTOCOLS = { "http:", "file:", "ftp:", "https:", "ftps:", "jar:" };

    /**
     * Check if the provided {@link String} start with one supported
     * protocol strings.
     *
     * @param input the {@link String} to check.
     * @return <code>true</code> if the {@link String} start with a protocol,
     *         else <code>false</code>.
     */
    public static boolean startWithProtocol(String input) {
        if (input != null) {
            input = input.toLowerCase();
            for (String protocol : PROTOCOLS) {
                if (input.startsWith(protocol)) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * Check if the provided {@link String} start with a specified
     * protocol {@link String}.
     *
     * @param input the {@link String} to check.
     * @param protocol the protocol {@link String}.
     * @return <code>true</code> if the {@link String} start with the
     *         specified protocol, else <code>false</code>.
     */
    public static boolean startWithProtocol(String input, String protocol) {
        if (input != null) {
            input = input.toLowerCase();
            if (input.startsWith(protocol)) {
                return true;
            }
        }
        return false;
    }
}

Related

1. startWithBOM(byte[] array)
2. startWithIgnoreCase(CharSequence str, CharSequence prefix)
3. startWithIgnoreCase(String str, String prefix)
4. startWithLowerCase(String in)
5. startWithLowerCase(String methodName)
6. startWithProtocol(String input)
7. startWithRoot(String path)
8. startWithUppercase(String name)
9. startWithUppercase(String text)