Java String Start With startWithRoot(String path)

Description

Checks if the provide path starts with a valid root, such as "/" or "C:".

License

Apache License

Parameter

Parameter	Description
path	The path to check.

Return

If the provide path starts with a valid root.

Declaration

public static boolean startWithRoot(String path) 

Method Source Code

//package com.java2s;
/*/*from   w w  w .  j  av  a 2 s  . c  om*/
 * Copyright 2013 Netherlands eScience Center
 *
 * 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 {
    /**
     * Checks if the provide path starts with a valid root, such as "/" or "C:".
     *
     * @param path
     *            The path to check.
     * @return If the provide path starts with a valid root.
     */
    public static boolean startWithRoot(String path) {
        return startsWithLinuxRoot(path) || startWithWindowsRoot(path);
    }

    /**
     * Checks if the provide path starts with a valid Linux root, that is "/".
     *
     * @param path
     *            The path to check.
     * @return If the provide path starts with a valid Linux root.
     */
    public static boolean startsWithLinuxRoot(String path) {
        return path != null && path.startsWith("/");

    }

    /**
     * Checks if the provide path starts with a valid Windows root, for example "C:".
     *
     * @param path
     *            The path to check.
     * @return If the provide path starts with a valid Windows root.
     */
    public static boolean startWithWindowsRoot(String path) {
        return path != null && path.length() >= 2 && path.charAt(1) == ':' && Character.isLetter(path.charAt(0));
    }
}

Related

1. startWithIgnoreCase(String str, String prefix)
2. startWithLowerCase(String in)
3. startWithLowerCase(String methodName)
4. startWithProtocol(String input)
5. startWithProtocol(String input)
6. startWithUppercase(String name)
7. startWithUppercase(String text)
8. startWithWindowsRoot(String path)