Java Directory Check checkDirectoryArray(String[] names)

Description

Checks a array of names for non existent or non directory entries and nulls them out.

License

Apache License

Return

Count of non-null elements

Declaration

public static int checkDirectoryArray(String[] names) 

Method Source Code

//package com.java2s;
/*/*from w w  w . j a  v  a2 s . co  m*/
 *
 * Copyright 2001-2004 The Ant-Contrib project
 *
 *  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.io.File;

public class Main {
    /**
     * Checks a array of names for non existent or non directory entries and
     * nulls them out.
     *
     * @return Count of non-null elements
     */
    public static int checkDirectoryArray(String[] names) {
        int count = 0;
        for (int i = 0; i < names.length; i++) {
            if (names[i] != null) {
                File dir = new File(names[i]);
                if (dir.exists() && dir.isDirectory()) {
                    count++;
                } else {
                    names[i] = null;
                }
            }
        }
        return count;
    }
}

Related

1. checkDirectory(File file)
2. checkDirectory(File target)
3. checkDirectory(final File directory)
4. checkDirectory(final String dir, final boolean create, final String errorDirName)
5. checkDirectory(String value)
6. checkDirectoryInWorkspace(String directoryName)
7. checkDirPath(final String path)
8. checkDirs(File f)
9. checkDirs(String dir)