Java File Path Delete deleteFilesInDirectory(String pathname)

Description

Deletes all files from a directory except PLACEHOLDER_FILENAME.

License

Educational Community License

Parameter

Parameter	Description
path	of the directory to empty

Declaration

public static void deleteFilesInDirectory(String pathname) 

Method Source Code

//package com.java2s;
/*/*from   w  ww.j  a va 2  s.c o  m*/
 * Copyright 2007-2008 The Kuali Foundation
 * 
 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
 * 
 * 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;

import java.io.FilenameFilter;

public class Main {
    private static final String PLACEHOLDER_FILENAME = "placeholder.txt";

    /**
     * Deletes all files from a directory except PLACEHOLDER_FILENAME.
     * @param path of the directory to empty
     */
    public static void deleteFilesInDirectory(String pathname) {
        FilenameFilter filenameFilter = new FilenameFilter() {
            public boolean accept(File dir, String name) {
                return (!name.equals(PLACEHOLDER_FILENAME));
            }
        };

        File directory = new File(pathname);
        File[] directoryListing = directory.listFiles(filenameFilter);

        if (directoryListing == null) {
            throw new IllegalArgumentException("Directory doesn't exist: " + pathname);
        } else {
            for (int i = 0; i < directoryListing.length; i++) {
                File file = directoryListing[i];
                if (!file.delete()) {
                    throw new RuntimeException("Delete of " + file.getName() + " failed.");
                }
            }
        }
    }
}

Related

1. deleteFileOrDirectory(String path)
2. deleteFiles(final File pathname)
3. deleteFiles(String actionPath, String filePath)
4. deleteFiles(String filePath)
5. deleteFilesInDirectory(File path)
6. deleteFilesinPath(File pBaseDir, String pFileName)
7. deleteFilesRecursive(final File path)
8. deleteFileSystemDirectory(String dirPath)
9. deleteFileSystemDirectory(String dirPath)