Java Delete Directory deleteFiles(final File directory, final String regexPattern)

Description

delete Files

License

Apache License

Declaration

public static File[] deleteFiles(final File directory, final String regexPattern) throws IOException 

Method Source Code

//package com.java2s;
/*/*from w w  w. jav  a2s .c  om*/
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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;

import java.io.IOException;

import java.util.ArrayList;
import java.util.Collection;

import java.util.regex.Pattern;

public class Main {
    public static File[] deleteFiles(final File directory, final String regexPattern) throws IOException {
        final Pattern pattern = Pattern.compile(regexPattern);
        final Collection<File> deletedFiles = new ArrayList<>();
        final File[] files = directory.listFiles();
        if (files == null) {
            throw new IllegalArgumentException(directory + " is not a directory");
        }
        for (final File file : files) {
            if (pattern.matcher(file.getName()).find()) {
                if (!file.delete()) {
                    throw new IOException("Couldn't delete file '" + file.getAbsolutePath() + "'");
                }
                deletedFiles.add(file);
            }
        }
        return deletedFiles.toArray(new File[deletedFiles.size()]);
    }
}

Related

1. deleteFiles(File[] files)
2. deleteFiles(File[] files)
3. deleteFiles(File[] intermediateFiles)
4. deleteFiles(FileFilter filter)
5. deleteFiles(final ArrayList files)
6. deleteFiles(final File file)
7. deleteFiles(final File... files)
8. deleteFiles(List files)
9. deleteFiles(String dir)