org.apache.wicket.util.file.FolderDeleteStrategy.java Source code

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/*
 * 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.
 */
package org.apache.wicket.util.file;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileDeleteStrategy;

/**
 * A {@link FileDeleteStrategy} that can delete folders.
 */
public class FolderDeleteStrategy extends FileDeleteStrategy {
    /**
     * Construct.
     */
    protected FolderDeleteStrategy() {
        super("folder");
    }

    @Override
    public boolean deleteQuietly(final File folder) {
        if (folder == null || folder.isFile()) {
            return false;
        }

        File[] files = folder.listFiles();
        if (files != null) {
            for (File file : files) {
                if (file.isDirectory()) {
                    deleteQuietly(file);
                } else {
                    super.deleteQuietly(file);
                }
            }
        }

        return super.deleteQuietly(folder);
    }

    @Override
    public void delete(final File folder) throws IOException {
        if (folder == null || folder.isFile()) {
            return;
        }

        File[] files = folder.listFiles();
        if (files != null) {
            for (File file : files) {
                super.delete(file);
            }
        }
    }

}