Java Delete Temp Directory deleteTempDir()

Description

Delete the temporary directory.

License

Open Source License

Declaration

public static void deleteTempDir() throws IOException 

Method Source Code

//package com.java2s;
/*/* w w  w.ja v a 2  s  . co  m*/
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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;

public class Main {
    /**
     * A temporary directory used during testing and cleared via {@link #deleteTempDir()}.
     */
    private static final File TEMP_DIR = new File(System.getProperty("java.io.tmpdir"), "AnalysisEngineTestTmp");

    /**
     * Delete the temporary directory. This should called from the {@link TestCase} tearDown method of
     * any test case which calls {@link #createTempDir(String)} or {@link #createTempFile(String)}.
     */
    public static void deleteTempDir() throws IOException {
        if (TEMP_DIR.exists()) {
            deleteDirectory(TEMP_DIR);
        }
    }

    /**
     * Delete the contents of the given directory, given that we know it is a directory.
     * 
     * @param dir the directory whose contents are to be deleted
     */
    private static void deleteDirectory(File dir) throws IOException {
        for (File file : dir.listFiles()) {
            if (file.isDirectory()) {
                deleteDirectory(file);
            } else {
                if (!file.delete()) {
                    throw new IOException("Failed to delete " + file);
                }
            }
        }
        if (!dir.delete()) {
            throw new IOException("Failed to delete " + dir);
        }
    }
}

Related

1. deleteTempDir(File file)
2. deleteTempDirectories(List lstTempDirectories)
3. deleteTempDirectory(File dir)
4. deleteTempMapset(String mapsetFolder)