Java Zip File Check isZipOrJarArchive(File file)

Description

Test if a file is a ZIP or JAR archive.

License

Apache License

Parameter

Parameter	Description
file	the file to be tested.

Return

true if the file is a ZIP/JAR archive, false otherwise.

Declaration

public static boolean isZipOrJarArchive(File file) 

Method Source Code

//package com.java2s;
/**//  w w w  .  j av  a  2s . c o  m
 *   Copyright 2006 Alcatel, OSP.
 *
 *   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;

import java.io.IOException;

import java.util.zip.ZipException;
import java.util.zip.ZipFile;

public class Main {
    /**
     * Test if a file is a ZIP or JAR archive.
     *
     * @param file the file to be tested.
     * @return true if the file is a ZIP/JAR archive, false otherwise.
     */
    public static boolean isZipOrJarArchive(File file) {
        boolean isArchive = true;
        ZipFile zipFile = null;

        try {
            zipFile = new ZipFile(file);
        } catch (ZipException zipCurrupted) {
            isArchive = false;
        } catch (IOException anyIOError) {
            isArchive = false;
        } finally {
            if (zipFile != null) {
                try {
                    zipFile.close();
                } catch (IOException ignored) {
                }
            }
        }

        return isArchive;
    }
}

Related

1. isZipFile(InputStream stream)
2. isZipFile(java.io.File file)
3. isZipFile(String fileName)
4. isZipFile(String fileName)
5. isZipFile(String path)
6. isZipped(File f)
7. isZipped(File file)
8. isZipped(final File file)
9. isZipped(InputStream inputStream)