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[BAEL-5033] How to create Password-protected Zip files and Unzip them in Java (#11066) 

Co-authored-by: tienvn4 <tienvn4@ghtk.co>
This commit is contained in:
vunamtien 2021-08-01 13:46:51 +07:00 committed by GitHub
parent d36b90a1d0
commit b80ed90d5c
7 changed files with 118 additions and 0 deletions
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5
libraries-io/pom.xml
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@ -29,6 +29,11 @@
<artifactId>commons-vfs2</artifactId>
<version>${vfs.version}</version>
</dependency>
<dependency>
<groupId>net.lingala.zip4j</groupId>
<artifactId>zip4j</artifactId>
<version>2.9.0</version>
</dependency>
</dependencies>
<properties>

22
libraries-io/src/main/java/com/baeldung/java/io/zip4j/CreateSplitZipFile.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.util.Arrays;
public class CreateSplitZipFile {
public static void main(String[] args) throws ZipException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
int splitLength = 1024 * 1024 * 10; //10MB
zipFile.createSplitZipFile(Arrays.asList(new File("aFile.txt")), zipParameters, true, splitLength);
zipFile.createSplitZipFileFromFolder(new File("/users/folder_to_add"), zipParameters, true, splitLength);
}
}

12
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ExtractAllFile.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
public class ExtractAllFile {
public static void main(String[] args) throws ZipException {
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.extractAll("/destination_directory");
}
}

12
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ExtractSingleFile.java Normal file
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@ -0,0 +1,12 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
public class ExtractSingleFile {
public static void main(String[] args) throws ZipException {
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.extractFile("aFile.txt", "/destination_directory");
}
}

19
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipFolder.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
public class ZipFolder {
public static void main(String[] args) throws ZipException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFolder(new File("/users/folder_to_add"), zipParameters);
}
}

27
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipMultiFile.java Normal file
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package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
import java.util.Arrays;
import java.util.List;
public class ZipMultiFile {
public static void main(String[] args) throws ZipException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
List<File> filesToAdd = Arrays.asList(
new File("aFile.txt"),
new File("bFile.txt")
);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFiles(filesToAdd, zipParameters);
}
}

21
libraries-io/src/main/java/com/baeldung/java/io/zip4j/ZipSingleFile.java Normal file
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package com.baeldung.java.io.zip4j;
import net.lingala.zip4j.ZipFile;
import net.lingala.zip4j.exception.ZipException;
import net.lingala.zip4j.model.ZipParameters;
import net.lingala.zip4j.model.enums.CompressionLevel;
import net.lingala.zip4j.model.enums.EncryptionMethod;
import java.io.File;
public class ZipSingleFile {
public static void main(String[] args) throws ZipException {
ZipParameters zipParameters = new ZipParameters();
zipParameters.setEncryptFiles(true);
zipParameters.setCompressionLevel(CompressionLevel.HIGHER);
zipParameters.setEncryptionMethod(EncryptionMethod.AES);
ZipFile zipFile = new ZipFile("compressed.zip", "password".toCharArray());
zipFile.addFile(new File("aFile.txt"));
}
}