#416 Add NoCompression deflate compression level

srikanth-lingala · Mar 25, 2022 · 328be36 · 328be36
1 parent be88df4
commit 328be36
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/src/main/java/net/lingala/zip4j/model/enums/CompressionLevel.java b/src/main/java/net/lingala/zip4j/model/enums/CompressionLevel.java
@@ -6,6 +6,10 @@
  */
 public enum CompressionLevel {
 
+ /**
+ * Level 0 - No compression
+ */
+ NO_COMPRESSION(0),
  /**
  * Level 1 Deflate compression. Fastest compression.
  */
@@ -43,7 +47,7 @@ public enum CompressionLevel {
  */
  ULTRA(9);
 
- private int level;
+ private final int level;
 
  CompressionLevel(int level) {
  this.level = level;

diff --git a/src/test/java/net/lingala/zip4j/CreateZipFileIT.java b/src/test/java/net/lingala/zip4j/CreateZipFileIT.java
@@ -521,6 +521,12 @@ public void testCreateZipFileWithPreUltraCompressionLevel() throws IOException {
  verifyZipFileByExtractingAllFiles(generatedZipFile, outputFolder, 3);
  }
 
+ @Test
+ public void testCreateZipFileWithDeflateNoCompressionLevel() throws IOException {
+ createZipFileWithCompressionLevel(CompressionLevel.NO_COMPRESSION);
+ verifyZipFileByExtractingAllFiles(generatedZipFile, outputFolder, 3);
+ }
+
  private void testAddSymlinkThrowsExceptionForMissingTarget(ZipParameters.SymbolicLinkAction symbolicLinkAction)
  throws IOException {
  File targetFile = Paths.get(temporaryFolder.getRoot().getAbsolutePath(), "foo").toFile();