Zip Benchmark, java.util.zip VS org.apache.commons.compress.archivers.zip

Author: Tibo Delor

build.gradle

@@ -11,5 +11,5 @@ repositories{
 dependencies{
     compile "org.apache.commons:commons-lang3:3.1"
     compile 'com.google.caliper:caliper:0.5-rc1'
-
+    compile 'org.apache.commons:commons-compress:1.4.1'
 }

src/main/java/com/invalidcodeexception/experiment/zip/ZipBenchmark.java

@@ -0,0 +1,107 @@
+package com.invalidcodeexception.experiment.zip;
+
+import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
+import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
+
+import java.io.*;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * User: Tibo
+ * Date: 7/02/13
+ */
+public class ZipBenchmark
+{
+
+    private File dirToCompress = new File("/Users/shameemah/Workspaces/Skaffold/out");
+    private File fileOutput = new File("/tmp/test.zip");
+
+    public static void main(String[] args) throws IOException
+    {
+        ZipBenchmark zipBenchmark = new ZipBenchmark();
+        zipBenchmark.doJavaUtilZip();
+        zipBenchmark.doCommonsCompressZip();
+    }
+
+
+    public void doJavaUtilZip() throws IOException
+    {
+        long startTime = System.currentTimeMillis();
+        FileOutputStream out = new FileOutputStream(fileOutput);
+        javaUtilZipDir(dirToCompress, new ZipOutputStream(out));
+        out.flush();
+        out.close();
+        long endTime = System.currentTimeMillis();
+        System.out.println("Time :" + (endTime - startTime) + "ms");
+        System.out.println("File size : "+ fileOutput.getTotalSpace());
+    }
+
+    public void javaUtilZipDir(File dir2zip, ZipOutputStream zos) throws IOException
+    {
+        byte[] readBuffer = new byte[2156];
+        int bytesIn = 0;
+        for (File f : dir2zip.listFiles())
+        {
+            if (f.isDirectory())
+            {
+                javaUtilZipDir(f, zos);
+            }
+            else
+            {
+                FileInputStream fis = new FileInputStream(f);
+                ZipEntry anEntry = new ZipEntry(f.getPath());
+                zos.putNextEntry(anEntry);
+                //now write the content of the file to the ZipOutputStream
+                while ((bytesIn = fis.read(readBuffer)) != -1)
+                {
+                    zos.write(readBuffer, 0, bytesIn);
+                }
+                //close the Stream
+                fis.close();
+            }
+
+        }
+        zos.finish();
+    }
+
+    public void doCommonsCompressZip() throws IOException
+    {
+        long startTime = System.currentTimeMillis();
+        ZipArchiveOutputStream zout = new ZipArchiveOutputStream(fileOutput);
+        commonsCompressDir(dirToCompress, zout);
+        zout.flush();
+        zout.close();
+        long endTime = System.currentTimeMillis();
+        System.out.println("Time :" + (endTime - startTime) + "ms");
+        System.out.println("File size : "+ fileOutput.getTotalSpace());
+    }
+
+    public void commonsCompressDir(File dir2zip, ZipArchiveOutputStream zos) throws IOException
+    {
+        byte[] readBuffer = new byte[2156];
+        int bytesIn = 0;
+        for (File f : dir2zip.listFiles())
+        {
+            if (f.isDirectory())
+            {
+                commonsCompressDir(f, zos);
+            }
+            else
+            {
+                FileInputStream fis = new FileInputStream(f);
+                ZipArchiveEntry anEntry = new ZipArchiveEntry(f.getPath());
+                zos.putArchiveEntry(anEntry);
+                //now write the content of the file to the ZipOutputStream
+                while ((bytesIn = fis.read(readBuffer)) != -1)
+                {
+                    zos.write(readBuffer, 0, bytesIn);
+                }
+                zos.closeArchiveEntry();
+                //close the Stream
+                fis.close();
+            }
+
+        }
+    }
+}