Add more netcode

src/com/flaremicro/util/ZipUtils.java

@@ -1,49 +1,118 @@
 package com.flaremicro.util;
+
+import java.io.BufferedInputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Enumeration;
 import java.util.zip.ZipEntry;
+import java.util.zip.ZipException;
+import java.util.zip.ZipFile;
 import java.util.zip.ZipOutputStream;
 
 public class ZipUtils {
 
-
 	public static void zipDirectory(File sourceDir, File zipFile) throws IOException {
-        FileOutputStream fos = new FileOutputStream(zipFile);
-        ZipOutputStream zos = new ZipOutputStream(fos);
-        try {
-            zipFilesRecursively(sourceDir, sourceDir, zos);
-        } finally {
-            zos.close();
-        }
-    }
+		FileOutputStream fos = new FileOutputStream(zipFile);
+		ZipOutputStream zos = new ZipOutputStream(fos);
+		try
+		{
+			zipFilesRecursively(sourceDir, sourceDir, zos);
+		}
+		finally
+		{
+			zos.close();
+		}
+	}
 
-    private static void zipFilesRecursively(File rootDir, File source, ZipOutputStream zos) throws IOException {
-        if (source.isDirectory()) {
-            File[] files = source.listFiles();
-            if (files != null) {
-                for (File file : files) {
-                    zipFilesRecursively(rootDir, file, zos);
-                }
-            }
-        } else {
-            FileInputStream fis = new FileInputStream(source);
-            try {
-                // Create the relative path for the entry
-                String zipEntryName = source.getAbsolutePath().substring(rootDir.getAbsolutePath().length() + 1).replace("\\", "/");
-                ZipEntry zipEntry = new ZipEntry(zipEntryName);
-                zos.putNextEntry(zipEntry);
+	private static void zipFilesRecursively(File rootDir, File source, ZipOutputStream zos) throws IOException {
+		if (source.isDirectory())
+		{
+			File[] files = source.listFiles();
+			if (files != null)
+			{
+				for (File file : files)
+				{
+					zipFilesRecursively(rootDir, file, zos);
+				}
+			}
+		}
+		else
+		{
+			FileInputStream fis = null;
+			try
+			{
+				fis = new FileInputStream(source);
+				// Create the relative path for the entry
+				String zipEntryName = source.getAbsolutePath().substring(rootDir.getAbsolutePath().length() + 1).replace("\\", "/");
+				ZipEntry zipEntry = new ZipEntry(zipEntryName);
+				zos.putNextEntry(zipEntry);
 
-                byte[] buffer = new byte[4096];
-                int bytesRead;
-                while ((bytesRead = fis.read(buffer)) != -1) {
-                    zos.write(buffer, 0, bytesRead);
-                }
-                zos.closeEntry();
-            } finally {
-                fis.close();
-            }
-        }
-    }
+				byte[] buffer = new byte[4096];
+				int bytesRead;
+				while ((bytesRead = fis.read(buffer)) != -1)
+				{
+					zos.write(buffer, 0, bytesRead);
+				}
+				zos.closeEntry();
+			}
+			finally
+			{
+				Util.cleanClose(fis);
+			}
+		}
+	}
+
+	public static boolean unzipDirectory(File zipFile, File destination) {
+		ZipFile zip = null;
+		try
+		{
+			zip = new ZipFile(zipFile);
+			Enumeration<? extends ZipEntry> zipEntries = zip.entries();
+			while (zipEntries.hasMoreElements())
+			{
+				ZipEntry zipEntry = zipEntries.nextElement();
+				File newFile = new File(destination, zipEntry.getName());
+
+				//create sub directories
+				newFile.getParentFile().mkdirs();
+
+				if (!zipEntry.isDirectory())
+				{
+					FileOutputStream outputStream = null;
+					BufferedInputStream inputStream = null;
+					try
+					{
+						outputStream = new FileOutputStream(newFile);
+						inputStream = new BufferedInputStream(zip.getInputStream(zipEntry));
+						while (inputStream.available() > 0)
+						{
+							outputStream.write(inputStream.read());
+						}
+					}
+					finally
+					{
+						Util.cleanClose(outputStream);
+						Util.cleanClose(inputStream);
+					}
+				}
+
+			}
+			return true;
+		}
+		catch (ZipException e)
+		{
+			e.printStackTrace();
+		}
+		catch (IOException e)
+		{
+			e.printStackTrace();
+		}
+		finally
+		{
+			Util.cleanClose(zip);
+		}
+		return false;
+	}
 }