add UnzipUtils

mobile/src/main/java/cn/garymb/ygomobile/utils/UnzipUtils.java

+package cn.garymb.ygomobile.utils;
+
+import com.file.zip.ZipEntry;
+import com.file.zip.ZipFile;
+import com.file.zip.ZipOutputStream;
+import com.yuyh.library.imgsel.utils.LogUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.ZipInputStream;
+
+public class UnzipUtils {
+    public UnzipUtils(){
+    }
+    /**
+     * DeCompress the ZIP to the path
+     * @param zipFileString  name of ZIP
+     * @param outPathString   path to be unZIP
+     * @throws Exception
+     */
+    public static void unZipFolder(String zipFileString, String outPathString) throws Exception {
+        ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));
+        ZipEntry zipEntry;
+        String szName = "";
+        while ((zipEntry = (ZipEntry) inZip.getNextEntry()) != null) {
+            szName = zipEntry.getName();
+            if (zipEntry.isDirectory()) {
+                // get the folder name of the widget
+                szName = szName.substring(0, szName.length() - 1);
+                File folder = new File(outPathString + File.separator + szName);
+                folder.mkdirs();
+            } else {
+                File file = new File(outPathString + File.separator + szName);
+                file.createNewFile();
+                // get the output stream of the file
+                FileOutputStream out = new FileOutputStream(file);
+                int len;
+                byte[] buffer = new byte[1024];
+                // read (len) bytes into buffer
+                while ((len = inZip.read(buffer)) != -1) {
+                    // write (len) byte from buffer at the position 0
+                    out.write(buffer, 0, len);
+                    out.flush();
+                }
+                out.close();
+            }
+        }
+        LogUtils.e("解压成功!");
+        inZip.close();
+    }
+
+    /**
+     * Compress file and folder
+     * @param srcFileString   file or folder to be Compress
+     * @param zipFileString   the path name of result ZIP
+     * @throws Exception
+     */
+    public static void ZipFolder(String srcFileString, String zipFileString)throws Exception {
+        //create ZIP
+        ZipOutputStream outZip = new ZipOutputStream(new FileOutputStream(zipFileString));
+        //create the file
+        File file = new File(srcFileString);
+        //compress
+        ZipFiles(file.getParent()+File.separator, file.getName(), outZip);
+        //finish and close
+        outZip.finish();
+        outZip.close();
+    }
+
+    /**
+     * compress files
+     * @param folderString
+     * @param fileString
+     * @param zipOutputSteam
+     * @throws Exception
+     */
+    private static void ZipFiles(String folderString, String fileString, ZipOutputStream zipOutputSteam)throws Exception{
+        if(zipOutputSteam == null)
+            return;
+        File file = new File(folderString+fileString);
+        if (file.isFile()) {
+            ZipEntry zipEntry =  new ZipEntry(fileString);
+            FileInputStream inputStream = new FileInputStream(file);
+            zipOutputSteam.putNextEntry(zipEntry);
+            int len;
+            byte[] buffer = new byte[4096];
+            while((len=inputStream.read(buffer)) != -1)
+            {
+                zipOutputSteam.write(buffer, 0, len);
+            }
+            zipOutputSteam.closeEntry();
+        }
+        else {
+            //folder
+            String fileList[] = file.list();
+            //no child file and compress
+            if (fileList.length <= 0) {
+                ZipEntry zipEntry =  new ZipEntry(fileString+File.separator);
+                zipOutputSteam.putNextEntry(zipEntry);
+                zipOutputSteam.closeEntry();
+            }
+            //child files and recursion
+            for (int i = 0; i < fileList.length; i++) {
+                ZipFiles(folderString, fileString+java.io.File.separator+fileList[i], zipOutputSteam);
+            }//end of for
+        }
+    }
+
+    /**
+     * return the InputStream of file in the ZIP
+     * @param zipFileString  name of ZIP
+     * @param fileString     name of file in the ZIP
+     * @return InputStream
+     * @throws Exception
+     */
+    public static InputStream UpZip(String zipFileString, String fileString)throws Exception {
+        ZipFile zipFile = new ZipFile(zipFileString);
+        ZipEntry zipEntry = zipFile.getEntry(fileString);
+        return zipFile.getInputStream(zipEntry);
+    }
+
+    /**
+     * return files list(file and folder) in the ZIP
+     * @param zipFileString     ZIP name
+     * @param bContainFolder    contain folder or not
+     * @param bContainFile      contain file or not
+     * @return
+     * @throws Exception
+     */
+    public static List<File> GetFileList(String zipFileString, boolean bContainFolder, boolean bContainFile)throws Exception {
+        List<File> fileList = new ArrayList<File>();
+        ZipInputStream inZip = new ZipInputStream(new FileInputStream(zipFileString));
+        ZipEntry zipEntry;
+        String szName = "";
+        while ((zipEntry = (ZipEntry) inZip.getNextEntry()) != null) {
+            szName = zipEntry.getName();
+            if (zipEntry.isDirectory()) {
+                // get the folder name of the widget
+                szName = szName.substring(0, szName.length() - 1);
+                File folder = new File(szName);
+                if (bContainFolder) {
+                    fileList.add(folder);
+                }
+
+            } else {
+                File file = new File(szName);
+                if (bContainFile) {
+                    fileList.add(file);
+                }
+            }
+        }
+        inZip.close();
+        return fileList;
+    }
+}