+++ /dev/null
-/* \r
- * Copyright (C) 2007-2008 OpenIntents.org\r
- *\r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-\r
-package org.openintents.filemanager.util;\r
-\r
-import java.io.File;\r
-import java.lang.reflect.Method;\r
-import java.util.Date;\r
-import java.util.zip.ZipFile;\r
-\r
-import android.content.Context;\r
-import android.net.Uri;\r
-import android.provider.MediaStore.Audio;\r
-import android.provider.MediaStore.Video;\r
-import android.text.format.DateFormat;\r
-import android.text.format.Formatter;\r
-import android.util.Log;\r
-\r
-/**\r
- * @version 2009-07-03\r
- * \r
- * @author Peli\r
- *\r
- */\r
-public class FileUtils {\r
- \r
- /** TAG for log messages. */\r
- static final String TAG = "FileUtils";\r
- private static final int X_OK = 1;\r
- \r
- private static boolean libLoadSuccess;\r
- \r
- static {\r
- try {\r
- System.loadLibrary("access");\r
- libLoadSuccess = true;\r
- } catch(UnsatisfiedLinkError e) {\r
- libLoadSuccess = false;\r
- Log.d(TAG, "libaccess.so failed to load.");\r
- }\r
- }\r
-\r
- /**\r
- * use it to calculate file count in the directory recursively\r
- */\r
- private static int fileCount = 0;\r
-\r
- /**\r
- * Whether the filename is a video file.\r
- * \r
- * @param filename\r
- * @return\r
- *//*\r
- public static boolean isVideo(String filename) {\r
- String mimeType = getMimeType(filename);\r
- if (mimeType != null && mimeType.startsWith("video/")) {\r
- return true;\r
- } else {\r
- return false;\r
- }\r
- }*/\r
-\r
- /**\r
- * Whether the URI is a local one.\r
- * \r
- * @param uri\r
- * @return\r
- */\r
- public static boolean isLocal(String uri) {\r
- if (uri != null && !uri.startsWith("http://")) {\r
- return true;\r
- }\r
- return false;\r
- }\r
-\r
- /**\r
- * Gets the extension of a file name, like ".png" or ".jpg".\r
- * \r
- * @param uri\r
- * @return Extension including the dot("."); "" if there is no extension;\r
- * null if uri was null.\r
- */\r
- public static String getExtension(String uri) {\r
- if (uri == null) {\r
- return null;\r
- }\r
-\r
- int dot = uri.lastIndexOf(".");\r
- if (dot >= 0) {\r
- return uri.substring(dot);\r
- } else {\r
- // No extension.\r
- return "";\r
- }\r
- }\r
-\r
- /**\r
- * Returns true if uri is a media uri.\r
- * \r
- * @param uri\r
- * @return\r
- */\r
- public static boolean isMediaUri(String uri) {\r
- if (uri.startsWith(Audio.Media.INTERNAL_CONTENT_URI.toString())\r
- || uri.startsWith(Audio.Media.EXTERNAL_CONTENT_URI.toString())\r
- || uri.startsWith(Video.Media.INTERNAL_CONTENT_URI.toString())\r
- || uri.startsWith(Video.Media.EXTERNAL_CONTENT_URI.toString())) {\r
- return true;\r
- } else {\r
- return false;\r
- }\r
- }\r
- \r
- /**\r
- * Convert File into Uri.\r
- * @param file\r
- * @return uri\r
- */\r
- public static Uri getUri(File file) {\r
- if (file != null) {\r
- return Uri.fromFile(file);\r
- }\r
- return null;\r
- }\r
- \r
- /**\r
- * Convert Uri into File.\r
- * @param uri\r
- * @return file\r
- */\r
- public static File getFile(Uri uri) {\r
- if (uri != null) {\r
- String filepath = uri.getPath();\r
- if (filepath != null) {\r
- return new File(filepath);\r
- }\r
- }\r
- return null;\r
- }\r
- \r
- /**\r
- * Returns the path only (without file name).\r
- * @param file\r
- * @return\r
- */\r
- public static File getPathWithoutFilename(File file) {\r
- if (file != null) {\r
- if (file.isDirectory()) {\r
- // no file to be split off. Return everything\r
- return file;\r
- } else {\r
- String filename = file.getName();\r
- String filepath = file.getAbsolutePath();\r
- \r
- // Construct path without file name.\r
- String pathwithoutname = filepath.substring(0, filepath.length() - filename.length());\r
- if (pathwithoutname.endsWith("/")) {\r
- pathwithoutname = pathwithoutname.substring(0, pathwithoutname.length() - 1);\r
- }\r
- return new File(pathwithoutname);\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- /**\r
- * Constructs a file from a path and file name.\r
- * \r
- * @param curdir\r
- * @param file\r
- * @return\r
- */\r
- public static File getFile(String curdir, String file) {\r
- String separator = "/";\r
- if (curdir.endsWith("/")) {\r
- separator = "";\r
- }\r
- File clickedFile = new File(curdir + separator\r
- + file);\r
- return clickedFile;\r
- }\r
- \r
- public static File getFile(File curdir, String file) {\r
- return getFile(curdir.getAbsolutePath(), file);\r
- }\r
- \r
- public static String formatSize(Context context, long sizeInBytes) {\r
- return Formatter.formatFileSize(context, sizeInBytes);\r
- }\r
- \r
- public static String formatDate(Context context, long dateTime) {\r
- return DateFormat.getDateFormat(context).format(new Date(dateTime));\r
- }\r
-\r
- public static int getFileCount(File file){\r
- fileCount = 0;\r
- calculateFileCount(file);\r
- return fileCount;\r
- }\r
-\r
- /**\r
- * @param f - file which need be checked\r
- * @return if is archive - returns true othewise\r
- */\r
- public static boolean checkIfZipArchive(File f){\r
- try {\r
- new ZipFile(f);\r
- return true;\r
- } catch (Exception e){\r
- return false;\r
- }\r
- }\r
-\r
- private static void calculateFileCount(File file){\r
- if (!file.isDirectory()){\r
- fileCount++;\r
- return;\r
- }\r
- if (file.list() == null){\r
- return;\r
- }\r
- for (String fileName: file.list()){\r
- File f = new File(file.getAbsolutePath()+File.separator+fileName);\r
- calculateFileCount(f);\r
- }\r
- } \r
- \r
- /**\r
- * Native helper method, returns whether the current process has execute privilages.\r
- * @param a File\r
- * @return returns TRUE if the current process has execute privilages.\r
- */\r
- public static boolean canExecute(File mContextFile) {\r
- try {\r
- // File.canExecute() was introduced in API 9. If it doesn't exist, then\r
- // this will throw an exception and the NDK version will be used.\r
- Method m = File.class.getMethod("canExecute", new Class[] {} );\r
- Boolean result=(Boolean)m.invoke(mContextFile);\r
- return result;\r
- } catch (Exception e) {\r
- if(libLoadSuccess){\r
- return access(mContextFile.getPath(), X_OK);\r
- } else {\r
- return false;\r
- }\r
- }\r
- }\r
- \r
- // Native interface to unistd.h's access(*char, int) method.\r
- public static native boolean access(String path, int mode);\r
-}\r
notaz.gp2x.de / android_pandora.git / blobdiff