--- /dev/null
+package org.openintents.filemanager;\r
+\r
+import java.io.File;\r
+import java.io.FileNotFoundException;\r
+import java.io.IOException;\r
+\r
+import org.openintents.filemanager.util.MimeTypeParser;\r
+import org.openintents.filemanager.util.MimeTypes;\r
+import org.xmlpull.v1.XmlPullParserException;\r
+\r
+import android.content.ContentProvider;\r
+import android.content.ContentValues;\r
+import android.content.Context;\r
+import android.content.pm.PackageManager.NameNotFoundException;\r
+import android.content.res.XmlResourceParser;\r
+import android.database.Cursor;\r
+import android.database.MatrixCursor;\r
+import android.net.Uri;\r
+import android.os.ParcelFileDescriptor;\r
+import android.provider.MediaStore;\r
+import android.util.Log;\r
+\r
+public class FileManagerProvider extends ContentProvider {\r
+\r
+ static final String FILE_PROVIDER_PREFIX = "content://org.openintents.filemanager";\r
+ private static final String TAG = "FileManagerProvider";\r
+ public static final String AUTHORITY = "org.openintents.filemanager";\r
+ private MimeTypes mMimeTypes;\r
+\r
+ @Override\r
+ public boolean onCreate() {\r
+ getMimeTypes();\r
+ return true;\r
+ }\r
+\r
+ private void getMimeTypes() {\r
+ Context ctx = getContext();\r
+ MimeTypeParser mtp = null;\r
+ try {\r
+ mtp = new MimeTypeParser(ctx, ctx.getPackageName());\r
+ } catch (NameNotFoundException e) {\r
+ //Should never get here\r
+ }\r
+ XmlResourceParser in = \r
+ getContext().getResources().getXml(R.xml.mimetypes);\r
+\r
+ try {\r
+ mMimeTypes = mtp.fromXmlResource(in);\r
+ } catch (XmlPullParserException e) {\r
+ Log.e(TAG, "PreselectedChannelsActivity: XmlPullParserException", e);\r
+ throw new RuntimeException(\r
+ "PreselectedChannelsActivity: XmlPullParserException");\r
+ } catch (IOException e) {\r
+ Log.e(TAG, "PreselectedChannelsActivity: IOException", e);\r
+ throw new RuntimeException(\r
+ "PreselectedChannelsActivity: IOException");\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public int delete(Uri uri, String s, String[] as) {\r
+ // not supported\r
+ return 0;\r
+ }\r
+\r
+ @Override\r
+ public String getType(Uri uri) {\r
+ // return file extension (uri.lastIndexOf("."))\r
+ return mMimeTypes.getMimeType(uri.toString());\r
+ }\r
+\r
+ @Override\r
+ public Uri insert(Uri uri, ContentValues contentvalues) {\r
+ // not supported\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public Cursor query(Uri uri, String[] projection, String s, \r
+ String[] as1, String s1) {\r
+ if (uri.toString().startsWith(FILE_PROVIDER_PREFIX)) {\r
+ if (projection == null || projection.length == 0) {\r
+ // Standard projection including all supported rows\r
+ projection = new String [] {\r
+ MediaStore.MediaColumns.DATA,\r
+ MediaStore.MediaColumns.MIME_TYPE,\r
+ MediaStore.MediaColumns.DISPLAY_NAME,\r
+ MediaStore.MediaColumns.SIZE};\r
+ } \r
+ \r
+ MatrixCursor c = new MatrixCursor(projection);\r
+ MatrixCursor.RowBuilder row = c.newRow();\r
+ \r
+ // data = absolute path to file\r
+ String data = uri.getPath();\r
+ \r
+ int fromIndex = data.lastIndexOf(File.separatorChar) + 1;\r
+ if (fromIndex >= data.length()) {\r
+ // Last character was '/' or data is empty, so no file name \r
+ // was specified and we don't want to raise an \r
+ // IndexOutOfBoundsException\r
+ throw new RuntimeException("No file name specified: ".concat(data));\r
+ }\r
+ \r
+ // According to Android docs, DISPLAY_NAME should be\r
+ // the last segment of Uri\r
+ String displayName = \r
+ (fromIndex > 0) ? data.substring(fromIndex) : data;\r
+ \r
+ String mimeType = mMimeTypes.getMimeType(data);\r
+ \r
+ long size = -1;\r
+ File file = new File(data); \r
+ if (file.exists() && file.isFile()) {\r
+ size = file.length();\r
+ }\r
+ \r
+ for (String col : projection) {\r
+ if (col.equals(MediaStore.MediaColumns.DATA)) {\r
+ row.add(data);\r
+ } else if (col.equals(MediaStore.MediaColumns.MIME_TYPE)) {\r
+ row.add(mimeType);\r
+ } else if (col.equals(MediaStore.MediaColumns.DISPLAY_NAME)) {\r
+ row.add(displayName);\r
+ } else if (col.equals(MediaStore.MediaColumns.SIZE)) {\r
+ if (size >= 0)\r
+ row.add(size);\r
+ else {\r
+ // According to Android docs for unknown size.\r
+ // Standard getLong() won't throw exception and\r
+ // value will be 0.\r
+ row.add(null);\r
+ }\r
+ } else {\r
+ // Unsupported or unknown columns are filled up with null\r
+ row.add(null);\r
+ }\r
+ }\r
+ \r
+ return c;\r
+ } else {\r
+ throw new RuntimeException("Unsupported uri");\r
+ }\r
+ }\r
+ \r
+ @Override\r
+ public ParcelFileDescriptor openFile(Uri uri, String mode)\r
+ throws FileNotFoundException {\r
+ if (uri.toString().startsWith(FILE_PROVIDER_PREFIX)) {\r
+ int m = ParcelFileDescriptor.MODE_READ_ONLY;\r
+ if (mode.equalsIgnoreCase("rw"))\r
+ m = ParcelFileDescriptor.MODE_READ_WRITE;\r
+ File f = new File(uri.getPath());\r
+ ParcelFileDescriptor pfd = ParcelFileDescriptor.open(f, m);\r
+ return pfd;\r
+ } else {\r
+ throw new FileNotFoundException ("Unsupported uri: " + uri.toString());\r
+ }\r
+ }\r
+\r
+ @Override\r
+ public int update(Uri uri, ContentValues contentvalues, String s, String[] as) {\r
+ // not supported\r
+ return 0;\r
+ }\r
+\r
+}\r
notaz.gp2x.de / android_pandora.git / blobdiff