switch to alsa.omap3 module

[android_pandora.git] / apps / oi-filemanager / FileManager / src / org / openintents / filemanager / FileManagerProvider.java

package org.openintents.filemanager;\r
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import java.io.File;\r
import java.io.FileNotFoundException;\r
import java.io.IOException;\r
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import org.openintents.filemanager.util.MimeTypeParser;\r
import org.openintents.filemanager.util.MimeTypes;\r
import org.xmlpull.v1.XmlPullParserException;\r
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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
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public class FileManagerProvider extends ContentProvider {\r
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	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
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	@Override\r
	public boolean onCreate() {\r
		getMimeTypes();\r
		return true;\r
	}\r
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	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
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		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
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	@Override\r
	public int delete(Uri uri, String s, String[] as) {\r
		// not supported\r
		return 0;\r
	}\r
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	@Override\r
	public String getType(Uri uri) {\r
		// return file extension (uri.lastIndexOf("."))\r
		return mMimeTypes.getMimeType(uri.toString());\r
	}\r
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	@Override\r
	public Uri insert(Uri uri, ContentValues contentvalues) {\r
		// not supported\r
		return null;\r
	}\r
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	@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
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	@Override\r
	public int update(Uri uri, ContentValues contentvalues, String s, String[] as) {\r
		// not supported\r
		return 0;\r
	}\r
\r
}\r