Merge "Enhance exception message on SQLiteCantOpenDatabaseException" into... (c9caa181) · Commits · e / os / android_frameworks_base

core/java/android/database/sqlite/SQLiteCantOpenDatabaseException.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -22,4 +22,9 @@ public class SQLiteCantOpenDatabaseException extends SQLiteException {
		public SQLiteCantOpenDatabaseException(String error) {
		super(error);
		}

		/** @hide */
		public SQLiteCantOpenDatabaseException(String error, Throwable cause) {
		super(error, cause);
		}
		}

core/java/android/database/sqlite/SQLiteConnection.java

+23 −1

Original line number	Diff line number	Diff line
		@@ -36,6 +36,9 @@ import dalvik.system.CloseGuard;

		import java.io.File;
		import java.io.IOException;
		import java.nio.file.FileSystems;
		import java.nio.file.Files;
		import java.nio.file.Path;
		import java.text.SimpleDateFormat;
		import java.util.ArrayList;
		import java.util.Date;
		@@ -215,12 +218,31 @@ public final class SQLiteConnection implements CancellationSignal.OnCancelListen
		}

		private void open() {
		final String file = mConfiguration.path;
		final int cookie = mRecentOperations.beginOperation("open", null, null);
		try {
		mConnectionPtr = nativeOpen(mConfiguration.path, mConfiguration.openFlags,
		mConnectionPtr = nativeOpen(file, mConfiguration.openFlags,
		mConfiguration.label,
		NoPreloadHolder.DEBUG_SQL_STATEMENTS, NoPreloadHolder.DEBUG_SQL_TIME,
		mConfiguration.lookasideSlotSize, mConfiguration.lookasideSlotCount);
		} catch (SQLiteCantOpenDatabaseException e) {
		String message = String.format("Cannot open database '%s'", file);

		final Path path = FileSystems.getDefault().getPath(file);
		final Path dir = path.getParent();

		if (!Files.isDirectory(dir)) {
		message += ": Directory " + dir + " doesn't exist";
		} else if (!Files.exists(path)) {
		message += ": File " + path + " doesn't exist";
		} else if (!Files.isReadable(path)) {
		message += ": File " + path + " is not readable";
		} else if (Files.isDirectory(path)) {
		message += ": Path " + path + " is a directory";
		} else {
		message += ": Unknown reason";
		}
		throw new SQLiteCantOpenDatabaseException(message, e);
		} finally {
		mRecentOperations.endOperation(cookie);
		}