use of android.database.sqlite.SQLiteException in project newsrob by marianokamp.
the class SQLiteOpenHelper method getWritableDatabase.
/**
* Create and/or open a database that will be used for reading and writing.
* Once opened successfully, the database is cached, so you can call this
* method every time you need to write to the database. Make sure to call
* {@link #close} when you no longer need it.
*
* <p>
* Errors such as bad permissions or a full disk may cause this operation to
* fail, but future attempts may succeed if the problem is fixed.
* </p>
*
* @throws SQLiteException
* if the database cannot be opened for writing
* @return a read/write database object valid until {@link #close} is called
*/
public synchronized SQLiteDatabase getWritableDatabase() {
if (mDatabase != null && mDatabase.isOpen() && !mDatabase.isReadOnly()) {
// The database is already open for business
return mDatabase;
}
if (mIsInitializing) {
throw new IllegalStateException("getWritableDatabase called recursively");
}
// If we have a read-only database open, someone could be using it
// (though they shouldn't), which would cause a lock to be held on
// the file, and our attempts to open the database read-write would
// fail waiting for the file lock. To prevent that, we acquire the
// lock on the read-only database, which shuts out other users.
boolean success = false;
SQLiteDatabase db = null;
try {
mIsInitializing = true;
if (mName == null) {
db = SQLiteDatabase.create(null);
} else {
if (mPath != null)
db = SQLiteDatabase.openOrCreateDatabase(new File(mPath, mName), mFactory);
else
db = mContext.openOrCreateDatabase(mName, 0, mFactory);
}
int version = db.getVersion();
if (version != mNewVersion) {
db.beginTransaction();
try {
if (version == 0) {
onCreate(db);
} else {
onUpgrade(db, version, mNewVersion);
}
db.setVersion(mNewVersion);
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
}
onOpen(db);
success = true;
return db;
} finally {
mIsInitializing = false;
if (success) {
if (mDatabase != null) {
try {
mDatabase.close();
} catch (Exception e) {
}
}
mDatabase = db;
} else {
if (db != null)
db.close();
}
}
}
use of android.database.sqlite.SQLiteException in project android_frameworks_base by DirtyUnicorns.
the class SyncStorageEngine method readAndDeleteLegacyAccountInfoLocked.
/**
* Load sync engine state from the old syncmanager database, and then
* erase it. Note that we don't deal with pending operations, active
* sync, or history.
*/
private void readAndDeleteLegacyAccountInfoLocked() {
// Look for old database to initialize from.
File file = mContext.getDatabasePath("syncmanager.db");
if (!file.exists()) {
return;
}
String path = file.getPath();
SQLiteDatabase db = null;
try {
db = SQLiteDatabase.openDatabase(path, null, SQLiteDatabase.OPEN_READONLY);
} catch (SQLiteException e) {
}
if (db != null) {
final boolean hasType = db.getVersion() >= 11;
// Copy in all of the status information, as well as accounts.
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Reading legacy sync accounts db");
}
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
qb.setTables("stats, status");
HashMap<String, String> map = new HashMap<String, String>();
map.put("_id", "status._id as _id");
map.put("account", "stats.account as account");
if (hasType) {
map.put("account_type", "stats.account_type as account_type");
}
map.put("authority", "stats.authority as authority");
map.put("totalElapsedTime", "totalElapsedTime");
map.put("numSyncs", "numSyncs");
map.put("numSourceLocal", "numSourceLocal");
map.put("numSourcePoll", "numSourcePoll");
map.put("numSourceServer", "numSourceServer");
map.put("numSourceUser", "numSourceUser");
map.put("lastSuccessSource", "lastSuccessSource");
map.put("lastSuccessTime", "lastSuccessTime");
map.put("lastFailureSource", "lastFailureSource");
map.put("lastFailureTime", "lastFailureTime");
map.put("lastFailureMesg", "lastFailureMesg");
map.put("pending", "pending");
qb.setProjectionMap(map);
qb.appendWhere("stats._id = status.stats_id");
Cursor c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String accountName = c.getString(c.getColumnIndex("account"));
String accountType = hasType ? c.getString(c.getColumnIndex("account_type")) : null;
if (accountType == null) {
accountType = "com.google";
}
String authorityName = c.getString(c.getColumnIndex("authority"));
AuthorityInfo authority = this.getOrCreateAuthorityLocked(new EndPoint(new Account(accountName, accountType), authorityName, 0), -1, false);
if (authority != null) {
int i = mSyncStatus.size();
boolean found = false;
SyncStatusInfo st = null;
while (i > 0) {
i--;
st = mSyncStatus.valueAt(i);
if (st.authorityId == authority.ident) {
found = true;
break;
}
}
if (!found) {
st = new SyncStatusInfo(authority.ident);
mSyncStatus.put(authority.ident, st);
}
st.totalElapsedTime = getLongColumn(c, "totalElapsedTime");
st.numSyncs = getIntColumn(c, "numSyncs");
st.numSourceLocal = getIntColumn(c, "numSourceLocal");
st.numSourcePoll = getIntColumn(c, "numSourcePoll");
st.numSourceServer = getIntColumn(c, "numSourceServer");
st.numSourceUser = getIntColumn(c, "numSourceUser");
st.numSourcePeriodic = 0;
st.lastSuccessSource = getIntColumn(c, "lastSuccessSource");
st.lastSuccessTime = getLongColumn(c, "lastSuccessTime");
st.lastFailureSource = getIntColumn(c, "lastFailureSource");
st.lastFailureTime = getLongColumn(c, "lastFailureTime");
st.lastFailureMesg = c.getString(c.getColumnIndex("lastFailureMesg"));
st.pending = getIntColumn(c, "pending") != 0;
}
}
c.close();
// Retrieve the settings.
qb = new SQLiteQueryBuilder();
qb.setTables("settings");
c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String name = c.getString(c.getColumnIndex("name"));
String value = c.getString(c.getColumnIndex("value"));
if (name == null)
continue;
if (name.equals("listen_for_tickles")) {
setMasterSyncAutomatically(value == null || Boolean.parseBoolean(value), 0);
} else if (name.startsWith("sync_provider_")) {
String provider = name.substring("sync_provider_".length(), name.length());
int i = mAuthorities.size();
while (i > 0) {
i--;
AuthorityInfo authority = mAuthorities.valueAt(i);
if (authority.target.provider.equals(provider)) {
authority.enabled = value == null || Boolean.parseBoolean(value);
authority.syncable = 1;
}
}
}
}
c.close();
db.close();
(new File(path)).delete();
}
}
use of android.database.sqlite.SQLiteException in project weex-example by KalicyZhou.
the class HistoryManager method trimHistory.
public void trimHistory() {
SQLiteOpenHelper helper = new DBHelper(activity);
SQLiteDatabase db = null;
Cursor cursor = null;
try {
db = helper.getWritableDatabase();
cursor = db.query(DBHelper.TABLE_NAME, ID_COL_PROJECTION, null, null, null, null, DBHelper.TIMESTAMP_COL + " DESC");
cursor.move(MAX_ITEMS);
while (cursor.moveToNext()) {
String id = cursor.getString(0);
Log.i(TAG, "Deleting scan history ID " + id);
db.delete(DBHelper.TABLE_NAME, DBHelper.ID_COL + '=' + id, null);
}
} catch (SQLiteException sqle) {
// We're seeing an error here when called in CaptureActivity.onCreate() in rare cases
// and don't understand it. First theory is that it's transient so can be safely ignored.
Log.w(TAG, sqle);
// continue
} finally {
close(cursor, db);
}
}
use of android.database.sqlite.SQLiteException in project android_frameworks_base by ResurrectionRemix.
the class DatabaseErrorHandlerTest method testDatabaseIsCorrupt.
public void testDatabaseIsCorrupt() throws IOException {
mDatabase.execSQL("create table t (i int);");
// write junk into the database file
BufferedWriter writer = new BufferedWriter(new FileWriter(mDatabaseFile.getPath()));
writer.write("blah");
writer.close();
assertTrue(mDatabaseFile.exists());
// should trigger call to MyDatabaseCorruptionHandler.onCorruption
try {
mDatabase.execSQL("select * from t;");
fail("expected exception");
} catch (SQLiteDiskIOException e) {
// expected
if (mDatabaseFile.exists()) {
mDatabaseFile.delete();
}
} catch (SQLiteException e) {
}
// database file should be gone
assertFalse(mDatabaseFile.exists());
// after corruption handler is called, the database file should be free of
// database corruption
SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabase(mDatabaseFile.getPath(), null, new MyDatabaseCorruptionHandler());
assertTrue(db.isDatabaseIntegrityOk());
}
use of android.database.sqlite.SQLiteException in project android_frameworks_base by ResurrectionRemix.
the class SyncStorageEngine method readAndDeleteLegacyAccountInfoLocked.
/**
* Load sync engine state from the old syncmanager database, and then
* erase it. Note that we don't deal with pending operations, active
* sync, or history.
*/
private void readAndDeleteLegacyAccountInfoLocked() {
// Look for old database to initialize from.
File file = mContext.getDatabasePath("syncmanager.db");
if (!file.exists()) {
return;
}
String path = file.getPath();
SQLiteDatabase db = null;
try {
db = SQLiteDatabase.openDatabase(path, null, SQLiteDatabase.OPEN_READONLY);
} catch (SQLiteException e) {
}
if (db != null) {
final boolean hasType = db.getVersion() >= 11;
// Copy in all of the status information, as well as accounts.
if (Log.isLoggable(TAG_FILE, Log.VERBOSE)) {
Slog.v(TAG_FILE, "Reading legacy sync accounts db");
}
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
qb.setTables("stats, status");
HashMap<String, String> map = new HashMap<String, String>();
map.put("_id", "status._id as _id");
map.put("account", "stats.account as account");
if (hasType) {
map.put("account_type", "stats.account_type as account_type");
}
map.put("authority", "stats.authority as authority");
map.put("totalElapsedTime", "totalElapsedTime");
map.put("numSyncs", "numSyncs");
map.put("numSourceLocal", "numSourceLocal");
map.put("numSourcePoll", "numSourcePoll");
map.put("numSourceServer", "numSourceServer");
map.put("numSourceUser", "numSourceUser");
map.put("lastSuccessSource", "lastSuccessSource");
map.put("lastSuccessTime", "lastSuccessTime");
map.put("lastFailureSource", "lastFailureSource");
map.put("lastFailureTime", "lastFailureTime");
map.put("lastFailureMesg", "lastFailureMesg");
map.put("pending", "pending");
qb.setProjectionMap(map);
qb.appendWhere("stats._id = status.stats_id");
Cursor c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String accountName = c.getString(c.getColumnIndex("account"));
String accountType = hasType ? c.getString(c.getColumnIndex("account_type")) : null;
if (accountType == null) {
accountType = "com.google";
}
String authorityName = c.getString(c.getColumnIndex("authority"));
AuthorityInfo authority = this.getOrCreateAuthorityLocked(new EndPoint(new Account(accountName, accountType), authorityName, 0), -1, false);
if (authority != null) {
int i = mSyncStatus.size();
boolean found = false;
SyncStatusInfo st = null;
while (i > 0) {
i--;
st = mSyncStatus.valueAt(i);
if (st.authorityId == authority.ident) {
found = true;
break;
}
}
if (!found) {
st = new SyncStatusInfo(authority.ident);
mSyncStatus.put(authority.ident, st);
}
st.totalElapsedTime = getLongColumn(c, "totalElapsedTime");
st.numSyncs = getIntColumn(c, "numSyncs");
st.numSourceLocal = getIntColumn(c, "numSourceLocal");
st.numSourcePoll = getIntColumn(c, "numSourcePoll");
st.numSourceServer = getIntColumn(c, "numSourceServer");
st.numSourceUser = getIntColumn(c, "numSourceUser");
st.numSourcePeriodic = 0;
st.lastSuccessSource = getIntColumn(c, "lastSuccessSource");
st.lastSuccessTime = getLongColumn(c, "lastSuccessTime");
st.lastFailureSource = getIntColumn(c, "lastFailureSource");
st.lastFailureTime = getLongColumn(c, "lastFailureTime");
st.lastFailureMesg = c.getString(c.getColumnIndex("lastFailureMesg"));
st.pending = getIntColumn(c, "pending") != 0;
}
}
c.close();
// Retrieve the settings.
qb = new SQLiteQueryBuilder();
qb.setTables("settings");
c = qb.query(db, null, null, null, null, null, null);
while (c.moveToNext()) {
String name = c.getString(c.getColumnIndex("name"));
String value = c.getString(c.getColumnIndex("value"));
if (name == null)
continue;
if (name.equals("listen_for_tickles")) {
setMasterSyncAutomatically(value == null || Boolean.parseBoolean(value), 0);
} else if (name.startsWith("sync_provider_")) {
String provider = name.substring("sync_provider_".length(), name.length());
int i = mAuthorities.size();
while (i > 0) {
i--;
AuthorityInfo authority = mAuthorities.valueAt(i);
if (authority.target.provider.equals(provider)) {
authority.enabled = value == null || Boolean.parseBoolean(value);
authority.syncable = 1;
}
}
}
}
c.close();
db.close();
(new File(path)).delete();
}
}
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