1/* 2 * Copyright (C) 2007, 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28#include "config.h" 29#include "SQLStatement.h" 30 31#if ENABLE(SQL_DATABASE) 32 33#include "AbstractDatabaseServer.h" 34#include "AbstractSQLStatementBackend.h" 35#include "Database.h" 36#include "DatabaseManager.h" 37#include "Logging.h" 38#include "SQLStatementCallback.h" 39#include "SQLStatementErrorCallback.h" 40#include "SQLTransaction.h" 41#include "SQLValue.h" 42#include "SQLiteDatabase.h" 43#include "SQLiteStatement.h" 44#include <wtf/text/CString.h> 45 46namespace WebCore { 47 48PassOwnPtr<SQLStatement> SQLStatement::create(Database* database, 49 PassRefPtr<SQLStatementCallback> callback, PassRefPtr<SQLStatementErrorCallback> errorCallback) 50{ 51 return adoptPtr(new SQLStatement(database, callback, errorCallback)); 52} 53 54SQLStatement::SQLStatement(Database* database, PassRefPtr<SQLStatementCallback> callback, 55 PassRefPtr<SQLStatementErrorCallback> errorCallback) 56 : m_statementCallbackWrapper(callback, database->scriptExecutionContext()) 57 , m_statementErrorCallbackWrapper(errorCallback, database->scriptExecutionContext()) 58{ 59} 60 61void SQLStatement::setBackend(AbstractSQLStatementBackend* backend) 62{ 63 m_backend = backend; 64} 65 66bool SQLStatement::hasCallback() 67{ 68 return m_statementCallbackWrapper.hasCallback(); 69} 70 71bool SQLStatement::hasErrorCallback() 72{ 73 return m_statementErrorCallbackWrapper.hasCallback(); 74} 75 76bool SQLStatement::performCallback(SQLTransaction* transaction) 77{ 78 ASSERT(transaction); 79 ASSERT(m_backend); 80 81 bool callbackError = false; 82 83 RefPtr<SQLStatementCallback> callback = m_statementCallbackWrapper.unwrap(); 84 RefPtr<SQLStatementErrorCallback> errorCallback = m_statementErrorCallbackWrapper.unwrap(); 85 RefPtr<SQLError> error = m_backend->sqlError(); 86 87 // Call the appropriate statement callback and track if it resulted in an error, 88 // because then we need to jump to the transaction error callback. 89 if (error) { 90 if (errorCallback) 91 callbackError = errorCallback->handleEvent(transaction, error.get()); 92 } else if (callback) { 93 RefPtr<SQLResultSet> resultSet = m_backend->sqlResultSet(); 94 callbackError = !callback->handleEvent(transaction, resultSet.get()); 95 } 96 97 return callbackError; 98} 99 100} // namespace WebCore 101 102#endif // ENABLE(SQL_DATABASE) 103