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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ChangeVersionWrapper.h"
#if ENABLE(DATABASE)
#include "Database.h"
#include "SQLError.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
namespace WebCore {
ChangeVersionWrapper::ChangeVersionWrapper(const String& oldVersion, const String& newVersion)
: m_oldVersion(oldVersion.crossThreadString())
, m_newVersion(newVersion.crossThreadString())
{
}
bool ChangeVersionWrapper::performPreflight(SQLTransaction* transaction)
{
ASSERT(transaction && transaction->database());
String actualVersion;
if (!transaction->database()->getVersionFromDatabase(actualVersion)) {
LOG_ERROR("Unable to retrieve actual current version from database");
m_sqlError = SQLError::create(SQLError::UNKNOWN_ERR, "unable to verify current version of database");
return false;
}
if (actualVersion != m_oldVersion) {
LOG_ERROR("Old version doesn't match actual version");
m_sqlError = SQLError::create(SQLError::VERSION_ERR, "current version of the database and `oldVersion` argument do not match");
return false;
}
return true;
}
bool ChangeVersionWrapper::performPostflight(SQLTransaction* transaction)
{
ASSERT(transaction && transaction->database());
if (!transaction->database()->setVersionInDatabase(m_newVersion)) {
LOG_ERROR("Unable to set new version in database");
m_sqlError = SQLError::create(SQLError::UNKNOWN_ERR, "unable to set new version in database");
return false;
}
transaction->database()->setExpectedVersion(m_newVersion);
return true;
}
} // namespace WebCore
#endif // ENABLE(DATABASE)
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