org.voltdb.ParameterDeserializationPolicy Maven / Gradle / Ivy
/* This file is part of VoltDB.
* Copyright (C) 2008-2018 VoltDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with VoltDB. If not, see .
*/
package org.voltdb;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import org.voltdb.AuthSystem.AuthUser;
import org.voltdb.catalog.Procedure;
/**
* Check if the parameters of the sysproc can be deserialized successfully.
*/
public class ParameterDeserializationPolicy extends InvocationValidationPolicy {
public ParameterDeserializationPolicy(boolean isOn) {
super(isOn);
}
@Override
public ClientResponseImpl shouldAccept(AuthUser user,
StoredProcedureInvocation invocation,
Procedure proc) {
if (! proc.getSystemproc()) {
return null;
}
try {
invocation.getParams();
} catch (RuntimeException e) {
Writer result = new StringWriter();
PrintWriter pw = new PrintWriter(result);
e.printStackTrace(pw);
return new ClientResponseImpl(ClientResponseImpl.GRACEFUL_FAILURE,
new VoltTable[0],
"Exception while deserializing procedure params\n" +
result.toString(),
invocation.clientHandle);
}
return null;
}
}