package com.epam.wilma.properties.validation;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import com.epam.wilma.properties.InvalidPropertyException;
import com.epam.wilma.properties.PropertyHolder;
import com.epam.wilma.safeguard.configuration.domain.SafeguardLimits;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
* Validates safeguard limits that were introduced for protecting Wilma
* from performance problems.
*
* @author Tunde_Kovacs
* @author Tamas_Bihari
*/
@Component
public class SafeguardLimitValidator {
@Autowired
private PropertyHolder propertyHolder;
/**
* Validates the {@link SafeguardLimits} against each other.
* <ul>
* <li>FIOffLimit must be larger than FIOnLimit</li>
* <li>MWOnLimit must be larger than FIOnLimit</li>
* <li>MWOnLimit must be larger than FIOffLimit</li>
* <li>MWOffLimit must be larger than MWOnLimit</li>
* </ul>
*/
public void validate() {
Long fiOffLimit = propertyHolder.getLong("safeguard.responseFIdecoder.OFFlimit");
Long fiOnLimit = propertyHolder.getLong("safeguard.responseFIdecoder.ONlimit");
Long mwOffLimit = propertyHolder.getLong("safeguard.responseMessageWriter.OFFlimit");
Long mwOnLimit = propertyHolder.getLong("safeguard.responseMessageWriter.ONlimit");
String jmxPort = propertyHolder.get("com.sun.management.jmxremote.port");
checkLimits(new SafeguardLimits(fiOffLimit, fiOnLimit, mwOffLimit, mwOnLimit, jmxPort));
}
private void checkLimits(final SafeguardLimits limits) {
if (limits.hasNullField()) {
throw new InvalidPropertyException("Safeguard limit can't be null!");
} else if (limits.getFiOnLimit() > limits.getFiOffLimit()) {
throw new InvalidPropertyException("Safeguard fastinfoset decompression off limit must be greater than fastinfoset on limit!");
} else if (limits.getFiOnLimit() > limits.getMwOnLimit()) {
throw new InvalidPropertyException("Safeguard fastinfoset decompression on limit must be less than message writing on limit!");
} else if (limits.getFiOffLimit() > limits.getMwOffLimit()) {
throw new InvalidPropertyException("Safeguard fastinfoset decompression off limit must be less than message writing off limit!");
} else if (limits.getMwOnLimit() > limits.getMwOffLimit()) {
throw new InvalidPropertyException("Safeguard message writing on limit must be less than message writing off limit!");
} else if (limits.getJmxPort() != null) {
try {
Integer.parseInt(limits.getJmxPort());
} catch (NumberFormatException e) {
throw new InvalidPropertyException("Specified JMX port is unusable!");
}
}
}
}