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ValidationFactory.java
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ValidationFactory.java
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/*
* Copyright (c) 2007, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
/*
* $Id$
*/
package com.sun.ts.tests.servlet.common.request;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Returns a ValidationStrategy instance used to validate a response against a
* particular WebTestCase
*
* @author Ryan Lubke
* @version %I%
*/
public class ValidationFactory {
private static final Logger LOGGER = LoggerFactory.getLogger(ValidationFactory.class);
/**
* Private constructor as all interaction with the class is through the
* getInstance() method.
*/
private ValidationFactory() {
}
/*
* public methods
* ========================================================================
*/
/**
* Returns a ValidationStrategy instance based on the available factory types.
*
* @param validator
* Validator instance to obtain
* @return a ValidationStrategy instance or null if the instance could not be
* obtained.
*/
public static ValidationStrategy getInstance(String validator) {
try {
Object o = Thread.currentThread().getContextClassLoader()
.loadClass(validator).getDeclaredConstructor().newInstance();
if (o instanceof ValidationStrategy) {
return (ValidationStrategy) o;
}
} catch (Throwable t) {
LOGGER.info("[ValidationFactory] Unable to obtain ValidationStrategy instance: {}", validator);
}
return null;
}
}