com.sun.faces.context.ContextParamUtils Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 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
*/
package com.sun.faces.context;
import javax.servlet.ServletContext;
/**
* A utility class for dealing with context-param entries.
*/
public class ContextParamUtils {
/**
* Constructor.
*/
private ContextParamUtils() {
// nothing to do here.
}
/**
* Get the value.
*
* @param servletContext the servlet context.
* @param contextParam the context-param.
* @return the value.
*/
public static Object getValue(ServletContext servletContext, ContextParam contextParam) {
Object result = contextParam.getDefaultValue();
if (servletContext.getInitParameter(contextParam.getName()) != null) {
if (contextParam.getType().equals(Boolean.class)) {
result = Boolean.valueOf(servletContext.getInitParameter(contextParam.getName()));
} else if (contextParam.getType().equals(Integer.class)) {
result = Integer.valueOf(servletContext.getInitParameter(contextParam.getName()));
}
}
return result;
}
/**
* Get the value.
*
* @param the type.
* @param servletContext the servlet context.
* @param contextParam the context-param.
* @param clazz the class.
* @return the value.
*/
public static T getValue(ServletContext servletContext, ContextParam contextParam, Class clazz) {
return (T) clazz.cast(getValue(servletContext, contextParam));
}
}