/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.tobago.util;
import org.apache.myfaces.tobago.context.ClientProperties;
import javax.faces.application.Application;
import javax.faces.context.FacesContext;
import javax.faces.el.ValueBinding;
import javax.faces.el.VariableResolver;
/**
* @deprecated Please use VariableResolverUtils
*/
@Deprecated
public final class VariableResolverUtil {
private VariableResolverUtil() {
// utils class
}
/**
* Returns the requested object configured in the faces-config or from library.
*/
public static Object resolveVariable(FacesContext context, String variable) {
Application application = context.getApplication();
VariableResolver variableResolver = application.getVariableResolver();
return variableResolver.resolveVariable(context, variable);
}
/**
* Returns the ClientProperties object configured in the faces-config.
*/
public static ClientProperties resolveClientProperties(FacesContext facesContext) {
return (ClientProperties) resolveVariable(facesContext, ClientProperties.MANAGED_BEAN_NAME);
}
/**
* Clears the value of the variable.
* Useful for cleaning up e.g. a session or application variable
* to save memory without the knowledge of the scope.
* Also useful to enforce a new creation of a managed-bean.
*/
public static void clearVariable(FacesContext context, String variable) {
Application application = context.getApplication();
ValueBinding valueBinding = application.createValueBinding("#{" + variable + "}");
valueBinding.setValue(context, null);
}
}