org.springframework.faces.webflow.FlowVariableResolver Maven / Gradle / Ivy
/*
* Copyright 2004-2008 the original author or authors.
*
* Licensed 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.springframework.faces.webflow;
import javax.el.CompositeELResolver;
import javax.faces.el.VariableResolver;
import org.springframework.faces.expression.ELDelegatingVariableResolver;
import org.springframework.webflow.expression.el.FlowResourceELResolver;
import org.springframework.webflow.expression.el.ImplicitFlowVariableELResolver;
import org.springframework.webflow.expression.el.RequestContextELResolver;
import org.springframework.webflow.expression.el.ScopeSearchingELResolver;
/**
* Custom variabe resolver for resolving properties on web flow specific variables with JSF 1.1 or > by delegating to
* web flow's EL resolvers.
*
* @author Jeremy Grelle
*/
public class FlowVariableResolver extends ELDelegatingVariableResolver {
private static final CompositeELResolver composite = new CompositeELResolver();
static {
composite.add(new RequestContextELResolver());
composite.add(new ImplicitFlowVariableELResolver());
composite.add(new FlowResourceELResolver());
composite.add(new ScopeSearchingELResolver());
}
public FlowVariableResolver(VariableResolver nextResolver) {
super(nextResolver, composite);
}
}