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/*
 * Copyright 2009-2015 PrimeTek.
 *
 * 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.primefaces.context;

import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.context.FacesContextWrapper;

/**
 * Custom {@link FacesContextWrapper} to init and release our {@link RequestContext}.
 */
public class PrimeFacesContext extends FacesContextWrapper {

	private final FacesContext wrapped;
    private PrimeExternalContext externalContext;
	
	public PrimeFacesContext(FacesContext wrapped) {
		this.wrapped = wrapped;
		
		RequestContext.setCurrentInstance(new DefaultRequestContext(wrapped), wrapped);
	}

    @Override
    public ExternalContext getExternalContext() {
        if (externalContext == null) {
            externalContext = new PrimeExternalContext(wrapped.getExternalContext());
        }
        return externalContext;
    }
    
	@Override
	public FacesContext getWrapped() {
		return wrapped;
	}
	
	@Override
	public void release() {
		RequestContext.releaseThreadLocalCache();

		wrapped.release();
	}
}