com.github.javarch.jsf.context.FacesContextUtils.java Source code

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Here is the source code for com.github.javarch.jsf.context.FacesContextUtils.java

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/*
* Copyright 2011 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 com.github.javarch.jsf.context;

import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.context.Flash;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Component;

@Component
public class FacesContextUtils {

    /**
     * Obtm o FacesContext.
     * 
     * @return
     */
    public FacesContext getFacesContext() {
        return FacesContext.getCurrentInstance();
    }

    /**
     * Obtm o ExternalContext
     * @return
     */
    public ExternalContext getExternalContext() {
        return getFacesContext().getExternalContext();
    }

    /**
     * Obtm o FlashScope
     * @return
     */
    public Flash getFlashScope() {
        return getExternalContext().getFlash();
    }

    /**
     * Obtm um objeto HttpServletRequest associado a requisio atual.
     * 
     * @return
     */
    public HttpServletRequest getRequest() {
        return (HttpServletRequest) getExternalContext().getRequest();
    }

    /**
     * Obtm um objeto HttpServletResponse associado a resposta atual.
     * 
     * @return
     */
    public HttpServletResponse getResponse() {
        return (HttpServletResponse) getExternalContext().getResponse();
    }

    public Object resolveExpression(String elExpression) {
        return null;
    }

    /**
     * Retorna o caminho da aplicao, incluindo protocolo http.
     * 
     * @return Caminho da aplicao
     */
    public String getApplicationPath() {
        HttpServletRequest request = getRequest();
        return request.getScheme() + "://" + request.getServerName()
                + (request.getServerPort() != 80 ? ":" + request.getServerPort() : "") + request.getContextPath();
    }
}