PortletRenderKitImpl.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.portletbridge.renderkit.portlet;

import org.jboss.portletbridge.bridge.context.BridgeContext;
import org.jboss.portletbridge.renderkit.portlet.jsf2_0.Jsf20PortletPartialResponseWriter;

import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.PartialViewContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.RenderKit;
import javax.faces.render.RenderKitWrapper;
import javax.faces.render.Renderer;
import java.io.Writer;

/**
 * Override the {@link ResponseWriter} returned when we're processing a partial request.
 *
 * @author <a href="http://community.jboss.org/people/kenfinni">Ken Finnigan</a>
 */
public class PortletRenderKitImpl extends RenderKitWrapper {

    private RenderKit wrappedRenderKit;
    private Boolean isJsf22Runtime;

    public PortletRenderKitImpl(RenderKit parent) {
        this.wrappedRenderKit = parent;
    }

    @Override
    public RenderKit getWrapped() {
        return wrappedRenderKit;
    }

    @Override
    public ResponseWriter createResponseWriter(Writer writer, String contentTypeList, String characterEncoding) {
        if (isJsf22Runtime == null) {
            this.isJsf22Runtime = BridgeContext.getCurrentInstance().getBridgeConfig().isJsf22Runtime();
        }

        PartialViewContext partialViewContext = FacesContext.getCurrentInstance().getPartialViewContext();
        boolean isPartialRequest = partialViewContext.isPartialRequest();

        ResponseWriter wrappedWriter = getWrapped().createResponseWriter(writer, contentTypeList, characterEncoding);

        if (isPartialRequest) {
            if (!isJsf22Runtime) {
                return new Jsf20PortletPartialResponseWriter(wrappedWriter);
            }

            return new Jsf22PortletPartialResponseWriter(wrappedWriter);
        } else {
            return wrappedWriter;
        }
    }

    @Override
    public Renderer getRenderer(String family, String rendererType) {
        Renderer renderer = super.getRenderer(family, rendererType);

        if (UIOutput.COMPONENT_FAMILY.equals(family) &&
                ("javax.faces.resource.Script".equals(rendererType) || "javax.faces.resource.Stylesheet".equals(rendererType))) {
            renderer = new PortletScriptRenderer(renderer);
        }

        return renderer;
    }
}