test12/src/main/java/org/apache/myfaces/test/mock/MockViewHandler.java

/*
 * 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.test.mock;

import java.util.Locale;

import javax.faces.application.ViewHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;
import javax.faces.render.RenderKitFactory;

/**
 * <p>Mock implementation of <code>ViewHandler</code>.</p>
 *
 * $Id$
 * @since 1.0.0
 */

public class MockViewHandler extends ViewHandler
{

    // ------------------------------------------------------------ Constructors

    /**
     * <p>Construct a default instance.</p>
     */
    public MockViewHandler()
    {
    }

    // ----------------------------------------------------- Mock Object Methods

    // ------------------------------------------------------ Instance Variables

    // ----------------------------------------------------- ViewHandler Methods

    /** {@inheritDoc} */
    public Locale calculateLocale(FacesContext context)
    {

        Locale locale = context.getApplication().getDefaultLocale();
        if (locale == null)
        {
            locale = Locale.getDefault();
        }
        return locale;

    }

    /** {@inheritDoc} */
    public String calculateRenderKitId(FacesContext context)
    {

        String renderKitId = context.getApplication().getDefaultRenderKitId();
        if (renderKitId == null)
        {
            renderKitId = RenderKitFactory.HTML_BASIC_RENDER_KIT;
        }
        return renderKitId;

    }

    /** {@inheritDoc} */
    public UIViewRoot createView(FacesContext context, String viewId)
    {

        // Save locale and renderKitId from previous view (if any), per spec
        Locale locale = null;
        String renderKitId = null;
        if (context.getViewRoot() != null)
        {
            locale = context.getViewRoot().getLocale();
            renderKitId = context.getViewRoot().getRenderKitId();
        }

        // Configure a new UIViewRoot instance
        UIViewRoot view = new UIViewRoot();
        view.setViewId(viewId);
        if (locale != null)
        {
            view.setLocale(locale);
        }
        else
        {
            view.setLocale(context.getApplication().getViewHandler()
                    .calculateLocale(context));
        }
        if (renderKitId != null)
        {
            view.setRenderKitId(renderKitId);
        }
        else
        {
            view.setRenderKitId(context.getApplication().getViewHandler()
                    .calculateRenderKitId(context));
        }

        // Return the configured instance
        return view;

    }

    /** {@inheritDoc} */
    public String getActionURL(FacesContext context, String viewId)
    {

        return FacesContext.getCurrentInstance().getExternalContext()
                .getRequestContextPath()
                + viewId;

    }

    /** {@inheritDoc} */
    public String getResourceURL(FacesContext context, String path)
    {

        return FacesContext.getCurrentInstance().getExternalContext()
                .getRequestContextPath()
                + path;

    }

    /** {@inheritDoc} */
    public void renderView(FacesContext context, UIViewRoot view)
    {

        throw new UnsupportedOperationException();

    }

    /** {@inheritDoc} */
    public UIViewRoot restoreView(FacesContext context, String viewId)
    {

        throw new UnsupportedOperationException();

    }

    /** {@inheritDoc} */
    public void writeState(FacesContext context)
    {

    }

}