org.jdal.vaadin.ui.SpringViewProvider.java Source code

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Here is the source code for org.jdal.vaadin.ui.SpringViewProvider.java

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/*
 * Copyright 2009-2014 Jose Luis Martin
 *
 * 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.jdal.vaadin.ui;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;

import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewProvider;
import com.vaadin.ui.Component;

/**
 * ViewProvider that delegates on a Spring BeanFactory to find Views
 * 
 * @author Jose Luis Martin
 * @since 2.0
 */
public class SpringViewProvider implements ViewProvider {

    @Autowired
    private BeanFactory beanFactory;
    private String defaultView = "mainView";

    @Override
    public String getViewName(String viewAndParameters) {
        return viewAndParameters;
    }

    @SuppressWarnings("rawtypes")
    @Override
    public View getView(String viewName) {

        if (StringUtils.isEmpty(viewName))
            viewName = defaultView;

        Object view = beanFactory.getBean(viewName);

        Component c = null;

        if (view instanceof org.jdal.vaadin.ui.VaadinView) {
            c = ((VaadinView) view).getPanel();
        } else if (view instanceof Component) {
            c = (Component) view;
        }

        return (View) (c instanceof View ? c : new ComponentViewAdapter(c));
    }

    /**
     * @return the beanFactory
     */
    public BeanFactory getBeanFactory() {
        return beanFactory;
    }

    /**
     * @param beanFactory the beanFactory to set
     */
    public void setBeanFactory(BeanFactory beanFactory) {
        this.beanFactory = beanFactory;
    }

    public String getDefaultView() {
        return defaultView;
    }

    public void setDefaultView(String defaultView) {
        this.defaultView = defaultView;
    }

}