org.rhegium.vaadin.internal.mvc.VaadinUiBinderService.java Source code

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Here is the source code for org.rhegium.vaadin.internal.mvc.VaadinUiBinderService.java

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/*
 * Copyright (C) 2011 Rhegium Team
 *
 * 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.rhegium.vaadin.internal.mvc;

import java.io.IOException;
import java.io.InputStream;
import java.util.Locale;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;

import org.rhegium.api.mvc.View;
import org.rhegium.api.uibinder.AbstractUiBinderService;
import org.rhegium.api.uibinder.UiBinderException;
import org.rhegium.api.uibinder.UiBinderSaxHandler;
import org.xml.sax.SAXException;

import com.vaadin.ui.Component;
import com.vaadin.ui.VerticalLayout;

public class VaadinUiBinderService extends AbstractUiBinderService<Component> {

    @Override
    protected Component bind(Component component, InputStream stream, Object injectee, View<Component, ?, ?> view,
            Locale locale) {
        try {
            // Retrieve SAX parser instance
            SAXParser saxParser = getSaxParserFactory().newSAXParser();

            // Initialize TargetHandlers
            ComponentHandler componentHandler = new ComponentHandler(this, view, locale, getTypeConverterManager());
            ComponentIdHandler componentIdHandler = new ComponentIdHandler(componentHandler);
            ResourceHandler resourceHandler = new ResourceHandler(componentHandler, component.getApplication());
            EventBusHandler eventBusHandler = new EventBusHandler(view, componentHandler,
                    getUiBinderEventService());
            LanguageBindingHandler languageBindingHandler = new LanguageBindingHandler(getLanguageService(),
                    componentHandler, locale);

            // Initialize SAX handler
            UiBinderSaxHandler saxHandler = new UiBinderSaxHandler(componentHandler, componentIdHandler,
                    resourceHandler, eventBusHandler, languageBindingHandler);

            // Parse stream
            saxParser.parse(stream, saxHandler);

            // Inject bindings
            injectBindings(injectee, componentIdHandler.getComponents());

            return component;
        } catch (ParserConfigurationException e) {
            throw new UiBinderException(e);
        } catch (SAXException e) {
            throw new UiBinderException(e);
        } catch (IOException e) {
            throw new UiBinderException(e);
        }
    }

    @Override
    protected Component newBaseComposite() {
        return new BaseComposite();
    }

    @Override
    protected Component prepareView(View<Component, ?, ?> view) {
        // Get view context pane
        VerticalLayout content = (VerticalLayout) view.getComponent();

        // Remove all existing components since we read the content from xml
        content.removeAllComponents();

        return content;
    }

}