com.bstek.dorado.view.resolver.PageHeaderOutputter.java Source code

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Here is the source code for com.bstek.dorado.view.resolver.PageHeaderOutputter.java

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/*
 * This file is part of Dorado 7.x (http://dorado7.bsdn.org).
 * 
 * Copyright (c) 2002-2012 BSTEK Corp. All rights reserved.
 * 
 * This file is dual-licensed under the AGPLv3 (http://www.gnu.org/licenses/agpl-3.0.html) 
 * and BSDN commercial (http://www.bsdn.org/licenses) licenses.
 * 
 * If you are unsure which license is appropriate for your use, please contact the sales department
 * at http://www.bstek.com/contact.
 */

package com.bstek.dorado.view.resolver;

import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Set;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;

import com.bstek.dorado.common.ClientType;
import com.bstek.dorado.core.Configure;
import com.bstek.dorado.core.Constants;
import com.bstek.dorado.core.resource.LocaleResolver;
import com.bstek.dorado.data.variant.VariantUtils;
import com.bstek.dorado.view.View;
import com.bstek.dorado.view.config.attachment.AttachedResourceManager;
import com.bstek.dorado.view.config.attachment.JavaScriptContent;
import com.bstek.dorado.view.output.OutputContext;
import com.bstek.dorado.view.output.Outputter;
import com.bstek.dorado.web.DoradoContext;
import com.bstek.dorado.web.resolver.CacheBusterUtils;

/**
 * @author Benny Bao (mailto:benny.bao@bstek.com)
 * @since 2011-1-26
 */
public class PageHeaderOutputter implements Outputter {
    private Outputter topViewOutputter;
    private LocaleResolver localeResolver;
    private AttachedResourceManager javaScriptResourceManager;
    private AttachedResourceManager styleSheetResourceManager;
    private SkinSettingManager skinSettingManager;
    private SkinResolver skinResolver;
    private List<ClientSettingsOutputter> clientSettingsOutputters = new ArrayList<ClientSettingsOutputter>();

    public PageHeaderOutputter() {
        addClientSettingsOutputter(new DefaultClientSettingsOutputter());
    }

    public void setTopViewOutputter(Outputter topViewOutputter) {
        this.topViewOutputter = topViewOutputter;
    }

    /**
     * ????
     */
    public void setLocaleResolver(LocaleResolver localeResolver) {
        this.localeResolver = localeResolver;
    }

    public void setJavaScriptResourceManager(AttachedResourceManager javaScriptResourceManager) {
        this.javaScriptResourceManager = javaScriptResourceManager;
    }

    public void setStyleSheetResourceManager(AttachedResourceManager styleSheetResourceManager) {
        this.styleSheetResourceManager = styleSheetResourceManager;
    }

    public void setSkinSettingManager(SkinSettingManager skinSettingManager) {
        this.skinSettingManager = skinSettingManager;
    }

    public void setSkinResolver(SkinResolver skinResolver) {
        this.skinResolver = skinResolver;
    }

    public void addClientSettingsOutputter(ClientSettingsOutputter clientSettingsOutputter) {
        clientSettingsOutputters.add(clientSettingsOutputter);
    }

    protected String getBasePackageNames(DoradoContext context, int clientType, String skin) throws Exception {
        String clientTypeName = ClientType.toString(clientType);

        StringBuffer buf = new StringBuffer(12);
        buf.append(clientTypeName).append("-support,");
        buf.append("widget");

        SkinSetting skinSetting = skinSettingManager.getSkinSetting(context, skin);
        if (skinSetting != null) {
            String dependedPackages = skinSetting.getDependedPackages();
            if (StringUtils.isNotEmpty(dependedPackages)) {
                buf.append(',').append(dependedPackages);
            }

        }

        return buf.toString();
    }

    public void output(Object object, OutputContext context) throws Exception {
        DoradoContext doradoContext = DoradoContext.getCurrent();
        View view = (View) object;

        String skin = skinResolver.determineSkin(doradoContext, view);
        doradoContext.setAttribute("view.skin", skin);

        int currentClientType = VariantUtils.toInt(doradoContext.getAttribute(ClientType.CURRENT_CLIENT_TYPE_KEY));
        if (currentClientType == 0) {
            currentClientType = ClientType.DESKTOP;
        }

        Writer writer = context.getWriter();

        writer.append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=")
                .append(Constants.DEFAULT_CHARSET).append("\" />\n");

        if (StringUtils.isNotEmpty(view.getTitle())) {
            writer.append("<title>").append(StringEscapeUtils.escapeHtml(view.getTitle())).append("</title>\n");
        }

        Locale locale = localeResolver.resolveLocale();
        String contextPath = Configure.getString("web.contextPath");
        if (StringUtils.isEmpty(contextPath)) {
            contextPath = DoradoContext.getAttachedRequest().getContextPath();
        }
        writer.append("<script language=\"javascript\" type=\"text/javascript\" charset=\"UTF-8\" src=\"")
                .append(contextPath).append("/dorado/client/boot.dpkg?clientType=")
                .append(ClientType.toString(currentClientType)).append("&skin=").append(skin)
                .append("&cacheBuster=")
                .append(CacheBusterUtils.getCacheBuster((locale != null) ? locale.toString() : null))
                .append("\"></script>\n").append("<script language=\"javascript\" type=\"text/javascript\">\n");

        writer.append("window.$setting={\n");
        for (ClientSettingsOutputter clientSettingsOutputter : clientSettingsOutputters) {
            clientSettingsOutputter.output(writer);
        }
        writer.append("\n};\n");

        writer.append("$import(\"").append(getBasePackageNames(doradoContext, currentClientType, skin))
                .append("\");\n</script>\n").append("<script language=\"javascript\" type=\"text/javascript\">\n");
        topViewOutputter.output(view, context);
        writer.append("</script>\n");

        Set<Object> javaScriptContents = context.getJavaScriptContents();
        if (javaScriptContents != null && !javaScriptContents.isEmpty()) {
            writer.append("<script language=\"javascript\" type=\"text/javascript\">\n");
            for (Object content : javaScriptContents) {
                if (content instanceof JavaScriptContent && !((JavaScriptContent) content).getIsController()) {
                    javaScriptResourceManager.outputContent(context, content);
                }
                writer.append('\n');
            }
            writer.append("</script>\n");
        }

        Set<Object> styleSheetContents = context.getStyleSheetContents();
        if (styleSheetContents != null && !styleSheetContents.isEmpty()) {
            writer.append("<style type=\"text/css\">\n");
            for (Object content : styleSheetContents) {
                styleSheetResourceManager.outputContent(context, content);
                writer.append('\n');
            }
            writer.append("</style>\n");
        }
    }
}