com.seanchenxi.gwt.serenity.client.SerenityUtil.java Source code

Introduction

Here is the source code for com.seanchenxi.gwt.serenity.client.SerenityUtil.java

Source

/*******************************************************************************
 * Copyright 2012 Xi CHEN
 *
 * 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 com.seanchenxi.gwt.serenity.client;

import java.util.Date;

import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.HeadElement;
import com.google.gwt.dom.client.MetaElement;
import com.google.gwt.dom.client.NodeList;
import com.google.gwt.i18n.client.DateTimeFormat;
import com.google.gwt.i18n.client.DateTimeFormat.PredefinedFormat;
import com.google.gwt.user.client.Cookies;
import com.google.gwt.user.client.Window.Location;
import com.seanchenxi.gwt.logging.api.Log;
import com.seanchenxi.gwt.serenity.client.place.SerenityPlaceUtil;
import com.seanchenxi.gwt.serenity.client.resource.SerenityResources;
import com.seanchenxi.gwt.serenity.share.StringPool;

public class SerenityUtil {

    private static final DateTimeFormat DateFormatter = DateTimeFormat.getFormat(PredefinedFormat.DATE_MEDIUM);
    private static final DateTimeFormat TimerFormatter = DateTimeFormat
            .getFormat(PredefinedFormat.DATE_TIME_MEDIUM);

    public static int getPageSize() {
        try {
            return Integer.parseInt(SerenityResources.PAGING_CONFIG.get(SerenityResources.SIZE));
        } catch (Exception e) {
            Log.severe("[SerenityUtil] getPageSize error", e);
            return 10;
        }
    }

    public static String toDateString(Date date) {
        return DateFormatter.format(date);
    }

    public static String toDateTimeString(Date date) {
        return TimerFormatter.format(date);
    }

    public static boolean isValidEmail(String email) {
        if (email == null || email.isEmpty())
            return false;
        return email.matches("^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+.[a-zA-Z]{2,4}$");
    }

    public static String getWpNaming() {
        Element el = Document.get().getElementsByTagName(HeadElement.TAG).getItem(0);
        NodeList<Element> els = el.getElementsByTagName(MetaElement.TAG);
        for (int i = 0; i < els.getLength(); i++) {
            if (SerenityResources.GENERATOR.equalsIgnoreCase(els.getItem(i).getAttribute(SerenityResources.NAME))) {
                return els.getItem(i).getAttribute(SerenityResources.CONTENT);
            }
        }
        return SerenityResources.MSG.wordpress_Name();
    }

    public static String getWpBaseUrl() {
        Element el = Document.get().getElementsByTagName(HeadElement.TAG).getItem(0);
        NodeList<Element> els = el.getElementsByTagName(MetaElement.TAG);
        for (int i = 0; i < els.getLength(); i++) {
            if (SerenityResources.URL.equalsIgnoreCase(els.getItem(i).getAttribute(SerenityResources.NAME))) {
                return els.getItem(i).getAttribute(SerenityResources.CONTENT);
            }
        }
        return StringPool.SLASH;
    }

    public static boolean replaceIfIdOldRequest() {
        String path = Location.getPath();
        String query = Location.getQueryString();
        if (path.endsWith(".html")) {
            try {
                String[] slugs = path.split(StringPool.SLASH);
                String token = SerenityPlaceUtil.getArticleAnchor(slugs[slugs.length - 1].replace(".html", ""));
                StringBuilder sb = new StringBuilder(getWpBaseUrl());
                if (query != null) {
                    sb.append(query);
                } else {
                    sb.append(StringPool.SLASH);
                }
                sb.append(token);
                Log.finest("[SerenityUtil] replace to " + sb.toString());
                Location.replace(sb.toString());
                return true;
            } catch (Exception e) {
                Log.warn("[SerenityUtil] replace error", e);
            }
        }
        return false;
    }

    public static boolean isLoggedIn() {
        for (String name : Cookies.getCookieNames()) {
            if (name != null && name.contains("logged") && name.contains("in")) {
                return true;
            }
        }
        return false;
    }

}