com.edgenius.wiki.blogsync.BlogSyncServiceImpl.java Source code

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Here is the source code for com.edgenius.wiki.blogsync.BlogSyncServiceImpl.java

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/* 
 * =============================================================
 * Copyright (C) 2007-2011 Edgenius (http://www.edgenius.com)
 * =============================================================
 * License Information: http://www.edgenius.com/licensing/edgenius/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 *  
 * ****************************************************************
 */
package com.edgenius.wiki.blogsync;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.edgenius.wiki.SpaceSetting;
import com.edgenius.wiki.gwt.client.model.BlogMeta;
import com.edgenius.wiki.model.Page;
import com.edgenius.wiki.model.PageComment;
import com.edgenius.wiki.model.Space;
import com.edgenius.wiki.service.SettingService;
import com.edgenius.wiki.service.SpaceService;

/**
 * @author Dapeng.Ni
 */
public class BlogSyncServiceImpl implements BlogSyncService {
    private static final Logger log = LoggerFactory.getLogger(BlogSyncServiceImpl.class);

    private SpaceService spaceService;
    private SettingService settingService;
    private Map<Integer, BlogProxy> proxies;

    public boolean verifyBlog(BlogMeta blog) {
        if (blog == null)
            //non blog, then it treats as correct one
            return true;

        try {
            List<BlogMeta> blogs = getUsersBlogs(blog.getType(), blog.getUrl(), blog.getUsername(),
                    blog.getPassword());
            if (blogs == null)
                return false;
            for (BlogMeta meta : blogs) {
                if (StringUtils.equals(meta.getName(), blog.getName()))
                    //here, a little bit tricky, update url with canonical one
                    blog.setUrl(meta.getUrl());
            }
        } catch (BlogSyncException e) {
            return false;
        }
        return true;
    }

    public BlogMeta linkToSpace(BlogMeta blog, String spaceUname) throws BlogSyncException {
        Space space = spaceService.getSpaceByUname(spaceUname);
        space.addExtLinkType(Space.EXT_LINK_BLOG);
        SpaceSetting setting = space.getSetting();

        if (StringUtils.isBlank(blog.getKey())) {
            //new!
            blog.setKey(UUID.randomUUID().toString());
        }

        //convert password to security key - as this will update password to encrypt one, so clone a new one to avoid old one broken
        BlogMeta newMeta = (BlogMeta) blog.clone();
        try {
            newMeta.setPassword(setting.createSecurityKey(blog.getPassword()));
        } catch (Exception e) {
            log.error("Unable to create security key, link blog failed because of security reason", e);
            throw new BlogSyncException(e);
        }

        List<BlogMeta> map = setting.getLinkedMetas();
        if (map == null) {
            map = new ArrayList<BlogMeta>();
        }
        map.add(newMeta);
        setting.setLinkedMetas(map);

        //update linkExt field
        spaceService.updateSpace(space, false);
        //update LinkMeta object
        settingService.saveOrUpdateSpaceSetting(space, setting);

        //update categories list - here will save spaceSetting again 
        this.updateCategories(spaceUname, blog);

        return blog;
    }

    public void disconnectFromSpace(String spaceUname, String blogKey) {
        Space space = spaceService.getSpaceByUname(spaceUname);
        space.removeExtLinkType(Space.EXT_LINK_BLOG);

        SpaceSetting setting = space.getSetting();
        List<BlogMeta> blogs = setting.getLinkedMetas();
        BlogMeta blog = setting.getBlogMeta(blogKey);
        if (blog != null) {
            setting.removeSecurityKey(blog.getPassword());
            blogs.remove(blog);
        }
        if (blogs.size() == 0)
            setting.setLinkedMetas(null);
        else
            setting.setLinkedMetas(blogs);

        //update linkExt field
        spaceService.updateSpace(space, false);
        //update LinkMeta object
        settingService.saveOrUpdateSpaceSetting(space, setting);
    }

    public void updateCategories(String spaceUname, BlogMeta blog) throws BlogSyncException {
        proxies.get(blog.getType()).updateCategories(spaceUname, blog);
    }

    public void post(BlogMeta blog, Page page) throws BlogSyncException {
        proxies.get(blog.getType()).post(blog, page);
    }

    public List<BlogMeta> getUsersBlogs(int type, String xmlrpc, String user, String pass)
            throws BlogSyncException {
        return proxies.get(type).getUsersBlogs(type, xmlrpc, user, pass);
    }

    public void downloadPosts(String spaceUname, BlogMeta blog, int limit) throws BlogSyncException {
        proxies.get(blog.getType()).downloadPosts(spaceUname, blog, limit);
    }

    public void postComment(BlogMeta blog, PageComment comment) throws BlogSyncException {
        proxies.get(blog.getType()).postComment(blog, comment);

    }

    public void downloadComments(String spaceUname, BlogMeta blog) throws BlogSyncException {
        proxies.get(blog.getType()).downloadComments(spaceUname, blog);
    }

    public void removePost(BlogMeta blog, String postID) throws BlogSyncException {
        proxies.get(blog.getType()).removePost(blog, postID);

    }

    //********************************************************************
    //               set / get methods
    //********************************************************************
    public void setSpaceService(SpaceService spaceService) {
        this.spaceService = spaceService;
    }

    public void setSettingService(SettingService settingService) {
        this.settingService = settingService;
    }

    public void setProxies(Map<Integer, BlogProxy> proxies) {
        this.proxies = proxies;
    }

}