contentbo.java

icome

package com.icome.bo;

import java.util.Date;
import java.util.List;

import com.icome.dao.*;
import com.icome.entity.*;
import com.icome.dalfactory.*;

public class ContentBO {
	
	private static final ContentDAO contentdao = DataAccess.createContentDAO();
	
	public  boolean  save(Content transientInstance)
	{
		try{
			contentdao.save(transientInstance);
			return true;
		}catch(Exception e)
		{
			return false;
		}
	}
	
	/**
	 * delete the persistentInstance
	 * @param persistentInstance
	 * @return true if delete success
	 * @return false if delete failed 
	 */
	public boolean  delete(Content persistentInstance)
	{
		try
		{
			contentdao.delete(persistentInstance);
			return false;
		}catch(Exception e)
		{
			return false;
		}
	}
	
	public boolean delete (int cid)
	{
		try
		{
			Content content = contentdao.findById(cid);
			contentdao.delete(content);
			return true;
		}catch(Exception e)
		{
			return false;
		}
	}
	
	public  Content retrieve(int cid)
	{
		try
		{
			return contentdao.findById(cid);
		}catch(Exception e)
		{
			return null;
		}
	}
	
	 
	public  int  saveContent
	            (String title,
	             String summery,
	             String text,
	             String category,
	             String writer,
	             String uid,
	             int pid,
	             int cid)
	{
		Content transientInstance = null;
		if(cid != 0)
		{
			transientInstance = this.retrieve(cid);
		}
		
		if(transientInstance == null)
		{
			transientInstance = new Content();
			transientInstance.setCdt(new Date());
			
			Account accountByWriter =null;
			if(writer!=null)
			{
				AccountBO accountbo = new AccountBO();
				accountByWriter =accountbo.retrieve(writer); 
			}
			if(accountByWriter==null) 
			{
				return 0;
			}
			transientInstance.setAccountByWriter(accountByWriter );
			
			Project project = null;
			if(pid!=0)
			{
				ProjectBO projectbo = new ProjectBO();
				project = projectbo.retrieve(pid);
			}
			
			Account user = null;
			if(uid!=null||!uid.equals(""))
			{
				AccountBO accountbo = new AccountBO();
				user = accountbo.retrieve(uid); 
			}
			
			if(user!=null && project==null)
			{
				transientInstance.setAccountByUid(user);
				
			}else if(user==null&&project==null)
			{
				transientInstance.setProject(project);
			}
			else 
			{
				return 0;
			}
		}
		
		transientInstance.setTitle(title);
		transientInstance.setAbstract_(summery);
		transientInstance.setText(text);
		transientInstance.setCategory(category);
		
		if(this.save(transientInstance))
		{
			return transientInstance.getCid();
		}
		else
		{
			return 0;
		}
	}
	
	 
	 public List findByTitle(Object title)
	 {
		 try
		 {
			 return contentdao.findByTitle(title);
		 }
		 catch(Exception e)
		 {
			 return null;
		 }
	 }
}