recordbean.java

一个ssh结构组成 的BS开发

package cn.hxex.library.view.bean;

import java.sql.Timestamp;
import java.util.Iterator;
import java.util.List;

import javax.faces.event.ValueChangeEvent;
import javax.faces.model.SelectItem;

import cn.hxex.library.exception.LibraryException;
import cn.hxex.library.model.Category;
import cn.hxex.library.model.Product;
import cn.hxex.library.model.Record;
import cn.hxex.library.view.util.FacesUtils;
import cn.hxex.library.view.util.ViewUtils;

public class RecordBean extends BaseBean
{
	private String id;
	
	private String categoryId;
	
	private List categorys;
	
	private String productId;
	
	private List products;
	
	private Integer num;
	
	private String type;
	
	/**
	 * @return Returns the id.
	 */
	public String getId()
	{
		return id;
	}

	/**
	 * @param id The id to set.
	 */
	public void setId(String id)
	{
		this.id = id;
		System.out.println( "Set ID:\t" + this.id );
	}

	/**
	 * @return Returns the categoryId.
	 */
	public String getCategoryId()
	{
		return categoryId;
	}

	/**
	 * @param categoryId The categoryId to set.
	 */
	public void setCategoryId(String categoryId)
	{
		this.categoryId = categoryId;
		System.out.println( "Set CategoryID:\t" + this.categoryId );
	}

	/**
	 * @return Returns the categorys.
	 */
	public List getCategorys()
	{
		return categorys;
	}

	/**
	 * @param categorys The categorys to set.
	 */
	public void setCategorys(List categorys)
	{
		this.categorys = categorys;
	}

	/**
	 * @return Returns the num.
	 */
	public Integer getNum()
	{
		return num;
	}

	/**
	 * @param num The num to set.
	 */
	public void setNum(Integer num)
	{
		this.num = num;
		System.out.println( "Set Num:\t" + this.num );
	}

	/**
	 * @return Returns the productId.
	 */
	public String getProductId()
	{
		return productId;
	}

	/**
	 * @param productId The productId to set.
	 */
	public void setProductId(String productId)
	{
		this.productId = productId;
		System.out.println( "Set ProductID:\t" + this.productId );
	}

	/**
	 * @return Returns the products.
	 */
	public List getProducts()
	{
		return products;
	}

	/**
	 * @param products The products to set.
	 */
	public void setProducts(List products)
	{
		this.products = products;
	}

	/**
	 * @return Returns the type.
	 */
	public String getType()
	{
		return type;
	}

	/**
	 * @param type The type to set.
	 */
	public void setType(String type)
	{
		this.type = type;
	}
	
	public void init()
	{
		this.logger.info( "====================init()===============" );

		this.categorys = this.getServiceLocator().getCategoryService().getAllCategorys();
		if( this.categorys.isEmpty() )
			return;
		
		if( this.categoryId==null )
		{
			this.categoryId = ((Category)this.categorys.get( 0 )).getId();
		}
		
		if( this.categoryId==null )
			return;
		
		Iterator it = this.categorys.iterator();
		while( it.hasNext() )
		{
			Category category = (Category)it.next();
			if( this.categoryId.equals( category.getId() ) )
			{
				this.products = ViewUtils.convertToList( category.getProducts() );
				break;
			}
		}
		
		if( this.productId==null && !this.products.isEmpty() )
		{
			this.productId = ( (Product)this.products.get(0) ).getId();
		}

	}
	
	public SelectItem[] getCategoryItems()
	{
		this.logger.info( "getCategoryItems was invoked!" );
		
		SelectItem[] items = new SelectItem[this.getCategorys().size()];
		for( int i=0; i<this.getCategorys().size(); i++ )
		{
			Category category = (Category)this.getCategorys().get( i );
			items[i] = new SelectItem( category.getId(), category.getName() );
		}
		return items;
	}
	
	public SelectItem[] getProductItems()
	{
		this.logger.info( "getProductItems was invoked!" );
		
		SelectItem[] items = new SelectItem[this.getProducts().size()];
		for( int i=0; i<this.getProducts().size(); i++ )
		{
			Product product = (Product)this.getProducts().get( i );
			items[i] = new SelectItem( product.getId(), product.getName() );
		}
		return items;
	}
	
	public SelectItem[] getRecordTypeItems()
	{
		this.logger.info( "getRecordTypeItems was invoked!" );
		
		SelectItem[] items = new SelectItem[2];
		
		items[0] = new SelectItem( "in", "in" );
		items[1] = new SelectItem( "out", "out" );
		
		return items;
	}
	
	public void changeCategory( ValueChangeEvent event )
	{
		this.logger.info( "changeCategory was invoked!" );

		this.categoryId = String.valueOf( event.getNewValue() );
		
		if( this.categoryId==null )
			return;

		Iterator it = this.categorys.iterator();
		while( it.hasNext() )
		{
			Category category = (Category)it.next();
			if( this.categoryId.equals( category.getId() ) )
			{
				this.products = ViewUtils.convertToList( category.getProducts() );
				break;
			}
		}
		System.out.println( "productId:\t" + this.productId );
		if( !this.products.isEmpty() )
		{
			this.productId = ( (Product)this.products.get(0) ).getId();
			System.out.println( "productId:\t" + this.productId );
		}
	}
	
	public String createAction()
	{
		Record record = convertToRecord();
		
		try
		{
			Product product = this.getServiceLocator().getProductService().getProduct( this.productId );
			record.setProduct( product );
			
			this.getServiceLocator().getRecordService().saveRecord( record );
			
			FacesUtils.resetManagedBean( BeanNames.RECORD_BEAN );
			
			FacesUtils.addInfoMessageById( "recordBean_create_record_success" );
		}
		catch( LibraryException ex )
		{
			FacesUtils.addErrorMessageById( ex.getMessage() );
		}
		
		return NavigationResults.SUCCESS;
	}
	
	public String editAction()
	{
		if( this.id!=null )
		{
			try
			{
				Record record = this.getServiceLocator().getRecordService().getRecord( this.id );
				
				convertToRecordBean( this, record );
				
				return NavigationResults.RECORD_EDIT;
			}
			catch( LibraryException ex )
			{
				FacesUtils.addErrorMessageById( ex.getMessage() );
			}
		}
		return NavigationResults.RECORD_LIST;
	}
	
	public String updateAction()
	{
		try
		{
			Record record = convertToRecord();
			Product product = this.getServiceLocator().getProductService().getProduct( this.productId );
			record.setProduct( product );
			
			this.getServiceLocator().getRecordService().updateRecord( record );
			
			FacesUtils.addInfoMessageById("recordBean_update_record_success");

			// FacesUtils.resetManagedBean( BeanNames.RECORD_LIST_BEAN );
			RecordListBean recordListBean = (RecordListBean)FacesUtils.getManagedBean( BeanNames.RECORD_LIST_BEAN );
			recordListBean.setProductId( this.productId );
			recordListBean.init();
			
			return NavigationResults.RECORD_LIST;
		}
		catch( LibraryException ex )
		{
			FacesUtils.addErrorMessageById( ex.getMessage() );
			return NavigationResults.RETRY;
		}
	}
	
	public String deleteAction()
	{
		try
		{
			Record record = convertToRecord();
			this.getServiceLocator().getRecordService().deleteRecord( record );
			
			FacesUtils.resetManagedBean( BeanNames.RECORD_LIST_BEAN );
			
			FacesUtils.addErrorMessageById( "recordBean_delete_record_success" );
		}
		catch( LibraryException ex )
		{
			FacesUtils.addErrorMessageById( ex.getMessage() );
		}
		return NavigationResults.RECORD_LIST;
	}
	
	private Record convertToRecord()
	{
		Record record = new Record();
		record.setId( this.id );
		
		if( this.num!=null )
		{
			int number = this.num.intValue();
			if( "out".equals( this.type ) )
				number = -number;
			record.setNum( number );
		}
		
		record.setRecordtime( new Timestamp( System.currentTimeMillis() ) );
		
		return record;
	}
	
	private RecordBean convertToRecordBean( RecordBean recordBean, Record record )
	{
		recordBean.setId( record.getId() );
		recordBean.setNum( Math.abs( record.getNum() ) );
		recordBean.setType( record.getNum() > 0 ? "in" : "out" );
		recordBean.setProductId( record.getProduct().getId() );
		recordBean.setCategoryId( record.getProduct().getCategory().getId() );
		recordBean.setProducts( ViewUtils.convertToList( record.getProduct().getCategory().getProducts() ) );
		return recordBean;
	}
}