c0cd2b3da111001c1ca2d27a0fdea94c

一个购房管理系统,JSF+Hibernate+Mssql2

/*
 * OperatorController.java
 *
 * Created on 2007年5月29日, 下午2:59
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.housesale.jsfbean;

import java.util.ArrayList;
import java.util.Collection;

import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.model.DataModel;
import javax.faces.model.ListDataModel;

import org.hibernate.Query;

import com.housesale.hibernate.Operator;
import com.housesale.hibernate.dao.OperatorDAO;

/**
 * 
 * @author MSQ
 */
public class OperatorController {

	/** Creates a new instance of OperatorController */
	public OperatorController() {
	}

	private Operator operator;

	private DataModel model;

	private String password;

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		
		this.password = password;
		operator.setPassword(password.getBytes());
	}

	private OperatorDAO getOperatorDAO() {
		OperatorDAO.initialize();
		return new OperatorDAO();
	}

	private int batchSize = 20;

	private int firstItem = 0;

	public Operator getOperator() {
		return operator;
	}

	public void setOperator(Operator operator) {
		this.operator = operator;
	}

	public DataModel getDetailOperators() {
		return model;
	}

	public void setDetailOperators(Collection<Operator> m) {
		model = new ListDataModel(new ArrayList(m));
	}

	public String createSetup() {
		this.operator = new Operator();
		return "operator_create";
	}

	public String create() {

		try {

			getOperatorDAO().save(operator);

			addSuccessMessage("Operator was successfully created.");
		} catch (Exception ex) {
			try {
				addErrorMessage(ex.getLocalizedMessage());

			} catch (Exception e) {
				addErrorMessage(e.getLocalizedMessage());
			}
		}
		return "operator_list";
	}

	public String detailSetup() {
		setOperatorFromRequestParam();
		return "operator_detail";
	}

	public String editSetup() {
		setOperatorFromRequestParam();
		return "operator_edit";
	}

	public String edit() {

		try {

			getOperatorDAO().update(operator);
			addSuccessMessage("Operator was successfully updated.");
		} catch (Exception ex) {
			try {
				addErrorMessage(ex.getLocalizedMessage());

			} catch (Exception e) {
				addErrorMessage(e.getLocalizedMessage());
			}
		}
		return "operator_list";
	}

	public String destroy() {

		try {

			Operator operator = getOperatorFromRequestParam();
			getOperatorDAO().delete(operator);

			addSuccessMessage("Operator was successfully deleted.");
		} catch (Exception ex) {
			try {
				addErrorMessage(ex.getLocalizedMessage());

			} catch (Exception e) {
				addErrorMessage(e.getLocalizedMessage());
			}
		}
		return "operator_list";
	}

	public Operator getOperatorFromRequestParam() {

		Operator o = null;
		try {
			o = (Operator) model.getRowData();
			o = getOperatorDAO().get(o.getOperatorId());

		} finally {
			return o;
		}
	}

	public void setOperatorFromRequestParam() {
		Operator operator = getOperatorFromRequestParam();
		setOperator(operator);
	}

	public DataModel getOperators() {

		try {
			Query q = getOperatorDAO().getQuery(
					"select object(o) from Operator as o");
			q.setMaxResults(batchSize);
			q.setFirstResult(firstItem);
			model = new ListDataModel(q.list());

		} finally {
			return model;
		}
	}

	public static void addErrorMessage(String msg) {
		FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_ERROR,
				msg, msg);
		FacesContext fc = FacesContext.getCurrentInstance();
		fc.addMessage(null, facesMsg);
	}

	public static void addSuccessMessage(String msg) {
		FacesMessage facesMsg = new FacesMessage(FacesMessage.SEVERITY_INFO,
				msg, msg);
		FacesContext fc = FacesContext.getCurrentInstance();
		fc.addMessage("successInfo", facesMsg);
	}

	public Operator findOperator(Integer id) {

		Operator o = null;
		try {
			o = (Operator) getOperatorDAO().get(id);

		} finally {
			return o;
		}
	}

	public int getItemCount() {

		int count = 0;
		try {
			count = getOperatorDAO().getQuery(
					"select count(o) from Operator as o").list().size();

		} finally {
			return count;
		}
	}

	public int getFirstItem() {
		return firstItem;
	}

	public int getLastItem() {
		int size = getItemCount();
		return firstItem + batchSize > size ? size : firstItem + batchSize;
	}

	public int getBatchSize() {
		return batchSize;
	}

	public String next() {
		if (firstItem + batchSize < getItemCount()) {
			firstItem += batchSize;
		}
		return "operator_list";
	}

	public String prev() {
		firstItem -= batchSize;
		if (firstItem < 0) {
			firstItem = 0;
		}
		return "operator_list";
	}

}