自动生成项目_只需改参数

/**
 *
 */
package com.new1.test;

import java.io.File;
import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Date;


/**
 * @author hongten(hongtenzone@foxmail.com)
 * @date 2013-2-24
 */
@SuppressWarnings("unchecked")
public class BeanUtils {
    

    
    //公共部分
    private static final String RT_1 = " ";
    private static final String RT_2 = RT_1+RT_1;
    private static final String BLANK_1 =" ";
    private static final String BLANK_4 ="    ";
    private static final String BLANK_8 =BLANK_4 + BLANK_4;
    
    
    
    //注释部分
    private static final String ANNOTATION_AUTHOR_PARAMTER = "@author ";
    private static final String ANNOTATION_AUTHOR_NAME = "hongten(hongtenzone@foxmail.com)";
    private static final String ANNOTATION_AUTHOR = ANNOTATION_AUTHOR_PARAMTER + ANNOTATION_AUTHOR_NAME;
    private static final String ANNOTATION_DATE = "@date ";
    private static final String ANNOTATION = "/**"+RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_AUTHOR +RT_1+BLANK_1+"*"+BLANK_1+ANNOTATION_DATE +getDate()+RT_1+BLANK_1+"*/"+RT_1;
    
    
    //文件 地址
    //private static final String BEAN_PATH = "com/b510/base/bean";
    private static final String DAO_PATH = "com/b510/base/dao";
    private static final String DAO_IMPL_PATH = "com/b510/base/dao/impl";
    private static final String SERVICE_PATH = "com/b510/base/service";
    private static final String SERVICE_IMPL_PATH = "com/b510/base/service/impl";

    
    
    //包名
    private static final String BEAN_URL = "com.b510.base.bean";
    private static final String DAO_URL = "com.b510.base.dao";
    private static final String DAO_IMPL_URL = "com.b510.base.dao.impl";
    private static final String SERVICE_URL = "com.b510.base.service";
    private static final String SERVICE_IMPL_URL = "com.b510.base.service.impl";

    //基本类名称
    private static final String BASE_DAO_NAME = DAO_URL + ".BaseDao";
    private static final String ABSTRACT_BASE_DAO_IMPL_NAME = DAO_IMPL_URL + ".AbstractBaseDaoImpl";
    private static final String BASE_SERVICE_NAME = SERVICE_URL + ".BaseService";
    private static final String ABSTRACT_BASE_SERVICE_IMPL_NAME = SERVICE_IMPL_URL + ".AbstractBaseServiceImpl";
    
    
    /**
     * 创建bean的Dao
     * @param c
     * @throws Exception
     */
    public void createBeanDao(Class c) throws Exception {
        String cName = c.getName();
        String fileName = System.getProperty("user.dir") + "/src/" + DAO_PATH
                + "/" + getLastChar(cName) + "Dao.java";
        File f = new File(fileName);
        FileWriter fw = new FileWriter(f);
        fw.write("package "+DAO_URL+";"+RT_2+ANNOTATION+"public interface " +
                getLastChar(cName) + "Dao extends "+BASE_DAO_NAME+" <" + cName + "> {"+RT_2+"}");
        fw.flush();
        fw.close();
        showInfo(fileName);
    }

    /**
     * 创建bean的Dao的实现类
     * @param c
     * @throws Exception
     */
    public void createBeanDaoImpl(Class c) throws Exception{
        String cName = c.getName();
        String fileName = System.getProperty("user.dir") + "/src/" + DAO_IMPL_PATH
                + "/" + getLastChar(cName) + "DaoImpl.java";
        File f = new File(fileName);
        FileWriter fw = new FileWriter(f);
        fw.write("package "+DAO_IMPL_URL+";"+RT_2+ANNOTATION+"public class " +
                getLastChar(cName) + "DaoImpl extends "+ABSTRACT_BASE_DAO_IMPL_NAME+"<" +
                cName + "> implements "+DAO_URL+"."+getLastChar(cName)+"Dao{"+RT_2+"}");
        fw.flush();
        fw.close();
        showInfo(fileName);
    }
    
    
    
    /**
     * 创建bean的service
     * @param c
     * @throws Exception
     */
    public void createBeanService(Class c) throws Exception{
        String cName = c.getName();
        String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_PATH
                + "/" + getLastChar(cName) + "Service.java";
        File f = new File(fileName);
        FileWriter fw = new FileWriter(f);
        fw.write("package "+SERVICE_URL+";"+RT_2+ANNOTATION+"public interface " +
                getLastChar(cName) + "Service extends "+BASE_SERVICE_NAME+"<"+ cName +">{"+RT_2+"}");
        fw.flush();
        fw.close();
        showInfo(fileName);
    }
    
    /**
     * 创建bean的service的实现类
     * @param c
     * @throws Exception
     */
    public void createBeanServiceImpl(Class c) throws Exception{
        String cName = c.getName();
        String fileName = System.getProperty("user.dir") + "/src/" + SERVICE_IMPL_PATH
                + "/" +getLastChar(cName)+"ServiceImpl.java";
        File f = new File(fileName);
        FileWriter fw = new FileWriter(f);
        fw.write("package "+SERVICE_IMPL_URL+";"+RT_2+ANNOTATION+"public class "
                + getLastChar(cName) + "ServiceImpl extends "+ABSTRACT_BASE_SERVICE_IMPL_NAME+"<"+ cName
                + "> implements "+SERVICE_URL+"."+getLastChar(cName)+"Service{"+RT_2+BLANK_4
                +"private "+DAO_URL+"."+getLastChar(cName)+"Dao "+getLowercaseChar(getLastChar(cName))
                +"Dao;"+RT_2+BLANK_4+"public void set"+getLastChar(cName)+"Dao("+DAO_URL+"."+getLastChar(cName)+"Dao "
                +getLowercaseChar(getLastChar(cName))+"Dao){"+RT_1+BLANK_8+"this."+getLowercaseChar(getLastChar(cName))+"Dao = "
                +getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+BLANK_4+"@Override"+RT_1+BLANK_4
                +"public "+DAO_URL+"."+"BaseDao<"+BEAN_URL+"."+getLastChar(cName)+"> getBaseDao(){"+RT_1+BLANK_8
                +"return "+getLowercaseChar(getLastChar(cName))+"Dao;"+RT_1+BLANK_4+"}"+RT_2+"}");
        fw.flush();
        fw.close();
        showInfo(fileName);
    }
    

    /**
     * 获取路径的最后面字符串<br>
     * 如：<br>
     *     <code>str = "com.b510.base.bean.User"</code><br>
     *     <code> return "User";<code>
     * @param str
     * @return
     */
    public String getLastChar(String str) {
        if ((str != null) && (str.length() > 0)) {
            int dot = str.lastIndexOf('.');
            if ((dot > -1) && (dot < (str.length() - 1))) {
                return str.substring(dot + 1);
            }
        }
        return str;
    }
    
    /**
     * 把第一个字母变为小写<br>
     * 如：<br>
     *     <code>str = "UserDao";</code><br>
     *     <code>return "userDao";</code>
     * @param str
     * @return
     */
    public String getLowercaseChar(String str){
        return str.substring(0,1).toLowerCase()+str.substring(1);
    }

    /**
     * 显示信息
     * @param info
     */
    public void showInfo(String info){
        System.out.println("创建文件："+ info+ "成功！");
    }
    
    /**
     * 获取系统时间
     * @return
     */
    public static String getDate(){
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        return simpleDateFormat.format(new Date());
    }
}