根据JAVA的POJO类生成AS3的VALUEOBJECT类

package tool;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.Field;
import org.apache.commons.lang3.StringUtils;

/**
* @author Administrator
*
*/
public class VoUtils {
    public VoUtils() {
    }

    // 根据java类对象的类型返回vo类型
    public static String getClassType(Class c) {
        String typeName = c.getSimpleName();
        if (typeName.equals("String") || typeName.equals("Date")) {
            return typeName;
        } else if (typeName.equals("BigDecimal") || typeName.equals("Decimal")
                || typeName.equals("Double") || typeName.equals("Float")) {
            return "Number";
        } else if (typeName.equals("Integer")) {
            return "int";
        } else if (typeName.equals("Boolean")) {
            return "boolean";
        } else {
            return "*";// 其它类型的设置为未知类型
        }
    }

    // 重复c字符count次，用于格式化生成的as文件
    public static String repeat(String c, int count) {
        String temp = "";
        for (int i = 0; i < count; i++) {
            temp += c;
        }
        return temp;
    }

    /**
     * 生成as文件
     *
     * @param pojoName
     *            java对象名称
     * @param packageName
     *            flex中vo对象的包名
     * @throws ClassNotFoundException
     * @throws IOException
     */
    public static void generateAsFile(String pojoName, String packageName,
            String folder) throws ClassNotFoundException, IOException {
        Class c = Class.forName(pojoName);
        Field[] fields = c.getDeclaredFields();
        // as的vo对象名称结尾加上VO标志
        File f = new File(folder + c.getSimpleName() + "VO.as");
        BufferedWriter bw = new BufferedWriter(new FileWriter(f));
        // 包名，没有设置包名就取和java pojo一样的包名
        if (StringUtils.isEmpty(packageName)) {
            bw.write("package " + c.getPackage().getName() + "\n{\n");
        } else {
            bw.write("package " + packageName + "\n{\n");
        }
        // 写类
        bw.write(repeat(" ", 4) + "[Bindable] \n" );
        bw.write(repeat(" ", 4) + "[RemoteClass(alias=\""+pojoName+"\")]\n" );           
        bw.write(repeat(" ", 4) + "public class " + c.getSimpleName() + "VO\n");
        bw.write(repeat(" ", 4) + "{\n");
        // 写属性
        for (int i = 0; i < fields.length; i++) {
            Class fieldType = fields[i].getType();
            String typeName = getClassType(fieldType);
            bw.write(repeat(" ", 8) + "private var _" + fields[i].getName()
                    + ":" + typeName + ";\n");
        }
        bw.write("\n\n\n");
        // 写空的构造函数
        bw.write(repeat(" ", 8) + "public function " + c.getSimpleName()
                + "VO(){}\n\n");
        // 写 setter/getter 方法
        for (int i = 0; i < fields.length; i++) {
            Class fieldType = fields[i].getType();
            String typeName = getClassType(fieldType);
            // setter
            bw.write(repeat(" ", 8) + "public function set "
                    + fields[i].getName() + "(value:" + typeName + "):void{\n");
            bw.write(repeat(" ", 12) + "this._" + fields[i].getName()
                    + " = value;\n");
            bw.write(repeat(" ", 8) + "}\n\n");
            // getter
            bw.write(repeat(" ", 8) + "public function get "
                    + fields[i].getName() + "():" + typeName + "{\n");
            bw.write(repeat(" ", 12) + "return this._" + fields[i].getName()
                    + ";\n");
            bw.write(repeat(" ", 8) + "}\n\n\n");
        }
        bw.write(repeat(" ", 4) + "}\n");
        bw.write("}");
        bw.close();
    }

    // 测试，写了个测试
    public static void main(String[] args) throws ClassNotFoundException,
            IOException {
        String[] pojos = { "domain.zzb.Zsdgc05" };
        for (int i = 0; i < pojos.length; i++) {
            VoUtils
                    .generateAsFile(pojos[i], "com.nstar.orderexpress.vo",
                            "C:/");
        }
    }

}