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:/");
}
}

}