bigdecimalconverter.java

来自「办公自动化项目」· Java 代码 · 共 52 行

package hong.javanet.util;

import org.apache.commons.beanutils.*;
import java.math.BigDecimal;

/**
 * <p>Title: </p>
 * <p>Description: hong.javanet框架</p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: 洪桃李</p>
 * @author 洪桃李
 * @version 2.0
 */

public class BigDecimalConverter
    implements Converter {

  public Object convert(Class class0, Object object) {
    if(object==null) {
      return null;
    }
    if (object instanceof BigDecimal) {
      return object;
    }
    String str = "";
    if (! (object instanceof String)) {
      str = object.toString();
    }

    if(object instanceof String) {
      str = ( (String) object).trim();
      if ("".equals(str)) {
        return null;
      }

      try {
        return new java.math.BigDecimal(str);
      }
      catch (Exception ex) {
       // throw new ConversionException(str + " 不是有效的小数！");
       // throw new RuntimeException(str + " 不是有效的小数！");
        return null;
      }
    }
    else {
      //throw new ConversionException(object + " 不是一个字符串！");
      return null;
    }

  }
}