import com.linuxense.javadbf.DBFField; //导入依赖的package包/类
public static void assertColumnDefinition(DBFField field, String columnName, DBFDataType type, int length, int decimal) {
	Assert.assertEquals(columnName, field.getName());
	Assert.assertEquals(type, field.getType());
	Assert.assertEquals(length, field.getLength());
	Assert.assertEquals(decimal, field.getDecimalCount());
}
 

import com.linuxense.javadbf.DBFField; //导入依赖的package包/类
public RowMetaInterface getFields() throws KettleException
{
    String debug="get fields from XBase file";
    RowMetaInterface row = new RowMeta();
    
    try
    {
        // Fetch all field information
        //
        debug="allocate data types";
    	datatype = new byte[reader.getFieldCount()];
    		
        for( int i=0; i<reader.getFieldCount(); i++) 
        {
          if (log.isDebug()) debug="get field #"+i;

          DBFField field = reader.getField(i);
          ValueMetaInterface value = null;
          
          datatype[i] = field.getDataType();
          switch(datatype[i])
          {
          case DBFField.FIELD_TYPE_M: // Memo
              debug="memo field";
  System.out.println("Field #"+i+" is a memo-field! ("+field.getName()+")");
          case DBFField.FIELD_TYPE_C: // Character
              // case DBFField.FIELD_TYPE_P: // Picture
              debug="character field";
              value = new ValueMeta(field.getName(), ValueMetaInterface.TYPE_STRING);
          	  value.setLength(field.getFieldLength());
          	  break;
          case FIELD_TYPE_I: // Integer              
          case DBFField.FIELD_TYPE_N: // Numeric
          case DBFField.FIELD_TYPE_F: // Float
              debug="Number field";
              value = new ValueMeta(field.getName(), ValueMetaInterface.TYPE_NUMBER);
          	  value.setLength(field.getFieldLength(), field.getDecimalCount());
          	  break;
          case DBFField.FIELD_TYPE_L: // Logical
              debug="Logical field";
              value = new ValueMeta(field.getName(), ValueMetaInterface.TYPE_BOOLEAN);
          	  value.setLength(-1, -1);
      	  	  break;
          case DBFField.FIELD_TYPE_D: // Date
              debug="Date field";
              value = new ValueMeta(field.getName(), ValueMetaInterface.TYPE_DATE);
          	  value.setLength(-1, -1);
      	  	  break;
      	  default: 
      	    System.out.println("Unknown Datatype"+ datatype[i]);
          }
          
          if (value!=null)
          {
              row.addValueMeta(value);
          }
        }
    }
    catch(Exception e)
    {
        throw new KettleException("Error reading DBF metadata (in part "+debug+")", e);
    }
    
    return row;
}