runtime/org.argeo.slc.support.castor/src/main/java/org/argeo/slc/castor/execution/PrimitiveFieldHandler.java

   1 package org.argeo.slc.castor.execution;
   2
   3 import org.argeo.slc.core.execution.PrimitiveSpecAttribute;
   4 import org.argeo.slc.core.execution.PrimitiveValue;
   5 import org.exolab.castor.mapping.AbstractFieldHandler;
   6
   7 public class PrimitiveFieldHandler extends AbstractFieldHandler {
   8
   9         @Override
  10         public Object getValue(Object object) throws IllegalStateException {
  11                 if (object == null)
  12                         return null;
  13
  14                 Object value = null;
  15                 if (object instanceof PrimitiveSpecAttribute)
  16                         value = ((PrimitiveSpecAttribute) object).getValue();
  17                 else if (object instanceof PrimitiveValue)
  18                         value = ((PrimitiveValue) object).getValue();
  19                 else
  20                         throw new IllegalStateException("Unkown type " + object.getClass());
  21
  22                 return value != null ? value.toString() : null;
  23         }
  24
  25         @Override
  26         public Object newInstance(Object parent, Object[] args)
  27                         throws IllegalStateException {
  28                 // TODO Auto-generated method stub
  29                 return null;
  30         }
  31
  32         @Override
  33         public Object newInstance(Object parent) throws IllegalStateException {
  34                 // TODO Auto-generated method stub
  35                 return null;
  36         }
  37
  38         @Override
  39         public void resetValue(Object object) throws IllegalStateException,
  40                         IllegalArgumentException {
  41                 // TODO Auto-generated method stub
  42
  43         }
  44
  45         @Override
  46         public void setValue(Object object, Object value)
  47                         throws IllegalStateException, IllegalArgumentException {
  48                 // TODO: could probably be more generic
  49
  50                 PrimitiveSpecAttribute attr = (PrimitiveSpecAttribute) object;
  51                 String type = attr.getType();
  52                 String str = value.toString();
  53
  54                 // FIXME: generalize
  55                 if (object instanceof PrimitiveSpecAttribute)
  56                         ((PrimitiveSpecAttribute) object).setValue(convert(type, str));
  57                 else if (object instanceof PrimitiveValue)
  58                         ((PrimitiveValue) object).setValue(convert(type, str));
  59                 else
  60                         throw new IllegalStateException("Unkown type " + object.getClass());
  61         }
  62
  63         protected Object convert(String type, String str) {
  64                 if (PrimitiveSpecAttribute.TYPE_STRING.equals(type)) {
  65                         return str;
  66                 } else if (PrimitiveSpecAttribute.TYPE_INTEGER.equals(type)) {
  67                         return (Integer.parseInt(str));
  68                 } else if (PrimitiveSpecAttribute.TYPE_LONG.equals(type)) {
  69                         return (Long.parseLong(str));
  70                 } else if (PrimitiveSpecAttribute.TYPE_FLOAT.equals(type)) {
  71                         return (Float.parseFloat(str));
  72                 } else if (PrimitiveSpecAttribute.TYPE_DOUBLE.equals(type)) {
  73                         return (Double.parseDouble(str));
  74                 } else if (PrimitiveSpecAttribute.TYPE_BOOLEAN.equals(type)) {
  75                         return (Boolean.parseBoolean(str));
  76                 } else {
  77                         return str;
  78                 }
  79         }
  80 }