package bluej.debugger.jdi;

import bluej.debugger.DebuggerClass;
import bluej.debugger.DebuggerField;
import bluej.debugger.DebuggerObject;
import bluej.debugger.gentype.JavaType;

import com.sun.jdi.Field;
import com.sun.jdi.ObjectReference;
import com.sun.jdi.Value;
import threadchecker.OnThread;
import threadchecker.Tag;




| An implement of DebuggerField using the Java Debug Interface (JDI).
|
| @author Davin McCall
|
public class JdiField
extends DebuggerField{
   @OnThread(Tag.Any)
   
   private final Field field;
   @OnThread(Tag.Any)
   
   private final JdiObject object;
   
   private boolean hidden;
    
   @OnThread(Tag.Any)
   
   public JdiField(Field field, JdiObject object, boolean hidden)
   {        
      this.field = field;
       
      this.object = object;
       
      this.hidden = hidden;     
      }

   
   @Override
   @OnThread(Tag.Any)
   
   public String getName()
   {
      return field.name();     
      }

   
   @Override
   
   public JavaType getType()
   {
      if (object != null) {
         return JdiReflective.fromField(field, object);         
         }
       

      else {
      return JdiReflective.fromField(field);         
      }     
   }

   
@Override
   
public int getModifiers()
   {
   return field.modifiers();     
   }

   
@Override
@OnThread(Tag.Any)
@SuppressWarnings("threadchecker")
   
public String getValueString()
   {        
   Value value;
   if (object != null) {
      value = object.obj.getValue(field);         
      }
       

   else {
   value = field.declaringType().getValue(field);         
   }

return JdiUtils.getJdiUtils().getValueString(value);     
}

   
@Override
   
public DebuggerObject getValueObject(JavaType expectedType)
   {        
   Value value;
   if (object != null) {
      value = object.obj.getValue(field);         
      }
       

   else {
   value = field.declaringType().getValue(field);         
   }
        
if (value == null) {
   return JdiObject.getDebuggerObject(null);         
   }
        
if (value instanceof ObjectReference) {
   ObjectReference or = (ObjectReference) value;
   if (expectedType == null) {
      expectedType = getType();             
      }
   return JdiObject.getDebuggerObject(or, expectedType);         
   }
        
       
return null;     
}

   
@Override
   
public DebuggerClass getDeclaringClass()
   {        
   return new JdiClass(field.declaringType());     
   }
    
   
@Override
   
public boolean isHidden()
   {        
   return hidden;     
   } 
}