public synchronized Object getObjectValue(KeyValueCoding inspectable)
throws AccessorInvocationException {
if (inspectable == null) {
if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"Inspectable object is null for key "
+ name
+ ". We should definitely investigate this.");
}
return null;
}
try {
KeyValueCoding target = getTargetObject(inspectable);
if (target != null) {
return target.objectForKey(getLastAccessor());
} else {
return null;
}
} catch (AccessorInvocationException e) {
throw e;
} catch (Exception e) {
if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"getObjectValue() failed for property "
+ name
+ " for object "
+ inspectable.getClass().getName()
+ " : exception "
+ e.getMessage());
}
return null;
}
}
public synchronized boolean hasObjectValue(KeyValueCoding inspectable)
throws AccessorInvocationException {
if (inspectable == null) {
return false;
}
try {
KeyValueCoding target = getTargetObject(inspectable);
if (target != null) {
target.objectForKey(getLastAccessor());
return true;
} else {
return false;
}
} catch (InvalidObjectSpecificationException e) {
return false;
} catch (AccessorInvocationException e) {
throw e;
} catch (Exception e) {
e.printStackTrace();
if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"getObjectValue() failed for property "
+ name
+ " for object "
+ inspectable.getClass().getName()
+ " : exception "
+ e.getMessage());
}
return false;
}
}
/**
* This method can be called to store the newValue in the model.
*
* @param newValue
*/
public synchronized void setObjectValue(KeyValueCoding inspectable, Object newValue)
throws AccessorInvocationException {
if (inspectable == null) {
if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"Inspectable object is null for key "
+ name
+ ". We should definitely investigate this.");
}
return;
}
Object oldValue = getObjectValue(inspectable);
// logger.info("Old value="+oldValue+" New value="+newValue);
if (oldValue == null) {
if (newValue == null) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Same null value. Ignored.");
}
return;
}
} else if ((newValue != null) && (oldValue.equals(newValue))) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Same value. Ignored.");
}
return;
}
try {
KeyValueCoding target = getTargetObject(inspectable);
if (target != null) {
target.setObjectForKey(newValue, getLastAccessor());
} else if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"Target object is null for key " + name + ". We should definitely investigate this.");
}
return;
} catch (AccessorInvocationException e) {
throw e;
} catch (Exception e) {
e.printStackTrace();
if (logger.isLoggable(Level.WARNING)) {
logger.warning(
"setObjectValue() with "
+ newValue
+ " failed for property "
+ name
+ " for object "
+ inspectable.getClass().getName()
+ " : exception "
+ e.getMessage());
}
}
}