com.codiform.moo.translator.FieldProperty Maven / Gradle / Ivy
package com.codiform.moo.translator;
import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import com.codiform.moo.TranslationException;
import com.codiform.moo.annotation.AccessMode;
import com.codiform.moo.annotation.Translation;
public class FieldProperty extends AbstractProperty {
private Field field;
public FieldProperty(Field field) {
this.field = field;
}
public A getAnnotation(Class annotationClass) {
return field.getAnnotation(annotationClass);
}
public String getName() {
return field.getName();
}
public String getTranslationExpression() {
Translation translationAnnotation = getAnnotation(Translation.class);
if (translationAnnotation != null) {
return translationAnnotation.value();
} else {
return field.getName();
}
}
public Class getType() {
return field.getType();
}
public void setValue(Object instance, Object value) {
checkValue(value);
try {
if (!field.isAccessible())
field.setAccessible(true);
field.set(instance, value);
} catch (IllegalArgumentException exception) {
throw new TranslationException(
"Cannot set value for field property " + getName(),
exception);
} catch (IllegalAccessException exception) {
throw new TranslationException(
"Cannot set value for field property " + getName(),
exception);
}
}
/* package */boolean isProperty(AccessMode mode) {
switch (mode) {
case FIELD:
return isAcceptableField();
case METHOD:
return isAcceptableField()
&& getAnnotation(com.codiform.moo.annotation.Property.class) != null;
default:
throw new IllegalStateException(
"I have no idea how to deal with access mode: " + mode);
}
}
private boolean isAcceptableField() {
int modifiers = field.getModifiers();
if (Modifier.isStatic(modifiers))
return false;
else if (Modifier.isFinal(modifiers))
return false;
else
return true;
}
public boolean canSupportNull() {
return !getType().isPrimitive();
}
}