@Override
public <T extends Annotation> T getAnnotationOnSetter(String name, Class<T> clz) {
PropertyHolder pp = properties.get(name);
if (pp == null) return null;
Method method = pp.getWriteMethod();
if (method == null) return null;
return method.getAnnotation(clz);
}
public Class<?> getFieldType(String fieldName) {
PropertyHolder pp = properties.get(fieldName);
if (pp == null)
throw new NullPointerException("Can not find PropertyHolder for field: " + fieldName);
Method m = pp.getWriteMethod();
if (m == null)
throw new NullPointerException("Can not find WriterMethod for field: " + fieldName);
Class<?>[] cs = m.getParameterTypes();
return cs[0];
}
@Override
public Collection<String> getRwPropertyNames() {
ArrayList<String> list = new ArrayList<String>();
for (PropertyHolder pp : properties.values()) {
if (pp.getReadMethod() != null && pp.getWriteMethod() != null) {
list.add(pp.getName());
}
}
return list;
}
public void setPropertyValue(String fieldName, Object newValue) {
PropertyHolder pp = properties.get(fieldName);
if (pp == null)
throw new NullPointerException(
"Can not find property '" + fieldName + "' in bean " + obj.getClass().getName());
Method m = pp.getWriteMethod();
if (m == null)
throw new NullPointerException(
"Can not find set method '" + fieldName + "' in bean " + obj.getClass().getName());
try {
m.invoke(obj, new Object[] {newValue});
} catch (IllegalArgumentException e) {
StringBuilder sb =
new StringBuilder("IllegalArgumentException:")
.append(e.getLocalizedMessage())
.append('\n');
sb.append(obj.getClass().getName())
.append('\t')
.append(fieldName)
.append('\t')
.append(newValue.getClass().getName());
throw new IllegalArgumentException(sb.toString());
} catch (IllegalAccessException e) {
StringBuilder sb =
new StringBuilder("IllegalAccessException:").append(e.getLocalizedMessage()).append('\n');
sb.append(obj.getClass().getName())
.append('\t')
.append(fieldName)
.append('\t')
.append(newValue);
throw new IllegalArgumentException(sb.toString());
} catch (InvocationTargetException e) {
StringBuilder sb =
new StringBuilder("InvocationTargetException:")
.append(e.getLocalizedMessage())
.append('\n');
sb.append(obj.getClass().getName())
.append('\t')
.append(fieldName)
.append('\t')
.append(newValue);
throw new IllegalArgumentException(sb.toString());
}
}
public boolean isWritableProperty(String fieldName) {
if (fieldName == null) return false;
PropertyHolder pp = properties.get(fieldName);
if (pp == null) return false;
return pp.getWriteMethod() != null;
}