com.fasterxml.classmate.Annotations Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of classmate Show documentation
Show all versions of classmate Show documentation
Library for introspecting types with full generic information
including resolving of field and method types.
package com.fasterxml.classmate;
import java.io.Serializable;
import java.lang.annotation.Annotation;
import java.util.HashMap;
/**
* Container class used for storing set of annotations resolved for types (classes)
* as members (methods, fields, constructors).
*
* @author tatu
*/
@SuppressWarnings("serial")
public class Annotations implements Serializable
{
protected HashMap,Annotation> _annotations;
/*
/**********************************************************************
/* Life-cycle
/**********************************************************************
*/
public Annotations() { }
/**
* Method for adding specified annotation, overriding existing value
* for the annotation type.
*/
public void add(Annotation override)
{
if (_annotations == null) {
_annotations = new HashMap,Annotation>();
}
_annotations.put(override.annotationType(), override);
}
/**
* Method for adding all annotations from specified set, as overrides
* to annotations this set has
*/
public void addAll(Annotations overrides)
{
if (_annotations == null) {
_annotations = new HashMap,Annotation>();
}
for (Annotation override : overrides._annotations.values()) {
_annotations.put(override.annotationType(), override);
}
}
/**
* Method for adding specified annotation if and only if no value
* exists for the annotation type.
*/
public void addAsDefault(Annotation defValue)
{
Class type = defValue.annotationType();
if (_annotations == null) {
_annotations = new HashMap,Annotation>();
_annotations.put(type, defValue);
} else if (!_annotations.containsKey(type)) {
_annotations.put(type, defValue);
}
}
/*
/**********************************************************************
/* Accessors
/**********************************************************************
*/
public int size() {
return (_annotations == null) ? 0 : _annotations.size();
}
@SuppressWarnings("unchecked")
public A get(Class cls)
{
if (_annotations == null) {
return null;
}
return (A) _annotations.get(cls);
}
/*
/**********************************************************************
/* Standard method overrides
/**********************************************************************
*/
@Override public String toString()
{
if (_annotations == null) {
return "[null]";
}
return _annotations.toString();
}
}