AnnotationInfo.java

package com.avaje.ebean.enhance.agent;

import java.util.ArrayList;
import java.util.HashMap;

/**
 * Collects the annotation information.
 */
public class AnnotationInfo {

	final HashMap<String,Object> valueMap = new HashMap<String,Object>();

	AnnotationInfo parent;
	
	/**
	 * The parent is typically the class level annotation information
	 * which could be considered to hold default values.
	 */
	public AnnotationInfo(AnnotationInfo parent){
		this.parent = parent;
	}
	
	public String toString() {
		return valueMap.toString();
	}
	
	
	public AnnotationInfo getParent() {
		return parent;
	}

	public void setParent(AnnotationInfo parent) {
		this.parent = parent;
	}

	/**
	 * Add a annotation value.
	 */
	@SuppressWarnings("unchecked")
	public void add(String prefix, String name, Object value){
		if (name == null){
			// this is an array value...
			ArrayList<Object> list = (ArrayList<Object>)valueMap.get(prefix);
			if (list == null){
				list = new ArrayList<Object>();
				valueMap.put(prefix, list);
			}
			//System.out.println("addArrayValue "+prefix+" value:"+value);
			list.add(value);
			
		} else {
			String key = getKey(prefix, name);
			//System.out.println("addValue "+key+" value:"+value);
			valueMap.put(key, value);
		}
	}

	/**
	 * Add a enum annotation value.
	 */
	public void addEnum(String prefix, String name, String desc, String value){
		
		add(prefix, name, value);
	}
	
	private String getKey(String prefix, String name){
		if (prefix == null){
			return name;
		} else {
			return prefix+"."+name;
		}
	}
	
	/**
	 * Return a value out of the map.
	 */
	public Object getValue(String key){
		Object o = valueMap.get(key);
		if (o == null && parent != null){
			// try getting value from parent
			o = parent.getValue(key);
		}
		return o;
	}
}