package com.taobao.tddl.common.utils.convertor;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* 定义自己的convertor仓库
*
* @author jianghang 2011-5-25 下午10:16:10
*/
public class ConvertorRepository {
private static final String SEPERATOR = ":";
private static String int_name = Integer.class.getName();
private static String short_name = Short.class.getName();
private static String long_name = Long.class.getName();
private static String char_name = Character.class.getName();
private static String void_name = Void.class.getName();
private static String double_name = Double.class.getName();
private static String float_name = Float.class.getName();
private static String byte_name = Byte.class.getName();
private static String bool_name = Boolean.class.getName();
private Map<String, Convertor> convertors = new ConcurrentHashMap<String, Convertor>(10);
public Convertor getConvertor(Class src, Class dest) {
// 按照src->dest来取映射
return convertors.get(mapperConvertorName(src, dest));
}
public Convertor getConvertor(String alias) {
return convertors.get(alias);
}
public void registerConvertor(Class src, Class dest, Convertor convertor) {
String key = mapperConvertorName(src, dest);
// 对于已经注册的convert，进行覆盖处理
if (convertor != null) {
convertors.put(key, convertor);
}
}
public void registerConvertor(String alias, Convertor convertor) {
// 对于已经注册的convert，进行覆盖处理
if (convertor != null) {
convertors.put(alias, convertor);
}
}
// ========================= helper method ===================
private String mapperConvertorName(Class src, Class dest) {
String name1 = getName(src);
String name2 = getName(dest);
return name1 + SEPERATOR + name2;
}
private String getName(Class type) {
if (type.isPrimitive()) {
if (type == int.class) {
return int_name;
} else if (type == short.class) {
return short_name;
} else if (type == long.class) {
return long_name;
} else if (type == char.class) {
return char_name;
} else if (type == void.class) {
return void_name;
} else if (type == double.class) {
return double_name;
} else if (type == float.class) {
return float_name;
} else if (type == byte.class) {
return byte_name;
} else if (type == boolean.class) {
return bool_name;
}
}
return type.getName();
}
}