package net.minidev.json.writer;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import net.minidev.json.JSONArray;
import net.minidev.json.JSONAware;
import net.minidev.json.JSONAwareEx;
import net.minidev.json.JSONObject;
public class JsonReader {
private final ConcurrentHashMap<Type, JsonReaderI<?>> cache;
public JsonReaderI<JSONAwareEx> DEFAULT;
public JsonReaderI<JSONAwareEx> DEFAULT_ORDERED;
public JsonReader() {
cache = new ConcurrentHashMap<Type, JsonReaderI<?>>(100);
cache.put(Date.class, BeansMapper.MAPPER_DATE);
cache.put(int[].class, ArraysMapper.MAPPER_PRIM_INT);
cache.put(Integer[].class, ArraysMapper.MAPPER_INT);
cache.put(short[].class, ArraysMapper.MAPPER_PRIM_INT);
cache.put(Short[].class, ArraysMapper.MAPPER_INT);
cache.put(long[].class, ArraysMapper.MAPPER_PRIM_LONG);
cache.put(Long[].class, ArraysMapper.MAPPER_LONG);
cache.put(byte[].class, ArraysMapper.MAPPER_PRIM_BYTE);
cache.put(Byte[].class, ArraysMapper.MAPPER_BYTE);
cache.put(char[].class, ArraysMapper.MAPPER_PRIM_CHAR);
cache.put(Character[].class, ArraysMapper.MAPPER_CHAR);
cache.put(float[].class, ArraysMapper.MAPPER_PRIM_FLOAT);
cache.put(Float[].class, ArraysMapper.MAPPER_FLOAT);
cache.put(double[].class, ArraysMapper.MAPPER_PRIM_DOUBLE);
cache.put(Double[].class, ArraysMapper.MAPPER_DOUBLE);
cache.put(boolean[].class, ArraysMapper.MAPPER_PRIM_BOOL);
cache.put(Boolean[].class, ArraysMapper.MAPPER_BOOL);
this.DEFAULT = new DefaultMapper<JSONAwareEx>(this);
this.DEFAULT_ORDERED = new DefaultMapperOrdered(this);
cache.put(JSONAwareEx.class, this.DEFAULT);
cache.put(JSONAware.class, this.DEFAULT);
cache.put(JSONArray.class, this.DEFAULT);
cache.put(JSONObject.class, this.DEFAULT);
}
public <T> void remapField(Class<T> type, String fromJson, String toJava) {
JsonReaderI<T> map = this.getMapper(type);
if (!(map instanceof MapperRemapped)) {
map = new MapperRemapped<T>(map);
registerReader(type, map);
}
((MapperRemapped<T>) map).renameField(fromJson, toJava);
}
public <T> void registerReader(Class<T> type, JsonReaderI<T> mapper) {
cache.put(type, mapper);
}
@SuppressWarnings("unchecked")
public <T> JsonReaderI<T> getMapper(Type type) {
if (type instanceof ParameterizedType)
return getMapper((ParameterizedType) type);
return getMapper((Class<T>) type);
}
public <T> JsonReaderI<T> getMapper(Class<T> type) {
@SuppressWarnings("unchecked")
JsonReaderI<T> map = (JsonReaderI<T>) cache.get(type);
if (map != null)
return map;
if (type instanceof Class) {
if (Map.class.isAssignableFrom(type))
map = new DefaultMapperCollection<T>(this, type);
else if (List.class.isAssignableFrom(type))
map = new DefaultMapperCollection<T>(this, type);
if (map != null) {
cache.put(type, map);
return map;
}
}
if (type.isArray())
map = new ArraysMapper.GenericMapper<T>(this, type);
else if (List.class.isAssignableFrom(type))
map = new CollectionMapper.ListClass<T>(this, type);
else if (Map.class.isAssignableFrom(type))
map = new CollectionMapper.MapClass<T>(this, type);
else
map = new BeansMapper.Bean<T>(this, type);
cache.putIfAbsent(type, map);
return map;
}
@SuppressWarnings("unchecked")
public <T> JsonReaderI<T> getMapper(ParameterizedType type) {
JsonReaderI<T> map = (JsonReaderI<T>) cache.get(type);
if (map != null)
return map;
Class<T> clz = (Class<T>) type.getRawType();
if (List.class.isAssignableFrom(clz))
map = new CollectionMapper.ListType<T>(this, type);
else if (Map.class.isAssignableFrom(clz))
map = new CollectionMapper.MapType<T>(this, type);
cache.putIfAbsent(type, map);
return map;
}
}