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ratel api,used for developer on ratel system,an extension for xposed framewrok,ratel api compatable with original xposed framework
/*
* Copyright 1999-2101 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package external.com.alibaba.fastjson.serializer;
import java.io.IOException;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.AbstractCollection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumSet;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.TreeSet;
import external.com.alibaba.fastjson.JSONArray;
import external.com.alibaba.fastjson.JSONException;
import external.com.alibaba.fastjson.parser.DefaultJSONParser;
import external.com.alibaba.fastjson.parser.JSONToken;
import external.com.alibaba.fastjson.parser.deserializer.ObjectDeserializer;
import external.com.alibaba.fastjson.util.TypeUtils;
/**
* @author wenshao[[email protected]]
*/
public class CollectionCodec implements ObjectSerializer, ObjectDeserializer {
public final static CollectionCodec instance = new CollectionCodec();
private CollectionCodec() {
}
public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType) throws IOException {
SerializeWriter out = serializer.out;
if (object == null) {
if ((out.features & SerializerFeature.WriteNullListAsEmpty.mask) != 0) {
out.write("[]");
} else {
out.writeNull();
}
return;
}
Type elementType = null;
if ((out.features & SerializerFeature.WriteClassName.mask) != 0) {
elementType = TypeUtils.getCollectionItemType(fieldType);
}
Collection collection = (Collection) object;
SerialContext context = serializer.context;
serializer.setContext(context, object, fieldName, 0);
if ((out.features & SerializerFeature.WriteClassName.mask) != 0) {
if (HashSet.class == collection.getClass()) {
out.append("Set");
} else if (TreeSet.class == collection.getClass()) {
out.append("TreeSet");
}
}
try {
int i = 0;
out.write('[');
for (Object item : collection) {
if (i++ != 0) {
out.write(',');
}
if (item == null) {
out.writeNull();
continue;
}
Class clazz = item.getClass();
if (clazz == Integer.class) {
out.writeInt(((Integer) item).intValue());
continue;
}
if (clazz == Long.class) {
out.writeLong(((Long) item).longValue());
if ((out.features & SerializerFeature.WriteClassName.mask) != 0) {
out.write('L');
}
continue;
}
ObjectSerializer itemSerializer = serializer.config.get(clazz);
itemSerializer.write(serializer, item, i - 1, elementType);
}
out.write(']');
} finally {
serializer.context = context;
}
}
@SuppressWarnings({ "unchecked", "rawtypes" })
public T deserialze(DefaultJSONParser parser, Type type, Object fieldName) {
if (parser.lexer.token() == JSONToken.NULL) {
parser.lexer.nextToken(JSONToken.COMMA);
return null;
}
if (type == JSONArray.class) {
JSONArray array = new JSONArray();
parser.parseArray(array);
return (T) array;
}
Class rawClass; //= getRawClass(type);
for (Type t = type;;) {
if (t instanceof Class) {
rawClass = (Class) t;
break;
} else if (t instanceof ParameterizedType) {
t = ((ParameterizedType) t).getRawType();
} else {
throw new JSONException("TODO");
}
}
Collection list;
if (rawClass == AbstractCollection.class //
|| rawClass == Collection.class) {
list = new ArrayList();
} else if (rawClass.isAssignableFrom(HashSet.class)) {
list = new HashSet();
} else if (rawClass.isAssignableFrom(LinkedHashSet.class)) {
list = new LinkedHashSet();
} else if (rawClass.isAssignableFrom(TreeSet.class)) {
list = new TreeSet();
} else if (rawClass.isAssignableFrom(ArrayList.class)) {
list = new ArrayList();
} else if (rawClass.isAssignableFrom(EnumSet.class)) {
Type itemType;
if (type instanceof ParameterizedType) {
itemType = ((ParameterizedType) type).getActualTypeArguments()[0];
} else {
itemType = Object.class;
}
list = EnumSet.noneOf((Class)itemType);
} else {
try {
list = (Collection) rawClass.newInstance();
} catch (Exception e) {
throw new JSONException("create instane error, class " + rawClass.getName());
}
}
Type itemType = TypeUtils.getCollectionItemType(type);
parser.parseArray(itemType, list, fieldName);
return (T) list;
}
}