// 
// Decompiled by Procyon v0.6.0
// 

package com.google.gson.internal.bind;

import java.util.Iterator;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonReader;
import java.lang.reflect.Type;
import com.google.gson.internal.ObjectConstructor;
import com.google.gson.internal.GsonTypes;
import java.util.Collection;
import com.google.gson.TypeAdapter;
import com.google.gson.reflect.TypeToken;
import com.google.gson.Gson;
import com.google.gson.internal.ConstructorConstructor;
import com.google.gson.TypeAdapterFactory;

public final class CollectionTypeAdapterFactory implements TypeAdapterFactory
{
    private final ConstructorConstructor constructorConstructor;
    
    public CollectionTypeAdapterFactory(final ConstructorConstructor constructorConstructor) {
        this.constructorConstructor = constructorConstructor;
    }
    
    @Override
    public <T> TypeAdapter<T> create(final Gson gson, final TypeToken<T> typeToken) {
        final Type type = typeToken.getType();
        final Class<? super T> rawType = typeToken.getRawType();
        if (!Collection.class.isAssignableFrom(rawType)) {
            return null;
        }
        final Type elementType = GsonTypes.getCollectionElementType(type, rawType);
        final TypeAdapter<?> elementTypeAdapter = gson.getAdapter(TypeToken.get(elementType));
        final TypeAdapter<?> wrappedTypeAdapter = new TypeAdapterRuntimeTypeWrapper<Object>(gson, elementTypeAdapter, elementType);
        final boolean allowUnsafe = false;
        final ObjectConstructor<T> constructor = this.constructorConstructor.get(typeToken, allowUnsafe);
        final TypeAdapter<T> result = (TypeAdapter<T>)new Adapter((TypeAdapter<Object>)wrappedTypeAdapter, (ObjectConstructor<? extends Collection<Object>>)constructor);
        return result;
    }
    
    private static final class Adapter<E> extends TypeAdapter<Collection<E>>
    {
        private final TypeAdapter<E> elementTypeAdapter;
        private final ObjectConstructor<? extends Collection<E>> constructor;
        
        Adapter(final TypeAdapter<E> elementTypeAdapter, final ObjectConstructor<? extends Collection<E>> constructor) {
            this.elementTypeAdapter = elementTypeAdapter;
            this.constructor = constructor;
        }
        
        @Override
        public Collection<E> read(final JsonReader in) throws IOException {
            if (in.peek() == JsonToken.NULL) {
                in.nextNull();
                return null;
            }
            final Collection<E> collection = (Collection<E>)this.constructor.construct();
            in.beginArray();
            while (in.hasNext()) {
                final E instance = this.elementTypeAdapter.read(in);
                collection.add(instance);
            }
            in.endArray();
            return collection;
        }
        
        @Override
        public void write(final JsonWriter out, final Collection<E> collection) throws IOException {
            if (collection == null) {
                out.nullValue();
                return;
            }
            out.beginArray();
            for (final E element : collection) {
                this.elementTypeAdapter.write(out, element);
            }
            out.endArray();
        }
    }
}