package com.jsoniter.any;
import com.jsoniter.ValueType;
import com.jsoniter.output.JsonStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class ListWrapperAny extends Any {
private final List val;
private List<Any> cache;
public ListWrapperAny(List val) {
this.val = val;
}
@Override
public ValueType valueType() {
return ValueType.ARRAY;
}
@Override
public Object object() {
fillCache();
return cache;
}
@Override
public boolean toBoolean() {
return !val.isEmpty();
}
@Override
public int toInt() {
return size();
}
@Override
public long toLong() {
return size();
}
@Override
public float toFloat() {
return size();
}
@Override
public double toDouble() {
return size();
}
@Override
public String toString() {
if (cache == null) {
return JsonStream.serialize(val);
} else {
fillCache();
return JsonStream.serialize(cache);
}
}
@Override
public void writeTo(JsonStream stream) throws IOException {
if (cache == null) {
stream.writeVal(val);
} else {
fillCache();
stream.writeVal(cache);
}
}
@Override
public int size() {
return val.size();
}
@Override
public Any get(int index) {
return fillCacheUntil(index);
}
@Override
public Any get(Object[] keys, int idx) {
if (idx == keys.length) {
return this;
}
Object key = keys[idx];
if (isWildcard(key)) {
fillCache();
ArrayList<Any> result = new ArrayList<Any>();
for (Any element : cache) {
Any mapped = element.get(keys, idx + 1);
if (mapped.valueType() != ValueType.INVALID) {
result.add(mapped);
}
}
return Any.rewrap(result);
}
try {
return fillCacheUntil((Integer) key).get(keys, idx + 1);
} catch (IndexOutOfBoundsException e) {
return new NotFoundAny(keys, idx, object());
} catch (ClassCastException e) {
return new NotFoundAny(keys, idx, object());
}
}
@Override
public Iterator<Any> iterator() {
return new WrapperIterator();
}
private void fillCache() {
if (cache == null) {
cache = new ArrayList<Any>();
}
if (cache.size() == val.size()) {
return;
}
for (int i = cache.size(); i < val.size(); i++) {
Any element = Any.wrap(val.get(i));
cache.add(element);
}
}
private Any fillCacheUntil(int index) {
if (cache == null) {
cache = new ArrayList<Any>();
}
if (index < cache.size()) {
return cache.get(index);
}
for (int i = cache.size(); i < val.size(); i++) {
Any element = Any.wrap(val.get(i));
cache.add(element);
if (index == i) {
return element;
}
}
return new NotFoundAny(index, val);
}
private class WrapperIterator implements Iterator<Any> {
private int index;
@Override
public boolean hasNext() {
return index < val.size();
}
@Override
public Any next() {
if (cache == null) {
cache = new ArrayList<Any>();
}
if (index == cache.size()) {
cache.add(Any.wrap(val.get(index)));
}
return cache.get(index++);
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}
}