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package com.jsoniter.any;

import com.jsoniter.spi.JsonException;

import com.jsoniter.ValueType;

import java.io.IOException;

class DoubleLazyAny extends LazyAny {

private boolean isCached;

private double cache;

public DoubleLazyAny(byte[] data, int head, int tail) {

super(data, head, tail);

}

@Override

public ValueType valueType() {

return ValueType.NUMBER;

}

@Override

public Object object() {

fillCache();

return cache;

}

@Override

public boolean toBoolean() {

fillCache();

return cache != 0;

}

@Override

public int toInt() {

fillCache();

return (int) cache;

}

@Override

public long toLong() {

fillCache();

return (long) cache;

}

@Override

public float toFloat() {

fillCache();

return (float) cache;

}

@Override

public double toDouble() {

fillCache();

return cache;

}

private void fillCache() {

if (!isCached) {

try {

cache = parse().readDouble();

} catch (IOException e) {

throw new JsonException(e);

}

isCached = true;

}

}

}