package com.fasterxml.jackson.databind.node;

import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.SerializerProvider;

Numeric node that contains simple 64-bit integer values.
/** * Numeric node that contains simple 64-bit integer values. */
public class BigIntegerNode extends NumericNode { private final static BigInteger MIN_INTEGER = BigInteger.valueOf(Integer.MIN_VALUE); private final static BigInteger MAX_INTEGER = BigInteger.valueOf(Integer.MAX_VALUE); private final static BigInteger MIN_LONG = BigInteger.valueOf(Long.MIN_VALUE); private final static BigInteger MAX_LONG = BigInteger.valueOf(Long.MAX_VALUE); final protected BigInteger _value; /* /********************************************************** /* Construction /********************************************************** */ public BigIntegerNode(BigInteger v) { _value = v; } public static BigIntegerNode valueOf(BigInteger v) { return new BigIntegerNode(v); } /* /********************************************************** /* Overrridden JsonNode methods /********************************************************** */ @Override public JsonToken asToken() { return JsonToken.VALUE_NUMBER_INT; } @Override public JsonParser.NumberType numberType() { return JsonParser.NumberType.BIG_INTEGER; } @Override public boolean isIntegralNumber() { return true; } @Override public boolean isBigInteger() { return true; } @Override public boolean canConvertToInt() { return (_value.compareTo(MIN_INTEGER) >= 0) && (_value.compareTo(MAX_INTEGER) <= 0); } @Override public boolean canConvertToLong() { return (_value.compareTo(MIN_LONG) >= 0) && (_value.compareTo(MAX_LONG) <= 0); } @Override public Number numberValue() { return _value; } @Override public short shortValue() { return _value.shortValue(); } @Override public int intValue() { return _value.intValue(); } @Override public long longValue() { return _value.longValue(); } @Override public BigInteger bigIntegerValue() { return _value; } @Override public float floatValue() { return _value.floatValue(); } @Override public double doubleValue() { return _value.doubleValue(); } @Override public BigDecimal decimalValue() { return new BigDecimal(_value); } /* /********************************************************** /* General type coercions /********************************************************** */ @Override public String asText() { return _value.toString(); } @Override public boolean asBoolean(boolean defaultValue) { return !BigInteger.ZERO.equals(_value); } @Override public final void serialize(JsonGenerator jg, SerializerProvider provider) throws IOException, JsonProcessingException { jg.writeNumber(_value); } @Override public boolean equals(Object o) { if (o == this) return true; if (o == null) return false; if (!(o instanceof BigIntegerNode)) { return false; } return ((BigIntegerNode) o)._value.equals(_value); } @Override public int hashCode() { return _value.hashCode(); } }