| 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. |
| */ |
| 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(); |
| } |
| } |