| 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 values that do not fit in simple |
| * integer (int, long) or floating point (double) values. |
| */ |
| public final class DecimalNode |
| extends NumericNode |
| { |
| private final static BigDecimal MIN_INTEGER = BigDecimal.valueOf(Integer.MIN_VALUE); |
| private final static BigDecimal MAX_INTEGER = BigDecimal.valueOf(Integer.MAX_VALUE); |
| private final static BigDecimal MIN_LONG = BigDecimal.valueOf(Long.MIN_VALUE); |
| private final static BigDecimal MAX_LONG = BigDecimal.valueOf(Long.MAX_VALUE); |
| |
| final protected BigDecimal _value; |
| |
| /* |
| /********************************************************** |
| /* Construction |
| /********************************************************** |
| */ |
| |
| public DecimalNode(BigDecimal v) { _value = v; } |
| |
| public static DecimalNode valueOf(BigDecimal d) { return new DecimalNode(d); } |
| |
| /* |
| /********************************************************** |
| /* BaseJsonNode extended API |
| /********************************************************** |
| */ |
| |
| @Override public JsonToken asToken() { return JsonToken.VALUE_NUMBER_FLOAT; } |
| |
| @Override |
| public JsonParser.NumberType getNumberType() { return JsonParser.NumberType.BIG_DECIMAL; } |
| |
| /* |
| /********************************************************** |
| /* Overrridden JsonNode methods |
| /********************************************************** |
| */ |
| |
| @Override |
| public boolean isFloatingPointNumber() { return true; } |
| |
| @Override |
| public boolean isBigDecimal() { 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 getNumberValue() { return _value; } |
| |
| @Override |
| public int getIntValue() { return _value.intValue(); } |
| |
| @Override |
| public long getLongValue() { return _value.longValue(); } |
| |
| |
| @Override |
| public BigInteger getBigIntegerValue() { return _value.toBigInteger(); } |
| |
| @Override |
| public double getDoubleValue() { return _value.doubleValue(); } |
| |
| @Override |
| public BigDecimal getDecimalValue() { return _value; } |
| |
| @Override |
| public String asText() { |
| return _value.toString(); |
| } |
| |
| @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.getClass() != getClass()) { // final class, can do this |
| return false; |
| } |
| return ((DecimalNode) o)._value.equals(_value); |
| } |
| |
| @Override |
| public int hashCode() { return _value.hashCode(); } |
| } |