| package org.codehaus.jackson.node; |
| |
| import java.io.IOException; |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import org.codehaus.jackson.*; |
| import org.codehaus.jackson.io.NumberOutput; |
| import org.codehaus.jackson.map.SerializerProvider; |
| |
| /** |
| * Numeric node that contains 64-bit ("double precision") |
| * floating point values simple 32-bit integer values. |
| */ |
| public final class DoubleNode |
| extends NumericNode |
| { |
| protected final double _value; |
| |
| /* |
| /********************************************************** |
| /* Construction |
| /********************************************************** |
| */ |
| |
| public DoubleNode(double v) { _value = v; } |
| |
| public static DoubleNode valueOf(double v) { return new DoubleNode(v); } |
| |
| /* |
| /********************************************************** |
| /* BaseJsonNode extended API |
| /********************************************************** |
| */ |
| |
| @Override public JsonToken asToken() { return JsonToken.VALUE_NUMBER_FLOAT; } |
| |
| @Override |
| public JsonParser.NumberType getNumberType() { return JsonParser.NumberType.DOUBLE; } |
| |
| /* |
| /********************************************************** |
| /* Overrridden JsonNode methods |
| /********************************************************** |
| */ |
| |
| @Override |
| public boolean isFloatingPointNumber() { return true; } |
| |
| @Override |
| public boolean isDouble() { return true; } |
| |
| @Override |
| public Number getNumberValue() { |
| return Double.valueOf(_value); |
| } |
| |
| @Override |
| public int getIntValue() { return (int) _value; } |
| |
| @Override |
| public long getLongValue() { return (long) _value; } |
| |
| @Override |
| public double getDoubleValue() { return _value; } |
| |
| @Override |
| public BigDecimal getDecimalValue() { return BigDecimal.valueOf(_value); } |
| |
| @Override |
| public BigInteger getBigIntegerValue() { |
| return getDecimalValue().toBigInteger(); |
| } |
| |
| @Override |
| public String asText() { |
| return NumberOutput.toString(_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.getClass() != getClass()) { // final class, can do this |
| return false; |
| } |
| return ((DoubleNode) o)._value == _value; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| // same as hashCode Double.class uses |
| long l = Double.doubleToLongBits(_value); |
| return ((int) l) ^ (int) (l >> 32); |
| |
| } |
| } |