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package javax.json;
import java.io.
Serializable;
/**
* Private implementation of {@link JsonValue} for simple {@link ValueType}s
* allowing their usage in constants which are better to implement {@link Serializable}.
*
* @author Lukas Jungmann
*/
final class
JsonValueImpl implements
JsonValue,
Serializable {
private final
ValueType valueType;
JsonValueImpl(
ValueType valueType) {
this.
valueType =
valueType;
}
/**
* Returns the value type of this JSON value.
*
* @return JSON value type
*/
@
Override
public
ValueType getValueType() {
return
valueType;
}
/**
* Compares the specified object with this {@link JsonValue}
* object for equality. Returns {@code true} if and only if the
* specified object is also a JsonValue, and their
* {@link #getValueType()} objects are <i>equal</i>.
*
* @param obj the object to be compared for equality with this JsonValue
* @return {@code true} if the specified object is equal to this
* JsonValue
*/
@
Override
public boolean
equals(
Object obj) {
if (this ==
obj) {
return true;
}
if (
obj instanceof
JsonValue) {
return
getValueType().
equals(((
JsonValue)
obj).
getValueType());
}
return false;
}
/**
* Returns the hash code value for this {@link JsonValue} object.
* The hash code of the {@link JsonValue} object is defined to be
* its {@link #getValueType()} object's hash code.
*
* @return the hash code value for this {@link JsonValue} object
*/
@
Override
public int
hashCode() {
return
valueType.
hashCode();
}
@
Override
public
String toString() {
return
valueType.
name().
toLowerCase();
}
}